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1. EP1972862 - HEAT PUMP HOT WATER SUPPLY DEVICE

Office
European Patent Office
Application Number 06832949
Application Date 20.11.2006
Publication Number 1972862
Publication Date 24.09.2008
Publication Kind A4
IPC
F24H 9/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, IN GENERAL
9Details
F24H 1/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, IN GENERAL
1Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater
F25B 1/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
1Compression machines, plant or systems with non-reversible cycle
CPC
F24D 17/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
17Domestic hot-water supply systems
02using heat pumps
F25B 9/008
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
9Compression machines, plant, or systems, in which the refrigerant is air or other gas of low boiling point
002characterised by the refrigerant
008the refrigerant being carbon dioxide
F25B 13/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
13Compression machines, plant or systems with reversible cycle
F25B 2309/061
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2309Gas cycle refrigeration machines
06Compression machines, plant or systems characterised by the refrigerant being carbon dioxide
061with cycle highest pressure above the supercritical pressure
F25B 2313/003
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2313Compression machines, plant, or systems with reversible cycle not otherwise provided for
003Indoor unit with water as a heat sink or heat source
F25B 2313/0213
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2313Compression machines, plant, or systems with reversible cycle not otherwise provided for
021Indoor unit or outdoor unit with auxiliary heat exchanger not forming part of the indoor or outdoor unit
0213the auxiliary heat exchanger being only used during heating
Applicants SHARP KK
Inventors KAKIUCHI ATSUSHI
Designated States
Priority Data 2005378539 28.12.2005 JP
Title
(DE) HEISSWASSERZUFUHRVORRICHTUNG FÜR WÄRMEPUMPE
(EN) HEAT PUMP HOT WATER SUPPLY DEVICE
(FR) DISPOSITIF D ALIMENTATION EN EAU CHAUDE D UNE POMPE A CHALEUR
Abstract
(EN) The heat pump water heater comprises a CO 2 cycle 1 in which CO 2 refrigerant circulates, a R410A cycle 2 in which R410A refrigerant circulates, and a water heat exchanger 32 for conducting heat exchange between the CO 2 refrigerant and/or the R410A refrigerant and water, wherein the R410A cycle 2 includes a circulation path 20 passing through the water heat exchanger 32, a circulation path 40 passing through a indoor air heat exchanger 4 that conducts heat exchange between the R410A refrigerant and indoor air, and a four-way valve 24 for switching the circulating direction of the R410A refrigerant in the present R410A cycle 2 to provide heat pump water heater, capable of using a heat pump cycle for supplying hot water in cooling and heating (air-conditioning). And also, to obtain a sufficient temperature and an amount of the hot water supply when the heat pump water heater simultaneously conducts heating and supplying hot water.
(FR) La présente invention concerne un dispositif d’alimentation en eau chaude d’une pompe à chaleur dans lequel un cycle de pompe à chaleur destiné à l’alimentation en eau chaude peut être utilisé pour refroidir et chauffer (climatiseur) et dans lequel on obtient une température et une quantité suffisantes d’eau chaude lorsque l’on délivre de l’eau chaude en même temps que le chauffage. Le dispositif d’alimentation en eau chaude possède un cycle CO2 (1) dans lequel circule un réfrigérant CO2 ainsi qu’un cycle R410A (2) dans lequel circule un réfrigérant R410A ; un échangeur de chaleur d’eau (32) destiné à effectuer un échange de chaleur entre l’eau et le réfrigérant CO2 et/ou le réfrigérant R410A. Le cycle R410A (2) possède un trajet de circulation (20) passant par l’échangeur de chaleur d’eau (32), un trajet de circulation (40) passant par un échangeur de chaleur d’air intérieur (4) destiné à échanger la chaleur entre le réfrigérant R410A et de l’air intérieur, et une vanne à quatre voies (24) destinée à modifier le sens de la circulation du réfrigérant R410A dans le cycle R410A (2).
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