A support bracket for a hanger assembly that supports one or more non-structural components in a building comprises a web having opposite upper and lower edge margins and opposite left and right edge margins. The web defines at least one non-structural component opening configured to receive and support one of the non-structural components. The at least one non-structural component opening having a closed shape. A first flange extends from the upper edge margin of the web in a first direction and is configured to be attached to at least one support rod. A second flange extends from the lower edge margin of the web in a second direction opposite the first direction. The left and right edge margins of the web define partial openings. Each of the partial openings having an open shape that is a segment of the closed shape of the at least one non-structural component opening.
F16L 3/10 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing
F16L 3/223 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals each support having one transverse base for supporting the pipes
2.
THERMAL FAILURE PREDICTION MODULE AND METHOD FOR SOLID STATE CIRCUIT PROTECTION DEVICE
A system and method are provided for protecting semiconductor components from thermal failure in an electronic circuit interrupter. The electronic trip unit (ETU) is configured to determine what range of current the detected current signal corresponds to, out of several ranges categorized as being either non-fault/normal, non-severe fault, and severe fault. The ETU then selects a mode of operation in which to operate based on the determined range of current. In modes of operation corresponding to a fault condition, the ETU monitors certain characteristics of the current such as magnitude and/or rate of rise, and if the aforementioned current characteristics exceed a specified threshold for a minimum interval of time, the ETU will trip the electronic interrupter. If, however, the aforementioned current characteristics fall below the specified threshold prior to the minimum interval of time elapsing, the ETU will not trip the electronic interrupter.
H02H 5/04 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
A self-triggering, bidirectional control electronics component for an electronic switch (50), for the detection and rapid shutdown of currents at a selected threshold value for both current flow directions, includes a threshold switch having a plurality of selectable shutdown threshold values for both current flow directions, the threshold switch coupled to a bidirectional current sensor system (65), arranged in the electronic switch, based on sensing of sensors on an input side of the threshold switch; and a high-speed de-energizing circuit (53) on an output side of the threshold switch including a high non-load circuit voltage for rapid removal of current from a magnetic drive coil (45), the high-speed de-energizing circuit being configured to rapidly remove the current from the magnetic drive coil when the bidirectional current sensor system senses a current greater than or equal to the selected threshold value among the plurality of selectable shutdown threshold values.
H02M 3/155 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
A motor system includes a stator and a rotor situated to rotate relative to the stator. A plurality of phase windings are situated in the stator with a power circuit connected to the phase windings. A controller is configured to output control signals to the power circuit to selectively energize the phase windings to cause the rotor to rotate relative to the stator. A neutral switch circuit is connected between the phase windings and a neutral node and is configured to selectively disconnect the phase windings from the neutral node.
H02P 25/18 - Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
Systems and methods are provided for monitoring the effects of conductive dust deposits that compromise the ability of a trip unit to accurately detect AC current in a circuit interrupter. When a Rogowski coil is used as a current sensor in the circuit interrupter and the trip unit processes the output of the Rogowski coil using a printed circuit board assembly (PCBA) processing circuit, the DC component of the processing circuit output signal can be analyzed to determine whether any conductive dust has formed unintended electrical pathways on the PCBA and compromised the ability of the PCBA to accurately measure AC current in the circuit interrupter. It can be determined that such unintended electrical pathways have formed when the DC component of the processing circuit output either exceeds a predetermined threshold or has increased by a significant amount after opening of the separable contacts.
G01R 19/165 - Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
Described herein is a slider device for use in a switching mechanism having a plurality of fixed contacts, an apparatus and switch comprising the slider device, and a method of operating the switch. The slider device comprises a body portion extending along a first axis between a first end and a second end. The slider device also comprises a first fixed arm extending away from the body portion in a first direction. The slider device also comprises a second fixed arm extending away from the body portion in a second direction. The first direction is different to the second direction. The first direction and the second direction each extend at an angle to the first axis. The first arm is configured to carry a first conductor and the second arm is configured to carry a second conductor.
Systems and methods are provided for monitoring the effects of conductive dust deposits that compromise the ability of a trip unit to accurately detect AC current in a circuit interrupter. When a Rogowski coil is used as a current sensor in the circuit interrupter and the trip unit processes the output of the Rogowski coil using a printed circuit board assembly (PCBA) processing circuit, the DC component of the processing circuit output signal can be analyzed to determine whether any conductive dust has formed unintended electrical pathways on the PCBA and compromised the ability of the PCBA to accurately measure AC current in the circuit interrupter. It can be determined that such unintended electrical pathways have formed when the DC component of the processing circuit output either exceeds a predetermined threshold or has increased by a significant amount after opening of the separable contacts.
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
G01R 31/327 - Testing of circuit interrupters, switches or circuit-breakers
8.
INTEGRATED BOTTOM SUNKEN SURFACE MOUNT AND/OR SWING INDUCTOR AND FABRICATION METHODS
Surface mount inductor components include pre-formed coils with integrated bottom sunken features and simply shaped core pieces configured to create magnetic gaps in an assembled core structure around the coils when desired. The magnetic gaps interrupt flux paths in the operating components and provide swing-inductor functionality. The magnetic gaps may be reliably and economically provided in the form of interior or exterior grooves or depressed surfaces that may be easily formed in the core pieces while also facilitating ease of assembly of the inductor components.
An uninterruptible power supply (UPS) is operated to selectively provide energy to a critical load from a grid and an energy storage device and to transfer energy between the energy storage device and the grid. A controller causes the UPS to selectively support bidirectional and unidirectional transfers of energy between the grid and the energy storage device based on a state of charge (SOC) of the energy storage device.
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
H02J 3/46 - Controlling the sharing of output between the generators, converters, or transformers
10.
SYSTEMS AND METHODS FOR MONITORING AND ESTIMATING SERVICE LIFE OF ELECTRICAL FUSES
A fuse monitoring assembly for monitoring one or more fuses within a fuse housing includes an upper housing and a lower housing coupled to the upper housing and defining a housing cavity; at least one sensor configured to measure fuse data associated with the one or more fuses, the fuse data including operational data of the fuse and environmental data in which the one or more fuses are located; and at least one processor communicatively coupled to the at least one sensor to transmit the fuse data to a remote computing device. The remote computing device is configured to receive the fuse data; determine an estimated remaining fuse service life by analyzing the fuse data using a combination of a physics model and a machine-learning model; and generate a fuse message based on the analysis. The sensor and the processor are positioned within the housing cavity.
H02H 3/04 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection - Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
A motor system includes a motor, first and second power rails connected to a DC voltage input terminal, and a DC bus capacitor connected between the first and second power rails. An inverter circuit has a first inverter leg, a second inverter leg and a third inverter leg, each of which includes first and second power switches connected in series between the first and second power rails. The inverter circuit is configured to selectively output energization signals to phase windings of the motor. A DC link discharge circuit is configured to monitor a voltage level of the DC bus capacitor, and a bus switching circuit is configured to selectively output one of a first DC voltage level or a second DC voltage level to the DC voltage input terminal in response to an output of the DC link discharge circuit.
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
A battery safety valve comprises a housing having a housing wall extending upwards from a bottom of the housing, a valve assembly contained within the housing and configured to control fluid communication from the battery casing through the battery safety valve, a seal positioned between the bottom of the housing and the battery casing, and a top cap configured to cover the housing. The top cap comprises an outer cap wall extending downwards from a top of the top cap, and an inner cap wall extending downwards from the top of the top cap and located radially inwards relative to the outer cap wall. The housing wall of the housing is positioned between the inner cap wall and the outer cap wall of the top cap. An axial length of the outer cap wall covers the seal so as to shield the seal from external environment.
A contactor arrangement (1) is specified herein, comprising: a contactor (2) with a contact bridge (3) for switching an electrical connection between a first terminal (41) and a second terminal (42) during operation, a first temperature sensor (51) in direct contact with the first terminal (41) or with a bus bar (6) that is electrically connected to the first terminal (41), a second temperature sensor (52) configured for measuring an ambient temperature (Tamb) outside of the contactor (2) during operation, and a control unit (7) configured for computing an internal temperature (Ti) of the contact bridge (3) inside the contactor (2), wherein -the internal temperature (Ti) depends on temperature readings of the first temperature sensor (51) and the second temperature sensor (52), and the control unit (7) is configured to provide a warning signal (71) if the internal temperature (Ti) exceeds a threshold value. Further, a method for operating a contactor arrangement is specified herein.
H02H 6/00 - Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images
H02H 7/22 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from norm for switching devices
H01H 11/00 - Apparatus or processes specially adapted for the manufacture of electric switches
H02H 5/04 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
A motor system includes a stator and a rotor situated to rotate relative to the stator. A plurality of phase windings are situated in the stator with a power circuit connected to the phase windings. A controller is configured to output control signals to the power circuit to selectively energize the phase windings to cause the rotor to rotate relative to the stator. A neutral switch circuit is connected between the phase windings and a neutral node and is configured to selectively disconnect the phase windings from the neutral node.
H02P 25/22 - Multiple windings; Windings for more than three phases
H02P 25/18 - Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
Systems and methods for fault toleration actuation include an actuator with a position. A first sensor measures a first parameter associated with the actuator. A second sensor measures a second parameter associated with the actuator. A sensor fusion module receives data from each of the first and second sensor and executes a sensor fusion process on the data received to estimate the position of the actuator. A fault detection module is configured to receive data from the first and second sensor, to receive sensor fusion data from the sensor fusion module, to compare the data received from the first and second sensor with the sensor fusion estimate, to identify an error in the data received from either of the first or second sensor based on the comparison, and to determine a fault exists in the first or second sensor based on the error.
A motor system includes a motor, first and second power rails connected to a DC voltage input terminal, and a DC bus capacitor connected between the first and second power rails. An inverter circuit has a first inverter leg, a second inverter leg and a third inverter leg, each of which includes first and second power switches connected in series between the first and second power rails. The inverter circuit is configured to selectively output energization signals to phase windings of the motor. A DC link discharge circuit is configured to monitor a voltage level of the DC bus capacitor, and a bus switching circuit is configured to selectively output one of a first DC voltage level or a second DC voltage level to the DC voltage input terminal in response to an output of the DC link discharge circuit.
There is provided a partial discharge data signal to noise ratio filtering method for real partial discharge detection. The method comprises acquiring voltage data from an electrical device; acquiring partial discharge data from the acquired voltage data of the electrical device; applying digital filtering with a digital filter to the acquired partial discharge data to generate filtered partial discharge data; optimising the digital filter settings to determine an estimated state of the filtered partial discharge within the electrical device; and comparing the filtered partial discharge data against an alarm threshold. When the filtered partial discharge data exceeds the alarm threshold the method further comprises triggering phase-resolved data acquisition of the filtered partial discharge data; analysing the magnitude and intensity values of the filtered partial discharge data; analysing fit of phase distribution of the filtered partial discharge data; comparing filtered partial discharge phase-resolved data with a database of real partial discharge data and real noise data; and determining from the comparison real partial discharge data. There is provided a partial discharge alarm threshold optimisation method. The method comprises acquiring partial discharge data; initialising alarm threshold; monitoring partial discharge stability trends in acquired partial discharge data; determining a change in acquired partial discharge data trend, wherein the change in partial discharge data is at least one of: noise; a reduction in partial discharge intensity; or an increase in partial discharge intensity. The method further comprises analysing the change in partial discharge intensity; determining if the change in partial discharge intensity exceeds a threshold and generating an alert if threshold is exceeded, or determining if the change in partial discharge intensity is less than a threshold and deploying an algorithm to estimate an optimal alarm threshold.
A locking differential assembly includes a differential case defining an axis of rotation. A lock collar is selectably engageable with a first side gear to selectably prevent the first side gear and a second side gear from rotating relative to the differential case. A coil disposed at an end of the differential case. An armature selectably magnetically actuatable by the coil. An armature position indicator arm rigidly attached to the armature for simultaneous movement with the armature. At least two relay pin assemblies are each connected to the lock collar and connected to the armature to space the lock collar a predetermined distance from the armature for translation parallel to the axis of rotation. A sensor connected to the differential case to detect a proximity of the armature position indicator arm to the sensor and to output an electrically detectable signal indicative of an engagement status of the lock collar.
A system including a vehicle having a motive electrical power path; a power distribution unit having a current protection circuit disposed in the motive electrical power path, the current protection circuit including: a first leg of the current protection circuit comprising a first pyro-fuse; a second leg of the current protection circuit comprising a thermal fuse in series arrangement with a second pyro-fuse; and where the first leg and the second leg are coupled in a parallel arrangement; a controller, including: a current detection circuit structured to determine a current flow through the motive electrical power path; and a pyro-fuse activation circuit structured to provide a pyro-fuse activation command in response to the current flow exceeding a threshold current flow value; and where at least one of the first pyro-fuse and the second pyro-fuse is responsive to the pyro-fuse activation command.
B60L 58/21 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
B60L 3/04 - Cutting-off the power supply under fault conditions
B60L 50/64 - Constructional details of batteries specially adapted for electric vehicles
B60L 58/25 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by controlling the electric load
H01H 85/02 - Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive - Details
H01M 50/249 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
H02H 3/087 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current for dc applications
H02H 9/00 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
20.
METHOD, DEVICE, COMPUTER PROGRAM AND COMPUTER READABLE STORAGE MEDIUM FOR DETERMINING A COMMAND
A method for determining a command is provided, comprising: providing a set of pseudo words, wherein each pseudo word of the set of pseudo words is representative for more than one real word of a set of real words, which is provided for a pronunciation model; mapping an acoustic signal to phonemes by an acoustic model; determining at least one output word dependent on the phonemes and the pronunciation model; and determine the command dependent on the at least one output word, the set of pseudo words and a set of command words, wherein dependent on the command a device performs an action. In addition, a device, a computer program and a computer readable storage medium are provided.
The disclosure relates to monitoring an electrical power system comprising power distribution units (PDUs) and electrical equipment units to be provided with electrical power. The disclosure comprises receiving PDU data comprising time series data indicative of power usage of each of the PDU outlets during a first time period; receiving activity data comprising time series data indicative of one or more activity metrics for each of the electrical equipment units during the first time period; detecting an event indicative of a change of an electrical wiring connection configuration between the outlets of the PDUs and the electrical equipment units during the first time period. The event is detected by: determining a first set of associations between the PDU outlets and the electrical equipment units, indicative of the electrical wiring connection configuration during the first time period, based on the received PDU data and activity data; and comparing the first set of associations to a reference set of associations to identify an altered association indicative of an altered electrical wiring connection between a respective pair of the PDU outlets and electrical equipment units during the first time period. The disclosure further comprises, upon detecting the event, estimating an alteration point of the electrical wiring connection configuration based, at least in part, on: a determined confidence score relating to the altered association; and one or more end points of the first time period.
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
An apparatus includes a housing (e.g., a housing having a form factor of a molded case circuit breaker) and at least two phase terminals supported by the housing and configured to be connected to respective ones of at least two phase buses in an electrical panelboard. The apparatus further includes at least one fault generation device supported by the housing and including an arc containment chamber and first and second spaced-apart electrodes in the arc containment chamber and electrically coupled to respective ones of the at least two phase terminals.
H02H 9/06 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
A gimbal joint includes a monolithic first member including a first connection portion; and a monolithic second member including a second connection portion engaged with the first connection portion such that the monolithic first member and the monolithic second member are configured to move relative to each other about a plurality of axes. The first member may include a plurality of structural portions and a support base. The support base may include an axially-extending aperture that extends through the support base.
F16L 27/02 - Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
F16L 27/04 - Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly-spherical engaging surfaces
24.
BI-STABLE ASSEMBLY FOR A SWITCHABLE ELECTRICAL APPARATUS
A bi-stable assembly for a switch assembly includes: a cam configured to have two stable positions: a first stable position, and a second stable position; a flexible member that includes: a first holding portion; a second holding portion; and a middle portion between the first holding portion and the second holding portion; and an operating interface configured to rotate the cam relative to the flexible member. The first holding portion is configured to hold the cam in the first stable position; and the second holding portion is configured to hold the cam in the second stable position.
An electric motor can automatically generate an internal pressure around conductor windings of the stator. The electric motor can be used on an electric aircraft or other application having variable atmospheric pressure, The electric motor includes a fan configured to blow the gas into a flow path to generate increased internal pressure about the conductor windings. The fan may be mounted to the rotator of the electric motor, The flow path is restricted to increase the pressure difference of the air entering the electric motor.
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
H02K 3/40 - Windings characterised by the shape, form or construction of the insulation for high voltage, e.g. affording protection against corona discharges
H02K 9/26 - Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters
26.
METHOD OF DETERMINING THE REMAINING LIFE OF MAIN CONTACTS IN AN AUTOMATIC TRANSFER SWITCH USING THERMAL PROFILING
A method of monitoring main contact conditions of main contacts in an automatic transfer switch is provided. The automatic transfer switch is coupled to a plurality of electrical power sources and an electrical load. The method includes: measuring, by sensors, temperatures of a plurality of main contacts coupled to the plurality of power sources; determining if the measured temperatures indicate a temperature rise at one or more main contacts of the plurality of main contacts; in response to determining that the measured temperatures indicate a temperature rise at the one or more main contacts, comparing a current value of the temperature rise with stored temperature rise values that represent main contact damages; and determining an amount of main contact damage at the one or more main contacts based on the comparison.
G01R 31/327 - Testing of circuit interrupters, switches or circuit-breakers
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
A vent valve assembly for use with a fuel tank may comprise a housing having outer and inner wall structures that define a chamber therebetween, and a float located inside the chamber and configured to be translatable relative to the housing along an axis. The float has an orifice extending along the axis. The inner wall structure of the housing is disposed within the orifice of the float, facing an inner surface of the orifice. The vent valve assembly also comprises one or more guiding features located on the inner surface of the orifice, and one or more mating guiding features located on the inner wall structure of the housing and configured to mate with the guiding features. The guiding features and mating guiding features cooperate to guide translation of the float relative to the housing along the axis and restrict rotation of the float about the axis.
A differential assembly includes an outer differential carrier and a differential case disposed in the outer differential carrier. A ring gear is attached to the differential case using fasteners. An electronic actuation mechanism locks and unlocks the differential assembly. The electronic actuation mechanism includes a stator positioned in a stator housing and an armature. A wire harness is connected to the stator supplying electrical power to the stator. A wire guide is attached to the stator housing. The wire guide includes an attachment section attached to the stator housing and an anti-rotation section. The anti-rotation section contacts the outer differential carrier. The anti-rotation section includes a wire receiving portion positioning the wire harness in an area away from the ring gear and fasteners. A removable cover is attached to the differential assembly, the removable cover is positioned about the electronic actuation mechanism and wire harness.
F16H 48/34 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
F16H 57/037 - Gearboxes for accommodating differential gearing
29.
PREDICTING POWER GENERATION OF A RENEWABLE ENERGY INSTALLATION
The invention provides a computer-implemented method for determining predicted power generation of a renewable energy installation. The method includes receiving current power generation data indicative of a current power generation value for each of one or more neighbouring renewable energy installations, and determining, based on the received current power generation data, a current data map indicative of current power generation values across an area including the renewable energy installation and the one or more neighbouring renewable energy installations. The method includes retrieving a previous data map indicative of power generation values across the area at a previous time, and determining, based on the previous and current data maps, a future data map indicative of power generation values across the area at a future time, determining a predicted power generation value of the renewable energy installation at the future time based on the determined future data map.
G06Q 10/04 - Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
A bi-stable assembly for a switch assembly includes: a cam configured to have two stable positions: a first stable position, and a second stable position; a flexible member that includes: a first holding portion; a second holding portion; and a middle portion between the first holding portion and the second holding portion; and an operating interface configured to rotate the cam relative to the flexible member. The first holding portion is configured to hold the cam in the first stable position; and the second holding portion is configured to hold the cam in the second stable position.
A rocker arm assembly can include a latch assembly, a primary arm configured to receive the latch assembly, and a secondary arm configured to receive the latch assembly. The secondary arm includes a secondary arm body and a piston support ring. A pivot slot passes through the primary arm, the secondary arm body, and the piston support ring.
There is provided a data transmission and compression method arranged to compress and transmit data between an edge device and a remote server. The method comprises collecting data at the edge device, wherein the data is attributed to a plurality of signal signatures; generating a data matrix at the edge device; transforming the data matrix, wherein transforming the data comprises using a wavelet transform; compressing the data, wherein compressing the data comprises utilising an autoencoder; and transmitting the encoded compressed data to the remote server via a communication channel. The method further comprises, at the remote server, decompressing the data utilising an autoencoder; reconstructing the signal signatures using an inverse wavelet transform; and storing the reconstructed data signatures in a datastore on the remote server.
A latch assembly and valvetrain therewith can comprise a stationary housing comprising a plunger cavity, a plunger in the plunger cavity, and a controllable upper latch member. The plunger can comprise a control end, a plunger body, a spigot body and a spigot end. The controllable upper latch member can be configured to selectively act on the control end and can be configured to switch between locking the plunger from moving along a first axis and unlocking the plunger to slide in the plunger cavity along the first axis. A slidable transverse latch member or rotatable upper castellation body can act as the controllable upper latch member. While a valve bridge and rocker arm can be movable, the housing for the latch assembly can be stationary.
An electrical conductor assembly for use in a power distribution assembly includes an electrical conductor. A casing covers at least a portion of the electrical conductor. The casing insulates the at least a portion of the electrical conductor.
H01R 43/20 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
Aspects of the disclosure relate to a method of monitoring a device using a monitoring system. The monitoring system comprises a data acquisition system, an observer system and a device-coupled system. The data acquisition system is connected to the observer system and wirelessly connected to the device-coupled system. The observer system comprises one or more observation sensors for observing a space and generating observation signals comprising audio and/or image sensor data relating to the observed space for transmission to the data acquisition system. The device-coupled system comprises: one or more device-coupled sensors for measuring respective device parameters and generating sensor data for wireless transmission to the data acquisition system; and a signal generating unit for outputting an observable synchronisation signal. The method comprises: receiving a first observation signal from the observer system when the synchronisation signal is not observable by the one or more observation sensors; determining a baseline signal for the observed space based on the first observation signal; receiving a second observation signal from the observer system when the synchronisation signal is observable by the one or more observation sensors; comparing the second observation signal to the baseline signal to detect the synchronisation signal output from the monitored device in the observed space; and synchronising sensor data received from the device-coupled system and the observer system by matching timing data associated with the output and detection of the synchronisation signal.
A transitional USB receptacle has one USB PD port and one USB-C port (non-PD). The receptacle includes flyback topology for AC/DC conversion, a bypass circuit, a buck converter, and a USB controller that determines the voltage demands of external devices connected to the USB-C and PD ports. The flyback topology uses a transformer with two sets of windings that produce different output voltages. The bypass switch is configured to ensure that only voltage signals under 10V are input to the buck converter, resulting in a different one of the transformer output voltages being input to the buck converter under different load demands. This enables the buck converter to more efficiently produce a 5V at the USB-C port when the USB PD port needs to simultaneously supply either 15V or 20V, and also enables the buck converter to more efficiently produce a 5V or 9V output at the USB PD port.
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
A valvetrain assembly comprising a first body and a second body, wherein the second body comprises a first wall and a second wall. The valvetrain assembly further comprises a first latch pin, wherein the first latch pin is configured to latch the second body to the first body and unlatch the second body from the first body. A portion of the first latch pin is located between the first wall and the second wall. The valvetrain assembly also comprises a movable shaft, wherein the movable shaft is configured to move the first latch pin. The valvetrain assembly comprises an electromagnet, wherein the electromagnet is configured to move the movable shaft.
A circuit interrupter including a current sensor having a normal sensor output and an over current detection output, a solid state switch module structured to have a closed state to allow current to flow through the circuit interrupter and an open state to interrupt current flowing through the circuit interrupter, a gate driver structured to control the solid state switch module including a desaturation function output, wherein the gate driver is structured to cause the solid state switch module to interrupt current flowing through the circuit interrupter when the DESAT function output changes to the on state, and an electronic trip circuit structured to output a trip signal to the gate driver when the normal sensor output reaches a first threshold level or the overcurrent detection output changes to the on state.
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 31/327 - Testing of circuit interrupters, switches or circuit-breakers
H02H 3/04 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection - Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
A valve assembly for a fuel tank includes a cage having a seat that defines an aperture and a spring latch that holds a poppet in an intermediate-open position, which spaces the poppet from a seat to allow fluid communication through an aperture. A method of operating a valve assembly due to a first-time fueling event is disclosed.
A lever actuated locking mechanism for attaching an optical element to a printed circuit board assembly. The locking mechanism includes a first arm extending from a side edge of an opening formed in the optical element. A locking tab protrudes from one side of a distal end of the first arm. A first actuating lever arm extends from a mid-portion of the first arm. An actuating lever connects to a distal end of the first actuating lever arm, wherein applying pressure to the actuating lever causes the locking tab to pivot about a point where the first arm is attached to the side edge of the opening.
F21V 17/16 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts of the lighting device; Snap action mounting
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
F21Y 105/10 - Planar light sources comprising a two-dimensional array of point-like light-generating elements
A fuse monitoring device for monitoring a fuse is disclosed. The fuse monitoring device includes at least one sensor, at least one processor and a housing. The sensor is configured to be operably connected to the fuse and configured to measure fuse data associated with the fuse. The sensor includes a current sensor that includes a frame and a core. The at least one processor is communicatively coupled to the at least one sensor and is configured to transmit the fuse data. The housing includes a mounting block that includes an inner opening. The frame of the current sensor is configured within the inner opening of the mounting block.
H01H 85/02 - Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive - Details
43.
ACTUATION SYSTEM WITH A TEMPERATURE-CONTROLLED ACTUATION MATERIAL
A switching system (100) includes: a switch (120) including an ON state and an OFF state; and an actuator (150). The actuator includes: an actuation system (160) including an actuation material (162) that has a temperature-controllable spatial extent; a control system (140) configured to adjust the temperature of the actuation material to control the spatial extent of the actuation material; and a driving assembly (170) coupled to the actuation system. The driving assembly moves in response to a change in the spatial extent of the actuation material to thereby change the state of the switch.
A switching system includes: a switch including an ON state and an OFF state; and an actuator. The actuator includes: an actuation system including an actuation material that has a temperature-controllable spatial extent; a control system configured to adjust the temperature of the actuation material to control the spatial extent of the actuation material; and a driving assembly coupled to the actuation system. The driving assembly moves in response to a change in the spatial extent of the actuation material to thereby change the state of the switch.
H01H 83/20 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
A shifting stopper latch assembly for a rocker arm can comprise a latch assembly housing, comprising a latch assembly oil feed, a piston bore, a stopper bore comprising a stopper opening, and a spring seat. A piston can be in the piston bore. A shifting stopper can be in the stopper bore and the shifting stopper can comprise a projection protruding out of the stopper opening. A return spring can be configured in the spring seat to bias the shifting stopper and the plunger away from the spring seat and towards the latch assembly oil feed. A valvetrain can comprise a rocker arm configured to actuate against a cam on a cam rail, and the rocker arm can comprise a latch surface configured to selectively engage and disengage the projection.
F01L 13/06 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
A lever actuated locking mechanism for attaching an optical element to a printed circuit board assembly. The locking mechanism includes a first arm extending from a side edge of an opening formed in the optical element. A locking tab protrudes from one side of a distal end of the first arm. A first actuating lever arm extends from a mid-portion of the first arm. An actuating lever connects to a distal end of the first actuating lever arm, wherein applying pressure to the actuating lever causes the locking tab to pivot about a point where the first arm is attached to the side edge of the opening.
A system or appliance for universal mounting of an audio/visual alert system, with a surface interface, having a mounting body mountable on either of a vertical surface or a horizontal surface and one or more electrical terminals. Further having a notification module with a lens configured to throw light 180 degrees vertically and 180 degrees horizontally at greater than 15 cd and a speaker. Further having an appliance cover with a cover body, a letterplate having a first side with a text in a first orientation and a second side with the text in a second orientation, wherein the letterplate is fully separable from the rest of the system; and a grill having a flat outer face.
A Branch busbar device for high voltage arrangements, whereby the branch busbar device comprises a first electric line with a first electric contact area and a second electric line with a second electric contact area, whereby the first electric contact area is connected to the second electric contact area, whereby a first field limiting part is arranged at a first place adjacent to the contact areas, a second field limiting part is arranged at a second place adjacent to the contact areas, and the first field limiting part and the second field limiting part are electrically connected to the first electric line or to the second electric line or to a third electric line of the branch busbar device is provided.
A lockable differential assembly includes a lock plate that is rotatable about a rotational axis. The differential assembly also includes actuator assembly having a stator and an armature, the actuator assembly being switchable between energized and de-energized states. A slip ring assembly configured to axially translate based on the locked state or the unlocked state of the differential assembly is provided, including a slip ring that interfaces with the armature at a slip surface, and one or more pins rotationally coupling the slip ring to the lock plate. The slip ring assembly is configured to transmit an axial locking force and an axial return force between the actuator assembly and the lock plate.
A lockable differential assembly includes a lock plate that is rotatable about a rotational axis. The differential assembly also includes actuator assembly having a stator and an armature, the actuator assembly being switchable between energized and de-energized states. A radial alignment of the stator is provided based on a piloting feature provided at an outer diameter of the stator housing. A slip ring assembly configured to axially translate based on the locked state or the unlocked state of the differential assembly is provided, including a slip ring that interfaces with the armature at a slip surface, and one or more pins rotationally coupling the slip ring to the lock plate. The slip ring assembly is configured to transmit an axial locking force and an axial return force between the actuator assembly and the lock plate.
A cable gland for use in a hazardous environment that includes a hub body having an opening extending therethrough. A gland nut is configured to engage an end of the hub body to define an inner cavity. The gland nut has a first inner annular step and a second inner annular step. A seal, ring and spring are disposed in the inner cavity. The spring is disposed in the inner cavity between a surface of the ring and an opposite-facing frustoconical surface. When the gland nut is in a first position, the first inner annular step engages the first end of the seal. When the gland nut is in a second position, the second inner annular step engages the ring and the seal is deflected radially inward. When the gland nut is in a third position, the spring is deflected radially inward.
A cable gland for use in a hazardous environment that includes a hub body having an opening extending therethrough. A gland nut is configured to engage an end of the hub body to define an inner cavity. The gland nut has a first inner annular step and a second inner annular step. A seal, ring and spring are disposed in the inner cavity. The spring is disposed in the inner cavity between a surface of the ring and an opposite-facing frustoconical surface. When the gland nut is in a first position, the first inner annular step engages the first end of the seal. When the gland nut is in a second position, the second inner annular step engages the ring and the seal is deflected radially inward. When the gland nut is in a third position, the spring is deflected radially inward.
H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution box; Ensuring electrical continuity in the joint
A system or appliance for universal mounting of an audio/visual alert system, with a surface interface, having a mounting body mountable on either of a vertical surface or a horizontal surface and one or more electrical terminals. Further having a notification module with a lens configured to throw light 180 degrees vertically and 180 degrees horizontally at greater than 15cd and a speaker. Further having an appliance cover with a cover body, a letterplate having a first side with a text in a first orientation and a second side with the text in a second orientation, wherein the letterplate is fully separable from the rest of the system; and a grill having a flat outer face.
It is known for a product to be mass produced by way of a manufacturing process. Typically, a quality control step is used in a manufacturing process to monitor the quality of manufactured products. However, quality control procedures in manufacturing are typically labour intensive. A technician or other person must inspect the product and carry out any necessary tests. The present disclosure provides a surface roughness measurement system and method for determining a surface roughness of a product with an imaging system, a coherent light source, a light sensor and several trained machine learning algorithms.
A rectifier assembly includes: a mounting base; and one or more rectification modules configured to be received in the mounting base, each rectification module including: an electronic network including one or more electronic elements configured to convert alternating current (AC) electrical power at an input of the rectification module to direct current (DC) electrical power at an output of the rectification module. Each of the one or more rectification modules is configured to be electrically connected to a DC bus of a driving apparatus that is separate from and independent of the rectifier assembly.
H02M 7/00 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
H02M 7/06 - Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
A residual current circuit breaker device with an auto-test function is described herein. The device comprises a residual current circuit configured to be connected to a first current line between a power source and a load, the residual current circuit comprising a first switch which is configured to open and close the first current line. The device further comprises means for performing an auto-test of the residual current circuit. The means maybe a relay, a piezoelectric transform, or any other suitable means. The device further comprises a bypass circuit configured to electrically connect the power source and the load via a second current line during the auto-test. The bypass circuit comprises an electronic (solid state) switch which is configured to open and close the second current line.
H01H 83/04 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
An assembly for manufacturing the insulation layer of a Thomson coil includes a base plate, a coil housing, and a cover plate. The base plate securely seats the coil housing, and the coil housing securely seats a Thomson coil and the cover plate. The cover plate has several ribs that hold multiple turns of a Thomson coil in place while epoxy is applied to the coil, thus ensuring that the epoxy is evenly distributed on the coil surface and that the coil windings remain level. The cover plate and coil housing are structured to either receive a high-pressure epoxy injection or to be used in an epoxy potting process, during which all exposed areas of the Thomson coil are coated by liquid epoxy. After the epoxy has solidified, the Thomson coil is coupled to the coil housing, and the housed and insulated Thomson coil is removed from the assembly.
An assembly for manufacturing the insulation layer of a Thomson coil includes a base plate, a coil housing, and a cover plate. The base plate securely seats the coil housing, and the coil housing securely seats a Thomson coil and the cover plate. The cover plate has several ribs that hold multiple turns of a Thomson coil in place while epoxy is applied to the coil, thus ensuring that the epoxy is evenly distributed on the coil surface and that the coil windings remain level. The cover plate and coil housing are structured to either receive a high-pressure epoxy injection or to be used in an epoxy potting process, during which all exposed areas of the Thomson coil are coated by liquid epoxy. After the epoxy has solidified, the Thomson coil is coupled to the coil housing, and the housed and insulated Thomson coil is removed from the assembly.
Embodiments of an electric vehicle (EV) charging system for implementation in structures that house electric vehicles, such as warehouses or parking structures, are disclosed. The EV charging system can be overhead mounted from a building's ceiling, using cable tray for electrical power distribution and an integrated EV charger mounting system, thus eliminating the risk of EV cables and charging handles being dropped on floor areas. The disclosed ceiling mountable system is especially advantageous for electric vehicle fleet charging applications and multi-level parking lot applications, as the disclosed system enables simplification and lowest-total-installed-cost in comparison to traditional ground-mounted EV charging systems and related electrical infrastructure. Another advantage is the use of open cable tray for electrical power cable routing and support, which is easily expandable to accommodate additional EV chargers by adding modular cable tray or cable runs to load center/drop-out sections for EV chargers and cable management.
An L-type electrical outlet housing includes a body sized to house at least one L-type electrical outlet, the body including an outlet side and a mounting side. The outlet side of the body includes an insertion aperture for receiving an Omega bracket and an L-type electrical outlet within the body, a plurality of top and bottom screw, and a left and right Omega bracket aperture. The mounting side of the body includes a left housing screw aperture and a right housing screw aperture for mounting the body. A kit for securing the L-type electrical outlet housing includes a spring cover, a gasket, an electrical outlet plate, the Omega bracket, left and right Omega bracket screws, a first and second plurality of screws, left and right housing and mounting screws, and a mounting strap.
A cable gland for use in a hazardous environment that includes a hub body having an opening extending therethrough. A gland nut is configured to engage an end of the hub body to define an inner cavity. The gland nut has a first inner annular step and a second inner annular step. A seal, sleeve and spring are disposed in the inner cavity. The sleeve includes a frustoconical surface. The spring is disposed in the inner cavity between the frustoconical surface and an opposite-facing frustoconical surface. When the gland nut is in a first position, the first inner annular step engages the first end of the seal. When the gland nut is in a second position, the second inner annular step engages the end surface of the sleeve and the seal is deflected radially inward. When the gland nut is in a third position, the spring is deflected radially inward.
H02G 3/22 - Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
H02G 1/06 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
63.
BUS ARRANGEMENT AND METHOD FOR OPERATING A BUS ARRANGEMENT
A bus arrangement (10) comprises a coordinator (11); a plurality of subscribers (21-28), each comprising a button (41-48), a memory (61-68) and a display (81-88); and a bus (12) which couples the coordinator (11) to the plurality of subscribers (21-28). The coordinator (11) and the plurality of subscribers (21-28) are configured to be set in an addresses allocation mode. In the addresses allocation mode, the coordinator (11) is configured to indicate a first subscriber number (NN) and to broadcast a first broadcast message (B3) to the plurality of subscribers (21-28). In the addresses allocation mode after activation of a button (41) of a first subscriber (21) of the plurality of subscribers (21-28), the first subscriber (21) is configured to be activated and to send an acknowledged message to the coordinator (11). Furthermore, a method for operating a bus arrangement (10) is described.
A cable gland for use in a hazardous environment that includes a hub body having an opening extending therethrough. A gland nut is configured to engage an end of the hub body to define an inner cavity. The gland nut has a first inner annular step and a second inner annular step. A seal, sleeve and spring are disposed in the inner cavity. The sleeve includes a frustoconical surface. The spring is disposed in the inner cavity between the frustoconical surface and an opposite-facing frustoconical surface. When the gland nut is in a first position, the first inner annular step engages the first end of the seal. When the gland nut is in a second position, the second inner annular step engages the end surface of the sleeve and the seal is deflected radially inward. When the gland nut is in a third position, the spring is deflected radially inward.
H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution box; Ensuring electrical continuity in the joint
Embodiments of an electric vehicle (EV) charging system for implementation in structures that house electric vehicles, such as warehouses or parking structures, are disclosed. The EV charging system can be overhead mounted from a building's ceiling, using cable tray for electrical power distribution and an integrated EV charger mounting system, thus eliminating the risk of EV cables and charging handles being dropped on floor areas. The disclosed ceiling mountable system is especially advantageous for electric vehicle fleet charging applications and multi-level parking lot applications, as the disclosed system enables simplification and lowest- total-installed-cost in comparison to traditional ground-mounted EV charging systems and related electrical infrastructure. Another advantage is the use of open cable tray for electrical power cable routing and support, which is easily expandable to accommodate additional EV chargers by adding modular cable tray or cable runs to load center/drop-out sections for EV chargers and cable management.
B60L 53/30 - Constructional details of charging stations
B60L 53/00 - Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
B60L 53/50 - Charging stations characterised by energy-storage or power-generation means
A light engine for a floodlight includes a first subassembly for light emitting diodes (LEDs) and a second subassembly providing a housing for a driver. The first subassembly includes upper and lower mounting hinge arms at one side and the second subassembly includes upper and lower left hinge pins respectively extending from upper and lower left arms and upper and lower right hinge pins respectively extending from upper and lower right arms. The first subassembly can be mounted by the upper and lower mounting hinge arms on either side of the second subassembly, creating a reversible opening for access to the driver. The upper and lower mounting hinge arms can have a shape with respect to the hinge pins to provide a safety stopper. The lower mounting hinge arm can include a recess that catches against a lower arm to prevent automatically closing once in an open position.
F21V 15/01 - Housings, e.g. material or assembling of housing parts
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
F21V 17/10 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
A channel nut holder includes a polymer body having a central axis, top surface, plurality of side surfaces, and a bottom surface. A channel nut opening is positioned between the side surfaces. The channel nut opening is configured to receive a channel nut. The channel nut holder further includes a spring back mechanism having a plurality of gripping flaps disposed on the top surface at an acute angle alpha (α) with respect to the central axis.
A light engine for a floodlight includes a first subassembly for light emitting diodes (LEDs) and a second subassembly providing a housing for a driver. The first subassembly includes upper and lower mounting hinge arms at one side and the second subassembly includes upper and lower left hinge pins respectively extending from upper and lower left arms and upper and lower right hinge pins respectively extending from upper and lower right arms. The first subassembly can be mounted by the upper and lower mounting hinge arms on either side of the second subassembly, creating a reversible opening for access to the driver. The upper and lower mounting hinge arms can have a shape with respect to the hinge pins to provide a safety stopper. The lower mounting hinge arm can include a recess that catches against a lower arm to prevent automatically closing once in an open position.
A cable tray assembly includes first and second cable tray sections each including a base and rails extending transversely from longitudinal sides of the base. At least one of the base and the rails defines a plurality of holes. A splice plate is configured to engage the first and second cable tray sections for attaching the first cable tray section to the second cable tray section. The splice plate defines a plurality of holes. At least one snap-fit connector includes a head and a plurality of resiliently deflectable arms extending from the head. The arms of the connector are configured to extend through aligned holes in the splice plate and one of the cable tray sections to secure the splice plate to said one of the cable tray sections.
H02G 3/04 - Protective tubing or conduits, e.g. cable ladders or cable troughs
H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution box; Ensuring electrical continuity in the joint
A multiport protection apparatus (10) comprises a first DC link grid line (11), a plurality of protection switch units, each protection switch unit having a control input (60 to 63), a plurality of ports (20 to 29) and a controller (13) which is coupled on its output side to the control inputs (60 to 63) of the plurality of protection switch units. Each protection switch unit of the plurality of protection switch units couples a port of the plurality of ports (20 to 29) to the first DC link grid line (11).
H02H 7/22 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from norm for switching devices
H02H 7/26 - Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occurred
H02H 3/087 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current for dc applications
A channel nut holder includes a polymer body having a central axis, top surface, plurality of side surfaces, and a bottom surface. A channel nut opening is positioned between the side surfaces. The channel nut opening is configured to receive a channel nut. The channel nut holder further includes a spring back mechanism having a plurality of gripping flaps disposed on the top surface at an acute angle alpha (a) with respect to the central axis.
An apparatus includes a core and a helical frame coaxial with a segment of the core and having first and second major surfaces on opposite sides of the helical frame and each normal to a surface of the segment. At least one helical coil conforms to at least one of the first and second major surfaces. In some embodiments, the at least one helical coil may include first and second helical coils conforming to respective ones of the first and second major surfaces.
H01F 27/30 - Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
A switchable bidirectional power converter can comprise an interleaved bridge configuration. A multi-phase grid connection to a half-bridge multi-phase switching bank can comprise a first switching half-bridge leg. A single-phase grid connection to a full-bridge single-phase switching bank can comprise the half-bridge multiphase switching bank interleaved with the full-bridge single-phase switching bank. The full-bridge single-phase switching bank can comprise the first switching halfbridge leg and a second switching half-bridge leg. A capacitor switch can be configured to switch at least two power factor correction capacitors between a parallel connection and a serial connection. The parallel connection can be to the single-phase switching bank, the first switching half-bridge leg, and the second switching half-bridge leg. The serial connection can be to the multi-phase switching bank and the first switching half-bridge leg. Such can be used in a bidirectional onboard charger. Ultra-wide range voltages can be handled bidirectionally.
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
74.
ADDITIVE MANUFACTURED HYDRAULIC SWIVEL BOLT; AND METHOD
The present disclosure relates generally to an additive manufactured hydraulic swivel bolt used in tilt rotor functionality. The additively manufactured swivel bolt provides a unique geometry that reduces overall mass weight of over 40% compared to conventional manufactured swivel bolts while improving flow performance and reducing fluid leak paths.
F16L 39/06 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies of the multiline swivel type, e.g. comprising a plurality of axially mounted modules
F16L 27/093 - Joints with radial fluid passages of the "banjo" type, i.e. pivoting right-angle couplings
A swing bridge for a rocker arm assembly is provided. The swing bridge is configured to be selectively actuated by a first rocker arm or a second rocker arm and span a first valve and a second valve. The swing bridge comprises a bridge body including a through opening and a bore intersecting the through opening, and a swing mechanism configured to connect between the first rocker arm and the first valve. The swing mechanism comprises a swing pin configured to swing in the through opening and a rotary cylinder configured to support the swing pin and rotate in the bore. In particular, the swing bridge may swing angularly upon actuation by the first rocker arm so as to actuate the first valve without actuating the second valve and may actuate both the first valve and the second valve upon actuation by the second rocker arm.
A rocker arm assembly comprises a first rocker arm having a first valve end, a second rocker arm having a second valve end, a first valve, a second valve, a hydraulic capsule disposed in the first valve end and movable between an extended and retracted position, and a swing bridge selectively actuatable by the first or second rocker arm and span the first and second valve. In engine brake mode, the hydraulic capsule moves to the extended position, causing the swing bridge to swing angularly as the first rocker arm rotates so as to actuate the first valve without actuating the second valve. In drive mode, the hydraulic capsule moves to the retracted position, and the swing bridge is actuated by the second valve end of the second rocker arm as the second rocker arm rotates so as to actuate both the first valve and the second valve.
F01L 13/06 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
A method includes interpreting a contactor open event and a contactor load value for a contactor positioned on a motive power circuit for a mobile application, determining that a contactor opening event under load has occurred in response to the contactor open event and the contactor load value, and updating a contactor wear condition in response to the contactor opening event under load, wherein updating the contactor wear condition comprises accumulating a number of the contactor opening events under load.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
78.
PEDESTAL FOR A NUMBER OF ELECTRICAL CHARGING BOXES
A pedestal has two sides that are opposite one another and to which various charging boxes can be mounted and electrically connected. For instance, the pedestal can have the same charging boxes mounted to the two sides and electrically connected with a power system upon which the pedestal is positioned. Instead, two different charging boxes can be mounted to the two sides. Importantly, either or both charging boxes can be easily removed by appropriate personnel and alternatively replaced with other charging boxes if, for instance, the market for needing specific electrical charging has changed or if the population of electrical vehicles needing electrical charging has grown in a new direction, by way of example.
A pedestal has two sides that are opposite one another and to which various charging boxes can be mounted and electrically connected. For instance, the pedestal can have the same charging boxes mounted to the two sides and electrically connected with a power system upon which the pedestal is positioned. Instead, two different charging boxes can be mounted to the two sides. Importantly, either or both charging boxes can be easily removed by appropriate personnel and alternatively replaced with other charging boxes if, for instance, the market for needing specific electrical charging has changed or if the population of electrical vehicles needing electrical charging has grown in a new direction, by way of example.
A high voltage cable damper including an electrical cable and one or more cable dampers arranged along a longitudinal axis of the electrical cable, each of the one or more cable dampers comprising an opening formed therein, the opening being configured to accommodate an outer surface of the electrical cable therethrough, and a material of each of the one or more cable dampers comprising a resin configured to absorb vibrations transmitted by the electrical cable. An electrical connector damper arrangement that includes an electrical connector and at least one damper arranged on an outer surface of the electrical connector, the at least one damper covering a substantial portion of the outer surface of the connector, a material of the at least one damper comprising a resin configured to absorb vibrations transmitted by the electrical connector.
H02G 7/14 - Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
H02G 15/007 - Devices for relieving mechanical stress
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
H02G 3/04 - Protective tubing or conduits, e.g. cable ladders or cable troughs
H02G 7/12 - Devices for maintaining distance between parallel conductors, e.g. spacer
H02G 3/22 - Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
H02G 15/18 - Cable junctions protected by sleeves, e.g. for communication cable
F16F 7/104 - Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
A computer-implemented method for power capacity planning for a computing system the following steps: a) evaluating an activity of the computing system, wherein the activity comprises the number of program instances executed by the computing system; b) predicting an evolution of the activity based on the evaluated activity by using a first machine learning algorithm configured for activity evolution prediction; c) predicting a power consumption of the computing system as a first power metric; d) predicting an autonomy of one or more uninterruptible power supplies of the computing system as a second power metric; e) predicting a redundancy level of the computing system as a third power metric; and, f) generating output data related to power capacity planning by processing the first, second and third power metrics.
Motor control centers have units or buckets with an extendable/retractable power connection (stab) assembly and one or more operating lever interlocks that include a unit latch to latch to a cabinet and a power connection position interlock that blocks the handle of the units or buckets based on position of the power connection assembly, optionally also including a shutter cam that slides a shutter right and left.
An acoustic sensing system for detecting movement of an ultra-fast actuator in a hybrid circuit interrupter is disclosed. The system comprises a number of acoustic sensors structured to perform active or passive position sensing. For active sensing, the sensors emit sound waves toward a number of targeted portions of the actuator moving assembly and detect the positions of the targets based on acoustic signals reflected back to the sensors by the targets. For passive sensing, the sensors detect acoustic wavelets generated as a result of the moving assembly components moving during opening and closing operations. Acoustic signals can propagate through air or solids and thus the sensors can be mounted in a variety of locations within the circuit interrupter. Acoustic sensors are particularly well-suited for the circuit interrupter environment, as they are resilient to the environmental and external factors, such as dust, that can affect the performance of non-acoustic sensors.
H01H 47/00 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
G01R 31/327 - Testing of circuit interrupters, switches or circuit-breakers
H01H 50/64 - Driving arrangements between movable part of magnetic circuit and contact
H01H 89/00 - Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
85.
SELF LEARNING FAULT DETECTION FOR ELECTRICAL MOTORS
A method and system for determining electrical motor fault comprising: measuring ambient vibration data of the electrical motor and performing spectral processing of the ambient vibration data; filtering noise data from the ambient vibration data, outputting a filtered ground truth vibration spectrum, clustering features of the filtered ground truth vibration spectrum, and determining temporal and spatial distance between the clustered features; measuring electrical data signals of the electrical motor, analysing the electrical data signals to extract features of the electrical data signals and storing the extracted features from the electrical data signal; assigning an operating state label to the ground truth vibration spectrum by comparing the clustered features of the ground truth operational vibration spectrum to a database of stored training data and ground truth algorithms; determining an accuracy of the operating state label; and determining electrical motor fault using a new measured electrical data signal and the stored ground truth algorithm to determine if the electrical motor is in a fault state.
G06F 18/23213 - Non-hierarchical techniques using statistics or function optimisation, e.g. modelling of probability density functions with fixed number of clusters, e.g. K-means clustering
G06F 18/2413 - Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches based on distances to training or reference patterns
86.
SOLID STATE CIRCUIT INTERRUPTER WITH SOLID STATE INTERLOCKING MECHANISM
A system includes a first circuit breaker comprising a first solid state switch, first mechanical contacts, and a current sensor structured to sense current flowing through the first circuit breaker, and a second circuit breaker electrically coupled to the first circuit breaker and being structured to interrupt current flowing to the first circuit breaker, wherein the first circuit breaker is structured to transmit, to the second circuit breaker, a request upon detecting a failure mode, and wherein the second circuit breaker is structured to interrupt current flowing to the first circuit breaker in response to receiving the request, and the first circuit breaker is further structured to open the first mechanical contacts when the current flowing through the first circuit breaker drops to a predetermined level.
H02H 3/05 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection - Details with means for increasing reliability, e.g. redundancy arrangements
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
An actuation knob for use in opening and closing a switch, and a device and system comprising the same. The actuation knob (100) is configured to move with respect to a first axis (250) and comprises: an engagement portion (102) configured for engagement by a user, the engagement portion having a slot (108); and a slidable portion (104) disposed within the slot and configured to slide relative to the engagement portion. The slidable portion (104) is configured to slide between a first position (270) and a second position (280) along a second axis (260), wherein the first and second axes are non-parallel. The slidable portion (104) comprises at least two compliant mechanisms (110) biased in a direction away from the second axis and offset from one another in a direction perpendicular to the second axis along a plane of the slidable portion. In the first position (270), the compliant mechanisms are configured to engage with one or more first recesses (114a) of the slot to retain the slidable portion in the first position, and in the second position the compliant mechanisms are configured to engage with one or more second recesses (114b) of the slot to retain the slidable portion in the second position.
This specification relates to an operating mechanism (10) for an electrical device, particularly a circuit breaker. A generally transparent operating handle (12) and at least two light sources (18, 20) for generating light (22, 24) with different colors are provided. The operating handle (12) has a light entry section (14) with at least one light blocking mask (16). The at least two light sources (18, 20) are arranged such that their emitted light (22, 24) can be coupled into the operating handle (12) through the light entry section (14). The light entry section (14) with the mask (16) is movable with the operating handle (12) in relation to the at least two light sources (18, 20) so that in different positions A, B, C of the operating handle (12) the at least one mask (16) blocks light (22, 24) from at least one light source (18, 20) from entering the light entry section (14).
H01H 9/16 - Indicators for switching condition, e.g. "on" or "off"
H01H 23/02 - Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button - Details
H01H 71/04 - Means for indicating condition of the switching device
An energy-limiting assembly includes: a current interrupter that includes: a current interrupting assembly; a sidewall that extends from a first end to a second end; a first end cap mounted to the first end; and a second end cap mounted to the second end. The sidewall, the first end cap, and the second end cap define an interior region. The energy-limiting arrester also includes a disconnect in the interior region, the disconnect including: a movable electrically conductive element that, when in a first position, is electrically connected to the current interrupting assembly and forms part of a current path through the energy-limiting assembly.
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
90.
SPRING-ACTUATED ELECTRICAL CONNECTOR FOR HIGH-POWER APPLICATIONS
A spring-actuated electrical connector assembly for electrically and mechanically connecting a device to a power source in high-power, high-voltage applications is disclosed. The connector assembly includes a first connector with an internal receiver, a plurality of side walls, and at least one contact beam. The contact beam integrally extends to an outer surface of the side wall and includes a free end that extends inward of the outer surface of the side wall. An internal spring member is dimensioned to reside within the receiver of the first connector. This assembly also includes a second electrically conductive connector with a receptacle dimensioned to receive both the first connector and the spring member to define a connected position during operation of the device. In the connected position, at least one spring arm of the spring member exerts an outwardly directed force on the contact beam of the first connector to outwardly displace the contact beam into engagement with the second connector.
H01R 13/18 - Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket
H01R 13/17 - Pins, blades or sockets having separate spring member for producing or increasing contact pressure the spring member being on the pin
91.
CONNECTOR SYSTEM FOR A COMPONENT IN A POWER MANAGEMENT SYSTEM IN A MOTOR VEHICLE
The present disclosure relates to a connector system that provides a sealed and grounded electrical connection for a component of a power management system, like those found in a battery-powered motor vehicle. The connector system includes a male connector assembly and an adaptor assembly. The adaptor assembly includes: (i) a capacitor assembly, (ii) a female terminal assembly, and (iii) a busbar assembly. An internal electrical connection state is defined when: (a) the female terminal assembly is electrically coupled to the capacitor assembly, (b) the capacitor assembly is electrically coupled to the busbar assembly, and (c) the busbar assembly is electrically coupled to an extent of the component of the power management system. In the internal electrical connection state, the electrical couplings are sealed from the external environment which increases the operating life, durability and reliability of the adaptor assembly, the connector system and the power management system component.
H01R 31/06 - Intermediate parts for linking two coupling parts, e.g. adapter
B60L 53/20 - Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
H01R 13/506 - Bases; Cases composed of different pieces assembled by snap action of the parts
H01R 13/52 - Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
92.
RESIDUAL CURRENT BREAKER WITH IMPROVED RESISTANCE AGAINST DC SATURATION
CCL1..L3NN) through a neutral line (L) and reduces a magnetic flux caused by a DC part of the total current. In addition, a network (21) is disclosed, which comprises a main residual current breaker (1) of the above kind, branched electric lines connected to the main residual current breaker (1) and a plurality of downstream residual current breakers (22a..22c), each being connected to one of the branched electric lines.
H02H 3/33 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
G01R 31/08 - Locating faults in cables, transmission lines, or networks
H02H 3/05 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection - Details with means for increasing reliability, e.g. redundancy arrangements
A combined axle disconnect and park lock system for a vehicle having a motive source and wheels. The system includes an output shaft and an intermediate gear permanently fixed for rotation with the output shaft. An output gear is mounted for selective relative rotation on the first output shaft. The system further includes a sleeve and a shift assembly configured to move the sleeve relative to the output shaft to place the system in a plurality of conditions. When the system is in a first condition of the plurality of conditions, the sleeve is moved such that the output gear can rotate relative to the first output shaft, and the drive wheels are free to rotate and are not coupled to the motive source. When the system is in a second condition of the plurality of conditions, the sleeve is moved such that the output gear cannot rotate relative to the first output shaft, and the drive wheels are free to rotate and are coupled to the motive source, when the system is in a third condition of the plurality of conditions, the sleeve is moved such that the drive wheels are not free to rotate.
The disclosed concept relates generally to overlay composite fuse elements, materials for their construction that include copper and silver metals, and methods of production and fabrication using metal stamping and ultrasonic welding processes. In certain embodiments, a composite overlay fuse element includes a composite metal material 37 constructed of silver and copper metals, which includes a plurality of strain absorbing bend features 39 constructed of copper metal, and a plurality of arc interrupting weak spot features 43 constructed of a silver metal portion and a copper metal portion. The silver and copper metal portions on each of the plurality of arc interrupting weak spot features 43 are connected by a weld joint surface 45 that is structured to form an overlay of the silver and copper metal portions.
H01H 85/00 - Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
96.
STAMPED PUMP ACTUATOR AND METHOD OF ASSEMBLING SAME
A pump actuator for use between a cam and a pump includes an outer body, an inner body, an axle and a bearing. The outer body has an outer body inner surface. The inner body is received by the outer body. The inner body has an inner body outer surface. The axle is supported by the inner body. The bearing is supported on the axle. The inner body includes at least one stamped feature protruding outwardly from the inner body outer surface. The at least one stamped feature is configured to form an interference fit with the outer body inner surface.
A method of operating an exhaust gas recirculation (EGR) pump for an internal combustion engine including: providing an EGR pump assembly including an electric motor coupled to a roots device having rotors, the EGR pump assembly operably connected to the internal combustion engine; providing a system controller; providing an EGR control unit linked to the EGR pump assembly; sending a speed command from the system controller to the EGR control unit; determining if a motor temperature and a module temperature are within a predetermined target; outputting a desired speed signal; determining if a motor speed is within a predetermined target; determining if a motor voltage is within a predetermined target; and outputting a current to the electric motor controlling the speed of the electric motor and regulating an EGR mass flow rate.
F02M 26/49 - Detecting, diagnosing or indicating an abnormal function of the EGR system
F02M 26/34 - Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with compressors, turbines or the like in the recirculation passage
One or more boost pumps for a liquid hydrogen fuel system are disposed within the fuel tank and fully flooded. An electrical connector of each boost pump is sealed from the fuel tank and accessible from an exterior of the fuel tank while the boost pump is installed. Each boost pump can be independently replaced using a toolbox. Each boost pump is purged of fuel before being replaced by introducing a gas at a center region of the boost pump. The toolbox and new boost pump are purged prior to removal of the old boost pump. Each boost pump can be formed from modular components.
An electrical connector system for electrically and mechanically connecting with a component in a motor vehicle is disclosed. The connector system includes a motor vehicle component and a male connector assembly with a male housing that receives a male terminal. This terminal includes a receiver and side walls with a contact arm that extends across an aperture in the side wall. An internal spring member with at least one spring arm resides within the male terminal receiver. A female connector assembly includes a female terminal with a receptacle that receives both the male terminal and the spring member. A female housing receives the female terminal and an extent of the male connector assembly. When the connector system moves from the partially assembled state to a connected position for connection of the vehicle component, the male connector assembly is inserted into female housing, the contact arm is brought into sliding engagement with an angled internal segment of the female housing, and the contact arm is inwardly displaced as the contact arm slidingly engages with the angled internal segment.
A system includes: an electrical apparatus that includes: a housing that defines an interior space; an active portion in the interior space; and insulation configured to electrically insulate at least part of the active portion. The system also includes a monitoring apparatus configured to: receive measured data from the electrical apparatus; determine a load forecast for the electrical apparatus based on the measured data; determine whether a pre-determined time interval has elapsed; and after the pre-determined time interval has elapsed: estimate an actual amount of life lost for the insulation during the pre-determined time interval that elapsed based on the measured data; estimate a predicted amount of life lost for the insulation during one or more future time intervals based on the load forecast; and estimate a remaining service life for the electrical apparatus based on the actual amount of life lost and the predicted amount of life lost.
patents
