(19)
(11) EP 1 635 129 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.01.2017 Bulletin 2017/02

(43) Date of publication A2:
15.03.2006 Bulletin 2006/11

(21) Application number: 05019588.2

(22) Date of filing: 08.09.2005
(51) International Patent Classification (IPC): 
F25B 13/00(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK YU

(30) Priority: 08.09.2004 JP 2004260403

(71) Applicant: Johnson Controls-Hitachi Air Conditioning Technology (Hong Kong) Limited
Hong Kong (CN)

(72) Inventors:
  • Ishigami, Tatsuya, c/o Shimizu Works
    Shimizu-ku, Shizuoka-shi, Shizuoka (JP)
  • Yoshida, Yasutaka, c/o Shimizu Works
    Shimizu-ku, Shizuoka-shi, Shizuoka (JP)
  • Yamada, Noriyoshi, c/o Shimizu Works
    Shimizu-ku, Shizuoka-shi, Shizuoka (JP)

(74) Representative: MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB 
Paul-Heyse-Strasse 29
80336 München
80336 München (DE)

   


(54) Air conditioner


(57) In an air conditioner comprising an exterior heat exchanger (2a, 2b) usable as desired one of an evaporator and a condenser, a first interior heat exchanger (6a) usable as another evaporator, a second interior heat exchanger (6b) usable as another condenser, and a compressor (1) for pressurizing the refrigerant, a valve means (3a, 3b, 4a, 4b, 5, 8a, 8b, 9a, 9b) is capable of changing a flow course of refrigerant between a cooling main course using the exterior heat exchanger as the condenser and a heating main course using the exterior heat exchanger as the evaporator.







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