A rooftop unit (RTU) having a power exhaust component is disclosed. The RTU comprises a sliding mechanism configured to support the power exhaust component and enable movement of the power exhaust component between a stowed position, and an unpacked position. Further, an RTU having furnace assembly is disclosed. The RTU comprises a sliding mechanism configured to support the furnace assembly and enable movement of the furnace assembly between a stowed position, and an unpacked position. Furthermore, an air-directing baffle for an electric heater associated with an RTU is disclosed. The baffle is adapted to be removably configured between the electric heater and fan(s) associated with the RTU. The baffle directs the flow of air towards a limit switch and/or heating elements associated with the electric heater while restricting the recirculation of the air towards the fans or within the RTU.
A system for determining a humidity level for an area of interest (AOI) is disclosed. The system comprises a first sensor operable to monitor ambient air temperature outside the AOI, a second sensor operable to monitor dew point temperature within the AOI, and a processing device in communication with the first sensor and the second sensor. The processing device comprises one or more processors coupled to a memory storing instructions executable by the one or more processors, wherein the processing device is configured to receive, from the first sensor, the ambient air temperature being monitored outside the AOI, receive, from the second sensor, the dew point temperature being monitored within the AOI, and determine a humidity level to be maintained within the AOI based on the received ambient air temperature and the received dew point temperature.
Embodiments of the disclosure describe systems and methods for managing the allotment of rooms based on indoor air quality (IAQ). The method comprises detecting, based on an IAQ sensor located within a room of a plurality of rooms, a current IAQ of the room. The method further comprises determining whether the current IAQ of the room exceeds a predetermined threshold value. The method further comprises, in response to the determination that the current IAQ exceeds the predetermined threshold value, performing at least one of triggering a control action for the room, and generating and sending a room status change signal to an allotment module configured for allocating the room.
An ejector comprises: a housing having a first chamber and a second chamber, the first chamber having a first inlet for introducing high-pressure fluid and a second inlet for introducing low-pressure fluid, and the second chamber is sequentially provided with a reducing section, a mixing section, and an expanding section along the direction of fluid movement; a nozzle installed in the first chamber of the housing and is only capable of moving along the axis direction of the first chamber of the housing; a magnetic rotating mechanism, comprising an outer ring and an inner ring, the inner ring is rotatably connected to the second end of the nozzle.
Embodiments of the disclosure describe systems and methods for evaluating an operational aspect of a life safety detection device. The method comprises transmitting light from at least one light source into a detection chamber positioned within an interior of a housing of the device. Further, the method comprises receiving, over a predefined time period, scattered light within the detection chamber, wherein the scattered light is indicative of a presence of airborne particulate matter. Furthermore, the method comprises determining, by a processor coupled to the device, a variation pattern of the airborne particulate matter during the predefined time period to analyze, by the processor, the variation pattern of the airborne particulate matter over the predefined time period with respect to another variation pattern during the predefined time duration to evaluate operational aspects of the device.
An electromagnetic shielding member for a gas detector, is disclosed. The electromagnetic shielding member includes a hollow body adapted to enclose a sensor. The hollow body includes a connecting portion and at least one airflow channel. The connecting portion is adapted to electrically connect the hollow body to an enclosure of the gas detector. The at least one airflow channel is defined in the hollow body. The at least one airflow channel is in fluid communication with the sensor, such that the at least one airflow channel is adapted to block an electromagnetic signal based on a set of geometrical parameters associated with the at least one airflow channel. Moreover, the at least one airflow channel is oriented to prevent at least one of ambient particulate matter and water particles from directly contacting the sensor.
A system and method for managing climate in a premises is disclosed. The method includes receiving from a detection means, during a plurality of time periods, signals indicative of one or more persons within the premises; extracting from the received signals, identity of the one or more persons within the premises; receiving, from the one or more persons, respective preferred parameters for climate in the premises; predicting, based on the received signals during the plurality of time periods, presence of one or more persons in a subsequent time period, the corresponding identities of the one or more persons, and the respective preferred parameters for climate in the premises; and operating a climate control unit of the premises, such that, for the subsequent time period, the climate in the premises substantially corresponds with the respective preferred parameters for climate in the premises, of the one or more persons predicted to be in the premises.
A system and method for management of an emergency event in a premises is disclosed. The method includes receiving, by a computing device, from any one or more sensors, signals indicative of an emergency event; receiving, by the computing device, from the one or more sensors, a location of the emergency event within the premises; receiving, by the computing device, from any one or more electronic devices, inputs relating to parameters of the emergency event; receiving, by the computing device, from the one or more electronic devices, a corresponding location of the associated one or more persons; and determining, by the computing device, for each person, an evacuation route from a corresponding current location of each person to a designated evacuation location. The evacuation route is further based on location and parameters of the emergency event, such that potential danger to each person along the corresponding evacuation route is minimized.
A draw-through fan assembly and heat exchanger system configuration is disclosed, comprising a fan deck adapted to mount the fan assembly, an axial fan with a rotating shroud, a heat exchanger section located upstream of the fan and the fan assembly, and a J-shaped inlet bell mouth configured upstream of the fan deck that is located within a space between heat exchangers. Further, a motor associated with the fan assembly and one or more motor struts are positioned upstream of the fan. The fan is mounted on the bottom of the struts, such that once the fan-mounted assembly is configured at the outlet of the heat exchangers, the bell mouth and fan remain below the fan deck and are disposed in a space between the heat exchangers.
A transport refrigeration unit (TRU) is disclosed. The TRU comprises a variable speed compressor, and an electric heater configured upstream and/or downstream of evaporator coils associated with an evaporator of the TRU, wherein an outlet of the compressor is fluidically connected to the evaporator coils and a condenser of the TRU.
A transport refrigeration unit (TRU) is disclosed. The TRU comprises a sensor positioned at an outlet of an evaporator associated with the TRU. The sensor is operable to sense temperature of a refrigerant exiting evaporator coils of the evaporator, wherein the TRU is configured to terminate defrosting of the evaporator when the sensed temperature exceeds a first predefined temperature indicative of a phase change or melting of ice formed on the evaporator coils.
A hybrid refrigeration system comprises: a liquid nitrogen based first refrigeration device for regulating the temperature of a cargo box of a transportation refrigeration vehicle; a mechanical based second refrigeration device for regulating the temperature of the cargo box of the transportation refrigeration vehicle; and a controller connected to the first refrigeration device and the second refrigeration device; wherein, the controller is configured to determine whether the difference between the temperature of the cargo box and the set temperature is greater than or equal to a first threshold when receiving a refrigeration demand for the cargo box; if so, start the first refrigeration device alone or start both the first refrigeration device and the second refrigeration device simultaneously; and if not, start the second refrigeration device alone.
A system to control operation of an HVAC unit for conditioning indoor air quality in a multi-zone area is disclosed, The system comprises a controller adapted to be operatively connected to an air handling unit (AHU) associated with the HVAC unit. The controller is configured to receive, from one or more sensors installed at a plurality of zones of an area of interest (AOI), a set of data packets pertaining to indoor air quality (IAQ) at each of the zones in real-time. Further, when the IAQ of any of the plurality of zones is detected to be above a first predefined level, the controller enables the AHU and the HVAC unit to circulate air from at least one of the remaining zones having the IAQ below the first predefined level to the zones having the IAQ above the first predefined level.
Embodiments of the disclosure describe systems and methods for managing temperature control in an indoor environment, having a plurality of zones, by a Heating Ventilation, and Air Conditioning (HVAC) system. The method comprises, for each zone, detecting a current temperature value of a corresponding zone, comparing the current temperature value with one of a first threshold value and a second threshold value for the corresponding zone, and determining, based on the comparison, whether the current temperature value reaches one of the first threshold value or the second threshold value, and in response to the determination, triggering one of a first control action or a second control action for the corresponding zone. The second threshold value is one of greater than or less than the first threshold value and a set point range for the corresponding zone when one of heating or cooling is being performed by the HVAC system.
A system and method for calibrating flame current in a furnace is disclosed. The method includes initiating combustion within a combustion chamber by allowing flow of the fuel mixture to the combustion chamber; receiving, from a sensor, signals indicative of a flow rate of the air to the combustion chamber; receiving, from a flame rod sensor, signals indicative of a flame current of the combustion chamber; varying a flow rate of the air to the combustion chamber; receiving, from the flame rod sensor, responsive to varying flow rate of the air to the combustion chamber, signals indicative of a change in the flame current of the combustion chamber; and determining, based on varying flow rate of the air to the combustion chamber, and the change in flame current of the combustion chamber, a correlation between the flow rate of the air, and the flame current of the combustion chamber.
Disclosed is an HVAC system for enabling and controlling management of HVAC features. The system includes at least one HVAC equipment, and at least one remote control device communicatively connected with the at least one HVAC equipment. The at least one remote control device includes a processor(s) configured to receive a request including an indication to enable and configure operational characteristic(s) of the at least one HVAC equipment, and at least one of user identification information or HVAC equipment identification information. The processor(s) is further configured to determine a validity of the received request and to enable and configure the operational characteristic(s) upon determining that the received request is valid.
Provided is an EMC filter for rejecting external EMC noises and filtering self-generated emission radiations. The EMC filter includes a first connection port configured to receive one or more input signals from a plurality of sensors and an input power signal. The EMC filter further includes a first filter stage, a second filter stage, and a third filter stage. The first filter stage is configured to filter the received input power signal and the second filter stage is configured to filter one or more ground output signals of the EMC filter. The third filter stage is configured to filter the received one or more input signals to remove EMC noises from the received one or more input signals. The EMC filter further includes a second connection port configured to output the filtered one or more input signals and the filtered input power signal to a fleet management apparatus.
A refrigerated display cabinet is disclosed. The cabinet comprises a case comprising one or more shelves disposed between side walls of the case to form a conservation space to support and store one or more products therewithin, a duct extending from a bottom front side of the cabinet to a top front side of the cabinet via a rear side of the cabinet, and at least one heat exchanger comprising one or more headers, and a plurality of flat microchannel tubes, wherein the at least one heat exchanger is disposed within the duct on the rear side of the cabinet with the plurality of flat microchannel tubes inclined at a first predefined angle with respect to a horizontal plane such that the headers on both sides of the flat microchannels tubes are at different elevations.
Described herein is a refrigerated display cabinet. The cabinet comprises a case comprising shelves disposed between side walls of the case to form a conservation space to store products therewithin, a duct extending from a bottom front side of the cabinet to a top front side of the cabinet via a rear side of the cabinet, and at least one heat exchanger, each comprising one or more headers and a plurality of heat exchange tubes extending between the headers. The heat exchange tubes comprise at least one bend formed along a length of the heat exchange tubes to define at least two sections of the heat exchange tubes. The heat exchanger is disposed within the duct of the cabinet such that the headers remain at one lateral end of the rear side and at least one of the bends of the heat exchange tubes remains opposite to the headers.
A device for analyzing and discriminating faults in an HVAC system. The device comprises acoustic sensor(s) to monitor acoustic parameters associated with component(s) of the HVAC system, and electrical sensor(s) to monitor one or more electrical parameters associated with the component(s) of the HVAC system. The device comprises a processing unit in communication with the acoustic sensor(s) and the electrical sensor(s). The processing unit is configured to receive, from the acoustic sensor (s), the acoustic parameters being monitored within the HVAC system, receive, from the electrical sensor(s), the electrical parameters associated with the component(s) of the HVAC system, and analyze one or more of the received acoustic parameters, and the electrical parameters to detect and discriminate one or more faults in the component(s) of the HVAC system.
A method for setting cooling parameters for a refrigerated transport vehicle includes receiving, from the transport vehicle, first information including energy consumption and performance parameters associated with the transport vehicle, and second information including vehicle type information and transit information associated with the transport vehicle. The method further includes retrieving historical data associated with peer transport vehicles similar to the transport vehicle based on the second information and identifying a peer transport vehicle for which energy and fuel consumption is minimum based on the second information and the retrieved historical data. Upon determining that the energy consumption and the performance parameters of the transport vehicle are greater than the energy consumption and the performance parameters of the identified peer transport vehicle, the method further includes controlling setting of the cooling parameters of the transport vehicle based on the cooling parameters of the identified peer transport vehicle.
A system to control indoor air quality (IAQ) at zones of an area of interest (AOI) is disclosed. The system comprises one or more HVAC devices configured with one or more zones of the AOI, one or more electronic locks configured with a door of the one or more zones, and one or more IAQ sensing devices provided at the one or more zones, wherein the one or more sensing devices are configured to communicatively couple with the one or more electronic locks, and the one or more HVAC devices, and wherein each of the electronic locks is configured to track position and motion of the sensing device that is assigned to the zone where the corresponding electronic lock is installed; and generate an alert signal when the sensing device assigned to any of the one or more zones is detected to be out of the corresponding zone.
F24F 11/49 - Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
F24F 11/52 - Indication arrangements, e.g. displays
F24F 11/57 - Remote control using telephone networks
F24F 11/65 - Electronic processing for selecting an operating mode
F24F 11/80 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
Disclosed is a method for detecting motor parameters, comprising: injecting a first direct current signal; receiving a first d-q axis feedback current corresponding to the first direct current signal and a first d-q axis voltage output by a current regulation module; injecting a second direct current signal different from the first direct current signal; receiving a second d-q axis feedback current corresponding to the second direct current signal and a second d-q axis voltage output by the current regulation module; and determining motor parameters based on the first d-q axis feedback current, the first d-q axis voltage, the second d-q axis feedback current and the second d-q axis voltage. Also disclosed is an apparatus for detecting motor parameters, a computer program product and an air conditioner compressor system.
A transport refrigeration system includes a refrigeration unit including a controller configured to control the refrigeration unit; an electric power device configured to provide power to a refrigeration component of the refrigeration unit; an export power module (EPM) including: an EPM controller in communication with the controller; a power control device configured to receive power from the electric power device; an auxiliary device coupled to the power control device; wherein the controller is configured to communicate with the EPM controller to control power supplied from the electric power device to the auxiliary device.
A self-testing smoke detector is disclosed that includes a base and an optical cover positioned on the base and adapted to form an optical cavity with the base, allowing the smoke to enter therein. The self-testing smoke detector also includes a light source positioned in the base and adapted to illuminate the optical cavity. In addition, the self-testing smoke detector includes an electrochromic film disposed in a path of light produced by the light source and adapted to vary an intensity of illumination. The self-testing smoke detector also includes a photodiode unit positioned in the base and adapted to detect a change in the intensity of illumination in the optical cavity, wherein the change in the intensity of illumination is indicative of an active status of the light source and the photodiode unit.
Embodiments of the disclosure describe a robust optical monitoring device and an operating method thereof. The optical monitoring device includes a housing comprising a first compartment and a second compartment. The first compartment includes a camera circuit board and a wireless connection circuit board, wherein the second compartment comprises a supply circuit board. Further, the housing includes an isolation cell to isolate the first compartment and the second compartment, a camera configured to be disposed in the first compartment of the housing to receive images associated with a sight glass, and an illumination board disposed within the first compartment of the housing positioned to project light for operation of the camera.
A heat exchanger is disclosed. The heat exchanger includes a hollow tube extending from a tube inlet to a tube outlet. The hollow tube includes a wall that includes a core of a first aluminum alloy, and a cladding over the core of a second aluminum alloy. The second aluminum alloy is less noble than the first aluminum alloy and includes an alloying element selected from tin, indium, or gallium, or combinations thereof. A first fluid flow path is disposed along an inner surface of the wall from the tube inlet to the tube outlet, and a second fluid flow path is disposed across an outer surface of the wall.
F28F 19/00 - Preventing the formation of deposits or corrosion, e.g. by using filters
B23K 20/04 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a rolling mill
B32B 15/01 - Layered products essentially comprising metal all layers being exclusively metallic
C22C 21/06 - Alloys based on aluminium with magnesium as the next major constituent
C22C 21/10 - Alloys based on aluminium with zinc as the next major constituent
F28F 1/30 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being attachable to the element
F28F 19/06 - Preventing the formation of deposits or corrosion, e.g. by using filters by using coatings, e.g. vitreous or enamel coatings of metal
F28F 21/08 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
29.
REFRIGERANT FLOW MANAGEMENT FOR MODULATING REHEAT SYSTEM
A heating, ventilation, and air conditioning (HVAC) system includes a housing, a plurality of compressors, a condenser, a reheater, and an evaporator arranged in fluid communication. The condenser and the reheater are arranged in parallel and the plurality of compressors are arranged in parallel. A fluid management system is operable to actively manage a flow of a fluid within the HVAC system provided to the reheater.
F24F 11/84 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
F24F 3/153 - 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 dehumidification with subsequent heating, i.e. with the air, given the required humidity in the central station, passing a heating element to achieve the required temperature
F24F 11/86 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
30.
SYSTEM AND METHOD FOR OPERATING PLURALITY OF EVAPORATOR UNITS
A system and method for operating a plurality of evaporator units is disclosed. The method includes receiving, by a controller communicably coupled to each evaporator unit, a current state of operation of the respective evaporator unit. A state of operation of each evaporator unit includes first and second modes of operation. The method includes receiving, by the controller, a current speed of a fan of the respective evaporator unit. Responsive to the state of operation of the plurality of evaporator units, the method further includes operating, by the controller, each of the plurality of evaporator units, to change the speed of the respective fans from a first speed to a speed different from the first speed. Operation of the fans of the plurality of evaporator units at the speed different from the first speed enables the plurality of evaporator units to operate within a desirable range of cooling efficiency.
Embodiments of the disclosure describe a replaceable module for a gas detector. The replaceable module may include a sensor housing and a cover. The sensor housing is adapted to accommodate a sensor and a first sensor circuit of the gas detector. The sensor is detachably connected to the first sensor circuit. The cover is detachably connected to the sensor housing. The cover may include at least one resilient engaging member extending from the cover and defines at least one protrusion adapted to engage with a lower enclosure of the gas detector to restrict a movement of the cover relative to the lower enclosure.
A method for determining when to initiate a defrost mode of a heat pump includes monitoring a heating capacity of a heat exchanger of the heat pump during operation of the heat pump in a heating mode, initiating the defrost mode when the heating capacity of the heat exchanger is less than or equal to a reduced defrost threshold when a capacity demand of the heat exchanger is less than a maximum capacity demand, and initiating the defrost mode when the heating capacity of the heat exchanger is less than or equal to a maximum defrost threshold when the capacity demand of the heat exchanger is equal to the maximum capacity demand.
An air distributor for a transport refrigeration unit (TRU) associated with a vehicle is disclosed. The air distributor is adapted to be removably or fixedly attached at a predetermined position on one or more truck wings associated with the vehicle such that the air distributor facilitates the inflow of ambient air therewithin and directs the ambient air towards an air inlet area of a heat exchanger associated with the TRU.
Disclosed is a method for frequency determination and propagation in a transport container system. The method includes establishing a cellular connection with a network when a first container control device is connected to one of AC power or internal battery power. The method further includes determining whether location information of the first container control device of a plurality of container control devices is available and transmitting the location information to a web server. The method further includes receiving, from the web server, information related to an approved LoRa frequency along with a timestamp and thereby establishing a connection with a LoRa server if the LoRa frequency and the timestamp are valid. The method further includes broadcasting the LoRa frequency and a timestamp of the first container control device to a set of container control devices of the plurality of container control devices, that are not connected to the LoRa server.
A trim element for covering a base portion of a smoke detector is disclosed. The trim element includes a hollow housing comprising an inner wall adapted to removably attach the hollow housing to the base portion of the smoke detector. The hollow housing defines an outlet in fluid communication with an aerosolizing chamber. The aerosolizing chamber includes an aerosol generator, an airflow generating element for directing airflow in combination with the generated aerosol towards the outlet, and a processor electrically coupled to the aerosol generator and the airflow generating element. The processor receives an input signal indicative of an inspection mode of the smoke detector and transmits an activation signal to the aerosol generator and the airflow generating element in response to receiving the input signal.
The present application relates to a heater, the heater comprising: a first heating resistor, the first heating resistor being a thermistor; a second protective resistor connected in series with the first heating resistor, wherein the second protective resistor has a constant resistance value; and a temperature switch connected in parallel with the second protective resistor, wherein the temperature switch enables or bypasses the second protective resistor according to surface temperature of the first heating resistor. The present application also relates to a transport refrigeration unit, a refrigeration system for a transport unit, and a method of controlling a heater in a transport refrigeration unit TRU.
The battery pack system comprises a casing having an interior and comprising at least one opening, and at least one cover disposed in the casing interior and movably configured at the at least one opening, such that one of the cover is associated with one of the opening. In an event of a hazard in the interior of the battery pack, the at least one cover is configured to move to a closed position to close the at least one opening of the casing. The battery pack system comprises an actuation assembly configured with the at least one cover. The actuation assembly is configured to keep the at least one cover in an open position during a non-hazard condition, and move the at least one cover to the closed position in the event of the hazard.
A detection device includes a cover member adapted to support a detector assembly having a plurality of pins. A base member of the detection device is coupled to the cover member and, is adapted to accommodate a plurality of electrical terminals adapted to be engaged with the pins. The detection device includes a rotatable ring disposed on the base member and adapted to lock the cover member with respect to the base member. The detection device includes a plurality of shorting elements disposed on the rotatable ring and adapted to form a shorting contact with the electrical terminals. The rotatable ring is rotated with respect to the base member and the cover member to at least one of lock the cover member with respect to the base member and break the shorting contact, and unlock the cover member with respect to the base member and form the shorting contact.
A62C 37/40 - Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
A pretreatment module comprises: a first airflow path and a second airflow path, wherein the first airflow path is provided with a first dehumidification heat exchanger, and the second airflow path is provided with a second dehumidification heat exchanger; and a pipeline and valve assembly, wherein, a second end of the first airflow path and a second end of the second airflow path are connected to an air inlet and an air outlet of a natural cooling device of the cooling system through the pipeline and valve assembly; wherein, the pipeline and valve assembly is configured to switch between a first mode and a second mode; in the first mode, the pipeline and valve assembly is configured to connect the first airflow path to the air inlet; and in the second mode, the pipeline and valve assembly is configured to connect the first airflow path to the air outlet.
F24F 11/65 - Electronic processing for selecting an operating mode
F24F 3/14 - 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 dehumidification
F24F 5/00 - Air-conditioning systems or apparatus not covered by group or
F24F 11/84 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
43.
MICRO-CHANNEL HEAT EXCHANGER AND HEAT PUMP SYSTEM HAVING THE SAME
A micro-channel heat exchanger comprises: a first manifold and a second manifold; a plurality of micro-channel flat tubes, sequentially connected from top to bottom between the first manifold and the second manifold; and a plurality of heat exchange fins, spaced at a predetermined distance from each other and formed with tube holes for the plurality of micro-channel flat tubes to pass through. The plurality of heat exchange fins have heat dissipation structures. The heat dissipation structures are located above the micro-channel flat tube, and a drainage groove is arranged vertically at the same side of the plurality of heat exchange fins. A portion of at least one heat exchange fin of the plurality of heat exchange fins below the bottommost micro-channel flat tube has a guiding structure for guiding water droplets condensed on the surface of the heat exchange fin to the drainage groove.
F28F 1/12 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
F28F 17/00 - Removing ice or water from heat-exchange apparatus
The present invention provides a tool kit for a heat exchanger and a method for detaching an end cover of a heat exchanger. The tool kit comprises: a first hinge device and a second hinge device, wherein the first hinge device and the second hinge device are mounted between an end flange and the end cover at a first position and a second position on the same axis, the first hinge device and the second hinge devices each comprising: a base, configured to be fixedly connected to the end flange; a rotating member, configured to be fixedly connected to the end cover; and a connecting member, configured to be detachably connected to the base and the rotating member, so that the rotating member is capable of rotating along the same axis relative to the base.
B23P 19/04 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Downloadable computer software for collecting, analyzing, and reporting data from residential and commercial building data sources; downloadable mobile application software for enabling touchless building entry and elevator access and reporting building wellness data of livable spaces Online platform as a service, namely, online non-downloadable software for collecting, analyzing and reporting data from residential and commercial building data sources, namely, Building Management Systems and Building Automation System (BMS/BAS) which are computer-based control systems installed in buildings that control and monitor a building's mechanical and electrical equipment and third-party sensors for mechanical and electric equipment in a building, and used for controlling and adjusting the mechanical and electrical equipment in a building for the purpose of optimizing performance and meeting certain industry standards for efficiency and wellness of persons and building spaces; Providing temporary use of non-downloadable computer software for collecting, analyzing and reporting data from residential and commercial building data sources, namely, Building Management Systems and Building Automation System (BMS/BAS) which are computer-based control systems installed in buildings that control and monitor a building's mechanical and electrical equipment and third-party sensors for mechanical and electric equipment in a building, and used for controlling and adjusting the mechanical and electrical equipment in a building for the purpose of optimizing performance and meeting certain industry standards for efficiency and wellness of persons and building spaces; Providing temporary use of non-downloadable mobile application software for enabling touchless building entry and elevator access and reporting building wellness data of livable spaces
48.
SCREW COMPRESSOR AND REFRIGERATION SYSTEM HAVING IT
A screw compressor comprises: a rotor set comprising male rotor and female rotor meshing with each other; a rotor housing; and a partition plate, fixed on the rotor housing and having a first annular section and a second annular section. The annular outer surface diameter of the first annular section is the same or substantially the same as the diameter of the circle formed by the male rotor teeth tips. The annular inner surface diameter of the first annular section is the same or substantially the same as the male rotor main shaft diameter. The annular outer surface diameter of the second annular section is the same or substantially the same as the diameter of the circle formed by the female rotor teeth tips. The annular inner surface diameter of the second annular section is the same or substantially the same as the female rotor main shaft diameter.
F04C 18/16 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
F25B 31/02 - Compressor arrangements of motor-compressor units
A valve module and a heat pump system are disclosed. The heat pump system comprises: an outdoor unit, a plurality of indoor units, one or more valve modules, a plurality of sensors and a control device. The control device is connected to the plurality of sensors and configured to execute a local cut-off step upon receiving a signal indicating refrigerant leakage in a corresponding indoor unit sent from any sensor, the local cut-off step comprising: closing the indoor unit throttling element of the indoor unit with leakage; and closing the corresponding branch control valve in the valve module connected to the indoor unit with leakage. The valve module and heat pump system according to the embodiments of the invention can effectively prevent continuous refrigerant leakage into the room and have minimal impact on other indoor units of the heat pump system.
A system to control the operation of monitoring devices associated with shipments is disclosed. The system comprises multiple monitoring devices installed in container(s) associated with a shipment, where a unique trip-id is assigned to each monitoring device. The monitoring devices are configured to be switched between a first mode, and a second mode. The monitoring device in the first mode transmits a set of beacon signals comprising data pertaining to the trip-id and a status indicative of the first mode. The monitoring device in the second mode detects and extracts the trip-id and the status from the detected beacon signals. The monitoring device in the second mode automatically switches to the first mode upon a negative matching of the extracted status and the status of the corresponding monitoring device and a positive matching of the extracted tri-id and the trip-id of the corresponding monitoring device.
A method of making a fire extinguishing composition comprises: forming a first aqueous solution of potassium acetate, potassium formate, or a combination thereof; forming a second aqueous solution comprising a biocide, a bio-surfactant and an optional corrosion inhibitor; combining the first aqueous solution with the second aqueous solution to form a third aqueous solution and mixing until the third aqueous solution is transparent; adding a chelating agent to the transparent third aqueous solution and mixing to form a transparent fourth aqueous solution. A fire extinguishing composition made by the method is also disclosed.
Disclosed is an oil separation device for a condenser. The condenser comprises: a housing having an accommodating chamber; and an oil separation partition that divides the accommodating chamber into an oil separation chamber and a condensation chamber. The oil separation device comprises: a first refrigerant inlet port and a second refrigerant inlet port, for guiding refrigerant gas into the oil separation chamber; and a first refrigerant outlet port, a second refrigerant outlet port, and a third refrigerant outlet port, for guiding refrigerant gas separated from oil out of the oil separation chamber, wherein, the first refrigerant outlet port is arranged at or near the first end of the oil separation chamber, the second refrigerant outlet port is arranged at or near the second end of the oil separation chamber, the third refrigerant outlet port is arranged in or near the middle of the oil separation chamber.
F25B 43/02 - Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
An air filter assembly is disclosed and has a filter housing. The filter housing includes an outlet formed on a bottom wall of the filter housing. The outlet has an engagement wall formed in a predefined shape around the outlet. The filter housing further includes a holder formed concentrically disposed around the outlet. The air filter assembly includes a filter cartridge removably installed inside the holder. The filter cartridge comprises a filter media configured to clean air and a base removably installed in the holder, the base configured to receive the filter media. The base comprises a first sealant disposed around the hole and has a flat surface configured to engage with the edges of the engagement walls to form an axial seal and a second sealant disposed around a periphery of the base and configured to engage with an inner wall of the holder to form a radial seal.
A water tank module and an air-conditioning water system configured with the water tank module is disclosed. The air-conditioning water system comprises an outdoor unit, a water pump, an air-conditioning terminal, a leaving water pipe and a return water pipe. The water tank module comprises: a first buffer water tank disposed on the leaving water pipe, where the first buffer water tank is integrated with a first ball valve; and a second buffer water tank disposed on the return water pipe and arranged at or near the first buffer water tank, where the second buffer water tank is integrated with a second ball valve, a safety valve for pressure relief, an exhaust valve for gas exhaust, and a water replenishment valve for water replenishment, wherein, a bypass pipe having a bypass valve is disposed between the first buffer water tank and the second buffer water tank.
Disclosed herein is a multi gas detection system comprising one or more sensors for detecting the presence of two or more of a refrigerant, a supply gas, and a combustion gas. Also disclosed is an HVAC system comprising the multi gas detection system and a method of operating the HVAC system.
A receiver, a receiver assembly and a heat pump system. The receiver includes a first pipe, a second pipe and a third pipe leading to the cavity of the receiver, wherein the first pipe, the second pipe and the third pipe connect to a first load unit, a second load unit and a cold and heat source unit, respectively.
A system and method for commissioning safety devices is disclosed. The method includes providing one or more safety devices configured to generate a signal responsive to detection of a hazard. The one or more safety devices are communicably coupled to each other via first and second communication networks. The method further includes receiving, by a controller, at any one of the one or more safety devices, a first data packet including attributes pertaining to commissioning of the one safety device. The method further includes transmitting, by the controller, the first data packet to the remaining safety devices of the one or more safety devices through the first communication network. The method further includes receiving, by the remaining safety devices of the one or more safety devices, the first data packet to enable respective commissioning of the remaining safety devices.
A heat exchanger includes a plurality of heat exchange tube segments defining a plurality of fluid pathways therein and a plurality of fins disposed between adjacent heat exchange tube segments of the plurality of heat exchange tube segments. A bend is formed in the plurality of heat exchange tube segments defining a first portion of the heat exchanger located at a first side of the bend, and a second portion of the heat exchanger located at a second side of the bend opposite the first side. A support is positioned at or near the bend, the support including and includes a support base and at least one support finger extending from the support base and into a gap between adjacent heat exchange tube segments of the plurality of heat exchange tube segments.
F28D 1/047 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
F28F 9/00 - Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
F28F 9/013 - Auxiliary supports for elements for tubes or tube-assemblies
61.
METHOD AND SYSTEM FOR VERIFYING USER AUTHENTICITY IN AN ACCESS CONTROL SYSTEM
In an implementation, a method may include detecting a user is in proximity to an access reader based on one of a command received from the user or an electronic communication device, associated with the user, present within a predefined threshold distance from the access reader. Further, the method may include transmitting a signal to the electronic communication device in response to detecting that the user is in proximity to the access reader, where the signal is indicative of verifying the authenticity of the user. Further, the method may include receiving, from the electronic communication device, biometric information associated with the user for verifying the authenticity of the user after transmitting the signal to the electronic communication device and verifying the authenticity of the user based on the verification of the biometric information with user data stored at a database in communication with the access reader.
G07C 9/00 - Individual registration on entry or exit
G07C 9/26 - Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder using biometric data, e.g. fingerprints, iris scans or voice recognition using a biometric sensor integrated in the pass
A handle assembly includes a hub body that extends along a central longitudinal axis that has a first end portion that includes a first set of handle adapter engagement features and a second set of handle adapter engagement features. A handle adapter includes at least one of a first set of hub engagement features for engaging the first set of handle adapter engagement features or a second set of hub engagement features for engaging the second set of handle adapter engagement features. A handle engages both the handle adapter and the hub body.
The present invention relates to a gas bearing for a centrifugal compressor, comprising a housing and a motor shaft located within the housing. The gas bearing comprises: a bearing housing, sleeved on an outer side of the motor shaft and fixed on the housing of the centrifugal compressor; an electromagnetic stator, fixed in or near the middle of the top of the bearing housing, and wound with a coil that can be powered; an electromagnetic rotor, fixed on an outer surface of the motor shaft and arranged circumferentially around the motor shaft; and a foil, located between the bearing housing and the motor shaft, and attached with a frication-resistant coating. The present invention further proposes a centrifugal compressor configured with the gas bearing, and a refrigeration system equipped with the centrifugal compressor.
A method of providing automatic real-time notifications to at least one user by an electronic locking system includes detecting whether the user is leaving a storage space secured by the electronic lock. The method further includes determining whether a latch of the electronic lock is open upon detecting the user is leaving the storage space. The method includes monitoring a change in location of a device of the user with respect to the electronic lock and displaying a first alert notification on the device if the location of the device is at a threshold level of a communication range and the latch status is open. Subsequently, the method includes determining whether the location of the device is outside of a geofence range in presence or absence of any user response to the first alert notification and displaying a second alert notification if the latch status is still open.
The invention provides a refrigeration system. The refrigeration system comprises: a first circuit, wherein the first circuit is a natural cooling circuit and comprises a first evaporator; a second circuit, wherein the second circuit is a mechanical refrigeration circuit and comprises a second evaporator; and a coolant circuit, wherein the coolant circuit passes through the first evaporator and the second evaporator in sequence, and the coolant circuit further comprises a first bypass branch in parallel with the first evaporator, where a first control valve is provided on the first bypass branch. The refrigeration system according to the embodiments of the invention has a smaller flow resistance in the mechanical refrigeration mode, thus effectively reducing the energy consumption of the coolant drive pump on the coolant flow path.
The invention provides a multi-temperature air conditioning system, a control method thereof and a transport refrigeration vehicle. The multi-temperature air conditioning system comprises: an outdoor unit, in which a compressor, a first stop valve, an outdoor heat exchanger, and a first check valve connected through pipelines are arranged, wherein, the first stop valve is arranged between a first end of the outdoor heat exchanger and an exhaust port of the compressor; a first type indoor unit, in which a first indoor heat exchanger, a first throttling element with a shut-off function, a first regulating valve, a second stop valve, and a second check valve are respectively arranged; and a second type indoor unit, in which a second indoor heat exchanger, a second throttling element with a shut-off function, a second regulating valve, a third stop valve, and a third check valve are respectively arranged.
The invention relates to an end product for air-conditioning indoor unit, which comprises a heat exchange tube through which air and refrigerant exchange heat; a heat exchange fin on which a tube hole for passing through the heat exchange tube is formed and the surface of which is coated with a hydrophilic coating containing photocatalytic material; and an ultraviolet lamp arranged at or near the heat exchange fin, so that the ultraviolet light of the ultraviolet lamp can cover the surface of the heat exchange fin coated with the hydrophilic coating. The invention further provides an air-conditioning indoor unit configured with the end product and a method for coating heat exchange fins of the end product. The end product for air-conditioning indoor unit according to the invention can achieve highly efficient air purification.
F28F 1/32 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
A61L 2/00 - Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
A method of cooling an assembly including at least one heat-generating electronic device and at least one peripheral heat-generating device includes cooling the at least one heat-generating electronic device with a primary cooling fluid and cooling the at least one heat-generating electronic device and the at least one peripheral heat-generating device with a secondary cooling fluid. The secondary cooling fluid is distinct from the primary cooling fluid.
A cooling system for cooling one or more heat-generating devices includes a heat sink to which the one or more heat-generating devices are thermally coupled and a heat exchanger thermally coupled to the heat sink. The heat exchanger has a first flow path for receiving a primary cooling fluid and a second flow path for receiving a secondary cooling fluid. Heat is transferable to the primary cooling fluid from both the heat sink and the secondary cooling fluid at the heat exchanger.
The invention provides a multi-temperature air conditioning system, a control method thereof and a transport refrigeration vehicle. The multi-temperature air conditioning system comprises: an outdoor unit, in which a compressor, a first stop valve, an outdoor heat exchanger, and a second stop valve connected through pipelines are arranged, wherein, the first stop valve is arranged between a first end of the outdoor heat exchanger and an exhaust port of the compressor, and the second stop valve is arranged between a second end of the outdoor heat exchanger and a suction port of the compressor; a first type indoor unit, in which a first indoor heat exchanger, a first throttling element, a third stop valve, and a fourth stop valve are arranged; and a second type indoor unit, in which a second indoor heat exchanger, a second throttling element, a fifth stop valve, and a sixth stop valve are arranged.
A hood assembly is disclosed. The hood assembly includes a housing having first and second walls arranged opposite to each other, the first and second walls being vertically oriented with respect to a floor on which the hood assembly is placed. The hood assembly includes a mechanical fire detection line configured to detect presence of a fire within the housing. The mechanical fire detection line is disposed between the first and second walls, and extending beyond the second wall. The hood assembly further includes a restricting element disposed on the second wall, such that the mechanical fire detection line extends beyond the second wall of the hood assembly by passing through the restricting element. The restricting element is adapted to allow movement of the mechanical fire detection line along a first direction, and restrict movement of the mechanical fire detection line along a second direction opposite to the first direction.
A62C 37/42 - Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with mechanical connection between sensor and actuator, e.g. rods, levers
A62C 3/00 - Fire prevention, containment or extinguishing specially adapted for particular objects or places
73.
HVAC SENSOR INFORMATION AND SENSOR COMMUNICATION OVER RELAY-CONTROLLED POWER LINE
Provided are embodiments for a wireless gateway device for a heating, ventilation, and air conditioning (HVAC) system for providing sensor information and sensor communication over relay-controlled power line. The wireless gate device includes an input/output (I/O) interface, a communication unit, and a controller. The controller is communicably coupled with the I/O interface and the communication unit. The controller is configured to receive operational data from at least one of one or more sensors and a thermostat of the HVAC system over the power line. The controller is also configured to control one or more components of the HVAC system based on the operational data associated with the HVAC system. The controller can also transmit the operational data to a remote server.
An assembly for directing and detecting leaked refrigerant in a heat exchanger is disclosed. The assembly comprises one or more tray configured at one or more leak-prone locations in the heat exchanger. A first tray is configured at bottom of one or more manifold associated with the heat exchanger, which extends along a length of the corresponding manifold. A second tray is configured on top of the manifold(s), which extends along a length of the corresponding manifold and covers the top of the corresponding manifold. The first and second trays are adapted to block and collect leaked refrigerant from any of the one or more leak-prone locations and direct the collected leaked refrigerant toward a predetermined location or a refrigerant sensor.
F25B 49/00 - Arrangement or mounting of control or safety devices
F28D 1/053 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
77.
METHOD FOR IDENTIFYING A STATE OF A STREAM OF REFRIGERANT
A method for identifying a state of a stream of refrigerant includes capturing a plurality of sample images of a sensor for sensing the stream of the refrigerant, processing each of the plurality of sample images to identify a first color indicative of a dry refrigerant and a second color indicative of a wet refrigerant. The method also includes calculating an aggregated volume of each of the first color and the second color, wherein the aggregated volumes of the first color and the second color indicate a dry refrigerant or the wet refrigerant respectively in the stream. Further, the method includes comparing an aggregated volume ratio of the first color and the second color with a first threshold ratio and a second threshold ratio and determining the state as one of a dry state, a transient state, and a wet state based on the comparison.
G01N 25/64 - Investigating or analysing materials by the use of thermal means by investigating moisture content by psychrometric means, e.g. wet-and-dry-bulb thermometers using electric temperature-responsive elements
78.
DEVICE AND METHOD FOR DETECTION OF ELECTRICAL DISCHARGE IN ANHVAC CONTROL BOX
A device and method for the detection of electrical discharge in an HVAC control box are disclosed. The device comprises an ultrasonic sensor(s) such as a MEMS-based sensor that detects the acoustic spectrum(s) generated within the HVAC control box, and a processing unit in communication with the ultrasonic sensor. The processing unit is configured to receive, from the ultrasonic sensor, the acoustic spectrum being detected within the HVAC control box and analyze the received acoustic spectrum to detect an electrical discharge within the HVAC control box.
A Stirling refrigeration system is disclosed that comprises a Stirling unit having a hot end and a cold end. In addition, the Stirling refrigeration system includes a hot heat exchanger fluidically coupled to the hot end and configured to release the heat form the hot end, wherein the hot heat exchanger and the hot end define a hot circuit for a first refrigerant to flow therein. Further, the Stirling refrigeration system includes a cold heat exchanger fluidically coupled to the cold end and configured to remove the heat from the cold end, wherein the cold heat exchanger and the cold end define a cold circuit for a second refrigerant to flow therein. One of the first refrigerant and the second refrigerant comprises a two-phase low GWP refrigerant.
F25B 9/14 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
A mounting assembly for a refrigeration system is disclosed. The mounting assembly comprises a plurality of elongated members adapted to be mounted on an evaporator of the refrigeration system. Each of the plurality of elongated members is positioned above the evaporator and extends along a length of the evaporator between a first end and a second end. Each of the plurality of elongated members is adapted to mount a compressor of the refrigeration system thereon.
A method for identifying an electric motor includes applying a first predefined current having a first frequency to a terminal of the electric motor. The method further includes calculating a first inductance value of the electric motor at the first frequency. The method includes applying a second predefined d-axis current having a second frequency to the terminal of the electric motor. The method also includes calculating a second inductance value of the electric motor at the second frequency. Further, the method includes obtaining a first deviation value and the second deviation value based on a comparison with a first reference value and a second reference value respectively. Finally, the method includes identifying the electric motor as one of an intended motor or a non-intended motor based on a comparison of each of the first deviation value and the second deviation value with a predefined threshold value.
F24F 11/49 - Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
G01R 27/26 - Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants
H02K 11/27 - Devices for sensing current, or actuated thereby
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 method and system for determining safety device coverage for a property. The method includes providing identifying information associated with a property to a mobile device; initiating safety device electronic beacon recognition on the mobile device; touring the property with the mobile device having safety device electronic beacon recognition initiated and obtaining safety device information; storing safety device information obtained during touring; and analyzing the safety device information to determine safety device coverage associated with the property.
Embodiments of a system to determine one or more corrective actions for one or more refrigeration units are disclosed. In one or more embodiments, the system comprises a server configured to generate a plurality of defrosting thermal models based on an analysis of a first set of data to generate a plurality of defrosting thermal models, determine, by the plurality of defrosting thermal models, one or more thermal features based on the first set of data and generate one or more behavior profiles associated with the one or more refrigeration units. The server is further configured to define a distinguished causal mapping between the one or more thermal features and the one or more behavior profiles and determine one or more corrective actions for each of the plurality of self-executing defrost failure instances associated with one or more refrigeration units based on the distinguished causal mapping.
System for self-regulated defrost operation comprises a server configured to generate individual signatures corresponding to historic defrost events for the refrigeration units, where the individual signatures comprise pre-event defrost behavior and post-event defrost behavior, which are generated based on defrost parameters and a corresponding defrost policy. The system predicts ice gradient profiles for the refrigeration units and creates a priority rank based on the outcome impact of each of the ice gradient profiles to create an ice gradient index, determine product input constraints based on product group profiles, product quality impact index, and product compliance, execute design constraints and operational constraints associated with the refrigeration units, and self-regulate a defrost event for the refrigeration units in terms of design constraint parameters, based on the individual signatures corresponding to the historic defrost events, the ice gradient index, the product input constraints, and the executed design constraints and operational constraints.
Embodiments of the disclosure describe systems and methods for remotely modifying an operating state of a wireless radio on a first device via a second device. The system comprises a first device comprising a wireless radio, and a controller in a second device configured to communicate with the first device via a serial communication bus. The controller is configured to receive an input to trigger a change in an operating state of the wireless radio on the first device. Further, the controller is configured to transmit, via the serial communication bus, a signalling message to the first device to initiate change in the operating state of the wireless radio on the first device, wherein the first device is configured to modify the operating state of the wireless radio on the first device.
A distributor for an inlet manifold of a microchannel heat exchanger is disclosed. The distributor comprising a nozzle adapted to the fluidically connected to a supply tube of a refrigeration line of the heat exchanger, wherein the supply tube is at least partially disposed within an inlet manifold of the heat exchanger. The nozzle comprises a first hollow portion having a round cross-section and adapted to be fluidically connected to the supply tube, and a second hollow portion having an oval or elliptical cross-section, wherein the second portion is fluidically connected to the first portion such that the nozzle gradually transitions from the first portion to the second portion and flow area of the nozzle reduces in a direction from the first portion to the second portion.
According to an embodiment, a thermostat of a heating, ventilation and air conditioning (HVAC) system, the thermostat comprising a controller operable to perform operations that include receiving an energy budget for a site, the energy budget including an allocated maximum total energy usage by energy loads of the site over a predetermined time duration. The method further includes generating an energy usage forecast for the energy loads over the predetermined time duration; and based at least in part on a determination that the energy usage forecast exceeds the energy budget, generating an energy usage reduction plan. The energy usage reduction plan includes instructions operable to control one or more of the energy loads such that an actual total energy usage by the energy loads over the predetermined time duration does not exceed the energy budget. The energy loads include the HVAC system.
F24F 11/65 - Electronic processing for selecting an operating mode
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
88.
SYSTEM AND METHOD FOR HEAT ENERGY EXCHANGE WITH ELECTRIC ENERGY STORAGE CAPABILITIES
Disclosed embodiment of an energy system comprises an electric energy storage subsystem that comprises an electrolyte storage tank containing a first electrolyte and a second electrolyte, and a first electrolyte pump and a second electrolyte pump. The energy system further comprises a heat energy exchange subsystem comprising one or more heat exchange coils connected to the electrolyte storage tank. The first electrolyte pump and the second electrolyte pump are respectively configured to drive a fluid movement of the first electrolyte and the second electrolyte between the electrolyte storage tank and the heat exchange subsystem through the one or more heat exchange coils. The fluid movement of the first electrolyte and the second electrolyte through the one or more heat exchange coils causes a first heat exchange between the first electrolyte and the second electrolyte respectively and a first heat exchange medium comprised in the heat energy exchange subsystem.
A microchannel tube for an inlet manifold of an evaporator having a downward flow configuration is disclosed. The tube is a hollow member comprising a plurality of channels configured therewithin and extending parallelly between opposite ends of the tube. One end of the tube is adapted to be disposed of within the inlet manifold such that a first section of the tube remains disposed of within the manifold and the tube protrudes at a predefined angle in a downward direction from the inlet manifold. Further, a predetermined area of a first wall and/or a second wall of the first section of the tube, at a bottom end of the first section, is removed such that the plurality of channels of the tube are exposed to a fluid present in the manifold via the predetermined removed area.
A system and method for predicting ice gradient in refrigeration units is disclosed, comprising steps of capturing data pertaining to parameters of the refrigeration units, correlating the received parameters to generate characteristic features indicative of behaviour and performance of the one or more refrigeration units, generating events based on the generated characteristic features, identifying a frosting pattern associated with the refrigeration units by analyzing the generated events, determining a quantum of icing and a rate of ice formation in the refrigeration units based on the identified frosting pattern, and predicting ice gradient associated with the refrigeration units based on the determined quantum of icing and the rate of ice formation.
A refrigerant distribution and charge balancing system for a heat exchanger and heat pump is disclosed. The system comprises an auxiliary header that is adapted to be fluidically coupled to a first header of the heat exchanger using one or more tube stubs. The auxiliary header is configured at a predefined distance from the first header. The auxiliary header is adapted to be fluidically coupled to a supply tube associated with a refrigerant line of the heat exchanger.
F28F 1/02 - Tubular elements of cross-section which is non-circular
F28F 1/32 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
92.
REFRIGERATION SYSTEM FOR TRANSPORT REFRIGERATION VEHICLE AND HEAT DISSIPATION METHOD FOR ELECTRONIC COMPONENTS THEREIN
The refrigeration system comprises: a main refrigeration circuit comprising a compressor, a condenser, a main throttling element, and an evaporator that are sequentially connected, where the evaporator is configured to provide refrigeration to a storage compartment of the transport refrigeration vehicles; an electronic component heat dissipation circuit configured to provide heat dissipation for electronic components; wherein, the electronic component heat dissipation circuit comprises an associated heat exchanger, in which refrigerant in the electronic component heat dissipation circuit exchanges heat with refrigerant from a first branch of the main refrigeration circuit, where the first branch extends from between the condenser and the main throttling device on the main refrigeration circuit, and is in communication with an EVI inlet of the compressor through a first throttling element and the associated heat exchanger.
B60H 1/00 - Heating, cooling or ventilating devices
93.
TRANSPORT REFRIGERATION UNIT, AND SYSTEM AND METHOD FORAUTOMATICALLY SWITCHING FROM FIRST POWER MODE TO SECONDPOWER MODE OF TRANSPORT REFRIGERATION UNIT
A system for automatically switching from a first power mode to a second power mode of a transport refrigeration unit (TRU) is disclosed, including a processor configured to activate a geo-fencing mode of the TRU operating in the first power mode. The activation of the geo-fencing mode triggers a continuous and automatic determination of geo-location coordinates of the TRU. The processor is further configured to determine if the TRU is on board a marine vessel in a first geographical region responsive to the activation of the geo-fencing mode. The processor is further configured to automatically switch from the first power mode to the second power mode for the TRU based on a positive determination. The first power mode corresponds to a combustion-driven power source and the second power mode corresponds to a stand-by power source.
Embodiments of the disclosure are directed towards systems and methods for regulating a water heater via a thermostat. The thermostat comprises a receiver configured to receive one or more inputs from one or more sensors configured to monitor, for a predefined duration of time, usage pattern of the water heater. Further, the thermostat comprises a controller configured to determine, via a machine learning neural network, a scheduling pattern for hot water based on the monitored usage pattern. The controller is further configured to operate the water heater based on the scheduling pattern.
A refrigeration circuit with thermal storage is disclosed. The circuit refrigeration comprises a gas-cooler comprising an inlet, and an outlet, and a compressor unit comprising one or more compressors. The outlet of the compressor unit is fluidically connected to the inlet of the gas-cooler. The refrigeration circuit comprises evaporators comprising an inlet, and an outlet, where the outlet of the evaporators is fluidically coupled to the inlet of the compressor unit. The refrigeration circuit comprises a flash tank fluidically connected between the gas-cooler and the compressor unit, and the evaporators and the compressor unit. Further, the circuit refrigeration comprises a thermal battery fluidically coupled to the gas-cooler, the flash tank, the compressor unit, and the evaporators. The thermal battery is used as a heat source and a heat sink based on the energy pricing of an electric grid to optimize the operation of the gas-cooler, evaporators, and the compressors.
A refrigerant circuit for a variable frequency drive (VFD) heat sink is disclosed. The refrigerant circuit comprises one or more channels machined in a predefined profile and positioned in thermal contact with a VFD. The channels are adapted to allow the flow of a cooling fluid therethrough to facilitate the dissipation of heat generated by the VFD. The channels are machined in the predefined profile such that each of the machined flow path comprises a predefined number of turns or a predefined number of passes.
A vertical door latch assembly includes a housing and a bolt movably attached to the housing having a catch portion. A drive motor is located within the housing and is configured to selectively move a lock assembly between a locked position preventing movement of the bolt and an unlocked position allowing movement of the bolt. A controller is in electrical communication with the drive motor and is configured to direct the actuator lock assembly between the locked position and the unlocked position. A force sensor is in electrical communication with the controller configured to measured when a force exceeds a predetermined threshold.
A method for managing power supply during charging operation of BEVs. The method includes establishing a communication with each of the slave devices installed in the BEVs and receiving input data from the slave devices in real-time via a communication interface. The method further includes calculating a total power currently utilized by a plurality of TRUs based on the received input data and determining a probability whether the calculated total power exceeds a maximum allowed power provided by the primary grid network during the charging operation in case a new charging request is received from a new slave device. Thereafter, the method further includes regulating, based on the determined probability, a power allocation of a group of TRUs among the plurality of the TRUs such that the total calculated power remains below a saturation point of the maximum allowed power.
An electronic air cleaner includes a control housing having an internal cavity, an ion generation power supply arranged within the internal cavity and a brush assembly having at least one electrode directly connected to the ion generation power supply.
An exemplary heating ventilation and cooling (HVAC) system includes a multi-phase power input, an AC-DC rectifier connected to a DC-AC inverter via a DC power bus, a multi-phase power output connecting the DC-AC inverter to a fan blower motor, and at least one redundancy power system. The redundancy power system is configured to bypass at least one of the AC-DC rectifier and the DC-AC inverter.
F24F 11/72 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
H02M 7/217 - Conversion of ac power input into dc power output without possibility of reversal 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 7/537 - 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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
