A method of performing thermal management of an energy storage device includes providing an energy storage device selectively connectable to an air conditioning system and including a plurality of individual cells. The method includes evaluating a temperature of the plurality of individual cells to determine a most relevant temperature parameter of the energy storage device, comparing the most relevant temperature parameter of the energy storage device to a desired operating temperature range of the energy storage device, and adjusting one or more parameters associated with the energy storage device in response to determining that the most relevant temperature parameter of the energy storage device is outside of the desired operating temperature range.
H01M 10/633 - Control systems characterised by algorithms, flow charts, software details or the like
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 10/663 - Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
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
2.
HYBRID THERMAL MANAGEMENT METHOD FOR BATTERY INTEGRATED RESIDENTIAL HEAT PUMP
An air conditioning system includes a vapor compression loop including a compressor, an expansion device, a first heat exchanger, and a second heat exchanger. A working fluid is configured to circulate within the vapor compression loop. An electric energy storage device is selectively operable to supply power to a component of the air conditioning system. A thermal management system is associated with the electric energy storage device. The thermal management system includes a first heat transfer component and a second heat transfer component. The first heat transfer component is thermally coupled to the vapor compression loop during cooling of the electric energy storage device and the second heat transfer component is thermally coupled to the vapor compression loop during heating of the electric energy storage device.
H01M 10/6569 - Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
H01M 10/663 - Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
3.
THERMAL MANAGEMENT SYSTEM WITH FLUID CIRCUIT FOR ENERGY STORAGE DEVICE IN AIR CONDITIONING SYSTEM
A system includes an air conditioning system including: a first unit having a compressor and a first heat exchanger; a second unit having a second heat exchanger; the air conditioning system configured to circulate a refrigerant between the first unit and the second unit; an energy storage device configured to power the compressor; a controller; and a thermal management system having a third heat exchanger, the third heat exchanger configured to receive refrigerant from the air conditioning system in certain modes of operation; the thermal management system configured to supply fluid to the energy storage device to provide one of heating and cooling of the energy storage device.
H01M 10/663 - Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
A valve assembly for use in a rack cooling circuit includes a valve body having a first end, a second end, and a primary channel arranged within an interior of the valve body and extending between the first end and the second end. A first valve is associated with the valve body and is operable to control a flow through the valve body along the primary channel. A secondary channel is arranged within the interior of the valve body. The secondary channel is arranged at a non-parallel angle relative to the primary channel. An upstream end of the secondary channel is fluidly connected to the primary channel at a location downstream from the first valve. A second valve is associated with the valve body and is operable to control a flow through the secondary channel.
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
F16K 5/08 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary Details
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
An independent dehumidification element is provided. The independent dehumidification element includes pluralities of elements disposable in an airstream. The surface of at least one element of the plurality of elements includes an adsorbent coating. The adsorbent coating includes at least two or more solid adsorbents that differ from one another in one of a homogenous mixture and a heterogenous combination.
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
B01D 53/28 - Selection of materials for use as drying agents
B01J 20/10 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
B01J 20/22 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising organic material
F28F 13/18 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflectingArrangements for modifying heat transfer, e.g. increasing, decreasing by surface treatment, e.g. polishing
6.
ADAPTIVE CONTROLOF GRID-SERVICE ENABLED EQUIPMENT WITH INTEGRATED ENERGY STORAGE
According to embodiments, a cloud-native predictive control system includes a cloud-based (CB) controller that includes a processor and a memory. The CB controller is configured to perform CB controller operations that include electronically storing in the memory a grid-service schedule that includes scheduled future energy storage device (ESD) tasks of an ESD. The ESD is configured to selectively provide power to equipment. A predictive algorithm is executed to generate, based at least in part on a current ESD condition of the ESD, a predicted future ESD condition of the ESD. A first scheduled future ESD task is accessed from the scheduled future ESD tasks. Responsive to a determination by the predictive algorithm that the first scheduled future ESD task is in conflict with the predicted future ESD condition, a conflict resolution operation is executed.
A system includes an air conditioning system including: a first unit having compressor and first heat exchanger; a second unit having a second heat exchanger; the air conditioning system configured to circulate a refrigerant between the first unit and the second unit; an energy storage device; power electronics configured to power the compressor from the energy storage device; a controller; a thermal management system including: a pump configured to circulate liquid in a liquid circuit; a heat sink coupled to the liquid circuit and configured to cool the power electronics; a third heat exchanger, the third heat exchanger configured to receive refrigerant from the air conditioning system and the liquid in the liquid circuit; a fourth heat exchanger in thermal communication with the energy storage device and configured to receive liquid in the liquid circuit; a fifth heat exchanger configured to receive liquid in the liquid circuit; and a fan.
F24F 11/77 - Control systems characterised by their outputsConstructional 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 11/84 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
F24F 13/30 - Arrangement or mounting of heat-exchangers
8.
LIQUID COOLED THERMAL MANAGEMENT FOR BATTERY INTEGRATED RESIDENTIAL HEAT PUMP
An air conditioning system includes a vapor compression loop having a compressor, a first expansion device, a second expansion device, a first heat exchanger, a second heat exchanger, and a working fluid is configured to circulate within the vapor compression loop. An electric energy storage device is selectively operable to supply power to a component of the air conditioning system and a thermal management system is thermally and fluidly coupled to the vapor compression loop at a position between the first expansion device and the second expansion device. Expansion of the working fluid within at least one of the first expansion device and the second expansion device is controllable in response to a thermal demand of the electric energy storage device.
H01M 10/663 - Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
An air conditioning system has a vapor compression loop including a compressor, an expansion device, a first heat exchanger, and a second heat exchanger and a working fluid is configured to circulate within the vapor compression loop. An energy storage device is selectively operable to supply power to the air conditioning system and a thermal management system associated with the energy storage device. During operation of the vapor compression loop in a first mode, the thermal management system is thermally couplable to the vapor compression loop via a first bypass flow path and during operation of the vapor compression loop in a second mode, the thermal management system is thermally couplable to the vapor compression loop via a second bypass flow path.
H01M 10/663 - Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
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.
This application provides a screw compressor and a refrigeration system including the screw compressor. Specifically, the screw compressor including an economizer. A second muffler reaction chamber is disposed on an economizer pipeline, which connects the economizer and a compressor, at a position close to a first muffler reaction chamber, pressure pulsation in the economizer pipeline is mainly caused by a large pressure difference between a refrigerant gas in a compression chamber and a refrigerant gas in the economizer pipeline, by controlling a distance between the second muffler reaction chamber and the first muffler reaction chamber, after the pressure pulsation transmitted from the compression chamber of the compressor passes through the first muffler reaction chamber and the second muffler reaction chamber, good pressure pulsation attenuation can be achieved, an effective pulsation attenuation frequency range can be greatly widened to adapt to pressure pulsation generated by the compressor under different frequency conditions.
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
A system includes an air conditioning system including: a first unit having a compressor and a first heat exchanger; a second unit having a second heat exchanger; the air conditioning system configured to circulate a refrigerant between the first unit and the second unit; an energy storage device configured to power the compressor; a controller; a thermal management system having a third heat exchanger, the third heat exchanger configured to receive refrigerant from the air conditioning system in certain modes of operation to provide one of heating and cooling of the energy storage device.
A heat removal device operable to cool a heat-generating device includes a housing having a hollow interior and a base arranged within the hollow interior of the housing. The base includes a contact surface and a cooling surface. The contact surface is thermally couplable to the heat-generating device. At least one fin including a plurality of fin segments is arranged at the cooling surface. At least one of the plurality of fin segments includes a plurality of louvers.
A compressor system of a transport refrigeration system includes a compressor having a compressor housing, a compressor base located at a bottom of the compressor housing, and a compressor head arranged at a top of the compressor housing. The compressor is secured within the transport refrigeration system at a plurality of attachment points. At least one attachment point of the plurality of attachment points is arranged at the compressor base and a single attachment point of the plurality of attachment points is arranged at the compressor head.
A modular unit is provided and includes a housing defining first and second interiors, first and second desiccant-coated heat exchanger assemblies disposed in the first and second interiors, respectively, an airflow system and a thermal system. The airflow system operates in and switches between first and second modes in which air moves through the first and second desiccant-coated heat exchanger assemblies in different directions, respectively, for dehumidifying the air in one of the first and second interiors and rejecting humidified air from another one of the first and second interiors. The thermal system is configured to thermally facilitate dehumidification in the one of the first and second interiors and to apply regenerating heat to the one of the first and second desiccant-coated heat exchanger assemblies in the another one of the first and second interiors.
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 treatmentApparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidificationAir-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 treatmentApparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by dehumidification
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
A virtual power plant (VPP) system, having: HVAC appliances, distributed among buildings, energy storage systems (ESSs) distributed among the buildings and coupled to the appliances, a appliance controllers distributed among the buildings and coupled to the appliances and the ESSs, a system controller configured to: receive a first request, from a power utility, querying an availability of power; transmit to the power utility a first response indicative of a first quantity of available power, indicative of available power in the ESSs; receive a second request from the power utility to utilize a second quantity of the available power; and transmit, to the appliance controllers, first instructions to set the ESSs to a discharge state, to power corresponding ones of the appliances with the available power, wherein a total amount of power discharged from the ESSs corresponds to the second quantity of the available power.
An air conditioning system includes a first unit including having a housing; a compressor contained within the housing; an enclosure including: an energy storage device; a power converter coupled to the energy storage device, the power converter configured to supply electrical power to the compressor; wherein the enclosure is mounted on or inside the housing.
A cooling module associable with a heat-generating electronic device of a server includes a casing having a hollow interior and at least one heat removal device arranged within the hollow interior. A fluid flow path of a primary cooling fluid extends through the casing and the at least one heat removal device defines a portion of the fluid flow path. The primary cooling fluid is configured to absorb heat from the heat-generating electronic device within the cooling module.
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
F24F 11/30 - Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
F24F 11/52 - Indication arrangements, e.g. displays
G01N 31/22 - Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroupsApparatus specially adapted for such methods using chemical indicators
A cooling device associable with a heat-generating electronic device of a server includes a housing having a fluid inlet and a fluid outlet and a divider separating the interior of the housing into a first fluid compartment and a second fluid compartment. Both the first fluid compartment and the second fluid compartment are fluidly connected to the fluid inlet. A heat transfer potential of the second fluid compartment is less than the heat transfer potential of the first fluid compartment. At least one opening is formed in the divider at a location downstream from the fluid inlet and upstream from the fluid outlet. The first fluid compartment is fluidly coupled to the second fluid compartment at the at least one opening.
A heat exchanger includes a plurality of plate fins. At least one plate fin has a plurality of holes arranged in one or more rows and a contoured region formed adjacent one of the plurality of holes having a sinusoidal corrugation. The contoured region includes a plurality of elongate adjustable lance elements. The plurality of elongate adjustable lance elements are lowered relative to a central plane arranged at a midpoint of an amplitude of the sinusoidal corrugation.
A method of producing a porous scaffold for solid desiccant is provided. The method includes dissolving a scaffold precursor and dispersing desiccant particles in a solvent to create a mixture, placing a substrate in the solvent with the mixture, encouraging the scaffold precursor and the desiccant particles to collect on surfaces of the substrate and to grow crystals therefrom, removing the solvent while leaving the scaffold precursor as a porous scaffold on which the desiccant particles are supported and at least partially exposed and consolidating the porous scaffold with the desiccant particles supported thereon and at least partially exposed.
B01J 20/22 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising organic material
B01J 20/10 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
An air conditioning system includes an inverter and a power factor correction circuit in signal communication with the inverter. The inverter converts a DC voltage delivered from a DC voltage supply into an AC voltage. The power factor correction circuit delivers an AC line voltage across an AC voltage line based on the AC voltage and outputs an AC line voltage signal that is indicative of the AC line voltage. An inverter controller receives a feedback of the AC voltage from the inverter and receives an AC line signal from the PFC circuit. The inverter control selectively operates in a first mode to control the inverter based on the AC line voltage signal and a second mode to control the inverter based on the feedback of the inverter output.
A home energy management system (HEMS) includes a power supply configured to provide alternating current (AC) power, at least one load electrically connected to the power supply, and a modular multi-level (MMC) converter configured to receive power from the power supply and to supply a regulated converter output to the at least one load. The MMC includes one or more converter branches and a filter. The converter branch is in signal communication with the power supply and includes a plurality of bridge cells. Each bridge cell includes a plurality of power switches and a battery. The filter is electrically connected between the at least one load and the at least one converter branch. The filter is configured to reduce harmonic distortion and high-frequency noise in the converter output.
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
28.
EFFICIENT HIGH-DENSITY ENERGY STORAGE FOR EQUIPMENT
An energy storage device (ESD) system includes a battery module that includes individual cases. Each of the individual cases includes a battery cell. The ESD system further includes an ESD pump and a battery management system (BMS). The ESD pump is operable to flow immersion fluid into, through, and out of the battery module and the individual cases. The BMS is operable to make a determination that a status of the battery cell is out-of-range, and, responsive to the determination that the status of the battery cell is out-of-range, control operations of the ESD pump.
H01M 10/6568 - Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 50/213 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
According to embodiments, an energy storage device (ESD) holder includes a main body, one or more ESD openings in the main body, and one or more vacancy regions in the main body. Each of the one or more vacancy regions is operable to hold a fluid. A first ESD opening of the one or more ESD openings is operable to prevent the fluid from contacting an ESD within the first ESD opening.
H01M 10/633 - Control systems characterised by algorithms, flow charts, software details or the like
H01G 11/18 - Arrangements or processes for adjusting or protecting hybrid or EDL capacitors against thermal overloads, e.g. heating, cooling or ventilating
An electronics enclosure system includes an enclosure, one or more electronics racks positioned in the enclosure and a cooling system to cool the one or more electronics racks. The cooling system includes a plurality of spray nozzles positioned inside the enclosure and configured to spray a cooling fluid onto the electronics rack to cool the electronics rack. The plurality of spray nozzles are operably connected to a vapor compression circuit configured to cool the cooling fluid. A method of cooling an electronics rack includes positioning one or more electronics racks in an enclosure, operating a cooling system to spray a cooling fluid onto the electronics rack from a plurality of spray nozzles positioned inside the enclosure to cool the electronics rack, and cooling the cooling fluid via a vapor compression circuit operably connected to the plurality of spray nozzles.
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
31.
SYSTEM AND METHOD FOR CONTROLLING A DUAL-FUEL HEATING SYSTEM IN A VIRTUAL POWER PLANT DURING PERIODS OF PEAK DEMAND TO REDUCE CONSUMPTION ON A POWER GRID
A heating system having a first heating appliance powered by electricity provided via: a transmission line from an electric power grid that provides electricity to a plurality of buildings including the building; a second heating appliance powered via a fuel; and a controller operationally coupled to the first heating appliance and the second heating appliance, and configured to receive control signals over a telecommunications network, wherein the control signals are associated with reducing consumption of electricity via the electric power grid, wherein, responsive to receiving the control signals, the controller is configured to switch between powering the first heating appliance via the electric power grid and the second heating appliance with the fuel.
This application provides a bearing device, and a motor and a compressor including the bearing device. The bearing device includes a rotating shaft, a first bearing and a second bearing disposed around the rotating shaft and parallel to each other, a thrust disc sleeved on and fixed to the rotating shaft, and a sensor disc disposed around the rotating shaft and parallel to the thrust disc. A first displacement sensor including a first sensor probe and a second displacement sensor including a second sensor probe are symmetrically disposed on the sensor disc. By connecting the first displacement sensor, the second displacement sensor, and an excitation source module in parallel or in series, detection results of the first sensor probe and the second sensor probe are combined to obtain a degree of deviation of the rotating shaft.
A transportation refrigeration system, having: a cargo box extending from a front end to an aft end; a transportation refrigeration unit (TRU) at the front end of the cargo box; wherein the TRU includes: a controller; a flow motivator; an evaporator coil; a first temperature sensor mounted near the evaporator coil; and a second temperature sensor mounted within the cargo box; wherein the controller is configured to cycle the flow motivator between an on-phase when a cargo box temperature is at or above an upper setpoint and an off-phase when the cargo box temperature is at a lower setpoint; and wherein following a defrost event that defrosts the evaporator coil, the controller is configured to monitor the second temperature sensor for determining when to transition between the on-phase and the off-phase, until a stable condition of the first sensor is determined.
A cooling system includes a heat removal device operable to cool a stacked microchip assembly. The heat removal device includes a structure having a first end, a second end, at least one sidewall extending between and connecting the first end and the second end, and a hollow interior. The stacked microchip assembly is positionable within the hollow interior. An inlet cavity and an outlet cavity are arranged within the hollow interior and are fluidly connectable to at least one passageway formed in the stacked microchip assembly. An inlet opening is formed in the structure and is fluidly connected with the inlet cavity. An outlet opening formed in the structure is fluidly connected with the outlet cavity. A first cooling fluid is movable from the inlet cavity to the outlet cavity through the at least one passageway formed in the stacked microchip assembly.
An air conditioning system, having: a heat pump having a heat pump coil, a fan coil unit (an FCU) having an FCU coil, a first conduit and a second conduit connecting the heat pump to the FCU coil, wherein the first conduit, the second conduit, the heat pump coil and the FCU coil define a loop; a working fluid in the loop; and a thermal energy storage unit (a TES unit) coupled to the first conduit; a thermal expansion valve (a TXV) including a TXV body coupled to the second conduit, and a bulb coupled to the first conduit, between the TES unit and the heat pump.
This application relates to a magnetic suspension bearing control system, a control method and refrigeration equipment. The magnetic suspension bearing control system includes: a magnetic suspension bearing control module configured to control a magnetic suspension bearing; a battery management module electrically connected to the magnetic suspension bearing control module; and a master control module connected to the magnetic suspension bearing control module and the battery management module, and configured to control the battery management module to store electric energy when a voltage of the magnetic suspension bearing control module is excessive, and supply power to the magnetic suspension bearing control module when the magnetic suspension bearing control module is underpowered.
H02M 1/32 - Means for protecting converters other than by automatic disconnection
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H02J 9/00 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
H02K 7/09 - Structural association with bearings with magnetic bearings
H02M 1/12 - Arrangements for reducing harmonics from AC input or output
37.
SYSTEM AND METHOD THAT IDENTIFIES A HEALTH STATE OF AN ENERGY STORAGE SYSTEM OF A SYSTEM THAT CONDITIONS AIR
A system for conditioning air, the system having: a controller; an energy storage system (ESS) that is a battery, wherein the ESS is operable to power the system; and an AC power bus for connecting the system to an AC power grid to selectively charge the ESS; wherein the controller is configured to: request, from the ESS, health state data of the ESS; determine a health state of the ESS from the health state data; and request a replacement ESS responsive to the health state of the ESS.
SYSTEM AND METHOD FOR CONTROLLING A CHARGE OR DISCHARGE RATE OF A BATTERY PACK, COUPLED WITH GRID POWER, UTILIZED FOR POWER OPERATION OF AIR CONDITIONING SYSTEMS
An air conditioning system having: a controller; an energy storage device including a battery pack, wherein the energy storage device is operable to power the air conditioning system; and an AC power bus for connection the air conditioning system to an AC power grid to selectively charge the battery pack; wherein the controller is configured to: receive a request to charge or discharge the battery pack within a time window; determine whether the battery pack will remain within a predetermined operating temperature range while being charged or discharged within the time window, and responsive to a determination, either charging or discharging the battery pack, pursuant to the request, or denying the request.
Disclosed herein is an air handling unit for use with an air conditioning system. The air handling unit comprises a housing duct through which air is moved from an inlet to an outlet, a blower disposed inside the housing duct, configured for moving air within the housing duct, and a heater module coaxially disposed inside the housing duct along a direction of flow of air, wherein the heater module comprises a frame formed by a mesh of rods, configured to be removably disposed inside the housing duct, and a heating element, removably attached to and supported on the frame such that the heating element remains coaxially disposed inside the housing duct. The shape of the heating element is selected based on an airflow pattern of air flowing through the heater module such that the air flows through the heating element.
F24F 1/0093 - Indoor units, e.g. fan coil units characterised by heating arrangements with additional radiant heat-discharging elements, e.g. electric heaters
F24F 7/06 - Ventilation with ducting systems with forced air circulation, e.g. by fan
F24F 11/89 - Arrangement or mounting of control or safety devices
40.
POWER MANAGEMENT SYSTEM FOR A TRANSPORT REFRIGERATION UNIT
A vehicle (100) for transporting goods includes a transport refrigeration unit (150); an engine (110); and a power management system (200; 300; 400). The power management system (200; 300; 400) includes a battery unit (240; 340; 440) electrically connected to the transport refrigeration unit (150); and a generator (230; 330; 430) mechanically connected to the engine (110), the generator (230; 330; 430) being configured to be mechanically driven by the engine (110) and to supply electrical power to the battery unit (240; 340; 440). The power management system (200; 300; 400) is configured to supply electrical power to the transport refrigeration unit (150) from the battery unit (240; 340; 440) responsive to a power demand of the transport refrigeration unit (150).
B60H 1/00 - Heating, cooling or ventilating devices
B60P 3/20 - Vehicles adapted to transport, to carry or to comprise special loads or objects for transporting refrigerated goods
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
41.
CONTROL SYSYEM ARCHITECTURE FOR HEAT EXCHANGER CORROSION PREVENTION FOR LIQUID DESICCANT-BASED HEATING, VENTILATION, AIR-CONDITIONING AND REFRIGERATION SYSTEMS
A liquid desiccant (LD)-based dehumidification system is provided for heating, ventilation, air conditioning and refrigeration (HVAC&R) systems. The LD-based dehumidification system includes a tank containing LD, a contact media device including media for disposition in a flow of air to be dehumidified and a sump disposed below the media to receive LD drained from the media, a pump and valve system to pump the LD from the tank to the contact media device to wet the media and from the sump to the tank, a heat exchanger through which LD, which is pumped from the sump to the tank, flows, a sensing system to sense one or more conditions of the LD and a controller to control the pump and valve system in accordance with a system status and the one or more conditions of the LD.
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 treatmentApparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidificationAir-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 treatmentApparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by dehumidification
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
Disclosed herein is a thermal energy storage (TES) system. The TES includes two or more energy storage blocks comprising a phase-change material, the energy storage blocks being arranged ordinally with respect to a corresponding nominal phase change temperature of the energy storage blocks, and two or more fluid lines routed through the one or more energy storage blocks. A first fluid line and a second fluid line from the two or more fluid lines are configured to circulate a corresponding fluid in opposite directions with respect to the one or more energy storage blocks. The ordinal arrangement provides increased efficiency for heat storage and/or transfer, as a fluid circulated through the first fluid line incrementally/decrementally rejects heat to the energy storage blocks.
Described herein is a heating, ventilation, and air conditioning (HVAC) system coupled to a domestic hot water (DHW) system. The HVAC system includes an indoor unit, at least one of the DHW system and/or a thermal energy storage module, an outdoor unit having a compressor and an outdoor heat exchanger, and a flow control assembly configured to selectively fluidically couple any or a combination of the indoor unit, the DHW system, the compressor, the thermal energy storage module, and/or the outdoor heat exchanger, among other components.
F24F 11/875 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling heat-storage apparatus
F24F 5/00 - Air-conditioning systems or apparatus not covered by group or
F24F 11/84 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
44.
LOAD SHIFTING USING FLOW CONTROL ASSEMBLY IN HEAT PUMP INTEGRATED WITH THERMAL ENERGY STORAGE
Described herein is a heat pump including an outdoor unit and an indoor unit (IDU), a thermal energy storage (TES) module, and a flow control assembly. The flow control assembly includes a check valve assembly fluidically coupled to the outdoor unit, and a selective flow assembly fluidically coupled to the check valve assembly and in selective fluidic communication with the IDU and/or the TES module, where the selective flow assembly is configured to selectively direct a fluid between at least one of, the IDU and/or the TES module and the check valve assembly.
An energy system having: a heating, ventilation and/or air conditioning (HVAC) system that includes an HVAC branch loop with an HVAC conditioning flow that flows in one direction or bidirectionally; a battery energy storage system (ESS) that includes a battery pack, having batteries, configured for an operating temperature within a target temperature range, an ESS conditioning loop with an ESS conditioning flow, wherein the ESS conditioning loop is thermally coupled to the battery pack, and the HVAC branch loop and the ESS conditioning loop are fluidly isolated from each other; a heat exchanger, wherein the HVAC branch loop and the ESS conditioning loop are thermally coupled to each other via the heat exchanger; and a controller configured to control flow within the HVAC branch loop and the ESS conditioning loop such that the battery pack operates within the target temperature range.
Described herein is a fuel identification and flame behavior monitoring system. The system comprises one or more sensors configured to monitor photons emitted from a flame emission during combustion of a fuel and correspondingly generate one or more spectrum signals associated with one or more radicals generated from the flame emission. A controller in communication with the one or more sensors is configured to determine a fuel composition of the fuel based on a variation in the one or more generated spectrum signals. The one or more generated spectrum signals vary based on an intensity ratio associated with the one or more radicals.
F23N 5/08 - Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements
F23N 1/02 - Regulating fuel supply conjointly with air supply
A liquid desiccant (LD)-based dehumidification system is provided for heating, ventilation, air-conditioning and refrigeration (HVAC&R) systems. The LD-based dehumidification system includes a contact media device including media for disposition in a flow of air to be dehumidified, surfactant and LD to wet the media. The LD is dosed with the surfactant to adjust a wettability of the media by the LD.
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 treatmentApparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidificationAir-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 treatmentApparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by dehumidification
48.
CONTROLLING A VARIABLE-SPEED HEATING, VENTILATION AND AIRCONDITIONING SYSTEM USING A NON-COMMUNICATING TWO-STAGE THERMOSTAT
A variable-speed heat, ventilation and air conditioning (HVAC) system is provided and includes a thermostat configured to issue first, second and off signals in various combinations and sequences and an HVAC unit receptive of the first, second and off signals and configured to become non-operative and to operate in one of more than three stages responsive to the HVAC unit receiving the first, second and off signals in the various combinations and sequences with increasingly higher stages being associated with the HVAC unit delivering increasingly higher capacity.
F24F 11/86 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
49.
AIR PURIFICATION COMPONENTS, AIR CONDITIONING DEVICES
This application provides an air purification component and an air conditioning device. The air purification component includes: an outer housing that is cylindrical and rotatably arranged in an air duct; an opening provided on a cylindrical surface of the outer housing; an inner housing extending in an axial direction of the outer housing and built into the outer housing; an opening provided on a cylindrical surface of the inner housing; an ionizer fixing portion disposed on an inner surface of the inner housing; and an ionizer fixed to the ionizer fixing portion. The device according to this application can be driven by wind to ensure a self-cleaning function with zero energy consumption of the ionizer.
F24F 8/30 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
A power generation system for transportation refrigeration is provided. The power generation system includes a transport refrigeration unit (TRU) and an electrical system. The electrical system includes first and second battery packs disposed in parallel and independent from one another. The electrical system is configured to supply the TRU with electricity from only the first battery pack at a first time and from only the second battery at a second time and switch between the first and second battery packs exclusively supplying the TRU with electricity, transparently to the TRU, at an instant between the first and second times such that the TRU remains powered during the instant.
A cooling distribution unit associated with at least one rack system of a data center includes a first cooling system having a primary cooling circuit through which a heat transfer fluid is configured to circulate, a heat exchanger, a cooling system load arranged downstream from the heat exchanger relative to a flow of the heat transfer fluid, and at least one valve. A second cooling system having a secondary cooling circuit through which a coolant is configured to circulate includes a pump. The second cooling system is thermally coupled to the first cooling system at the heat exchanger. The heat transfer fluid provided to the cooling system load has a first constant temperature as a load at the heat exchanger varies.
A transportation refrigeration system is provided and includes a trailer refrigeration unit (TRU), a battery to provide electricity for the TRU, an electrical system and a controller. The electrical system includes a direct current (DC) bus electrically interposed between the battery and the TRU. The electrical system further includes an inverter and a boost converter disposed on the DC bus. The controller includes a memory unit storing first, second and third efficiency tables for the TRU, the inverter and the boost converter, respectively, and a processor. The processor sets an operational target for the TRU and achieves the operational target by controlling the inverter and the boost converter according to a voltage of the battery, the first, second and third efficiency tables and real-time operating conditions.
A cooling system includes a refrigeration circuit and a coolant circuit for cooling a working fluid to meet a cooling demand. The coolant circuit is thermally coupled to the refrigeration circuit. A free cooling circuit is in selective thermal communication with the refrigeration circuit and is in selective thermal communication with the coolant circuit.
A cooling distribution unit associated with at least one rack system of a data center includes a first cooling system having a primary cooling circuit through which a heat transfer fluid is configured to circulate and including a heat exchanger. A second cooling system has a secondary cooling circuit through which a coolant is configured to circulate and includes a pump. The second cooling system is thermally coupled to the first cooling system at the heat exchanger. A pressure at the pump remains constant as a load at the first heat exchanger varies.
A method of automating a pressure decay integrity test of a container configured for refrigeration by a transportation refrigeration unit (TRU) is provided. The method includes connecting a controller programmed with an automated pressure decay integrity test of the container to a compressor of the TRU and a pressure transducer installed in the container and executing the automated pressure decay integrity test by the controller. The executing includes activating the compressor to pressurize the container, receiving readings of the pressure transducer and determining, from the readings, whether the automated pressure decay integrity test is passed.
F25D 29/00 - Arrangement or mounting of control or safety devices
G01M 3/32 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
56.
METHOD AND SYSTEM FOR CONTROLLING OPERATION OF AN INDUCER MOTOR OF A COMBUSTION SYSTEM
Embodiments of the disclosure describe a method and a system for controlling an operation of an inducer motor of a furnace system. The method includes receiving an input comprising one or more of experimental data, field test data, and operational information associated with the furnace system along with associated environmental condition data. The method also include establishing a relationship associated with torque signals and motor speed of the inducer motor to a precise airflow rate based on the received input. The method further includes controlling the operation of the inducer motor based at least on the established relationship and a required mass flow rate of the air in the furnace system.
A heating, ventilation and air-conditioning (HVAC) system is provided. The HVAC system includes a first HVAC unit, a second HVAC unit including a battery, a panel receptive of grid power and a switch element. The switch element is separate from the panel and configured to assume a first state in which electricity is transmissible from the panel to the first and second HVAC units when the grid power is available and a second state in which electricity is transmissible from the battery to the first HVAC unit when the grid power is unavailable.
F24F 11/46 - Improving electric energy efficiency or saving
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
A vapor compression system includes a compressor, a condenser, an expansion device, and an evaporator fluidly connected to form a closed fluid loop having a working fluid circulating therethrough. A thermal storage device includes a storage material and the thermal storage device is thermally coupled to the closed fluid loop downstream from the expansion device relative to a flow of the working fluid. The vapor compression system is controllable such that the thermal storage device is operable to both store heat and release heat as the working fluid circulates through the closed fluid loop in a given direction.
Heating and cooling systems include a heat exchanger assembly having a cooling element arranged within a heat exchanger housing, the heat exchanger housing defining a flow path from an inlet of the housing to an opening at an outlet of the heat exchanger housing. A deflector plate is arranged at the outlet of the heat exchanger housing, the deflector plate being configured to cause a backpressure within the heat exchanger housing of the heat exchanger assembly.
A method is provided for controlling a variable-speed heat, ventilation and air conditioning (HVAC) system. The method includes, responsive to a first signal, determining a system capacity and providing the system capacity by the variable-speed HVAC system to a space, responsive to the first signal and a second signal, providing a system maximum capacity by the variable-speed HVAC system to the space and, responsive to an off signal, shutting off of the variable-speed HVAC system.
An air conditioning system includes a vapor compression loop including a compressor, an expansion device, a first heat exchanger, a second heat exchanger, wherein a working fluid is configured to circulate within the vapor compression loop. An energy storage device is selectively operable to supply power to a component of the air conditioning system. A thermal management system includes a heat transfer fluid loop fluidly connecting the energy storage device and a coolant heat exchanger. A heat transfer fluid is configured to circulate through the heat transfer fluid loop. The thermal management system is thermally and fluidly coupled to the vapor compression loop at the coolant heat exchanger. The coolant heat exchanger is arranged in series with each of the compressor, the expansion device, the first heat exchanger, and the second heat exchanger within the vapor compression loop.
A method of allocating power sources in an air conditioning system includes determining a load demand of the air conditioning system; determining whether a demand response (DR) event or a time-of-use (ToU) high rate is occurring; in response to the DR event or ToU high rate not occurring, charging an energy storage device to an upper voltage, the charging performed at a predefined charging power level during a predefined charging period; in response to the DR event or ToU high rate occurring, determining an allocation of power sources to satisfy the load demand and discharging the energy storage device at a predefined discharging power level and a predefined discharging time period until the energy storage device reaches a lower voltage level or the DR event or ToU high rate is finished.
Described herein is a mixed-flow fan assembly. The assembly comprises an impeller comprising a plurality of blades extending from a rotatable hub, and a shroud extending circumferentially around the impeller, wherein the shroud is secured to the plurality of blades, a casing with a bellmouth disposed circumferentially around the shroud, defining a cavity between the casing and the shroud, with flow control clearance gaps at a downstream end and an upstream end of the casing. The assembly further comprises one or more first circular ribs extending axially from the shroud within the cavity and substantially parallel to a rotational axis of the impeller, and a plurality of de-swirl vanes configured at predefined positions on an inner surface of the bellmouth.
A low-voltage system of a transport refrigeration unit (TRU) includes a low-voltage direct current (LVDC) source; and a distribution bus coupled to the LVDC, the distribution bus is coupled to a compressor, at least one condenser, and at least one evaporator.
A fluid conditioning system includes a compressor, a first heat exchanger, a second heat exchanger, and a first expansion device, and a second expansion device fluidly connected to form a closed loop through which a working fluid circulates. The first expansion device is associated with operation of the fluid conditioning system in a first mode and the second expansion device is associated with operation of the fluid conditioning system in a second mode. The second expansion device is a thermostatic expansion device. An accumulator is fluidly connected to the closed loop upstream from the compressor relative to a flow of the working fluid. A back pressure regulator is fluidly coupled to the first heat exchanger, the second heat exchanger, and the second expansion device.
A system includes an air conditioning system associated with a building and at least one energy storage device including a thermally regenerative battery. A controller is configured to supply power from at least one of an AC power grid and the thermally regenerative battery to one or more components of the air conditioning system.
A transport refrigeration system including a transport refrigeration unit; an energy storage device; an engine system including a generator, a power converter configured to receive power from both the energy storage device and the engine system; a controller configured to control the power converter to power the transport refrigeration unit in response to a parameter of the energy storage device and a power demand of the transport refrigeration unit.
This application provides a detection method of an air conditioning system. When the air conditioning system is operating in a cooling mode and a fan of an indoor unit and an expansion valve need to be detected or debugged. When a difference between a return air temperature of the indoor unit and a heat exchanger coil temperature of the indoor unit within the first specified duration is greater than a specified fan determination threshold, it is determined that the fan of the indoor unit is faulty. A difference between a return air temperature difference of the first indoor unit and a heat exchanger coil temperature difference of the first indoor unit is detected, and when the difference is less than a specified expansion valve determination threshold, it is determined that the first expansion valve is faulty.
F24F 11/77 - Control systems characterised by their outputsConstructional 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 11/84 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
F24F 11/86 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
A method for offsetting power used by an air conditioning system coupled to an AC power grid at a point of common coupling (PCC), the method including: receiving a point of common coupling (PCC) setpoint, a charge limit, a discharge limit and a power demand of the first unit; selecting an operating mode from the following operating modes: a normal mode during which a first unit of the air conditioning system is powered by only the AC power grid; a charging mode during which the first unit of the air conditioning system is powered by only the AC power grid and an energy storage device is charged, a discharging mode during which the first unit of the air conditioning system is powered by both the AC power grid and the energy storage device.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 3/12 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
70.
CENTRIFUGAL COMPRESSOR, REFRIGERATION HEAT PUMP UNIT
This application provides a centrifugal compressor and a refrigeration heat pump unit, the centrifugal compressor includes a first compression chamber including a first inlet portion that includes a first variable guide vane, and a first outlet portion. A second compression chamber including a second inlet portion that includes a second variable guide vane, and a second outlet portion. A first impeller rotatably disposed inside the first compression chamber and disposed adjacent to the first variable guide vane. A second impeller rotatably disposed inside the second compression chamber and disposed adjacent to the second variable guide vane. A third impeller rotatably disposed inside the first compression chamber and located downstream of the first impeller. A first bypass pipe allowing a discharge flow passage of the third impeller to communicate with an inlet of the third impeller.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Machines and machine apparatus for heating, cooling, air conditioning and refrigeration; Industrial machines and machinery for heating, cooling, air conditioning and refrigeration; Compressors; Compressors for heating, cooling, air conditioning and refrigeration apparatus and installations; Condensers; Compressors and condensers for HVAC-R apparatus and installations; Condenser housings, condensing unit frames, supports, housings and guards; Pumps; Pumps for air-conditioning, heating, ventilating and refrigeration apparatus and instruments; Condensate pumps; Pumps incorporating sensors; Dosing pumps; Tank pumps; Peristaltic pumps; Macerator pumps; Column pumps; Pumps for use in the HVAC-R industry; Apparatus and machines for reclaiming refrigerant gases; Apparatus and machines for gas reclamation; Fans and blowers as parts of machines; Machine components and mechanical parts for heating, cooling, air conditioning, refrigeration and ventilation systems; Parts, fittings and accessories for all the aforesaid goods. Thermostats; Smart thermostats; Hygrostats; Sensors for temperature, humidity, air quality, environmental conditions, energy use and system performance; Sensors for use in HVAC-R installations, apparatus and equipment; Gauges, meters, counters and monitors for measuring temperature, humidity, pressure and environmental conditions; Measuring apparatus and instruments; Tape measures; Spirit levels; Meters; Timers; Wire and pipe detecting meters and gauges; Electronic controllers, control panels and control units for heating, cooling, air conditioning, refrigeration, ventilation, indoor air quality and building management systems; Carbon monoxide alarms; Air quality monitors; Apparatus and instruments for measuring, signalling, checking, regulating, monitoring and controlling heating, cooling, air conditioning, refrigeration, ventilation, indoor air quality, energy and environmental systems; Computer software for use in the HVAC-R industry; Computer software for use in the construction industry; Computer software for assisting in the design of installations of plant in the construction and HVAC-R industries; Downloadable computer software for collecting, monitoring, analysing and reporting data from heating, cooling, air conditioning, refrigeration, ventilation, energy and indoor air quality systems; Downloadable computer software for use in the HVAC-R industry; Downloadable computer software for use in the construction industry; Downloadable computer software and mobile application software for controlling, managing, operating and optimising building systems and equipment; Downloadable computer software for collecting, monitoring, analysing and reporting data from residential and commercial buildings and building systems; Downloadable computer software and mobile application software for enabling touchless building entry and elevator access; Downloadable computer software and mobile application software for reporting environmental performance, occupancy and wellness data of liveable spaces; Downloadable mobile applications for use in the HVAC-R industry; Downloadable mobile applications for use in the construction industry; Downloadable software for product registration, warranty administration and customer support relating to building climate, energy and environmental systems; Parts, fittings and accessories for all the aforesaid goods. Air conditioning apparatus and installations; Heating apparatus and installations; Cooling apparatus and installations; Refrigeration apparatus and installations; Apparatus, installations and systems for heating, cooling, air conditioning, refrigeration, ventilation and indoor air quality control; Furnaces; Boilers; Ductless air conditioning systems; Packaged heating and cooling systems; Fan coil units; Evaporators; Indoor air quality apparatus, namely air purifiers, air filters, ventilators, humidifiers, dehumidifiers and ultraviolet air treatment apparatus; Parts, fittings and accessories for all the aforesaid goods. Installation, maintenance, and repair services, including preventive maintenance services and subscription-based maintenance services, for HVAC equipment and systems, heating equipment and systems, cooling equipment and systems, air conditioning equipment and systems, refrigeration equipment and systems, ventilation equipment and indoor air quality systems, temperature-controlled cargo containers, temperature-controlled cargo storage units and facilities, temperature-controlled cargo vehicles, gas ignition systems, gas detection systems, hazard mitigation systems, building alarm systems, fire and smoke alarm systems, fire suppression systems and fire safety systems, building security systems, building access systems, electronic lock systems, credentialing equipment, real estate access systems, and remote access management equipment; HVAC contractor services. Software as a service (SaaS); Software as a service (SaaS) for HVAC Systems, Building Management Systems (BMS), Building Automation Systems (BAS); Platform as a service (PaaS); Platform as a service (PaaS) for HVAC Systems, Building Management Systems (BMS), Building Automation Systems (BAS); Computer systems analysis; Computer systems analysis for HVAC Systems, Building Management Systems (BMS), Building Automation Systems (BAS); Computer programming services; Computer programming services for HVAC Systems, Building Management Systems (BMS), Building Automation Systems (BAS); Design and development of computer hardware and computer software; Design and development of computer hardware and computer software for HVAC Systems, Building Management Systems (BMS), Building Automation Systems (BAS); Scientific and technological consultancy services; Scientific and technological consultancy services relating to HVAC Systems, Building Management Systems (BMS), Building Automation Systems (BAS); Rental and leasing of computers; Rental and leasing of computers for HVAC Systems, Building Management Systems (BMS), Building Automation Systems (BAS); Engineering services; Engineering services for HVAC Systems, Building Management Systems (BMS), Building Automation Systems (BAS); Operation and management of data centres; HVAC system design and simulation software; Design and development of software for predictive maintenance, optimization, and control of HVAC systems; Design and development of energy efficiency and environmental performance analysis software for HVAC systems; Design and development of building energy management system software; Data analytics and reporting services for HVAC systems; Technical consultancy and advisory services relating to HVAC system design, energy efficiency, and indoor air quality; Information, advisory and consultancy services relating to all of the aforesaid services; Online platform as a service featuring non-downloadable software and mobile applications for collecting, analyzing, and reporting data from residential and commercial buildings, including Building Management Systems (BMS), Building Automation Systems (BAS), and third-party sensors for mechanical and electrical equipment, enabling control and adjustment of building equipment to optimize performance and meet industry standards for efficiency and wellness; Maintenance of computer software, including mobile application software; Remote monitoring and management of HVAC, refrigeration, temperature-controlled cargo systems and facilities, gas ignition and detection systems, hazard mitigation systems, security and fire alarm systems, building security and access systems, fire suppression and safety products, electronic lock systems, credentialing and real estate access equipment, and remote access management equipment, as well as technical support services for diagnosing problems with these systems; Provision of a website enabling users to remotely view, monitor, program, operate, and control the aforementioned equipment and systems; Computer services for remote management of building and cargo-related systems and equipment; Providing online non-downloadable software and platform as a service (PAAS) for data center thermal management and Data Center Infrastructure Management, including technical support and advisory services related to installation, maintenance, repair, and management of data centers and heating/cooling apparatus for data centers and similar facilities; Scientific research consultancy, design, testing, research, and network analysis services in data center management, data analysis, systemization, processing, software asset management and optimization, network mapping, capacity planning and utilization, project task management, and reporting; Technological consultancy in data center architecture and building management systems for thermal management; computer design, testing, programming, hardware and software design; online computer database and database design in data center management; industrial analysis and research for energy auditing and efficiency improvement; engineering services and design, drafting of plans and drawings; computer project management, help desk, migration services, and technical support; Computerized data analysis using proprietary software for evaluating and collecting service data on software, data center management, asset management, network mapping, capacity planning, and reporting; technical data analysis for technology specification, requirement analysis, and recommendations; technical advice on computer programs and electronic data storage via interactive websites or global computer networks; operation and management of data centers with remote and on-site infrastructure services for public and private cloud computing IT and applications; advisory, information, and consultancy services related to data center management and design and development of automated building management systems and controllers for temperature, humidity, and electrical regulation.
72.
CONTROL METHOD AND CONTROL DEVICE FOR AIR CONDITIONING SYSTEM, AND AIR CONDITIONING SYSTEM
This application provides a control method and control device for an air conditioning system, and an air conditioning system using the control method or including the control device. When switched to heating mode, a hot gas valve and a liquid injection valve are opened, and a main heat valve is closed. A condenser is excluded from refrigerant circulation. The refrigerant is heated by a motor of a compressor and exchanges heat with the outside via an evaporator to raise indoor ambient temperature. Part of the refrigerant returns to the compressor, while the rest enters a liquid reservoir via the liquid injection valve to reduce refrigerant flow rate and improve energy utilization. When operating for a specified time or when the indoor ambient temperature reaches a specified heating temperature, the liquid injection valve is closed to retain sufficient refrigerant in the heating circulation and avoid continuous decrease in heating performance.
Described herein is a heat exchanger assembly that comprises a first heat exchanger comprising a first inlet header, a first outlet header, and a plurality of first heat exchange tubes fluidically connected to and extending between the first inlet header and the first outlet header. The heat exchanger assembly further comprises a second heat exchanger comprising a second inlet header, a second outlet header, and a plurality of second heat exchange tubes fluidically connected to and extending between the second inlet header and the second outlet header. Further, the heat exchanger assembly comprises a first outlet connector connected to a first end of the first outlet header, and a second outlet connector connected to a first end of the second outlet header, wherein a second end, opposite to the first end, of the respective first outlet header and the second outlet header are adjacent to each other.
A method for managing an energy storage device in an air conditioning system includes determining capacity of an AC power grid connected to the air conditioning system; in response to the AC power grid having high capacity, operating the air conditioning system in a first mode; and in response to the AC power grid having low capacity, operating the air conditioning system in a second mode.
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
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 networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
An assembly includes a fluid conditioning system including a cascade module and an active charge compensator integrated into the fluid conditioning system. The fluid conditioning system is transformable between a first mode and a second mode. In the first mode, the fluid conditioning system includes a first vapor compression loop and a second vapor compression loop. The first vapor compression loop and the second vapor compression loop are thermally coupled at the cascade module and the second vapor compression loop is fluidly separate from the first vapor compression loop. In the second mode, the fluid conditioning system includes a single vapor compression loop. The active charge compensator is operable to control a working fluid charge within the fluid conditioning system based on the mode of operation selected from the plurality of modes.
F25B 7/00 - Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
F25B 45/00 - Arrangements for charging or discharging refrigerant
This application provides a screw compressor and a slide valve thereof. The slide valve includes: a valve body having a cylindrical shape extending in an axial direction, with a side surface having a pressure discharge surface that matches an outer peripheral contour of a rotor of the screw compressor; a discharge chamber provided at an end of the pressure discharge surface along the axial direction; a slider provided in the discharge chamber, and configured to slide along a radial direction of the valve body, a shape of an outer edge of the slider matching a shape of the pressure discharge surface; and a spring connected to the slider and configured to drive the slider to slide to a position where the outer edge of the slider is flush with the pressure discharge surface.
F04C 2/16 - Rotary-piston machines or pumps 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
F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
F16K 3/30 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing Details
This application provides a refrigeration system. By a regenerator with an inlet on a primary side connected to an outlet of a condenser, an outlet on the primary side connected to an inlet of an expansion valve, an inlet of a secondary side connected to an outlet of an evaporator, and an outlet of the secondary side connected to an inlet of a compressor, a medium-temperature and high-pressure refrigerant liquid discharged from the condenser and a part of a low-temperature and low-pressure refrigerant gas discharged from the evaporator exchange heat in the regenerator, thereby improving subcooling of the refrigerant liquid at the inlet of the expansion valve and superheating of the refrigerant gas at the inlet of the compressor.
F25B 43/02 - Arrangements for separating or purifying gases or liquidsArrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
Described herein is a system for controlling an HVAC unit. The system comprises a controller configured to monitor temperature of air upstream and downstream of an indoor coil of the HVAC unit, and control, based on the monitored temperature, speed of one or more fans configured with the indoor coil to maintain a temperature difference across the indoor coil.
F24F 11/81 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling the air supply to heat-exchangers or bypass channels
F24F 11/523 - Indication arrangements, e.g. displays for displaying temperature data
Disclosed herein is a system for power supply management in a vehicle equipped with a transport refrigeration unit (TRU). The system comprises a controller connected to the TRU. Controller comprises a processor with access to a memory storing instructions executable by processors, which causes controller to adapt operation of one or more components of the TRU to adjust electrical power consumption of the TRU to a determined power level, based on one or more of electrical attributes of electrical power supplied to battery, real-time electrical power consumption of TRU, and real-time state of charge (SOC) of battery.
B60L 1/00 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
83.
SYSTEM AND METHOD FOR CONTROLLING OPERATION OF A HEAT PUMP
Described herein is a system and a method for controlling operation of a heat pump. The system comprises an electronic expansion valve (EXV) configured to fluidically connect an indoor unit of the heat pump with an outdoor unit of the heat pump, and a controller operatively connected to the EXV, where the controller is configured to issue a first control signal, during a first defrost mode, to at least partially close the EXV to increase discharge pressure in an outdoor coil of the outdoor unit to facilitate defrosting of the outdoor coil.
An electrical architecture for an electric/engineless trailer refrigeration unit (ETRU) is provided. The electrical architecture includes a battery, multiple auxiliary direct current (DC) power sources, multiple auxiliary alternating current (AC) power sources, TRU components, a master controller and a reconfigurable power conversion unit (RPCU). The RPCU is configurable by the master controller to transmit electrical power between the battery, the multiple auxiliary DC power sources, the multiple auxiliary AC power sources and the TRU components in accordance with current operational conditions, power levels of the battery, the multiple auxiliary DC power sources and the multiple auxiliary AC power sources and power demands of the TRU components.
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
B60P 3/20 - Vehicles adapted to transport, to carry or to comprise special loads or objects for transporting refrigerated goods
F25D 11/00 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators
H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks
On-line retail store services featuring parts and replacement parts for vehicle engines, transport refrigeration units and equipment for trucks, trailers and shipping containers; Catalog ordering service featuring parts and replacement parts for vehicle engines, transport refrigeration units and equipment for trucks, trailers and shipping containers
Disclosed herein is an air handling unit (AHU) for use with an air conditioning system. The AHU comprises a housing defining the shape of the AHU, through which air is moved; a heat exchanger is disposed inside the housing. The heat exchanger is configured to facilitate a transfer of heat to and from the air moving through the housing. The AHU further comprises a diagonal-flow fan disposed inside the housing, wherein an air inflow into the fan and/or an air flow path through the fan is substantially axial, aligned along an axis of rotation of the fan, and wherein the AHU has a height-to-width ratio in a range between 1.8 and 2.0.
This application provides a water chilling unit including a compressor and a condenser, in which an outlet of the compressor communicates with an inlet of the condenser through a compressor outlet pipeline, and a check valve with a magnet is also provided in a discharge pipeline. During normal operation of the water chilling unit, the check valve is maintained at the maximum opening through attraction of opposite magnetic poles, and when the water chilling unit stops operating, the closure of the check valve is cushioned through repulsion of like magnetic poles.
This application provides a fluid distributor and a heat exchanger. The fluid distributor includes: a first plate-shaped member in which an inlet flow passage is formed; a second plate-shaped member in which a first outlet flow passage and a second outlet flow passage spaced apart in a height direction are formed; a flow guide frame sealingly fixed between the first plate-shaped member and the second plate-shaped member, having a first flow guide space and a second flow guide space partitioned inside. The flow guide frame includes a flow equalizing plate, and the flow equalizing plate includes a flow equalizing plate bottom portion, and flow equalizing plate extension portions which extend upward from the flow equalizing plate bottom portion to two sides of the flow equalizing plate bottom portion while being inclined in the height direction. This application improves uniformity and a fault tolerance of a refrigerant distribution.
F28F 1/34 - 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 obliquely
90.
POWER CONVERTER DESIGN FOR ELECTROCALORIC AIR CONDITIONING SYSTEMS
A heat transfer system includes a first electrocaloric module comprising a first electrocaloric material, a first high-side electrode, and a first low-side electrode, arranged to impart an electric field to the electrocaloric material; a second electrocaloric module comprising a second electrocaloric material, a second high-side electrode, and a second low-side electrode, arranged to impart an electric field to the electrocaloric material; a power convertor including a power source configured to supply power to a high side bus and a low side bus; a controller configured to operate the power convertor through a plurality of stages.
H02M 3/07 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode
F25B 21/00 - Machines, plants or systems, using electric or magnetic effects
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
91.
FLUID DISTRIBUTOR FOR A SHELL-AND-TUBE FLOODED EVAPORATOR
Described herein is a distributor for a shell-and-tube flooded evaporator. The distributor comprises a first header comprising one or more first outlets located along a length at a bottom side of the first header, and a second header comprising one or more second outlets located along a length at a bottom side of the second header. The distributor is configured to be disposed within a shell associated with the evaporator such that the first header and the second header extend along a length, on opposite sides of an inner wall of the shell, and the first header and the second header are fluidically connected to one or more refrigerant inlet tubes provided on the shell.
Described herein is a device for displaying subcooling data of a refrigeration circuit associated with an HVAC system. The device comprises a display module having a predefined display area configured to display at least two characters at a time, wherein the display module is configured to receive subcooling data of the refrigeration circuit and display the received subcooling data over the predefined display area in alphanumeric and/or string characters while scrolling or paging the data thereover in a predefined direction and at a predefined interval.
G09G 3/18 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments by control of light from an independent source using liquid crystals
93.
POWER SYSTEM FOR TRANSPORTATION REFRIGERATION UNIT AND METHOD FOR CONTROLLING POWER THEREOF
A power system for a vehicle having a TRU is disclosed. The power system includes an energy storage unit adapted to supply power to the TRU, and includes an axle generator electrically connected to the energy storage unit to supply power to the energy storage unit and the TRU. The power system includes a pressure sensor to sense ambient pressure, and includes a power supply system. The power supply system is configured to determine a SoC of the energy storage unit, and is configured to determine an altitude of the power system based on the ambient pressure. The power supply system is configured to determine a power output of the axle generator, and configured to adjust a power supplied by the energy storage unit and the axle generator to the TRU based on the determined SoC, the determined altitude, and the determined power output.
B60P 3/20 - Vehicles adapted to transport, to carry or to comprise special loads or objects for transporting refrigerated goods
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
This application provides a refrigeration apparatus using a main fan to cool an electronic control device while meeting heat exchange requirements of a heat exchanger. By arranging a first air duct and a second air duct in parallel, and controlling a relationship between a cross-sectional area of a first air duct inlet and a cross-sectional area of a second air duct outlet, and a relationship between a cross-sectional area of a second air duct inlet and the cross-sectional area of the second air duct outlet, air flowing into the first air duct after heat exchange with a refrigerant in the heat exchanger and air in the second air duct after heat exchange with the electronic control device are merged in the first air duct, and are discharged from the refrigeration apparatus through a first air duct outlet.
F25D 17/06 - Arrangements for circulating cooling fluidsArrangements for circulating gas, e.g. air, within refrigerated spaces for circulating gas, e.g. by natural convection by forced circulation
F25D 17/08 - Arrangements for circulating cooling fluidsArrangements for circulating gas, e.g. air, within refrigerated spaces for circulating gas, e.g. by natural convection by forced circulation using ducts
95.
TRANSPORT REFRIGERATION UNIT AND A METHOD FOR CONTROLLING A BATTERY PACK
Described herein is a transport refrigeration unit (TRU). The TRU comprises a controller connected to a switching module associated with a battery pack and a TRU battery within the TRU, wherein the battery pack is connected to the TRU via the switching module; wherein the controller comprises a processor with access to a memory storing instructions executable by the processors, which causes the controller to issue an activation electrical power signal from the TRU battery to the switching module to activate the battery pack by establishing an electrical connection between the battery pack and the TRU.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
F25D 11/00 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators
96.
DEVICE, SYSTEM, AND METHOD FOR DETERMINING CHARGE SETTINGS FOR A REFRIGERATION CIRCUIT
Disclosed herein is a system for determining charge settings for a refrigeration circuit of an HVAC unit. The system comprises a controller comprising one or more processors coupled to a memory storing instructions executable by the processors, wherein the controller is configured to receive a set of data pertaining to an operating environment of the HVAC unit and an internal volume of the refrigeration circuit, estimate a saturated suction temperature of a refrigerant in the refrigeration circuit based on the operating environment, and determine a weight of the refrigerant to be added to the refrigeration circuit or a subcooling target temperature for a liquid line associated with the refrigeration circuit based on the estimated saturated suction temperature and the internal volume.
A fluid distributor for a heat exchanger is disclosed. The fluid distributor comprises a header having compartments. A plurality of MCHX tubes associated with a heat exchange section of the heat exchanger are fluidically connected to at least one of the compartments. The fluid distributor further comprises a distribution tube extending longitudinally along the compartments through the walls. The distribution tube comprises a plurality of cavities extending longitudinally along the length of the distribution tube and configured radially around a central axis of the distribution tube. Each cavity comprises ports opening in a compartment. Further, the fluid distributor comprises a supply tube fluidically connected to the distribution tube or to a supply tube compartment of header and configured to supply a fluid into the distribution tube.
Described herein is an air conditioning system comprising a battery box configured to output an output voltage, and a control board circuit configured to receive the output voltage from the battery box for a safe operation, wherein during the safe operation, the control board circuit is configured to actuate at least one of a refrigerant dissipation system and/or a safety shut-off valve to perform a shutdown operation when the output voltage provided by the battery box is greater than a preset threshold.
A sealing system for a magnetic levitating centrifugal compressor, the magnetic levitating centrifugal compressor including a motor cavity and a motor shaft disposed within the motor cavity, an end of the motor shaft extends out from the motor cavity and is mounted with an impeller, the sealing system includes: a seal which is sleeved on the outer side of the motor shaft and is disposed between the impeller and the motor cavity; a first magnet which is fixed at the outer surface of the motor shaft; and a second magnet which is fixed at a side of the seal facing the motor shaft; the first magnet and the second magnet form a radial repulsive force in the radial direction of the motor shaft, so that the seal can be levitated in relative to the motor shaft and move therewith.
A chiller system includes a compressor, a condenser, an expansion device, and an evaporator operably coupled to form a closed fluid loop having a fluid circulating therethrough. A flow of a cooling fluid is arranged in a heat transfer relationship with the fluid at the condenser. An energy transfer device is located downstream from the condenser relative to the flow of the cooling fluid. The energy transfer device is arranged in fluid communication with a third fluid and at least a portion of the heat from the fluid is transferred to the third fluid at the energy transfer device.
F25B 7/00 - Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
F25B 41/20 - Disposition of valves, e.g. of on-off valves or flow control valves
