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JP7026122B2 |
A system for providing air conditioning to a living space and heating potable water. The system comprising a heat pump circuit comprising a compressor for circulating a refrigerant around the heat pump circuit, a first condenser, a secon...
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JP7023694B2 |
To provide a heat source system that can be expected of an even greater energy saving effect relative to a case of utilizing a heat source device of a water cooling type as a hot heat source.A heat source system 10 comprises water servic...
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JP2022028474A |
To provide a hot water supply system that can prevent damage applied to a compressor.A hot water supply system 1 comprises: a vapor compression type heat pump circuit 10 in which a compressor 11, a first heat dissipation heat exchanger 1...
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JP7019211B1 |
To provide a cold / hot simultaneous temperature adjusting device capable of normally heating a second heat exchange fluid without executing a cooling process of the first heat exchange fluid. When the first condition of cooling the heat...
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JP7019212B1 |
To normally execute a cooling treatment and a heat treatment even in a usage environment where the cooling treatment load is large / small. When the first condition that the cooling treatment load is small is satisfied and the second con...
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JP7019215B1 |
To normally perform cooling and heating even in a usage environment where a cooling processing load is small. When a control unit 6 satisfies the first condition that the cooling treatment load is smaller than the heat treatment load and...
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JP7019614B2 |
The invention refers to a combined cooling and heating system (100) connectable to a district cooling grid (1) comprising a feed conduit (5) and a return conduit (8), the combined cooling and heating system (100) comprising: a local heat...
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JP7019214B1 |
To normally perform cooling and heating even in a usage environment where a cooling processing load is small. The control unit 6 satisfies the first condition that the cooling treatment load is smaller than the heat treatment load, and t...
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JP7019213B1 |
To normally execute a cooling treatment and a heat treatment regardless of the magnitude of a cooling treatment load, and to normally execute the heat treatment without executing the cooling treatment. When both the cooling treatment and...
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JP7012208B2 |
The present invention provides a refrigeration cycle device and a liquid heating device having the refrigeration cycle device. The refrigeration cycle device includes: a main refrigerant circuit 10 formed by sequentially connecting, to o...
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JP7000261B2 |
To provide a composite heat source heat pump device enabling efficient operation suitable for an installation environment.A composite heat source heat pump device includes: a first heat pump circuit 40 having a first compressor 43 and a ...
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JP6993568B2 |
To provide an underground heat exchange device capable of installing an underground heat collection pipe under the ground, with deflection suppressed, and an assembly method thereof.An underground heat exchange device comprises: a cylind...
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JP2021194937A |
To use excess heat of a battery for heating a vehicle interior while preventing allowable output power Wout from being excessively reduced.A control device is to control an electric vehicle. The electric vehicle comprises: a battery whic...
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JP6985502B2 |
A heat pump, having: an evaporator for evaporating a working liquid; a liquefier for condensing a compressed working vapor; a compressor motor with a suction mouth having attached thereto a radial impeller to convey a working vapor evapo...
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JP6982272B2 |
To prevent decrease in operational efficiency in boiling operation while preventing a compression rate of a compressor from being lowered below a performance lower limit.A table is provided in which a minimum rotational speed of a compre...
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JP6978118B1 |
To normally perform cooling of a first heat exchange fluid and heating of a second heat exchange fluid even in a usage environment where a cooling processing load is small. When the first condition that the cooling treatment load is smal...
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JP6969223B2 |
To provide a heat pump heat source machine capable of suppressing reduction of energy efficiency by avoiding an intermittent operation of a compressor under a low load during a heating operation.A heat pump heat source device comprises: ...
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JP6968769B2 |
To provide a composite heat source heat pump device having high operation efficiency while obtaining desired heating output.A composite heat source heat pump device includes a load-side circulation circuit 30 formed by annularly connecti...
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JP6964049B2 |
To provide a heat pump-type cold water cooling device in which going temperature control and returning temperature control are selectively executed according to the kind of an air conditioning terminal.In a cold water cooling device perf...
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JP6943800B2 |
To provide a constitution capable of reducing noise at a composite heat source heat pump device comprising several heat pump circuits containing a heat pump circuit in which outdoor air is applied as heat source.When a heat pump device 1...
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JP6943797B2 |
To provide a geothermal heat pump device capable of achieving optimal heat absorption/heat release processing with respect to the underground by preventing excessive heat absorption from the underground/utilize shortage of underground he...
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JP2021152355A |
To recover an output of a geothermal power generation system in which hot water is depleted, without receiving energy supply from the exterior.Hot water pumped out from the underground is compressed by a booster pump, and is heated by a ...
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JP2021148335A |
To design and control the HR-GSHP system.The operation design method of a geothermal heat recovery heat pump 11 system 10 includes a first calculation step in which the load carried by a plurality of geothermal heat pumps 11 is calculate...
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JP2021134935A |
To increase a heat recovery amount in an evaporator while preventing breakage of a compressor by liquid compression.A feedwater heating system 1 includes a vapor compression-type heat pump circuit 10 in which a compressor 11, a condenser...
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JP2021134933A |
To further improve efficiency in a feedwater heating system using both of a heat pump circuit and a heat exchanger for heat recovery.A feedwater heating system 1 includes: a vapor compression-type heat pump circuit 10 in which a compress...
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JP2021134954A |
To provide a freezer which can operate without causing refrigeration capacity to become insufficient even if a hot water supply temperature is increased.A freezer includes: an inter-cooler 30 which cools a discharge refrigerant from a lo...
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JP2021131223A |
To efficiently utilize geothermal heat without pumping up groundwater.In a geothermal heat utilization device in which the heat of heat medium fluid B in a cylindrical casing 10 buried in the ground is utilized in a ground facility, the ...
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JP6933599B2 |
To suppress a refrigerant discharge temperature being controlled wastefully high more than necessary, and to prevent deterioration in efficiency of an entire cold source machine.When controlling a valve opening of a first expansion valve...
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JP2021127880A |
To save energy and enhance heat efficiency by using potential heat of exhaust discharged from a coating drying furnace and by using a heat pump device.A device of removing tar according to an embodiment of the present invention, comprise...
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JP2021124206A |
To provide a heat pump type hot water heating system capable of suppressing deterioration of defrosting efficiency during normal cycle defrosting.A heat pump type hot water heating system 1 includes: a heat pump type heat source machine ...
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JP6921876B2 |
The invention refers to a heating system (100) comprising a district cooling grid (1) and a local heating system (200) configured to heat a building and/or to heat tap water for the building. The heating system has a feed conduit (5) for...
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JP6919696B2 |
A controller (80) performs a first operation in which a heat source device (20) directly or indirectly heats water in a first channel (25a) of a heat exchanger (25) and a second operation in which the heat source device (20) directly or ...
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JP2021115553A |
To provide gas treatment equipment and a gas treatment method capable of efficiently performing interaction when using treatment liquid of liquid phase separation.Gas treatment equipment S1a is equipment for separating an acidic compound...
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JP6912408B2 |
To provide a composite heat source heat pump device capable of preventing in advance generation of a heat shortage state due to that excessive heat from the underground is performed in heating operation, and generation of a heat saturate...
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JP6907596B2 |
To provide a groundwater utilization system capable of effectively utilizing groundwater pumped to lower a groundwater level.A groundwater utilization system is provided with: a hollow cylindrical casing pipe 2 buried generally verticall...
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JP6906013B2 |
To provide an air refrigerant heat pump that uses a part of CAES (Compressed Air Energy Storage) technology as a heat pump and can supply hot heat and cold by using only air and water.A heat pump 2 includes: a motor 6 driven by input ele...
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JP6896968B2 |
The utility model provides an absorption type heat exchange system (1) with a simplified device structure, which is provided with a condensation part (40) for raising the temperature of heated fluid (TS) by utilizing the condensation hea...
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JP6888079B2 |
A thermodynamic cycle apparatus is provided. The thermodynamic cycle apparatus includes: (i) a first reservoir containing a first storage medium; (ii) a second reservoir containing a second storage medium; (iii) a heat pump having a cold...
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JP6883186B2 |
To provide a heat pump system capable of improving heat exchange performance by utilizing underground-heat while suppressing costs of the system as a whole, by utilizing the underground-heat by additionally assembling a heat exchanging p...
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JP6880650B2 |
To provide a heat pump device of which control can be appropriately performed relative to a temperature rise of a control section even when the control section and a pump section are integrated with each other.A heat pump device includes...
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JP6869639B2 |
To provide a heat exchanger configured to flow supercritical fluid as heat medium to a plurality of flow passages, which can suppress drift between the plurality of flow passages to suppress deterioration of heat exchange performance of ...
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JP6870570B2 |
A vehicular heat management system includes a heat pump cycle capable of heating a heat-exchanging-object fluid by using exhaust heat of an in-vehicle device as a heat source that radiates heat during operation, and an exhaust-heat refri...
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JP2021071234A |
To enable stable heat exchange in a long term.A heat exchange device includes a water reservoir for storing heat source water, and a heat exchanger in which a heat medium in a usage side circulates. The heat exchange device is configured...
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JP2021067427A |
To provide a feedwater heating system capable of stably improving heat exchange efficiency in the system as a whole, while suppressing increase in size of the whole system.A feedwater heating system includes: a heat pump 20 successively ...
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JP6861932B2 |
Despite otherwise uncomfortable conditions in a surrounding environment, a customizable microenvironment can be created around a user to maintain a comfortable temperature and/or humidity level using a comfort unit. For example, the envi...
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JP6849142B2 |
It is an object to provide a steam generation heat pump system that allows heat released from a heat exchanger, provided to adjust the temperature of oil in a compressor, to be effectively recycled in the system. The steam generation hea...
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JP6846770B2 |
To provide a heat pump system which achieves cost reduction.A heat pump system 1 includes: a passage 13; a heat pump part 2; a groundwater passage 61; and a pump part 62. The passage 13 is a passage through which a liquid 17 flows. The p...
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JP6846702B2 |
To provide a heat pump apparatus in which energy saving and durability improvement are achieved and continuous operation for long time is enabled.A heat pump apparatus has a structure which has an evaporator 8, a compressor 9, a condense...
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JP6843571B2 |
To suppress power consumption when operating a heat source system in which an air-cooled type heat pump heat source machine and a water heat source type heat pump heat source machine are combined.An operation control device includes a fi...
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JP6832747B2 |
To provide a heat pump type water heater capable of appropriately detecting idling of a water circulation device caused by mixing of air and clogging of water piping of a water-refrigerant heat exchanger.A heat pump type water heater inc...
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