Air-conditioner and operation control method thereof

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(11)

EP 1 632 738 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	23.05.2012 Bulletin 2012/21

(43)	Date of publication A2:
	08.03.2006 Bulletin 2006/10

(21)	Application number: 05101673.1

(22)	Date of filing: 04.03.2005

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International Patent Classification (IPC):

F25B 49/02^(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 MC NL PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA HR LV MK YU

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Priority:

20.08.2004 KR 2004066061

(71)	Applicant: LG Electronics, Inc.
	Seoul (KR)

(72)	Inventors:
	Hwang, Yoon-Jei Yongsan-Gu, Seoul (KR) Jang, Ji-Young Park Town Samik Apt. 123-802 Gyeonggi-Do (KR) Song, Chan-Ho Gyeonggi-Do (KR) Park, Jeong-Taek Seoul (KR)

(74)	Representative: Gille Hrabal
	Patentanwälte Brucknerstrasse 20 40593 Düsseldorf 40593 Düsseldorf (DE)

(54)	Air-conditioner and operation control method thereof

(57) An air-conditioner includes a small-capacity compressor and a large-capacity compressor for compressing a refrigerant to a high temperature high pressure gaseous refrigerant; a valve for connecting a suction opening of a refrigerant channel of the large-capacity compressor and a discharge passage of a refrigerant channel of the large-capacity compressor; and a controller for controlling the small-capacity compressor, the large-capacity compressor and the valve.

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