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WO/1982/000707 |
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/1981/001738 |
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/1981/001607 |
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/1980/002870 |
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/1980/002738 |
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/1980/000490 |
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/1979/000571 |
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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JP2012017945 |
To efficiently operate a hot water supply apparatus on boiling water at a high water supply temperature by setting an optimum target pressure on the basis of the water supply temperature and the boiling temperature.The hot water supply a...
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JP2012017926 |
To provide a steam system compatible with a change of a use load of steam, which can supply steam having stable steam pressure to steam use equipment, even if there is a difference between steam pressure from a heat pump and steam pressu...
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JP2012013240 |
To provide an under-floor heat-storage type heating-system capable of supplying such calorific value as considers heat radiation from a mat-foundation lower part and from a rising part of the foundation.A hot-water pipe 21 is laid in a f...
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JP2012007825 |
To provide a heat pump water heater capable of preventing refrigerant gas of an intermediate pressure separated by an intermediate pressure receiver from being sucked into a compression mechanism on a higher stage side of a two-stage com...
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JP2012002403 |
To provide an absorption heat pump which suppresses an increase of an apparatus installing area while enlarging a heat source use temperature to take out more vapor.The absorption heat pump 1 includes a first vaporizer 20 for generating ...
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JP2012002454 |
To provide an absorption heat pump which does not cause a large offset in a flow rate of a heating fluid inside a heat exchanger tube of an absorber for generating a heating fluid gas, and can suppress a decrease of an effective area rat...
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JP2012002426 |
To protect a compressor in defrost operation in a heat pump cycle in which the defrost operation of an evaporator is performed by increasing a throttle opening of a variable throttle mechanism.The throttle opening of an electric type exp...
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JP2011257123 |
To cope with variation in steam usage in a steam system including a heat pump and a boiler.In the heat pump 2, a compressor 4, a condenser 5, an expansion valve 6, and an evaporator 7 are sequentially connected in a circular arrangement,...
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JP2011257043 |
To provide a heat pump capable of obtaining fluid to be heated having a temperature exceeding 120°C by utilizing waste heat.A hybrid heat pump 1 includes a compression heat pump 2 and an absorption heat pump 3. The compression heat pump...
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JP2011257122 |
To provide a heat pump steam generating device that can respond to changes in the usage load of steam.The device includes a heat pump 2 in which a compressor 3, a condenser 4, an expansion valve 5, and an evaporator 6 are sequentially co...
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JP2011257101 |
To provide layout construction of respective devices inclusive of a refrigerant/water heat exchanger of a packaged type engine-driven water heater.In the packaged type engine-driven water heater 1, a compressor 31 is driven by an engine ...
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JP2011252622 |
To provide a heat pump type hot water supplying/air conditioning apparatus which performs superheat control and supercool control simultaneously, prevents an expansion valve from going into an out-of-control situation, and at the same ti...
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JP2011247564 |
To provide an air conditioning system that is suppressed in the power consumption of an air conditioner to the minimum using a heat pump with underground heat as a heat source, and to provide its control method.The air conditioning syste...
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JP2011245212 |
To prevent overflow of water derived from dehumidification by detecting drain abnormality of the water by a simple structure.A dehumidifying/heating device comprises: a drain pan 11 for receiving dew condensation water generated through ...
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JP2011245413 |
To enhance the energy efficiency of a water treatment system, and to perform stable temperature control.There is provided a water treatment system including: a plurality of apparatuses 1, 2, 3 and 4; a plurality of piping zones 11 and 12...
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JP2011242013 |
To provide an absorption heat pump for easily utilizing an exhaust gas as the heat source of an evaporator and a regenerator.The absorption heat pump includes: the evaporator E for evaporating a refrigerant CL by a heat source gas GH; an...
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JP2011242012 |
To provide an absorption heat pump for effectively utilizing absorption heat while suppressing conveying power.The absorption heat pump 1 includes: a first absorber 10 for heating a medium W to be heated with absorption heat generated wh...
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JP2011242014 |
To provide an absorption heat pump capable of recovering a heat amount of a heat source fluid as much as possible.The absorption heat pump includes: a first evaporator E1 for heating and evaporating a refrigerant by the heat source fluid...
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JP2011242016 |
To provide an absorption heat pump which can be operated with appropriate COP while making it possible to improve temperature elevating capacity.The absorption heat pump 1 includes: a first absorber 10 for heating a medium W to be heated...
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JP2011237098 |
To provide a heat source system which enables checking of a trial effect of a heat pump by temporarily installing the heat pump and enabling a test operation, which enhances customer satisfaction and which can promote the introduction of...
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JP2011232000 |
To provide a heat pump water heater using a CO2 refrigerant, which can achieve an increase in capacity while keeping the size of a container for a component equal to or smaller than a fixed size specified by the High Pressure Gas Safety ...
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JP2011231999 |
To provide an industrial heating system which keeps energy efficiency stably high.The industrial heating system includes: a heat pump device (12) for heating a first fluid; a heat exchanger (32) which transfers heat of the first fluid, h...
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JP2011226676 |
To provide a hot water heat source machine of high efficiency by ensuring necessary heating capacity without increasing a capacity of a low order-side refrigerating cycle.When an operational frequency of a low order-side compressor 11 be...
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JP2011226692 |
To provide a geothermal utilization system sufficiently utilizing geothermal as a heat source, and being executed at a comparatively low cost with a simple structure.A geothermal heat exchange pipe 3 includes a liquid heat medium passes ...
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JP2011226755 |
To provide a system capable of efficiently and effectively utilizing groundwater.A groundwater utilization system includes a pumping well 1 for pumping up groundwater, an air conditioning device 3 performing air conditioning utilizing re...
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JP2011226660 |
To provide a geothermal heat pump device, capable of precisely carrying out ice melting operation, by accurately deciding the freeze of a coolant pipe of a heat source side heat exchanging side functioning as an evaporator during load op...
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JP2011220603 |
To provide a geothermal utilization system that saves the trouble to bury pipes in the ground.The geothermal utilization system includes a piping system (La) buried in the ground (G). The piping system (La) is configured to function such...
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JP2011214776 |
To perform an efficient operation as a whole by switching an operation of a high-order side refrigerating cycle according to a hot water supply temperature and a water flow rate between hot water supply and hot-water heating.A transient ...
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JP2011210685 |
To provide a fuel cell cogeneration device capable of improving heat recovery efficiency even if a heat pump is efficiently operated so as to achieve water self-sustained operation.The fuel cell cogeneration device includes: a compressio...
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JP2011202899 |
To provide an effective defrosting device of an air heat exchanger utilizing heat of exhaust air by a 24-hour ventilation system.This defrosting device includes (1) an exhaust duct 2 (piping between ventilating hole 10a and second vent h...
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JP2011202894 |
To provide a heat exchange method of a heat exchanger miniaturizing a cabinet external volume of a heat storage tank, and reducing cost.A bag made of resin film along a square cabinet is used for a round metallic heat storage tank for su...
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JP2011196647 |
To solve a problem wherein in a conventional heat pump water heater, an abnormal stop may occur due to overload of a compressor in an upwind state.This heat pump water heater includes: a compressor 8 compressing and discharging a refrige...
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JP2011196648 |
To solve the problem wherein in a heat pump water heater, when passage air amount of an air heat exchanger becomes excessive, evaporation capacity becomes excessive, leading to decline in a COP (heating efficiency).This heat pump water h...
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JP2011179702 |
To effectively utilize exhaust cold of a heat pump type hot water supply device.In this cold storage, a part of a second refrigerant circuit is received inside a housing configuring a cold storage body including a first refrigerant circu...
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JP2011173213 |
To provide a production line system in relation to machining equipment, with high energy efficiency and rich flexibility.The production line system 1 includes a cooling processing step of cooling a coolant for machining equipment (lathes...
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JP2011174656 |
To improve energy saving performance while obtaining a stable floor surface temperature and performing proper control, in a heat pump type floor heating/cooling device supplying cold water cooled by a heat pump device 30 to a water flow ...
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JP2011169539 |
To provide a heat use system capable of effectively using exhaust heat of a steam condenser.The heat use system 1 includes a turbo-type heat pump 4 which has an evaporator exchanging heat between a refrigerant and heat source water, a co...
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JP2011169586 |
To provide an absorption heat pump generating a refrigerant liquid flow for transferring refrigerant liquid to an evaporation part and a refrigerant liquid flow for taking out the refrigerant liquid from the evaporation part and then, re...
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JP2011163572 |
To provide a heat pump hot water supply device capable of improving heat efficiency of a hot water supply device.A heat exchanger 38 for hot water supply is disposed in a downstream-side refrigerant circulation pipe 15b between an expans...
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JP2011153813 |
To provide an air conditioning system including a cogeneration system with an improved energy-saving effect by efficiently using waste heat of a gas engine by a simple configuration.The air conditioning system 100 includes the cogenerati...
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JP2011149664 |
To provide a method capable of easily arranging a plurality of heat exchange pipes used in a heat supply system utilizing heat energy in a pool, on the bottom of the pool in a short time.The heat exchange unit 1 is configured by arrangin...
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JP2011149573 |
To provide an efficient heat storage system having high thermal storage density.The heat storage system 100 includes: a reaction container 1 having an opening section 21 thereon and containing a heat storage material 3; a heat storage ma...
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JP2011145046 |
To provide a practical air conditioning system favorable for an environment, and inexpensive in facility cost and fuel-and-light expenses, while ventilated for 24 hours, and capable of bringing the whole inside of a building into a comfo...
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