(19)

(11)

EP 2 389 548 A2

(12)

(88) Date of publication A3: 07.10.2010 (43) Date of publication: 30.11.2011 Bulletin 2011/48 (21) Application number: 09801563.9 (22) Date of filing: 18.12.2009

(51) International Patent Classification (IPC):  F25B 9/06(2006.01) (86) International application number: PCT/JP2009/007020 (87) International publication number: WO 2010/084552 (29.07.2010 Gazette 2010/30)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 20.01.2009 JP 2009009707 (71) Applicant: Panasonic Corporation Kadoma-shi Osaka 571-8501 (JP)

(72) Inventors: OGATA, Takeshi Chuo-ku, Osaka-shi Osaka 540-6207 (JP) TANIGUCHI, Katsuji Chuo-ku, Osaka-shi Osaka 540-6207 (JP) WADA, Masanobu Chuo-ku, Osaka-shi Osaka 540-6207 (JP) HASEGAWA, Hiroshi Chuo-ku, Osaka-shi Osaka 540-6207 (JP) YAKUMURA, Yuichi Chuo-ku, Osaka-shi Osaka 540-6207 (JP) (74) Representative: Fritsche, Rainer  Eisenführ, Speiser & Partner Postfach 31 02 60 80102 München 80102 München (DE)