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:
Aug. 17, 2010
Filed:
Apr. 23, 2007
IN Kyu Kim, Jinhae-si, KR;
Ja Hyung Koo, Changwon-si, KR;
Sim Won Chin, Seoul, KR;
Soo Yeon Shin, Gimhae-si, KR;
In Kyu Kim, Jinhae-si, KR;
Ja Hyung Koo, Changwon-si, KR;
Sim Won Chin, Seoul, KR;
Soo Yeon Shin, Gimhae-si, KR;
LG Electronics Inc., Seoul, KR;
Abstract
The air conditioner includes a first and a second heat exchanger, a plurality of compressors, a pipe for uniform distribution of oil, a plurality of oil separators, and an oil return opening. The first heat exchanger performs heat exchange between air of an indoor space and refrigerant to condition the air. The second heat exchanger is connected to the first heat exchanger through a pipe, to perform heat exchange between the refrigerant and water. The plurality of compressors is installed at one side of the second heat exchanger, to compress the refrigerant to a high temperature and a high pressure. The pipe for uniform distribution of oil communicates the plurality of compressors with each other, to guide a flow of oil within the plurality of compressors to flow between the compressors. Each oil separator is provided at an outlet of a respective compressor, to separate oil included in refrigerant discharged from the compressors. The oil return opening guides the oil separated by each of the oil separators to flow into all or any one of the plurality of compressors.