(19)
(11) EP 2 128 384 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 153(4) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
03.03.2010 Bulletin 2010/09

(43) Date of publication:
02.12.2009 Bulletin 2009/49

(21) Application number: 07832272.4

(22) Date of filing: 21.11.2007
(51) International Patent Classification (IPC): 
F01C 21/06(2006.01)
F01C 13/04(2006.01)
F04C 18/02(2006.01)
F04C 29/02(2006.01)
F01C 1/356(2006.01)
F01C 21/04(2006.01)
F04C 29/00(2006.01)
F04C 29/04(2006.01)
(86) International application number:
PCT/JP2007/072542
(87) International publication number:
WO 2008/087795 (24.07.2008 Gazette 2008/30)
(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 MT NL PL PT RO SE SI SK TR

(30) Priority: 15.01.2007 JP 2007005511

(71) Applicant: Panasonic Corporation
Kadoma-shi Osaka 571-8501 (JP)

(72) Inventors:
  • TAKAHASHI, Yasufumi
    Osaka 540-6207 (JP)
  • HASEGAWA, Hiroshi
    Osaka 540-6207 (JP)
  • HIKICHI, Takumi
    Osaka 540-6207 (JP)
  • OGATA, Takeshi
    Osaka 540-6207 (JP)

(74) Representative: Ehlers, Jochen 
Eisenführ, Speiser & Partner Johannes-Brahms-Platz 1
20355 Hamburg
20355 Hamburg (DE)

   


(54) EXPANDER-INTEGRATED COMPRESSOR


(57) An expander-integrated compressor 200A includes a closed casing 1, a compression mechanism 2, an expansion mechanism 3, a shaft 5, an oil pump 6, and a heat insulating structure 30A. The oil pump 6 is disposed between the compression mechanism 1 and the expansion mechanism 3, and draws, via an oil suction port 62q, an oil held in an oil reservoir 25 to supply it to the compression mechanism 2. The heat insulating structure 30A is disposed between the oil pump 6 and the expansion mechanism 3, and limits a flow of the oil between an upper tank 25a, in which the oil suction port 62q is located, and a lower tank 25b, in which the expansion mechanism 3 is located, so as to suppress heat transfer from the oil filling the upper tank 25a to the oil filling the lower tank 25b .