A control system for controlling an electric motor in a pump system. The control system includes a communications interface configured to be electrically coupled with a remote control system and receive a command therefrom. The control system further includes a processing unit coupled to the communication interface and configured to receive the command from the communications interface, process the command to determine which communication protocol among a plurality of communication protocols to employ, and control the communications interface to transmit a response to the command using at least a portion of the communication protocol.
An interface module configured to control a motor in an HVAC system is provided. The interface module includes a processor coupled in communication with a memory. The processor is configured to wirelessly receive configuration data from a wireless device, store the wirelessly received configuration data in the memory, determine a first operating parameter at which to operate the motor based on the configuration data and at least one signal received from a first device, and control the motor in accordance with the first operating parameter.
F24F 11/48 - Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring prior to normal operation, e.g. pre-heating or pre-cooling
F24F 11/65 - Electronic processing for selecting an operating mode
An interface module configured to control a motor in an HVAC system is provided. The interface module includes a processor coupled in communication with a memory. The processor is configured to wirelessly receive configuration data from a wireless device, store the wirelessly received configuration data in the memory, determine a first operating parameter at which to operate the motor based on the configuration data and at least one signal received from a first device, and control the motor in accordance with the first operating parameter.
A rotor assembly is disclosed, including a rotatable rotor shaft defining a central axis, the rotor shaft coupled to a rotor core, the rotor core including a plurality of rotor pole pieces circumferentially located about the central axis, each pair of adjacent pole pieces being separated by a space, said rotor core comprising a plurality of core magnets located in the spaces separating the adjacent pole pieces; at least one magnet retainer plate positioned adjacent the rotor core and connected to the rotatable rotor shaft, the at least one magnet retainer plate including a plurality of circumferentially spaced magnet slots and balancing slots located between adjacent magnet slots, the balancing slots configured to receive a balancing weight; and, compression springs located in the balancing slots, each compression spring located adjacent a respective core magnet when the at least one magnet retainer plate is located adjacent the rotor core.
A centrifugal blower assembly including a blower housing having a scroll wall defining a blower chamber, the scroll wall extending circumferentially between a cutoff point to an end point defining a blower circumference, the blower housing further having a surface adjacent to the cutoff point; and a modular cutoff configured to attach to the surface of the blower housing, the modular cutoff having an abutting surface and a cutoff surface configured to extend the cutoff point of the blower by the cutoff surface to an extended cutoff surface. The abutting surface of the modular cutoff further includes an attachment feature configured to mate to an attachment feature of the blower housing.
A fuse holder is disclosed. The fuse holder includes a housing having a fuse compartment and termination compartments, each termination compartment having a cable termination aperture for receiving a cable and a lock pin slot; a bus assembly disposed including current bars having a first end and a second end extending from the termination compartment to the termination compartment, the first end having fuse contacts extending from the first end, the second end including a barb extending from the second end; and, push-in clamps disposed within the termination compartment, the push-in clamps normally biased against the barbs; wherein insertion of an electrical cable into the cable termination aperture depresses and elastically deforms the push-in clamp such that a gap is formed between the barb and the push-in clamp, wherein the push-in clamp continuously applies a biasing force against the electrical cable non-removably clamping the cable into the termination aperture.
H01H 85/20 - Bases for supporting the fuse; Separate parts thereof
H01H 85/22 - Intermediate or auxiliary parts for carrying, holding, or retaining fuse, co-operating with base or fixed holder, and removable therefrom for renewing the fuse
16.
SYSTEMS AND METHODS FOR COMPONENT MONITORING IN AN ELECTRIC MOTOR
A motor controller for an electric motor is provided. The motor controller includes an inverter configured to supply current to stator windings of the electric motor. The motor controller further includes a plurality of sensors configured to generate a sensor signal in response to detecting a parameter. The sensor signal represents a measured parameter. The motor controller further includes a processor coupled in communication with the inverter and with the plurality of sensors. The processor is configured to, in a first mode, transmit a control signal to the inverter to operate the electric motor at a first frequency. The processor is further configured to receive the sensor signal from the plurality of sensors. The processor is further configured to determine a first fault condition is present at the electric motor based on the measured parameter represented by the sensor signal.
H02P 29/028 - Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the motor continuing operation despite the fault condition, e.g. eliminating, compensating for or remedying the fault
H02P 27/06 - 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
17.
SYSTEMS AND METHODS FOR REGULATING ELECTRIC MOTOR OUTPUT
An electric motor for a pump includes an AC line-in node for receiving AC power supplied to the electric motor. The electric motor includes a current sensor coupled to the AC line-in node and measures current supplied to the electric motor. The electric motor includes a motor controller configured to convert the AC power supplied to a variable frequency variable voltage power for driving the electric motor at a normal output value. The motor controller includes a microcontroller and an inverter. The microcontroller is coupled to the current sensor and receives a measured value of the current supplied to the electric motor, determines the measured value is above a threshold, and transmits a control signal representing a reduced output value. The inverter receives the control signal and generates the variable frequency variable voltage power to reduce output from the electric motor according to the reduced output value.
(1) AC generators; current generators; DC generators; electric generators; generators for industrial machinery; machine parts, namely, gear drives; motors and engines used in industrial applications; starter alternators
19.
SYSTEMS AND METHODS FOR HYBRID DRIVE CONTROL FOR AN ELECTRIC MOTOR
A motor controller for an electric motor is provided. The motor controller includes a voltage limiting circuit configured to be coupled to an alternating current (AC) source and is configured to limit a voltage at an output node of the AC source, a filter configured to be coupled to the AC source and is configured to produce a filtered line frequency AC signal, a rectifier coupled to the filter and configured to produce a direct current (DC) signal from the filtered line frequency AC signal, an inverter coupled to the rectifier and configured to produce an AC signal on an input node of the electric motor, and a line contactor coupled between the AC source and the input node of the electric motor and configured to supply the input node of the electric motor directly from the AC source to energize stator windings therewith when the inverter is disabled.
H02P 27/06 - 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
H02P 25/22 - Multiple windings; Windings for more than three phases
20.
SYSTEMS AND METHODS FOR DYNAMICALLY CHANGING AN INVERTER SWITCHING FREQUENCY IN AN ELECTRIC MOTOR
An electric motor for a pump is provided. The electric motor includes a motor controller configured to convert alternating current (AC) power supplied to a variable frequency variable voltage power for driving the electric motor at a motor output according to a commanded motor output. The motor controller includes an inverter configured to generate the variable frequency variable voltage power according to the commanded motor output and a microcontroller coupled to the inverter. The microcontroller is configured to control the inverter to operate at a first switching frequency when the motor output is less than a threshold motor output and control the inverter to operate at a second switching frequency when the motor output is greater than the threshold motor output, wherein the second switching frequency is less than the first switching frequency.
H02P 27/06 - 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
H02M 7/48 - Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
Controllers for controlling hybrid motor drive circuits configured to drive a motor are provided herein. A controller is configured to drive the motor using an inverter when a motor commanded frequency is not within a predetermined range of line input power frequencies, and couple line input power to an output of the inverter using a first switch device when the motor commanded frequency is within the predetermined range of line input power frequencies.
H02P 27/06 - 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
H02P 1/22 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual dc motor in either direction of rotation
H02P 1/30 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor by progressive increase of frequency of supply to primary circuit of motor
H02P 1/44 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual single-phase induction motor by phase-splitting with a capacitor
H02P 25/04 - Single phase motors, e.g. capacitor motors
H02P 1/02 - Arrangements for starting electric motors or dynamo-electric converters - Details
H02P 1/42 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual single-phase induction motor
23.
MULTI-CAPACITY COMPRESSOR WITH VARIABLE SPEED DRIVE AND METHOD OF USE
An HVAC system including a multi-capacity compressor, and a control system for the multi-capacity compressor are described herein. The control system includes an AC line voltage source, a variable-voltage variable-frequency drive, and a processor. The AC line voltage source is configured to operate the multi-capacity compressor. The variable-voltage variable-frequency drive is coupled to the AC line voltage source and is configured to operate the multi-capacity compressor at a variable speed. The processor is coupled to the AC line voltage source and the variable-voltage variable-frequency drive and is configured to selectively couple the AC line voltage source and the variable-voltage variable-frequency drive to the multi-capacity compressor to operate the multi-capacity compressor. The processor is further configured to transmit a capacity control signal to the multi-capacity compressor. The capacity control signal is instructive to operate the multi-capacity compressor in one of a plurality of capacity settings.
A mount assembly for supporting an electric machine assembly is provided. The electric machine assembly includes a base and at least one elastic component disposed between the base and the electric machine assembly. The at least one elastic component dampens vibrations generated by the electric machine assembly. The electric machine assembly may be selectively arranged in at least one of a first orientation, a second orientation, and a third orientation relative to the base.
A health monitor circuit for an electric machine includes a plurality of sensors, a rectifier, a memory device, and a microprocessor. The plurality of sensors includes a current transformer configured to be electromagnetically coupled to an electrical conductor that feeds a stator winding of the electric machine. The rectifier is coupled to the current transformer and is configured to convert an AC signal generated by the current transformer to a DC signal to supply power for the health monitor circuit. The microprocessor is coupled to the memory device and the plurality of sensors. The microprocessor is configured to periodically collect a stator current measurement from the current transformer and write the stator current measurement to the memory device.
G01R 31/3842 - Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
An electric motor system is described. The electric motor system includes a drive circuit configured to supply variable frequency current and a contactor configured to supply line frequency current, wherein the drive circuit includes a three-phase inverter and an H-bridge including two phases of the inverter. The electric motor system also includes an electric motor and a controller. The controller is configured to control the inverter to supply variable frequency current to the electric motor over a first duration and determine to control the drive circuit to transition from supplying variable frequency current to supplying line frequency current. The controller is also configured to determine a polarity of a sensed alternating current (AC) voltage, disable at least two switches of the H-bridge, and control the contactor to close, thereby preventing the contactor and the inverter from energizing the electric motor at the same time once the contactor is closed.
H02P 27/04 - 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
H02P 23/28 - Controlling the motor by varying the switching frequency of switches connected to a DC supply and the motor phases
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
providing an incentive award program for customers that provides for discounted pricing for specified products to the customers for their purchases of said specified products and other incentive program benefits
A control system for a cooling system configured to selectively operate one or both of a condenser fan an evaporator fan in a reverse direction RD, measure power draw at the motor against configuration data and fan motor profiles, and determine if a blockage has occurred before the static pressure has reached a critical point static pressure where the efficiency, performance, and cooling capability of the cooling system is hindered and maintenance is required to clear the blockage. By determining if blockage has occurred before the static pressure has reached the critical point static pressure, an alert or corrective action can be taken.
An electrical switch for an electric machine includes body, a stator fixedly secured to the body and a rotor. The actuator includes a first member securable to the rotor and rotatable with it. The actuator also includes a second member, a first electrically conductive member cooperates with the second member. The actuator also includes a second electrically conductive member. The second electrically conductive member is spaced from said first electrically conductive member when said first electrically conductive member is in the first axial position and electrically engaged with said first electrically conductive member when said first electrically conductive member is in the second axial position.
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
31.
METHODS AND SYSTEMS FOR AUTOMATIC ROTATION DIRECTION DETERMINATION OF ELECTRONICALLY COMMUTATED MOTOR
A method for determining a direction of rotation for an electronically commutated motor (ECM) is described. The motor is configured to rotate a blower and the method comprises rotating the blower using the ECM and determining if the resulting blower rotation is indicative of the desired direction of rotation for the blower.
An electric machine includes a housing having an air intake, an air outlet, and defining an air passage therein. The air passage includes a first channel extending from the air intake in a radial direction and a second channel extending in the radial direction to the outlet. The electric machine further includes a motor assembly positioned within the housing that includes a shaft that rotates about a rotational axis that is generally perpendicular to the radial direction. The electric machine further includes an electronics assembly within the housing interior and a heat sink positioned at least partially within the air passage and thermally connected to the electronics assembly. Operation of the motor assembly draws an ambient airflow into the air passage in the radial direction through the air intake, directs the airflow along the heat sink, and exhausts the airflow through the air outlet in the radial direction.
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
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 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
33.
STALL MARGIN IMPROVEMENT OF ROTOR FAN AND HOUSING FOR A VANEAXIAL BLOWER SYSTEM
A vaneaxial blower system having a stator and a rotor is disclosed. Each of the stator and rotor have a hub and blades, each of the blades have a leading edge and a trailing edge, an angle theta defined by a line extending from the respective leading edges to the respective trailing edges and the respective hub and an angle beta defined as an angle measured between a camber line between a first blade and a second blade and a horizontal tangential line that extends through respective leading edges of the first and second blade.
A blower housing comprises first and second blower housing pieces for surrounding a blower fan. The first blower housing piece comprises a blower discharge section comprising an inner tubular portion, an outer tubular portion, and a drain hole. The inner tubular portion defines a blower discharge passage. The inner and outer tubular portions define an exhaust pipe cavity adapted to receive an end margin of an exhaust pipe. The tubular portions are adapted to enable condensate water that forms on the inner surface of the exhaust pipe to flow into the exhaust pipe cavity. The drain hole extends through the outer tubular portion. The drain hole is configured to enable condensate water flowing into the exhaust pipe cavity to drain from the blower housing. The first blower housing piece is a molded one-piece member.
A sensor bearing housing assembly for use with or integrally formed with a bearing housing. The bearing housing having a base portion defining a footprint, a shaft receiving collar, and a bearing race disposed between the shaft receiving collar and the bearing housing. The sensor bearing housing assembly having a pair of lengthwise sidewalls configured to extend upward from the base portion and an endwise sidewall configured to extend upward from the base portion. The pair of lengthwise sidewalls and the endwise sidewall being joined to form a sensor volume for receiving a sensor therein generally defined within a vertical volume bounded by the footprint of the base portion. The sensor bearing housing assembly having a cutout formed in at least one of the pair of lengthwise sidewalls and the pair of endwise sidewall to permit access to a fastener extending through a mounting hole formed in the base portion.
An interface module and methods for controlling a motor in a heating, ventilation, and air conditioning (HVAC) system are provided. The interface module is configured to determine an operating mode selected from a plurality of operating modes of the HVAC system based on at least one signal received from at least one of a first device and a second device, determine a motor operating parameter at which to operate the motor based on the determined operating mode, and control the motor in accordance with the motor operating parameter.
F24F 11/30 - Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
F24F 11/77 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
F24F 11/62 - Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
37.
Terminal box assembly for an electric motor assembly
A terminal box assembly for use with an electric motor assembly having a housing includes an annular adaptor fixedly coupled to the housing, a mounting hub extending from the housing and positioned within the adaptor, and an annular terminal box rotatably coupled to the adaptor. The terminal box includes a baseplate having a central opening defined therein and configured to receive the mounting hub therethrough. The terminal box assembly also includes a mounting bracket coupled to the mounting hub and positioned within the terminal box such that the baseplate is positioned between the mounting bracket and the adaptor. At least one fastener is inserted through an opening in the mounting bracket and is configured to selectively engage the base plate to compress the terminal box and the adaptor together.
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
A power sensor assembly including a sensor system having a sensor component, a circuit system, and a power receptacle system contained within a sensor housing, and further including a first power pod system having one or more power sources configured to output electrical energy, a power supply interface system operably coupled with the one or more power sources, the power supply interface system selectively connectable with the power receptacle system of the sensor system to transfer power from the one or more power sources to the sensor system, and a housing containing the one or more power sources and the power supply interface system, the housing of the first power pod system being separate from the sensor housing.
An electric motor system is described. The electric motor system includes a drive circuit including an inverter configured to supply variable frequency current and a contactor configured to supply line frequency current. The electric motor system also includes an electric motor coupled to the drive circuit wherein the electric motor is communicatively coupled to a controller. The controller is configured to control the inverter to supply variable frequency current to the electric motor, thereby operating the electric motor at a motor speed, and determine, based upon at least one input parameter, a maximum potential motor speed the inverter can achieve. The controller is also configured to receive a command to operate the electric motor at line frequency current and control the drive circuit to transition from supplying variable frequency current to supplying line frequency current before the maximum potential motor speed the inverter can achieve is reached.
H02P 27/04 - 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
F25B 31/02 - Compressor arrangements of motor-compressor units
H02P 27/06 - 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
H02P 25/04 - Single phase motors, e.g. capacitor motors
A power sensor assembly including a sensor system having a sensor component, a circuit system, and a power receptacle system contained within a sensor housing, and further including a first power pod system having one or more power sources configured to output electrical energy, a power supply interface system operably coupled with the one or more power sources, the power supply interface system selectively connectable with the power receptacle system of the sensor system to transfer power from the one or more power sources to the sensor system, and a housing containing the one or more power sources and the power supply interface system, the housing of the first power pod system being separate from the sensor housing.
A blower comprising a blower housing, a blower wheel, and a motor. The blower wheel is within the blower housing and has a plurality of blades. The motor is operatively connected to the blower wheel to rotate the blower wheel about an axis of rotation. The blower housing comprises a wall perpendicular to the axis of rotation. The wall has a static tap hole having a leading edge and a trailing edge. The static tap hole is positioned near an axial side of the blower wheel such that as the blower wheel rotates, any of the blades of the blower wheel passes the leading edge of the static tap hole before passing the trailing edge of the static tap hole. The wall comprises a protrusion protruding axially from the wall and toward the blower wheel. The protrusion is located adjacent the trailing edge of the static tap hole.
F04D 29/66 - Combating cavitation, whirls, noise, vibration, or the like; Balancing
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
42.
Blower Having a Protrusion Adjacent the Static Tap Hole
A blower comprising a blower housing, a blower wheel, and a motor. The blower wheel is within the blower housing and has a plurality of blades. The motor is operatively connected to the blower wheel to rotate the blower wheel about an axis of rotation. The blower housing comprises a wall perpendicular to the axis of rotation. The wall has a static tap hole having a leading edge and a trailing edge. The static tap hole is positioned near an axial side of the blower wheel such that as the blower wheel rotates, any of the blades of the blower wheel passes the leading edge of the static tap hole before passing the trailing edge of the static tap hole. The wall comprises a protrusion protruding axially from the wall and toward the blower wheel. The protrusion is located adjacent the trailing edge of the static tap hole.
A transfer module assembly includes a frame, a conveyor belt with internal rotating elements, where the conveyer belt is supported by the frame, conveyor drive rollers supported by the frame and configured to drive the conveyor belt, a flat transfer belt mounted beneath the conveyor belt and configured to contact undersides of the internal rotating elements of the conveyor belt in operation, and flat transfer belt drive rollers supported by the frame and configured to drive the flat transfer belt. The conveyor drive rollers are friction-based and operate without use of a sprocket, and comprise depressions for receiving the internal rotating elements of the conveyor belt.
B07C 5/36 - Sorting apparatus characterised by the means used for distribution
B65G 17/24 - Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of rollers which are moved over a supporting surface by the traction element to effect conveyance of loads or load-carriers
B65G 15/46 - Belts or like endless load-carriers made of rubber or plastics formed with guides
A modular transfer system with a primary flow system and a diverter system. The primary flow system includes a primary flow belt for conveying an article along a primary flow path from an infeed side of the modular transfer system to a pass-through side of the modular transfer system. The diverter system includes one or more diverter belts for diverting an article from the primary flow path towards a divert side of the modular transfer system. The primary flow belt includes multiple movable components contacting the diverter belt. The movable components can have one or more rotational degrees of freedom.
B65G 13/071 - Roller driving means with frictional engagement
B65G 17/08 - Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms the surface being formed by the traction element
B65G 17/24 - Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of rollers which are moved over a supporting surface by the traction element to effect conveyance of loads or load-carriers
B65G 39/02 - Adaptations of individual rollers and supports therefor
A blower has a blower housing of clamshell construction, including two housing members having a scroll back wall molded with radial draft, an impeller and a motor within the housing, and a static tap connected to the housing. The impeller has a backplate with a backplate back surface region of substantially the same radially converging shape as that of a front surface region of the scroll back wall formed by the radial draft, providing a substantially uniform axial gap between the backplate back surface region and the scroll back wall. The impeller has a ring connected by a skirt to the back plate to define a stepped area behind the ring. The impeller includes impeller blades extending forwardly from the impeller backplate and the ring and back fins extending rearwardly from the ring. The blower has a scroll width of about twice an impeller exhaust width.
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
(1) Rotary blowers for use in residential and commercial HVAC systems and refrigeration systems.
(2) Fans for use in heating, namely, electric heating fans and gas heating fans; fans for use in ventilation, namely, ventilating fans for use in residential and commercial HVAC systems and refrigeration systems; fans for use in air conditioning units. (1) Assembly of products for others in the nature of blower assembly for use in heating, ventilation, and air conditioning units comprised of a fan, motor and motor controller.
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
assembly services relating to the installation of blower assemblies for heating, ventilation, and air conditioning units comprised of a fan, motor and motor controller custom manufacturing of blower assemblies for heating, ventilation, and air conditioning units comprised of a fan, motor and motor controller for others
fans for use in heating, namely, electric heating fans and gas heating fans; fans for use in ventilation, namely, ventilating fans for use in residential and commercial HVAC systems and refrigeration systems; fans for use in air conditioning units
A blower fan assembly comprising a scroll housing, a forward curved blower wheel, and a blower motor adapted to rotate the blower wheel about a blower wheel axis. The forward-curved blower wheel comprises a plurality of fan blades circumferentially spaced about the blower wheel axis. Each of the fan blades has a leading edge with a leading edge angle and a trailing edge with a trailing edge angle. The leading edge angle is at least 50° and not more than 80°. The trailing edge angle is at least 5.5° and not more than 18.5°. The outer radius is not more than 4 inches (101.6 mm).
A sensor bearing housing assembly for use with or integrally formed with a bearing housing. The bearing housing having a base portion defining a footprint, a shaft receiving collar, and a bearing race disposed between the shaft receiving collar and the bearing housing. The sensor bearing housing assembly having a pair of lengthwise sidewalls configured to extend upward from the base portion and an endwise sidewall configured to extend upward from the base portion. The pair of lengthwise sidewalls and the endwise sidewall being joined to form a sensor volume for receiving a sensor therein generally defined within a vertical volume bounded by the footprint of the base portion. The sensor bearing housing assembly having a cutout formed in at least one of the pair of lengthwise sidewalls and the pair of endwise sidewall to permit access to a fastener extending through a mounting hole formed in the base portion.
F16C 19/52 - Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
F16C 35/04 - Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
F16C 19/06 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row of balls
An electric machine including a housing assembly including a first end and a second end, a stator, a rotor, and a fan is provided. The housing assembly includes a terminal box positioned at the first end, an end plate coupled to the terminal box and including a plurality of inlet apertures, and a casing coupled to the end plate and extending toward the second end. The stator is fixedly secured to the housing assembly and positioned within the casing. The rotor is rotatably secured to the housing assembly and positioned within the casing such that the stator and the rotor are separated within the casing by an air gap. The fan is positioned inside the casing and is configured to draw air into the housing assembly through the plurality of inlet apertures.
H02K 9/14 - Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 1/12 - Stationary parts of the magnetic circuit
H02K 1/22 - Rotating parts of the magnetic circuit
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 15/02 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
A blower fan assembly comprising a scroll housing, a forward curved blower wheel, and a blower motor adapted to rotate the blower wheel about a blower wheel axis. The forward-curved blower wheel comprises a plurality of fan blades circumferentially spaced about the blower wheel axis. Each of the fan blades has a leading edge with a leading edge angle and a trailing edge with a trailing edge angle. The leading edge angle is at least 50° and not more than 80°. The trailing edge angle is at least 5.5° and not more than 18.5°. The outer radius is not more than 4 inches (101.6 mm).
An electric machine including a housing assembly including a first end and a second end, a stator, a rotor, and a fan is provided. The housing assembly includes a terminal box positioned at the first end, an end plate coupled to the terminal box and including a plurality of inlet apertures, and a casing coupled to the end plate and extending toward the second end. The stator is fixedly secured to the housing assembly and positioned within the casing. The rotor is rotatably secured to the housing assembly and positioned within the casing such that the stator and the rotor are separated within the casing by an air gap. The fan is positioned inside the casing and is configured to draw air into the housing assembly through the plurality of inlet apertures.
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 5/18 - Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
A motor controller for an electric motor is provided. The motor controller includes a voltage limiting circuit configured to be coupled to an alternating current (AC) source and is configured to limit a voltage at an output node of the AC source, a filter configured to be coupled to the AC source and is configured to produce a filtered line frequency AC signal, a rectifier coupled to the filter and configured to produce a direct current (DC) signal from the filtered line frequency AC signal, an inverter coupled to the rectifier and configured to produce an AC signal on an input node of the electric motor, and a line contactor coupled between the AC source and the input node of the electric motor and configured to supply the input node of the electric motor directly from the AC source to energize stator windings therewith when the inverter is disabled.
H02P 9/04 - Control effected upon non-electric prime mover and dependent upon electric output value of the generator
H02P 27/06 - 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
H02P 25/22 - Multiple windings; Windings for more than three phases
A modular transfer system with a primary flow system and a diverter system. The primary flow system includes a primary flow belt for conveying an article along a primary flow path from an infeed side of the modular transfer system to a pass-through side of the modular transfer system. The diverter system includes one or more diverter belts for diverting an article from the primary flow path towards a divert side of the modular transfer system. The primary flow belt includes multiple movable components contacting the diverter belt. The movable components can have one or more rotational degrees of freedom.
B65G 13/071 - Roller driving means with frictional engagement
B65G 17/08 - Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms the surface being formed by the traction element
B65G 17/24 - Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of rollers which are moved over a supporting surface by the traction element to effect conveyance of loads or load-carriers
B65G 39/02 - Adaptations of individual rollers and supports therefor
61.
PACKAGE SORTING TRANSFER MODULES AND SYSTEMS AND METHODS THEREFOR
A transfer module assembly includes a frame, a conveyor belt with internal rotating elements, where the conveyer belt is supported by the frame, conveyor drive rollers supported by the frame and configured to drive the conveyor belt, a flat transfer belt mounted beneath the conveyor belt and configured to contact undersides of the internal rotating elements of the conveyor belt in operation, and flat transfer belt drive rollers supported by the frame and configured to drive the flat transfer belt. The conveyor drive rollers are friction-based and operate without use of a sprocket, and comprise depressions for receiving the internal rotating elements of the conveyor belt.
B07C 5/36 - Sorting apparatus characterised by the means used for distribution
B65G 17/24 - Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of rollers which are moved over a supporting surface by the traction element to effect conveyance of loads or load-carriers
62.
SYSTEMS AND METHODS FOR HYBRID DRIVE CONTROL FOR AN ELECTRIC MOTOR
A health monitor circuit for an electric machine is described. The health monitor circuit includes at least one sensor configured to measure a parameter of the electric machine, a communication interface, and a microprocessor coupled to the at least one sensor, the communication interface, and a memory. The microprocessor is configured to periodically collect time samples of the parameter measured by the at least one sensor, transmit factors of the time samples to the memory, and perform a high resolution fast-Fourier transform (FFT) on the factors. The microprocessor is also configured to extrapolate results of the high resolution FFT to a produce a high resolution frequency domain waveform, filter the high resolution frequency domain waveform by a parameter, and transmit, via the communication interface, the filtered frequency domain waveform to a remote system for further processing.
A blower housing comprises first and second blower housing pieces for surrounding a blower fan. The first blower housing piece comprises a blower discharge section comprising an inner tubular portion, an outer tubular portion, and a drain hole. The inner tubular portion defines a blower discharge passage. The inner and outer tubular portions define an exhaust pipe cavity adapted to receive an end margin of an exhaust pipe. The tubular portions are adapted to enable condensate water that forms on the inner surface of the exhaust pipe to flow into the exhaust pipe cavity. The drain hole extends through the outer tubular portion. The drain hole is configured to enable condensate water flowing into the exhaust pipe cavity to drain from the blower housing. The first blower housing piece is a molded one-piece member.
An electric motor system is described. The electric motor system includes a drive circuit configured to supply variable frequency current and a contactor configured to supply line frequency current, wherein the drive circuit includes a three-phase inverter and an H-bridge including two phases of the inverter. The electric motor system also includes an electric motor and a controller. The controller is configured to control the inverter to supply variable frequency current to the electric motor over a first duration and determine to control the drive circuit to transition from supplying variable frequency current to supplying line frequency current. The controller is also configured to determine a polarity of a sensed alternating current (AC) voltage, disable at least two switches of the H-bridge, and control the contactor to close, thereby preventing the contactor and the inverter from energizing the electric motor at the same time once the contactor is closed.
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
H02P 23/28 - Controlling the motor by varying the switching frequency of switches connected to a DC supply and the motor phases
H02P 27/04 - 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
A control system for an electric motor in a compressor system includes a processing system configured to control an inverter to supply variable frequency power to the electric motor from the inverter. The processing system is configured to determine when to transition from supplying variable frequency power to supplying line frequency power to the electric motor. The processing system is configured to engage a pressure equalization mechanism to at least partially reduce a pressure differential developed between a suction portion and a discharge portion of the compressor system. The processing system is configured to apply line frequency power to at least one winding of the electric motor.
F04D 27/00 - Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
H02P 27/06 - 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
68.
SYSTEMS AND METHODS FOR CONTROLLING AN ELECTRIC BLOWER MOTOR IN A FLUID MOVING SYSTEM
A control system for an electric motor configured to drive a fluid-moving apparatus. The control system includes a drive circuit and a processor coupled in communication with the drive circuit. The processor is configured to control the drive circuit to operate the electric motor at a plurality of control values of a control parameter and determine, for each of the plurality of control values, a fluid-flow value and a feedback value, the feedback value corresponding to a feedback parameter, compute a mathematical relationship between fluid-flow rate and one of the control parameter or the feedback parameter, receive a fluid-flow rate demand value, compute an operating setpoint for the control parameter based on the fluid-flow rate demand value and the computed mathematical relationship, and control the drive circuit to operate the electric motor at the operating setpoint.
F24F 11/77 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
An electric machine assembly includes a housing having a first portion and a second portion. The electric machine assembly also includes a midframe coupled between the first and second portions such that the mid-frame and the first portion partially define a first compartment and such that the mid-frame and the second portion partially define a second compartment. A terminal box is coupled to the mid-frame and configured to house a first plurality of electrical components. A stator is positioned within the first compartment and a second plurality of electrical components positioned with the second compartment. The stator and the second plurality of electrical components are electrically coupled by a first plurality of wires extending through the mid-frame, and the first plurality of electrical components are electrically coupled to the second plurality of electrical components by a second plurality of wires extending through the second compartment and into the terminal box.
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 3/52 - Fastening salient pole windings or connections thereto
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
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
70.
SYSTEMS AND METHODS FOR CONTROL OF A PUMP MOTOR HAVING PHYSICALLY SEPARATED CONTROL BOARDS
A control system for a pump motor includes a first portion disposed outside a housing of the pump motor. The first portion may include a wireless communication interface and a processor. In some embodiments, the processor of the first portion is configured to control the wireless communication interface to receive a user input from a user device, and generate a control signal in response to receiving the user input. The control system also includes a second portion physically separate from the first portion and communicatively coupled to the first portion. The second portion may include a processor configured to receive the control signal from the first portion, and control the pump motor in response to receiving the control signal.
F04D 13/08 - Units comprising pumps and their driving means the pump being electrically driven for submerged use
F04D 15/00 - Control, e.g. regulation, of pumps, pumping installations, or systems
E04H 4/12 - Devices or arrangements for circulating water
G08C 17/02 - Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
An electrical machine assembly including a housing, a shroud, and a terminal box coupled to the housing. The terminal box includes a base having an outer wall extending therefrom, wherein the outer wall includes a distal edge that is correspondingly shaped with the housing such that the outer wall engages with the housing and with the shroud to form a seal.
An electric machine assembly includes a shaft configured to rotate about an axis and an end frame coupled about the shaft such that the shaft rotates relative to the end frame. The end frame includes an end surface and a plurality of pins that extend axially from the end surface. The electric machine assembly also includes a fan coupled to the shaft such that rotation of the shaft causes rotation of the fan to facilitate cooling the plurality of pins.
H02K 5/15 - Mounting arrangements for bearing-shields or end plates
H02K 5/18 - Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
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
73.
SYSTEMS AND METHODS FOR WIRELESS CONTROL OF A PUMP MOTOR
A control system for a pump motor includes a first portion disposed outside a housing of the pump motor. The first portion may include a wireless communication interface and a processor. In some embodiments, the processor of the first portion is configured to control the wireless communication interface to receive a user input from a user device, and generate a control signal in response to receiving the user input. The control system also includes a second portion physically separate from the first portion and communicatively coupled to the first portion. The second portion may include a processor configured to receive the control signal from the first portion, and control the pump motor in response to receiving the control signal.
A rotor assembly for use with an electric machine assembly includes a plurality of magnets and a rotor frame having a pair of opposing end plates and a plurality of circumferentially spaced longitudinal members extending between the opposing end plates. The opposing end plates and the plurality of longitudinal members combine to define a plurality of openings that are each configured to receive a magnet of the plurality of magnets. At least one of the opposing end plates includes a plurality of fins extending therefrom in a direction opposite the longitudinal members.
H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
An electric machine assembly includes a housing defining an inner cavity, a rotatable shaft extending through the inner cavity, and at least one electrical component positioned within the cavity. The electric machine assembly also includes an internal fan coupled to the shaft and positioned within the inner cavity such that rotation of the fan provides a cooling airflow to the at least one electrical component.
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 5/15 - Mounting arrangements for bearing-shields or end plates
H02K 5/18 - Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
76.
ELECTRIC MACHINE ASSEMBLY HAVING A ROTATABLE TERMINAL BOX
An electric machine assembly includes a housing having a first plurality of housing openings and a second plurality of housing openings. The electric machine assembly also includes a terminal box removably coupled to the housing, wherein the terminal box includes a base having a first plurality of base openings and a second plurality of base openings. The base is symmetrical and reversible in orientation between a first orientation and a second orientation.
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 15/02 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
77.
ELECTRIC MACHINE ASSEMBLY HAVING A WIRE GUIDING STRUCTURE
An electric machine assembly includes a housing defining an inner cavity and an electrical component positioned within the cavity. The electric machine assembly also includes a mid-frame positioned within the cavity and configured to separate the cavity into a first compartment and a second compartment. The mid-frame includes a guide structure for guiding a plurality of wires through the second compartment toward the electrical component.
A motor controller for an electric motor is provided. The motor controller includes an inverter configured to supply current to stator windings of the electric motor. The motor controller further includes a plurality of sensors configured to generate a sensor signal in response to detecting a parameter. The sensor signal represents a measured parameter. The motor controller further includes a processor coupled in communication with the inverter and with the plurality of sensors. The processor is configured to, in a first mode, transmit a control signal to the inverter to operate the electric motor at a first frequency. The processor is further configured to receive the sensor signal from the plurality of sensors. The processor is further configured to determine a first fault condition is present at the electric motor based on the measured parameter represented by the sensor signal.
H02P 27/06 - 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
H02P 29/028 - Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the motor continuing operation despite the fault condition, e.g. eliminating, compensating for or remedying the fault
An electric motor system is described. The electric motor system includes a drive circuit including an inverter configured to supply variable frequency current and a contactor configured to supply line frequency current. The electric motor system also includes an electric motor coupled to the drive circuit wherein the electric motor is communicatively coupled to a controller. The controller is configured to control the inverter to supply variable frequency current to the electric motor, thereby operating the electric motor at a motor speed, and determine, based upon at least one input parameter, a maximum potential motor speed the inverter can achieve. The controller is also configured to receive a command to operate the electric motor at line frequency current and control the drive circuit to transition from supplying variably frequency current to supplying line frequency current before the maximum potential motor speed the inverter can achieve is reached.
H02P 27/04 - 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
F25B 31/02 - Compressor arrangements of motor-compressor units
H02P 27/06 - 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
H02P 25/04 - Single phase motors, e.g. capacitor motors
81.
Fan and electric machine assembly and methods therefor
A motor assembly having a rotational axis includes a motor housing comprising a plurality of cooling openings extending therethrough and defining a chamber. The motor assembly also includes a stator fixedly coupled to the motor housing and positioned within the chamber. A rotor is coupled to at least one of the motor housing and the stator, wherein the rotor is configured to rotate about the axis and is positioned within the chamber. The motor assembly includes a fan having a first inlet side on a first axial side of the fan and a second inlet side on a second, opposing, axial side of the fan. The fan is configured to draw cooling air in a first direction through the at least one cooling opening into the first inlet side, and the fan is also configured to draw cooling air in a second, opposite direction into the second inlet side.
F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
F04D 29/52 - Casings; Connections for working fluid for axial pumps
F04D 29/58 - Cooling; Heating; Diminishing heat transfer
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
F04D 29/28 - Rotors specially adapted for elastic fluids for centrifugal or helico-centrifugal pumps
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
An electric motor system is described. The electric motor system includes a drive circuit configured to supply variable frequency current and a contactor configured to supply line frequency current, wherein the drive circuit includes a three-phase inverter and an H-bridge including two phases of the inverter. The electric motor system also includes an electric motor and a controller. The controller is configured to control the inverter to supply variable frequency current to the electric motor over a first duration and determine to control the drive circuit to transition from supplying variable frequency current to supplying line frequency current. The controller is also configured to determine a polarity of a sensed alternating current (AC) voltage, disable at least two switches of the H-bridge, and control the contactor to close, thereby preventing the contactor and the inverter from energizing the electric motor at the same time once the contactor is closed.
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
H02P 23/28 - Controlling the motor by varying the switching frequency of switches connected to a DC supply and the motor phases
H02P 27/04 - 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
A motor controller for a draft inducer motor that operates an inducer blower in a furnace is provided. The motor controller includes a communication interface operable to receive a signal from a system controller. The signal represents a command to operate the draft inducer motor. The motor controller includes a processor operable to operate the draft inducer motor in accordance with a predefined motor speed profile during at least one of an ignition stage and a combustion stage of the furnace.
A combustion air blower includes a blower housing, an impeller fan within the blower housing, and an embossment to restrict airflow from the combustion air blower. The blower housing has a discharge conduit defining a discharge passageway. The discharge conduit is adapted and configured to receive a baffle such that, when the baffle is received, the baffle extends inwardly into the discharge passageway from a first wall towards a second wall opposite the first wall. The baffle restricts airflow within the discharge passageway. The embossment is in the discharge passageway and in the second wall and extends towards the first wall such that the embossment restricts airflow within the discharge passageway. The embossment cooperates with a baffle to provide a reduced cross sectional area of the discharge passageway in comparison to an upstream portion.
A draft inducer blower assembly for use with a water heater has a housing, a motor, and a fan. The housing has an exhaust volute surrounding the fan and a base adapted to be mounted atop a water heater. The housing has an inlet port adapted to receive exhaust gas from the water heater. The fan is connected to the motor for rotation about a rotation axis. The exhaust volute has a cut-off at a cut-off angle relative to the rotation axis. The exhaust volute has an exhaust outlet passageway that extends to an exhaust port. The exhaust port is lower than the top of the exhaust volute.
Electric motors and drive circuits therefor are described herein. The drive circuit is configured to operate in a first mode of operation and a second mode of operation. The drive circuit includes an inverter configured to regulate current to a first winding and a second winding of the electric motor in the first mode of operation and to only the first winding in the second mode of operation. The drive circuit also includes a first switch coupled to the second winding and configured to supply line frequency current to the second winding at a first node in the second mode of operation, and a second switch coupled to the second winding and configured to enable selection of regulating current to the second winding using the inverter in the first mode of operation or supplying the line frequency current directly to the second winding in the second mode of operation.
H02P 27/06 - 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
One aspect of the disclosure includes a fluid moving system. The fluid moving system includes a fluid moving apparatus configured to convey a fluid through a housing from an inlet to an outlet. The fluid moving system includes an active cleaning device configured to neutralize or remove at least a portion of an undesired matter from the fluid conveyed through the housing. The fluid moving system includes an electric motor including a rotor coupled to the fluid moving apparatus and configured to turn the fluid moving apparatus upon application of electric power to a stator of the electric motor. The fluid moving system includes a motor controller communicatively coupled to the electric motor and configured to control at least one of a speed output or a torque output thereof.
F24F 3/16 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by ozonisation
F24F 11/30 - Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
F24F 11/77 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
F24F 13/08 - Air-flow control members, e.g. louvres, grilles, flaps or guide plates
90.
SYSTEMS AND METHODS FOR CONTROLLING INDOOR AIR QUALITY WITH A FLUID MOVING APPARATUS
One aspect of the disclosure includes a fluid moving system. The fluid moving system includes a fluid moving apparatus configured to convey a fluid through a housing from an inlet to an outlet. The fluid moving system includes an active cleaning device configured to neutralize or remove at least a portion of an undesired matter from the fluid conveyed through the housing. The fluid moving system includes an electric motor including a rotor coupled to the fluid moving apparatus and configured to turn the fluid moving apparatus upon application of electric power to a stator of the electric motor. The fluid moving system includes a motor controller communicatively coupled to the electric motor and configured to control at least one of a speed output or a torque output thereof.
One aspect of the disclosure includes a fluid moving system. The fluid moving system includes a fluid moving apparatus configured to convey a fluid through a housing from an inlet to an outlet. The fluid moving system includes an active cleaning device configured to neutralize or remove at least a portion of an undesired matter from the fluid conveyed through the housing. The fluid moving system includes an electric motor including a rotor coupled to the fluid moving apparatus and configured to turn the fluid moving apparatus upon application of electric power to a stator of the electric motor. The fluid moving system includes a motor controller communicatively coupled to the electric motor and configured to control at least one of a speed output or a torque output thereof.
F24F 3/16 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by ozonisation
A61L 9/015 - Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
F24F 8/22 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
92.
Centrifugal blower assembly and method for assembling the same
A centrifugal blower assembly includes a scroll wall, a pair of opposing sidewalls, and a cutoff plate. The scroll wall is positioned between the pair of opposing sidewalls such that the scroll wall and opposing sidewalls together define a blower chamber and a blower outlet. The scroll wall extends circumferentially between a cutoff point to an end point and defines a cutout extending circumferentially from the cutoff point. The scroll wall, the pair of opposing sidewalls, and the cutoff point define a blower outlet, wherein the blower outlet defines a blower outlet area. The cutoff plate extends circumferentially from the end point. The cutoff plate defines a notch defining a notch area, the notch area and the blower outlet area define a total blower outlet area, wherein the notch includes a center portion that defines a portion of an elliptical shape.
A motor control assembly for an electric motor. The motor control assembly is configured to be coupled to the electric motor, and includes a wireless communication module, an input power connector, and an inverter module. The wireless communication module is configured to receive a wireless signal from a system controller. The input power connector is configured to receive a DC voltage from an external power supply module. The inverter module is coupled to the wireless communication module and the input power connector. The inverter module is configured to convert the DC voltage to an AC voltage to operate the electric motor according to the wireless signal.
A motor controller for an electric motor includes an enclosure and a processing device, memory device, and communication interface disposed within the enclosure. The processing device is configured to control the electric motor and collect operating information from the electric motor during operation of the electric motor. The memory device is communicatively coupled to the processing device. The memory device is configured to receive and store the operating information collected during operation of the electric motor. The communication interface is communicatively coupled to the processing device and the memory device, and is configured to enable access to the operating information stored on the memory device by a computing device disposed remotely from the electric motor.
H02P 29/02 - Providing protection against overload without automatic interruption of supply
H02P 6/06 - Arrangements for speed regulation of a single motor wherein the motor speed is measured and compared with a given physical value so as to adjust the motor speed
A motor controller for a pump motor is provided. The motor controller includes an input device and a memory configured to store a plurality of actuation sequences and a plurality of commands. Each actuation sequence is associated with a command. The motor controller further includes a processor coupled to the input device, the memory, and the pump motor. The processor is configured to detect at the input device, a first actuation sequence in response to the input device being actuated. The processor is further configured to perform a lookup in the memory to determine a first command corresponding to the first actuation sequence. The processor is further configured to operate the pump motor according to the first command.
F04B 49/20 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups by changing the driving speed
F04B 17/03 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
A server for a control system for cooling systems is disclosed. The server includes a memory device configured to store instructions and a processor communicatively coupled to the memory device and a plurality of cooling systems. Each of cooling systems includes a motor, a sensor, a local memory, and a microprocessor communicatively coupled to the motor, the sensor, the local memory. The microprocessor is configured to control operation of the motor according to settings defined by configuration data stored in the local memory. In response to reading the instructions, the processor is configured to receive, from the sensor of each of the cooling systems, first sensor data, generate first configuration data by executing a first algorithm on the first sensor data, and instruct the microprocessor of at least one cooling system to write the first configuration data to the local memory of the at least one cooling system.
Described herein is an electric motor assembly for an environmental control system. The electric motor assembly includes a fan configured to rotate to circulate air within a controlled environment chamber of the environmental control system, and an electric motor coupled to the fan and configured to rotate the fan. The electric motor includes a motor controller configured to receive a braking control signal from a sensor associated with the controlled environment chamber. The braking control signal indicates an entrance to the controlled environment chamber is about to be opened. The motor controller is also configured to initiate braking the electric motor in response to receiving the braking control signal.
F24F 11/77 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
H02P 3/06 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
H02P 1/02 - Arrangements for starting electric motors or dynamo-electric converters - Details
F25D 29/00 - Arrangement or mounting of control or safety devices
F25D 17/06 - Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating gas, e.g. by natural convection by forced circulation
