Title:
HEAT PUMP CYCLE
Document Type and Number:
WIPO Patent Application WO/2011/155204
Kind Code:
A1
Abstract:
In a heat pump cycle, the same outer fins (50) are connected to refrigerant tubes (16a) of an outdoor heat exchanger (16) which functions as an evaporator which evaporates refrigerant, and to coolant tubes (43a) of a radiator (43) which dissipates the heat of the coolant from a running electric motor (MG) which is an external heat supply. The heat retained by the coolant flowing through the coolant tubes (43a) can transfer heat to the refrigerant tubes (16a) of the outdoor heat exchanger (16) via the outer fins (50). Thus, during defrosting operations, when the coolant is passed through the radiator (43) to defrost the outdoor heat exchanger (16), heat transfer loss is suppressed when heat retained by the coolant is transferred to the outdoor heat exchanger (16), enabling the effective use of heat supplied from the running electric motor (MG) to defrost the outdoor heat exchanger (16).
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Inventors:
KATOH, Yoshiki (C/O DENSO CORPORATION, 1-1 Showa-cho, Kariya-cit, Aichi 61, 〒4488661, JP)
加藤 吉毅 (〒61 愛知県刈谷市昭和町１丁目１番地株式会社デンソー内 Aichi, 〒4488661, JP)
加藤 吉毅 (〒61 愛知県刈谷市昭和町１丁目１番地株式会社デンソー内 Aichi, 〒4488661, JP)
Application Number:
JP2011/003257
Publication Date:
December 15, 2011
Filing Date:
June 09, 2011
Export Citation:
Assignee:
DENSO CORPORATION (1-1 Showa-cho, Kariya-city Aichi, 61, 〒4488661, JP)
株式会社デンソー (〒61 愛知県刈谷市昭和町１丁目１番地 Aichi, 〒4488661, JP)
KATOH, Yoshiki (C/O DENSO CORPORATION, 1-1 Showa-cho, Kariya-cit, Aichi 61, 〒4488661, JP)
株式会社デンソー (〒61 愛知県刈谷市昭和町１丁目１番地 Aichi, 〒4488661, JP)
KATOH, Yoshiki (C/O DENSO CORPORATION, 1-1 Showa-cho, Kariya-cit, Aichi 61, 〒4488661, JP)
International Classes:
F25B47/02
Attorney, Agent or Firm:
KIN, Junhi (6th Floor, Takisada Bldg. 2-13-19, Nishiki, Naka-ku, Nagoya-cit, Aichi 03, 〒4600003, JP)
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Claims: