The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 13, 2005
Filed:
Aug. 15, 2003
Jong Han Park, Gwangmyeong-si, KR;
Young Min Park, Incheon-si, JP;
Chang Seon Lee, Seoul, KR;
Sung OH Choi, Gwangmyeong-si, KR;
Sung Chun Kim, Seoul, KR;
Jong Han Park, Gwangmyeong-si, KR;
Young Min Park, Incheon-si, JP;
Chang Seon Lee, Seoul, KR;
Sung Oh Choi, Gwangmyeong-si, KR;
Sung Chun Kim, Seoul, KR;
LG Electronics Inc., Seoul, KR;
Abstract
Disclosed is a multi-air conditioner including: an outdoor unit having a compressor, an outdoor heat exchanger, and an outdoor fan for ventilating the outdoor heat exchanger; a plurality of indoor units each having an electronic expansion valve and an indoor heat exchanger; a distributor for selectively guiding a refrigerant of the outdoor unit into the plurality of indoor units according to an operation condition; a four-way valve for selectively switching a flow direction of the refrigerant flowing through the outdoor heat exchanger; a selective expansion unit for selectively expanding the refrigerant according to the flow direction of the refrigerant; a gas-liquid separator for separating a vapor-phase refrigerant and a liquid-phase refrigerant, from the refrigerant flowing from the outdoor heat exchanger; and a connection tube part having a first connection tube for connecting the four-way valve with a distributor, a second connection tube for connecting an upper portion of the gas-liquid separator with the distributor thereby guiding a vapor-phase refrigerant, and a third connection tube for connecting a lower portion of the gas-liquid separator with the distributor thereby guiding a liquid-phase refrigerant.