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Matches 1 - 50 out of 14,762

Document Document Title
WO/2018/178465A8
The invention relates to an adaptive control method for refrigeration systems that comprises detecting the level of frost in the evaporator by means of a method for calculating the NTU rate, making it possible to define: the best time fo...  
WO/2019/130326A1
A high-efficiency, motorless purge system for closed-cycle absorption heat pumps, adapted for both absorption heat transformers and absorption chillers, using a series of valves to control the entry and exit of absorbent solution into a ...  
WO/2019/130383A1
The purpose of the present invention is to provide an air conditioning device that ensures safety with regard to the leakage of a refrigerant. This air conditioning device comprises: a refrigerant circuit including a compressor, a heat s...  
WO/2019/133720A1
A heating, ventilation, and air conditioning (HVAC) system (10) includes an expansion device (36) disposed between a condenser (34) and an evaporator (38) of a vapor compression system (14) and a control panel (40) communicatively couple...  
WO/2019/133802A1
A control system (122) includes processing and memory circuitry, the memory circuitry storing a temperature-based capacity control scheme (200) for a chiller system (14) and the processing circuitry being configured to perform the temper...  
WO/2019/130452A1
The present invention makes it possible to improve air conditioner maintainability, such as replacement and repair, by facilitating the identification of the installation location of a leak detection sensor or the like. An air conditione...  
WO/2019/129244A1
Provided are a heat dissipation control method for a refrigerator and a refrigerator. The heat dissipation control method for a refrigerator (100) comprises: acquiring an operating signal of a compressor (42); according to the operating ...  
WO/2019/124326A1
Provided is a heat exchange unit in which it is difficult for a refrigerant to reach an electrical component unit even when using a flammable refrigerant. According to the present invention, an outdoor unit (20) constituting a portion of...  
WO/2019/116437A1
An air conditioner comprises a refrigerant circuit in which a refrigerant circulates, a refrigerant detection sensor that detects refrigerant leaks, and a control unit that controls the refrigerant circuit. In a situation where replaceme...  
WO/2019/118220A1
A cooling system is provided and includes pump, condenser fan, and control modules. The pump module controls a pump to pump a cooling fluid through a cooling circuit. The condenser fan module controls a condenser fan to transfer air acro...  
WO/2018/118019A8
A cryogenic refrigerator system with heaters is constructed in modular form to serve as a portable servicing system to warm up and then cool down a target object by circulating a gaseous cryogen through a target object cryostat without m...  
WO/2019/111629A1
A valve case (11, 12, 100) is made of metal, is mounted in a mounting hole (22) provided in a high-pressure-side constituting member of a refrigeration cycle (1), and has a flow passage (111, 121) for allowing a refrigerant to flow there...  
WO/2019/113094A1
A heating, ventilating, and air conditioning (HVAC) system (10) that includes a vapor compression system (72) having a refrigerant, a compressor (74) of the vapor compression system (72) configured to circulate the refrigerant through th...  
WO/2019/111771A1
An expansion valve control sensor according to the present invention comprises a micro-resistor, an upstream temperature sensor which detects a pipeline temperature on an upstream side of the micro-resistor, and a downstream temperature ...  
WO/2019/106258A1
The present invention relates to a circuit (1) for the thermal management of a hybrid or electric vehicle, the thermal management circuit (1) comprising a first reversible air conditioning loop (A) through which a refrigerant circulates ...  
WO/2019/104964A1
A multi-connected air conditioning system noise control method, comprising the following steps: S100, when an operating mode of a multi-connected air conditioning system is a heating mode, obtaining an operating time of the heating mode;...  
WO/2019/106764A1
This refrigeration device has: a refrigeration circuit in which a compressor, a gas cooler, a liquid receiver, a low-pressure expansion valve and an evaporator are connected to refrigerant piping and a refrigerant is circulated; a high-p...  
WO/2019/101294A1
Method for refrigerant charge determination in a cooling circuit (40), comprising the following steps a loading step comprising loading essentially all refrigerant from the low pressure section (72) into the high pressure section (74) of...  
WO/2019/102538A1
An air conditioner in which a refrigerant circulates and which comprises a compressor, a first heat exchanger, a first expansion valve, a second heat exchanger, and a control device. The control device changes the degree of opening of th...  
WO/2019/101735A1
The invention relates to a circuit (1) for a motor vehicle, through which there passes a refrigerant fluid (FR), the circuit (1) comprising at least one compression device (2), the circuit (1) comprising a first leg (6) and a second leg ...  
WO/2019/097604A1
This duct type air conditioner has: a refrigerant detecting sensor (D) configured to detect leakage of refrigerant installed in an indoor unit (a) or a main duct (30); a discharge duct (33) connected to the main duct (30) and connected t...  
WO/2019/097620A1
Provided is an air conditioner with which control can be performed appropriately in the event of a leakage of refrigerant. This air conditioner (100) comprises: a refrigerant circuit (10); a refrigerant leakage sensor (25) which detects ...  
WO/2019/097607A1
Provided is an air conditioner which contributes to cost reductions. The air conditioner (100) is equipped with a refrigerant circuit, a sensor unit (32) and a refrigerant leakage detection unit (33). The sensor unit (32) has a sensor el...  
WO/2019/099756A1
Systems and processes for compressing a refrigerant in a refrigeration system are described. An exemplar system of compressing a refrigerant includes (i) an energy source for energizing refrigerant condensate in an intermediate state to ...  
WO/2019/093210A1
This refrigerating and air-conditioning apparatus comprises: a refrigerant circuit that has a compressor (21), an outdoor heat exchanger, a pressure reducing mechanism (13), a liquid side stop valve, an indoor heat exchanger, and a gas s...  
WO/2019/088294A1
In a power converter (105), the inductance L ([H]) of a reactor (121) and the capacity C ([F]) of a capacitor (122) satisfy condition (1). Furthermore, the power converter (105) eliminates the need for a current-limiting circuit between ...  
WO/2019/088198A1
Provided is a construction equipment management system whereby abnormal states in construction equipment can be accurately detected. A management system for air conditioning devices comprising a command transmission unit, a response rece...  
WO/2019/087037A1
The thermodynamic system (5) comprises a heat pump (7), a cooling circuit (9) adapted to circulate a heat-transferring fluid in heat exchange relationship with a cold side (7F) of the heat pump (7), a heating circuit (11) adapted to circ...  
WO/2019/089526A1
An example transport refrigeration system includes first and second refrigeration circuits configured to cool first and second transport compartments, respectively. An electric machine powers the first and second refrigeration circuits. ...  
WO/2019/085518A1
An air conditioner control method, comprising the following steps: receiving a windless sense control instruction and entering a full windless sense air supply mode (S10); acquiring the current room temperature and a pre-set temperature ...  
WO/2019/088678A1
Disclosed herein is an air conditioner including: a rectifier including a plurality of capacitors connected in series to each other, a switching device configured to control a flow of current supplied to the respective capacitors to char...  
WO/2019/090050A1
A climate-control system includes a variable-capacity compressor, an outdoor ambient temperature sensor, a user-controlled device, and a control module. The outdoor ambient temperature sensor indicates a temperature of outdoor ambient ai...  
WO/2019/084545A1
A universal controller for integration of cryogenic equipment, requiring different control mechanisms, onto a single operating platform. The universal controller may include a power supply element that is configured to simultaneously dri...  
WO/2019/083558A1
A method of controlling a refrigeration system including a medium temperature refrigeration load and a low temperature refrigeration load. The method includes selectively bypassing refrigerant between a medium temperature suction group a...  
WO/2019/080731A1
Disclosed are a variable frequency air conditioner (1) and a control method thereof for self-cleaning of a refrigerant pipeline (70) of the variable frequency air conditioner (1), wherein the variable frequency air conditioner (1) is pro...  
WO/2019/082331A1
This refrigeration air-conditioning device has: a refrigeration circuit in which a compressor, a condenser, an expansion unit, an evaporation unit, and an accumulator are connected via piping and a non-azeotropic mixed refrigerant is cir...  
WO/2019/082242A1
Provided is an environment monitoring system in which degradation of a semiconductor-type gas sensor for detecting a refrigerant leak can be determined, and a measure such as the replacement of the semiconductor-type gas sensor can be ta...  
WO/2019/080807A1
Provided are a method and system for managing an energy supply device, and a terminal device. The method for managing an energy supply device comprises: separately substituting meteorological forecast data into a load relation function a...  
WO/2019/080277A1
Disclosed is a frequency optimization method for a dynamic heating compressor of a variable frequency heat pump water heater. The variable frequency heat pump water heater comprises a variable frequency compressor (1), a gas-liquid separ...  
WO/2019/077696A1
Provided is an air conditioner that suppresses incidences of erroneous detection of refrigerant leaks occurring due to the effect of gases other than refrigerant and that can accurately detect refrigerant leaks occurring inside a housing...  
WO/2019/077906A1
A heat pump cycle comprising a compressor (11), a heat exchanger (12), a gas-liquid separator (17), and an outdoor heat exchanger (15). The heat pump cycle further comprises a main circuit (10) which is formed by connecting the compresso...  
WO/2019/073395A1
A falling film evaporator including a one-piece shell having a plurality of heat exchange tubes disposed at least partially underneath a hood. The falling film evaporator includes a mesh eliminator assembly disposed within a shell to blo...  
WO/2019/074231A1
The present invention relates to a method for controlling a compressor, wherein the method may comprise: a pilot operating step of receiving a start signal as input and operating a compressor of an air conditioning apparatus; an oil shor...  
WO/2019/074738A1
A method of heating a component within a heating, ventilation and air conditioning (HVAC) system is provided. The method includes maintaining a non-heating condition of the HVAC system component when the HVAC system component is in a non...  
WO/2019/071415A1
A heating, ventilating, air conditioning, and refrigeration (HVAC&R) system (10) includes a falling film evaporator (38) configured to vaporize a low pressure refrigerant liquid into a low pressure refrigerant gas. The falling film evapo...  
WO/2019/073870A1
A liquid-side pipe (47) of an outdoor circuit (40) is provided with an outdoor expansion valve (44). Furthermore, the outdoor circuit (40) is provided with a liquid-side bypass pipe (50) for having the liquid-side pipe (47) in communicat...  
WO/2019/069422A1
An air conditioning device (100) is provided with: a refrigeration cycle (10, 11, 12, 20, 21); a first blocking device (15) disposed in piping that connects a heat-source-side heat exchanger (12) and a diaphragm device (20); refrigerant ...  
WO/2019/069423A1
An air conditioner, provided with a refrigeration cycle, a first cutoff device, a leakage-sensing device, and a control device for performing a refrigerant recovery operation when a refrigerant leakage has been sensed. The control device...  
WO/2019/065642A1
Provided is a refrigerant cycle device that is capable of suppressing an adjustment in the degree of opening of an expansion valve when a decrease in the temperature of a refrigerant due to the generation of flash-gas is erroneously reco...  
WO/2019/061914A1
A fresh-air air conditioning system and control method, the system comprising an interior unit (1) and an exterior unit (2). The interior unit (1) comprises a first interior heat exchanger (11) and a second interior heat exchanger (13). ...  

Matches 1 - 50 out of 14,762