Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 14,837

Document Document Title
WO/2019/171087A2
The present invention describes a vapour compression apparatus wherein an intermediary located heat battery is capable of releasing charge (i.e. discharging) and/or charging and thereby controlling the temperature of a heat source or hea...  
WO/2019/171520A1
An air conditioner design assistance device with which the necessity of a safety countermeasure for an air conditioner can automatically and easily be understood. This design assistance device 1 comprises: a reading unit 41 for reading d...  
WO/2019/171840A1
A refrigerant amount estimating device (30) is provided with refrigerant side detecting units (41 to 44) which detect refrigerant state quantities including a high-pressure side pressure and a low-pressure side pressure, and environment ...  
WO/2019/172008A1
An air conditioner (100) serving as a refrigeration cycle device includes a protection device (200). If the current value of an input current of an electric motor of a compressor (103) exceeds a first prescribed value set to at least thr...  
WO/2019/172144A1
A cryogenic refrigerator 10 comprising: high-pressure lines 24 through which a refrigerant gas can flow from a first compressor 12 and a second compressor 14 to a high-pressure port 16a of a cold head 16 through a convergence part 25; an...  
WO/2019/170486A1
The invention relates to a device for controlling the temperature of an external fluid, wherein the device comprises a compressor for compressing an internal fluid, a first heat exchanger in a temperature control circuit for transferring...  
WO/2019/171483A1
An air conditioner having a refrigerant detection sensor with which a leakage of refrigerant can be detected properly even when a leakage detection level (detection threshold value) of the refrigerant detection sensor fluctuates due to a...  
WO/2019/172135A1
This air conditioning device (100) is provided with: a heater (22) that uses heat from a refrigerant compressed in a compressor (21) to heat air guided into a vehicle cabin; a liquid receiver (24) that is arranged downstream of an exteri...  
WO/2019/166843A1
Disclosed is a system for detecting a refrigerant leak in a refrigeration system, wherein a system controller is configured to: execute leak test cycles that include executing a first phase (T1-T2) of transferring refrigerant charge to t...  
WO/2019/163451A1
Provided is a low-capacity indoor unit (20C) having a rated cooling capacity of less than 2.2 kW and provided with a notification unit (100d) that notifies an abnormality when the indoor unit is connected to an outdoor unit other than a ...  
WO/2019/164115A1
There is disclosed a controlling method for a refrigerator comprising: a first defrosting step of performing defrosting for an evaporator, the first defrosting step which ends when the temperature of the evaporator reaches a first temper...  
WO/2019/162515A1
The present invention pertains to a cryogenic refrigeration system and method for cryogenic refrigeration of a process medium. In particular, the invention relates to a counter flow heat exchanger configuration and pressure regulator arr...  
WO/2019/162993A1
An indoor unit for an air conditioner comprises: an intake grill in which an inlet for gas inflow is formed; a decorative panel to which the intake grill is mounted and in which an outlet for gas outflow is formed; a case to which the de...  
WO/2019/156318A1
A linear motor and a linear compressor comprising same according to the present invention may comprise: a stator including an air gap; a coil disposed at the stator; a mover reciprocating in the air gap; and at least one magnet fixed to ...  
WO/2019/155737A1
A control device comprising: a prediction unit for predicting a startup-possible time, which is the time until a compressor is capable of operating, on the basis of an outside temperature and a degree of dilution of refrigerant oil in th...  
WO/2019/156107A1
A refrigerant detection device (102) is provided to an air conditioner body (101) comprising a heat exchanger (1) that exchanges heat between air and a refrigerant, a fan (2) that blows heat-exchanged air, and an external case (4) that a...  
WO/2019/150032A1
The invention relates to a method for heat-treating a passenger compartment and an electrical storage device (11) of a motor vehicle which is towed at least partially by an electric motor, the motor vehicle using at least one coolant cir...  
WO/2019/150463A1
This air conditioner (S) is provided with an outdoor unit (1) and indoor unit (2) that are connected by a refrigerant piping (3), a control means (60) for controlling the outdoor unit (1) and the indoor unit (2), and an operating means (...  
WO/2019/149163A1
A VRV oil return control method and system, said method comprising: calculating an average exhaust pressure within an oil return cycle (S11), so as to determine whether the average exhaust pressure is equal to or greater than a set thres...  
WO/2019/150462A1
In this air conditioner (S), an outdoor unit (1) and an indoor unit (2) are connected by a refrigerant piping (3), thus forming a refrigeration cycle (RC). A refrigerant, serving as a heating medium, is enclosed in the refrigerant piping...  
WO/2019/146035A1
Provided is a state analysis device comprising a specific state arithmetic logic unit (301) to find specific state information indicating the state of refrigerant at a specific location in a refrigerant circuit and a normal range arithme...  
WO/2019/147086A1
An air conditioner according to an embodiment may comprise: a compressor for compressing a refrigerant; an indoor heat exchanger for converting a gas refrigerant into a liquid refrigerant in a heating mode; an outdoor heat exchanger for ...  
WO/2019/146214A1
A cryogenic cooling system 10 comprising: a gas circulation source 12; a cryogenic refrigerator 22 equipped with a refrigerator stage 28 that cools cooling gas; a cooling subject gas passage 18; a gas supply line 16 for supplying cooling...  
WO/2019/146846A1
The present invention relates to a multi-stage split independent control cooling system and, more specifically, to a technique in which an evaporator in charge of a cooling system of a bus or a railway vehicle is not made of a single com...  
WO/2019/147085A1
An air conditioner according to one embodiment comprises: a compressor for compressing a refrigerant; an indoor heat exchanger for converting a gaseous refrigerant into a liquid refrigerant in a heating mode; an outdoor heat exchanger fo...  
WO/2019/143113A1
The present invention relates to a control device for configuring a parameter on the basis of learning about space having an air conditioner installed therein. A control device for configuring a parameter on the basis of learning about s...  
WO/2019/143198A1
The multi-type air conditioner according to the present invention comprises: an outdoor unit comprising a liquid pipe, through which liquid refrigerant flows, and a gas pipe, through which gaseous refrigerant flows; a plurality of indoor...  
WO/2019/142532A1
A refrigeration device provided in a cold store for transportation is provided with an engine (34), an electric power generator (38) driven by the engine, an inverter unit (40) for converting electric power generated by the electric powe...  
WO/2019/143195A1
The multi-type air conditioner according to the present invention comprises: an outdoor unit comprising a liquid pipe, through which liquid refrigerant flows, and a gas pipe, through which gaseous refrigerant flows; a plurality of indoor...  
WO/2019/138533A1
This air conditioning machine is configured such that a refrigerant is circulated between an outdoor machine and an indoor machine. The indoor machine has: a main body case that forms a contour; a heat exchanger housed in the main body c...  
WO/2019/138910A1
The present invention decreases the risk of occurrence of an electrical leakage from an inverter device for controlling the rotational frequency of a water pump, and the risk that the temperature of the inverter device exceeds an allowab...  
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...  

Matches 1 - 50 out of 14,837