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Title:
HEAT EXCHANGER
Document Type and Number:
Japanese Patent JP2010223547
Kind Code:
A
Abstract:

To reduce pressure loss of a refrigerant circulated in heat exchangers.

The heat exchangers 23, 24 include a first heat exchanging section 42, a second heat exchanging section 43, a third heat exchanging section 44, a first auxiliary refrigerant pipe 46, a second auxiliary refrigerant pipe 47, a third auxiliary refrigerant pipe 48, a first three-way valve 51 for switching a first state in which the first heat exchanging section 42 and the second heat exchanging section 43 are connected and an outlet end of the first auxiliary refrigerant pipe 46 is closed, and a second state in which an outlet end of the first heat exchanging section 42 is closed and the first auxiliary refrigerant pipe 46 and the second heat exchanging section 43 are connected, and a second three-way valve 52 for switching a third state in which the second heat exchanging section 43 and the third heat exchanging section 44 are connected and an inlet end of the third auxiliary refrigerant pipe 48 is closed, and a forth state in which an inlet end of the third heat exchanging section 44 is closed and the third auxiliary refrigerant pipe 48 and the second heat exchanging section 43 are connected.


Inventors:
FURUI HIDEJI
MORIWAKI MICHIO
Application Number:
JP2009074050A
Publication Date:
October 07, 2010
Filing Date:
March 25, 2009
Export Citation:
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Assignee:
DAIKIN IND LTD
International Classes:
F28F27/02
Domestic Patent References:
JP2000055494A2000-02-25
JPH11316067A1999-11-16
JP2000205684A2000-07-28
JP2006317063A2006-11-24
JPS56136283U1981-10-15
Attorney, Agent or Firm:
Hiroshi Maeda
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Atsushi Fujita
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori
Seki Kei
Yasuya Sugiura



 
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