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Matches 1 - 50 out of 13,783

Document Document Title
WO/2017/177457A1
A liquid cooling hybrid power refrigerating system and a control method thereof. The liquid cooling hybrid power refrigerating system comprises an indoor heat exchanger (10) arranged indoors, a compressor (11), a flow control valve (12),...  
WO/2017/179210A1
The purpose of the invention is to determine a refrigerant insufficiency by way of small insufficiencies in the amount of refrigerant and the amount of leakage and to reduce the time to determine the refrigerant insufficiency. Provided i...  
WO/2017/178067A1
A compressor unit (2) for use in a refrigeration circuit, comprises at least two compressors (8, 10); and a common variable frequency drive (6), configured to be connected to a three phase grid voltage supply (4); each compressor (8, 10)...  
WO/2017/179117A1
This air conditioner comprises: a refrigerant circuit which is configured from a compressor, a first heat exchanger, an expansion unit, a second heat exchanger, and an accumulator connected by pipes and through which a refrigerant flows;...  
WO/2017/179949A1
The present invention provides, in order to improve the stability and durability of products by enabling normal operation even if external air has an extremely low temperature, a dual heat pump heating and cooling apparatus comprising a ...  
WO/2017/177287A2
Method for protecting an electric motor of a motor driven consumer equipped with a controller for controlling the capacity or the power of the consumer, characterised in that the method comprises the following steps: - the determination ...  
WO/2017/179715A1
In the present invention a soldering area (30), an airtightness testing area (40), and a finishing area (50) are arranged in a row along a first side wall (21) of a single box (20), in the interior of the box (20), which is attached to t...  
WO/2017/176838A1
A heat pump unit, which comprises: a heat pump system comprising a compressor, a refrigeration heat exchanger, a heating heat exchanger, a first heat exchanger, a flow path switching valve and a throttling element, wherein the throttling...  
WO/2017/176351A1
A refrigeration system having a refrigerant circuit including a condenser, a flow control device, an evaporator, and a compressor connected in series. The compressor is configured to circulate a cooling fluid through the refrigerant circ...  
WO/2017/175014A1
New device to protect a compressor against liquid flooding, oil heater malfunction, low refrigerant charge, high superheat. The system consists of a device that measures two temperatures separated by a heat source (The electric compresso...  
WO/2017/175273A1
A protective device (50) for a compressor, provided with: a high pressure switch (5) for detecting a high-pressure abnormality in a refrigerant circuit; an auxiliary switch (7) for supplying a power supply signal when a high-pressure abn...  
WO/2017/168503A1
An outdoor unit which is used in a refrigeration cycle apparatus that circulates a refrigerant mixture containing 1,1,2-trifluoroethylene therethrough, wherein the outdoor unit comprises a housing and piping through which the refrigerant...  
WO/2017/167864A1
The invention relates to an electronic control device (13) for a refrigerant compressor, comprising at least: a drive unit (18); and a compression mechanism (5) which is actively connected to the drive unit (18), with at least one piston...  
WO/2017/170329A1
A multistage compression device (20) comprises a plurality of compression groups (20G) arranged in parallel in a circulation line. The compression groups (20G) comprise a plurality of compressors (21) arranged in series, and a series oil...  
WO/2017/168504A1
This air conditioner is provided with: a plurality of indoor units each including at least an indoor-side heat exchanger; an outdoor unit including at least a compressor, an outdoor-side heat exchanger, an intermediate pressure expansion...  
WO/2017/164589A1
The present invention relates to a refrigerator and a control method therefor. The present invention provides a refrigerator and a control method therefor, the control method comprising: a first step for driving a compressor for compress...  
WO/2017/164711A1
The present invention relates to a control method for a refrigerator. The control method for a refrigerator according to the present invention comprises the steps of: driving a first cooling fan to cool a first storage chamber; adjusting...  
WO/2017/164586A1
An aspect of the present invention provides a cooling device used for a compressor and, more particularly, to a cooling device for a compressor, comprising: a fan device; a housing on which the fan device is installed; a plurality of hea...  
WO/2017/163294A1
A refrigerant shortage prediction apparatus according to the present invention has: a reception unit that receives a plurality of operation data including the outside air temperature, the operation frequency of the compressor of an air-c...  
WO/2017/164710A1
The present invention relates to a control method for a refrigerator. The control method for a refrigerator of the present invention comprises the steps of: reducing or stopping the output of at least one of a cold air supply means for a...  
WO/2017/163339A1
The air-conditioning device (1) is configured so as to circulate a nonazeotropic refrigerant mixture through a compressor (110), a first heat exchanger (120), a second heat exchanger (130), a first expansion valve (140), and a third heat...  
WO/2017/163321A1
This refrigeration cycle device is equipped with: a refrigeration cycle circuit which has a plurality of load-side heat exchangers; a plurality of indoor units which house the plurality of load-side heat exchangers; and a control unit wh...  
WO/2017/164712A1
The present invention relates to a control method for a refrigerator. According to one aspect, the control method for a refrigerator comprises the steps of: sensing the temperature of a first storage chamber; increasing the output of a f...  
WO/2017/158693A1
The present invention has: a compressor (7) that constitutes a refrigerant circulation circuit; a control unit (30) provided with an input current detection circuit (11) for detecting the input current of the compressor (7), and a microc...  
WO/2017/159515A1
The present invention prevents a refrigerant from accumulating in a refrigerant flow path in a heat exchanger as much as possible. This evaluating device is for a heat exchanger including: a heat exchanging unit which causes a refrigeran...  
WO/2017/161027A1
A system includes a compressor, an indoor fan, a thermostat, an indoor fan controller, and a compressor controller. The thermostat provides first and second signals based on indoor loading. The fan controller operates the fan in low spee...  
WO/2017/153387A1
An expander and motor-compressor unit (1) is disclosed. The unit comprises a casing (3) and an electric motor (35) arranged in the casing (3). A compressor (37) is arranged in the casing and drivingly coupled to the electric motor (35) t...  
WO/2017/154161A1
Provided is a refrigeration cycle device comprising: a refrigeration cycle circuit having a plurality of load-side heat exchangers; and a plurality of indoor units respectively accommodating the plurality of load-side heat exchangers. Th...  
WO/2017/148936A1
The invention relates to a heat pump comprising a condenser (306) for condensing compressed working steam, a gas trap, which is coupled to the condenser by means of a foreign gas supply (325) and comprises the following features: a housi...  
WO/2017/150592A1
Provided is a vehicle air-conditioning device that can comparatively simply determine whether a solenoid valve has failed. The present invention uses a controller to control a solenoid valve (17, 21, 30, 40) and thereby switches between ...  
WO/2017/150735A1
Provided is an air conditioner for vehicles, which is capable of protecting a compressor by detecting the leakage of a refrigerant over time as early as possible. The present invention is provided with: a compressor 2; a heat radiator 4 ...  
WO/2017/151539A1
A sorption-expansion process is disclosed that recovers waste energy contained in a fluid stream, such as hot water from a power plant. The sorption-expansion system includes sorbent beds which are selectively coupled to an expander. The...  
WO/2017/146570A1
The heat pump comprises a closed circuit configured for flow of a solvent and a refrigerant, which closed circuit comprises an evaporator and an absorber, which are mutually interconnected with a first line configured for the transport o...  
WO/2017/145826A1
Provided is a refrigeration cycle device that has a circulation path for circulating a working medium containing 1,1,2-trifluoroethylene from a compressor to the compressor via a condenser, an expansion valve, and an evaporator. The refr...  
WO/2017/145218A1
Provided is an air conditioning device provided with a function to detect strainer clogging. An air conditioning device comprises: a heat source device that has a compressor and a water heat exchanger; an indoor unit that has a throttlin...  
WO/2017/143394A1
The invention provides an air-conditioner for maintaining a temperature of a conditioned space at or near a set temperature. The air-conditioner comprises at least one rotating or reciprocating element adapted to rotate or reciprocate at...  
WO/2017/146264A1
Provided is a vehicular air-conditioning device which is provided with flow path switching devices, and bypass piping which bypasses a radiator and an outdoor expansion valve, wherein the required minimum level of in-cabin air conditioni...  
WO/2017/146450A1
Disclosed is a cascade heat pump system for simultaneously producing cold water and steam, comprising a lower-stage side raw water supply pipe, a cold water storage tank, a lower-stage side raw water branch pipe, a lower-stage side super...  
WO/2017/147391A1
An economizer (26) includes a separation wheel (62), a motor (64), and a liquid storage portion (66). The separation wheel (62) is arranged and configured to separate refrigerant into gas refrigerant and liquid refrigerant. The separatio...  
WO/2017/143261A1
A system includes a plurality of compressors, an evaporator, an expansion device, and a system controller. The compressors may be linked in parallel. The system controller may: determine a saturated evaporator temperature, a saturated co...  
WO/2017/143267A1
A climate-control system may include a compressor, a condenser, an evaporator, a first sensor, a second sensor, a third sensor, and a control module. The compressor may include a motor and a compression mechanism. The condenser receives ...  
WO/2017/141899A1
Provided is a refrigeration device wherein even when a refrigerant leakage has occurred, the degree of leakage of the refrigerant can be suppressed, a section in which no leakage has occurred can be used effectively, and the contaminatio...  
WO/2017/142176A1
An air conditioner is provided. The air conditioner includes a heat pump cycle channel in which a compressor, an outdoor heat exchanger, an expansion valve, and an indoor heat exchanger are connected with one another in sequence. A resis...  
WO/2017/140494A1
The invention relates to a refrigeration device comprising at least one first and one second storage chamber (26, 27) and a refrigerant circuit in which a first throttle point (9), a first heat exchanger (10) for regulating the temperatu...  
WO/2017/139368A1
A method including: determining whether a cooling system is operating in a cooling mode, such that the cooling system is not operating in a reheat mode, a humidification mode or a dehumidification mode; determining whether the cooling sy...  
WO/2017/139148A1
A refrigeration unit includes an evaporator circulating a flow of refrigerant therethrough to cool a flow of compartment air flowing over the evaporator, a compressor in fluid communication with the evaporator to compress the flow of ref...  
WO/2017/138058A1
Provided is a refrigeration device that is capable of distinguishing a given refrigerant among multiple types of refrigerants and operating efficiently in response to the refrigerant. This refrigeration device is equipped with: a refrige...  
WO/2017/134215A1
A method for controlling a fan (6) of a vapour compression system (1) is disclosed, the fan (6) being arranged to provide a secondary fluid flow across a heat rejecting heat exchanger (3). A temperature difference, ΔΤ= Tout-Tamb, betwe...  
WO/2017/133774A1
Refrigeration apparatus comprising a refrigerant, a compressor (301), a condenser (302), an expansion device (304), and an evaporator (305), fluidly connected to form a refrigeration cycle, a controllable valve (303) configured to contro...  
WO/2017/133773A1
Refrigeration apparatus comprising a compressor (301), a condenser (302), an expansion device (304), and an evaporator (305), fluidly connected to form a refrigeration cycle for a refrigerant, wherein the compressor (301) has a variable ...  

Matches 1 - 50 out of 13,783