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WO/1983/004088A1 |
In a heat pump system for domestic hot water, a compressor section (18) provides working fluid at a multiplicity of pressures. Multiple condensers (12, 14) are arranged so that higher pressure working fluid is in heat exchange relationsh...
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WO/1983/002660A1 |
A heating device for buildings, such as houses, appartment buildings or the like and comprising a heat pump circuit consisting of a compressor (11), a condensor (12) and an evaporator (13). The object of the invention is to provide a hea...
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WO/1983/001102A1 |
Sea water is supplied in a constant or variable flow to a heat exchanger (3) and returned to the sea. A heat carrying medium is pumped simultaneously through the heat exchanger (3) and a supply conduit (7, 11) to an evaporator for a per ...
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WO/1983/000379A1 |
According to the method, the heat is collected from a pipe-work of waste waters by means of a heat pump. To obtain a high degree of efficiency and to maintain the temperature of waste waters at a relatively high level, the heat pump uses...
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WO/1982/003448A1 |
There are disclosed installations (ABED, BCFE) with a plurality of stages, which operate by means of absorption circuits, which may be used to convert heating energy and/or other energies and which are characterized by a high degree of e...
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WO/1982/003266A1 |
In a sorption heat pump, comprising a separator (1), a condenser (11), a choke member (22), an evaporator (26) and a consumer (52), the pressure or the temperature in the high pressure portion of the heat pump is taken as a regulated var...
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WO/1982/003267A1 |
The setting of the absorption heat pumps depending on the location where the heat pump is set up cannot be done beforehand, but must be executed individually for each machine at the set-up location following the indications of the user a...
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WO/1982/003265A1 |
In a heat pump which comprises a separator (1), a burner (4), a condenser (13), a choke member (15), a recycling member, an evaporator (17) and a consumer (24), a regulating device (12) should reduce to the minimum the input of primary e...
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WO/1982/001323A1 |
A novel combination of a fractionating column (1) and a closed cycle absorption heat pump is provided. The heat pump comprises an absorber (5) for supplying energy to a reboiler (4) from the heat of absorption of a liquid portion of the ...
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WO/1982/000958A1 |
The invention addresses the problem of reducing the high temperature input heat required for a distillation process or other thermally activated separation process. The heat reduction is accomplished by means of using a reverse cycle abs...
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WO/1982/000707A1 |
Sensible waste heat (Q1) from industrial or other sources is boosted to useful temperature levels by combining at least one Rankine vapor generation cycle with at least one solution heat pump cycle. Waste heat is utilized to boil off ref...
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WO/1981/001738A1 |
Method for operating a heat pump, wherein the cold refrigerating fluid is heated by supplying heat, and compressed and fed to a heat exchanger (5), cooled thereafter by expansion and brought back to the region (1) of heat supply. The hea...
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WO/1981/001607A1 |
The process allows to obtain heat for heating by means of compression at a high temperature of a working fluid in a vapor phase. The fluid is thus condensed, expanded, vaporized and again compressed. The heat required to the vaporization...
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WO/1980/002870A1 |
Heat pump apparatus for conditioning a fluid characterized by a fluid handler (17) for circulating the fluid in heat exchange relationship with a refrigerant fluid; two refrigerant heat exchangers (21, 25) one (21) for effecting the heat...
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WO/1980/002738A1 |
Heat being dissipated by a first heating medium in a heat source circulating circuit (E) is absorbed through an evaporator (101), and a second heating medium which is circulating in a heat pump circuit (D) and which is compressed and rai...
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WO/1980/000490A1 |
The plant comprising a heat pump and used to collect the heat for heating from surrounding heat sources such as outdoor air, is provided with a water tank (5) which is in heat exchange relationship on one hand with the surrounding heat s...
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WO/1979/000571A1 |
Method and apparatus for heating by means of heat pumping. The heat pumping is effected in two separate pump stages (15-22-23, 16-24-25; 115-122-123, 116-124-125). In order to reduce the energy losses air is being circulated through a he...
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JP7474987B2 |
To provide a heat pump system that reduces installation cost.A heat pump system 1A heats or cools a second heat medium 392 by using a first heat medium 391 as a heat source. The heat pump system 1A comprises a solar heat collector 211, a...
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JP2024517209A |
A double hybrid heat pump, system, and method of operation that provides increased efficiency, hot water, and other benefits in both heating and cooling modes. This system includes a compressor for compressing low-pressure gas-phase refr...
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JP7466168B2 |
To provide a road surface heating system having a high power saving effect while obtaining a high heating effect according to environmental characteristics such as snowfall and temperature conditions in a heating target area.A road surfa...
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JP7465232B2 |
To prevent a discharge temperature for a refrigerant from exceeding a target discharge temperature due to temperature rise in a short time, to secure stable control, when heating of circulation liquid is started using heat received from ...
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JP7464700B2 |
The present invention describes a heat pump and a method for installing the same inside an indoor space. The heat pump comprises a refrigerant circuit configured to circulate flammable refrigerant as well as an indoor unit (10) configure...
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JP7462453B2 |
To provide a heat pump type water heater capable of boiling up total amount of hot water in a hot water storage tank to a temperature as high as possible.A heat pump type water heater includes: a hot water storage tank (20) storing hot w...
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JP7460825B1 |
The present invention provides a steam supply system that can effectively utilize generated negative pressure steam at a heat utilization site. [Solution] A steam supply system 1A includes a water circulation path 3. The water circulatio...
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JP7458611B2 |
To provide a method for evaluating a heat conductivity in soil, which can evaluate a heat conductivity in soil in consideration of an amount of heat transfer associated with the transfer of water vapor.A method for evaluating a heat cond...
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JP2024037365A |
[Problem] To propose a heating system for a ship that can eliminate parts subject to chemical cleaning from a heat pump type unit. A heating system for a ship includes a first unit 10, a seawater heat exchanger 101, a second unit 20, and...
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JP7449465B2 |
To provide a heat pump hot water supply device capable of suppressing overcurrent of a compressor when operation caused by product unevenness of an expansion valve starts.In a heat pump hot water supply device which includes a heat pump ...
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JP7448908B2 |
A sorption heat pump having an evaporator containing a working fluid to evaporate the fluid to produce a gas, a sorber containing a sorption material to sorb the gas during a sorption phase, a vapor pathway connecting the evaporator and ...
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JP2024508664A |
A heating installation comprising an energy storage comprising a latent heat energy storage medium and a heat pump having a defrost cycle, the heating installation comprising: a hot water supply system arranged to supply instantaneously ...
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JP7432841B2 |
To provide a heat pump device capable of properly reducing noise caused by vibration of a condensation heat exchanger with a simple constitution.A heat pump device A includes: a condensation heat exchanger 3 in which a water pipe 31 and ...
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JP2024012151A |
The present invention provides a heat exchanger that can ensure heat exchange performance even when there is a difference in pressure between two fluids when they flow in, and a refrigerant cycle device and water heater using the same. A...
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JP7419871B2 |
To realize heating of high efficiency, in a feedwater heating system using both of a heat pump circuit and a heat recovery heat exchanger.A feedwater heating system 1 includes: a heat pump circuit 10; a heat recovery heat exchanger 40; a...
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JP7411929B2 |
To provide a refrigeration apparatus capable of efficiently cooling a cooling apparatus without a shortage of the refrigeration capacity even when a hot water supply temperature is increased. A water pipe 50 includes: a first water pipe ...
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JP7395562B2 |
A refrigerant composition comprising carbon dioxide (CO2; R-744) and from 1 to 32 weight % difluoromethane (R-32) based on the total weight of the composition is described. Also described is the use of the refrigerant composition for pro...
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JP7390186B2 |
To increase thermal efficiency, reduce annual energy consumption and running cost and reduce CO2 while controlling a device from being complicated and increased in size.A vacuum type water heater includes: a sealed can body 2 of which in...
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JP7390185B2 |
To increase thermal efficiency, reduce annual energy consumption and running cost and reduce CO2 while controlling a device from being complicated and increased in size.A vacuum type water heater includes: a sealed can body 2 of which in...
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JP7390187B2 |
To increase thermal efficiency, reduce annual energy consumption and running cost and reduce CO2 while controlling a device from being complicated and increased in size.A vacuum type water heater includes: a sealed can body 2 of which in...
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JP2023171399A |
To provide an open loop type and direct expansion type heat pump device having low cost and furthermore having improved heat exchange efficiency compared to a closed loop type heat pump device.A multi heat source-heat pump device include...
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JP2023168782A |
To suppress increase of a boiling-up time and to suppress breakdown of thermal stratification in a hot water storage tank, in a storage type water heater having a plurality of refrigerant circuits.A storage type water heater includes: a ...
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JP7386895B2 |
Provided is a heat pump device capable of suppressing a reduction in the heating capacity of a compressor when there is no need to reduce the heating capacity of the compressor when the temperature of the water flowing into a heat exchan...
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JP7379846B2 |
To provide a heat pump cycle device suppressing deterioration of a COP value.When a heat pump cycle device 100 is performing a heating operation, an opening of an expansion valve 4 is adjusted in order to set an actual refrigerant superc...
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JP7380739B2 |
This heat pump device includes a low order-side circuit, a high order-side circuit, a water circuit, a use-side terminal, and a control device. The low order-side circuit circulates a first refrigerant. The high order-side circuit circul...
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JP7376921B2 |
To provide a cooling/heating supply system which is user-friendly, which can be used to melt snow, and which has achieved reduction in operation cost and simple operability.A cooling/heating supply system includes: a primary side piping ...
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JP2023162661A |
To provide a carbon dioxide recovery system which can recover carbon dioxide with high heat efficiency while inhibiting discharge of carbon dioxide occurring to obtain a heat source even if a carbon dioxide discharge source is an arbitra...
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JP2023159638A |
To provide a reactor capable of reducing a size of a chemical heat pump, and a chemical heat pump.A reactor 21 is used for a chemical heat pump. The reactor 21 comprises a heat storage unit 31 having a first heat exchanger and a chemical...
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JP2023149312A |
To provide a controller that easily maintain heat balance and volume balance throughout the year, an underground heat utilization system, a control method and a program.A controller comprises: a material balance control unit that control...
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JP7359361B2 |
To provide an open loop type and direct expansion type heat pump device having low cost and furthermore having improved heat exchange efficiency compared to a closed loop type heat pump device.The heat pump device is provided that includ...
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JP7357324B2 |
To provide an open loop type and direct expansion type heat pump device having low cost and furthermore having improved heat exchange efficiency compared to a closed loop type heat pump device.A multi heat source-heat pump device include...
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JP2023135061A |
To provide a steam generation device capable of enhancing the degree of dryness of steam generated by using a chemical thermal storage medium, while suppressing deterioration in a performance factor.A chemical heat pump 12 includes: a he...
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JP7351473B2 |
To efficiently operate a heat pump.The system comprises plural heat source machines 13 including an underground heat pump 11 and an auxiliary heat source machine 12, a load processing machine 14 for converging cold water and warm water f...
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