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JP6351824B2 |
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JP6353328B2 |
There is disclosed an air-conditioning apparatus for vehicle which is capable of selecting an appropriate operation mode while inhibiting the operation mode from being unnecessarily changed, and achieving rapid and stable vehicle interio...
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JP6352401B2 |
An air conditioner includes a refrigeration circuit and a top-flow type outdoor unit 51, the refrigeration circuit having a compressor 1, an outdoor heat exchanger 3, a decompression valve 22, and an indoor heat exchanger 6. The outdoor ...
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JP2018100782A |
To save energy.A coolant circuit arrangement comprises a coolant circuit 20 including: an inner heat exchanger 35, a main path 30 constituted by connecting a compressor 31, an outer heat exchanger 32, a first electronic expansion valve 3...
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JP6292304B6 |
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JP2018096582A |
To provide a freezer which prevents sound of a passing refrigerant and allows use of an indoor unit having no expansion valve.The freezer comprises: a gas header collecting pipe (25) to branch a gas line (33) into a plurality of use side...
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JP2018091586A |
To provide a way of confirming an operation of a pressure regulator, in a short time, necessary for achieving an air conditioner which can perform air conditioning that gives a comfortable feeling to people existing in a room while achie...
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JP2018091540A |
To smoothly perform cooling operation when an external temperature is low in a manner that keeps a balance between a heat exchange amount of a condenser and the same of an evaporator.An air conditioner comprises: an auxiliary heat exchan...
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JP6341122B2 |
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JP6341326B2 |
In an air conditioner (10) which is a refrigeration apparatus, a heat source unit (11) has a heat-source-side heat exchanger (40) in which a refrigerant exchanges heat with heat source water. The heat-source-side heat exchanger (40) incl...
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JP2018087677A |
To provide a pipe diameter determination method capable of reducing a refrigerant amount required according to the length of a liquid side refrigerant communication pipe for communicating an outdoor unit with an indoor unit, a pipe diame...
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JP2018087693A |
To relatively inexpensively provide a refrigeration unit enabling appropriate supercooling of a high-pressure side refrigerant in a low-stage side refrigerant circuit.A refrigeration unit 1 includes: a high-stage side refrigerant circuit...
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JP6337924B2 |
A utilization-side unit (12) includes a utilization-side heat exchanger (51) and an expansion valve circuit portion (52). The expansion valve circuit portion (52) includes: a temperature sensitive utilization-side expansion valve (53); a...
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JP6330641B2 |
Provided is a refrigeration cycle device with which depletion of oil deficiency in a compressor can be avoided by means of a simple pipeline structure. This refrigeration cycle device is provided with a second pressure reduction device (...
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JP6332991B2 |
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JP2018080884A |
To suppress deterioration of cooling/heating performance at start of operation in an air conditioner having a heat exchanger for radiation.An air conditioner 1 includes a heat pump cycle having a compressor 52, an indoor heat exchanger 1...
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JP2018077021A |
To provide an air conditioner capable of properly performing refrigerant flow division to an indoor machine when the indoor machine is connected to two or more expansion valves.About a large indoor machine 5a for causing a liquid pipe 8a...
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JP6323313B2 |
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JP2018071909A |
To suppress a cost increase and a shortage of a supply amount of liquid refrigerant by preventing an expansion valve from becoming a fully opened state and a fully closed state, and enhance refrigeration cycle efficiency.A condensing uni...
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JP2018071864A |
To provide an air conditioner having excellent energy saving performance and comfort by properly controlling capacities of a plurality of indoor units.An air conditioner includes a plurality of indoor units, an outdoor unit connected to ...
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JP6320568B2 |
An air-conditioning apparatus (100) includes a selection unit (31) and a determination unit (32), the selection unit (31) selecting a reverse-defrosting operation mode or a heating-defrosting simultaneous operation mode, the reverse-defr...
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JP6320567B2 |
An air-conditioning apparatus is capable of efficiently performing defrosting operation without suspending a heating operation of an indoor unit. The air-conditioning apparatus includes a main circuit (50) sequentially connecting, via a ...
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JP6320060B2 |
A compressor 1, a water-refrigerant heat exchanger 51, pressure reducing devices 8a, 8b, and 8c which reduce the pressure of a refrigerant, an air-side heat exchanger 31, an outdoor fan 39 which delivers air to the air-side heat exchange...
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JP2018066513A |
To provide a refrigeration system capable of varying the number of corresponding compressors according to a load of an evaporator for refrigeration and an evaporator for freezing.A refrigeration system comprises by connecting a compresso...
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JP2018063108A |
To provide a method for heating and/or air-conditioning a passenger compartment of an automobile using a reversible cooling loop, where the method is particularly useful when outdoor temperature is -15°C or less and can be used for hybr...
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JP2018063061A |
To suppress the transmission of heat mainly from a heat collecting part arranged at an outermost side of an evaporator main body to a second bypass passage constituent member.This invention relates to an evaporator which has an external ...
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JP2018063060A |
To mainly simplify a structure and reduce cost, and furthermore allow a reduction in length in a width direction and improvement in distribution efficiency of refrigerant to be obtained.In an evaporator 7, at least a side face at one end...
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JP6311286B2 |
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JP6310077B2 |
A heat source device having a refrigeration cycle in which a compressor, a heat source heat exchanger, an expansion valve, and a heat medium heat exchanger are connected, the heat source device includes a heat exchange chamber that house...
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JP2018054236A |
To excellently perform two-phase transportation for refrigerant with rise of a discharge temperature of a compressor suppressed, in an air conditioner where in an outdoor liquid refrigerant pipe connecting a liquid side end of an outdoor...
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JP6303872B2 |
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JP6307076B2 |
A cooling circuit is equipped with a coolant, a compressor, a condenser and evaporator expansion valve combinations, whereby the outlets of the evaporators are connected to a collection pipe connected to the compressor. The cooling circu...
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JP6304783B2 |
[Problem] To provide an air conditioning system which includes a convective indoor machine and a radiant indoor machine to prevent separation of lubricating oil in refrigerant and consequently prevent damage to a compressor, and can prev...
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JP2018048784A |
To provide an air conditioning system capable of sufficiently enhancing comfort of a user.An CPU calculates a target air volume V2t of an indoor fan by substituting a heat recovery temperature difference ΔTb2 and a calculated refrigeran...
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JP6299495B2 |
An ejector refrigeration cycle includes an upstream-side branch portion for branching a flow of a refrigerant flowing out a radiator, an upstream-side ejector having an upstream-side nozzle for decompressing one of the refrigerants branc...
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JP6301684B2 |
A CO2 water heater includes: a CO2 circulation path 14; a compressor 16, a gas cooler 18 and an expansion valve 20 provided on the CO2 circulation path 14; a bypass passage 30 to bypass the expansion valve 20; a supercritical tank 32 and...
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JP2018035951A |
To simplify a configuration of a refrigerant circuit, facilitate temperature control, suppress retention of a refrigerant and refrigeration machine oil, and easily satisfy requirements from a plurality of cooling target apparatuses.A ref...
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JP6287890B2 |
A refrigerant that has flowed out of a liquid ejector radiates heat in a radiator, and a liquid-phase refrigerant that has radiated heat in the radiator flows into an ejection refrigerant passage of the liquid ejector. A discharged refri...
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JP2018029657A |
To provide a frozen/refrigerated showcase that suppresses a rise of an internal temperature by defrosting and has a high thermal efficiency.A frozen/refrigerated showcase 1 is provided for using a refrigerating cycle C with evaporators 8...
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JP6283945B2 |
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JP2018024305A |
To provide a technology which can perform high efficiency air condition or effectively cool a power storage device in a temperature control system which is configured to use a refrigerant to perform air conditioning and cooling of the po...
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JP6277869B2 |
In an ejector refrigeration cycle, an inlet of a nozzle portion of an ejector is connected to a refrigerant outlet side of a high-stage side evaporator, a refrigerant suction port of the ejector is connected to a refrigerant outlet side ...
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JP6274277B2 |
The purpose is to improve the security of a refrigeration apparatus including plural utilization units. A refrigeration apparatus (100) comprises: a refrigerant circuit (RC) that includes a heat source unit (10) which has a compressor (1...
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JP6277005B2 |
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JP6272365B2 |
In a refrigeration cycle device according to the present invention, a first condenser (2a) and a second condenser (2b) are configured from heat exchangers that exchange heat between water and a coolant and are directly connected along th...
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JP2018009707A |
To provide a refrigerant flow passage switching unit that enables a stable operation by preventing a refrigerant from stagnating and also prevents water from leaking by attaining secure heat insulation.A refrigerant flow passage switchin...
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JP2018004098A |
To suppress uneven temperature distribution of air that has undergone heat exchange in an evaporator in a refrigeration cycle device for branching a refrigerant into an outdoor heat exchanger side and an evaporator side.A refrigeration c...
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JP6257645B2 |
In this air conditioner, a compressor (1) for compressing and discharging a cooling medium, a condenser (2) for performing heat exchange between the cooling medium discharged from the compressor (1) and a heat-source side fluid, an expan...
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JP2017227387A |
To provide an air conditioner capable of securing cooling capacity while protecting an indoor expansion valve.Liquid pipe pressure sensors 64a, 64b are disposed at positions in the vicinity on upstream sides of indoor expansion valves 52...
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JP2017223141A |
To provide a heat exchange device capable of improving heat radiation performance.A heat exchange device 10 includes a condenser 11, a low water temperature radiator 12, a heat absorption source 13, and a high water temperature radiator ...
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