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. 26, 2008
Filed:
Feb. 21, 2006
Bong-soo Park, Seoul, KR;
Sai-kee OH, Anyang, KR;
Chi-woo Song, Incheon, KR;
Ju-won Kim, Changwon, KR;
Baik-young Chung, Incheon, KR;
Se-dong Chang, Gwangmyeong, KR;
Jae-heuk Choi, Seoul, KR;
Bong-Soo Park, Seoul, KR;
Sai-Kee Oh, Anyang, KR;
Chi-Woo Song, Incheon, KR;
Ju-Won Kim, Changwon, KR;
Baik-Young Chung, Incheon, KR;
Se-Dong Chang, Gwangmyeong, KR;
Jae-Heuk Choi, Seoul, KR;
LG Electronics Inc, Seoul, KR;
Abstract
A second-refrigerant pump driving type air conditioner, including an indoor unit having an indoor heat exchanger that circulates a refrigerant containing no oil, a first circulator including a compressor that compresses and discharges a refrigerant containing oil, a first outdoor heat exchanger, a second outdoor heat exchanger, and an outdoor expander, and a second circulator including an intermediate heat exchanger connected to the indoor heat exchanger that circulates the refrigerant containing no oil and heat-exchanges the refrigerant of the first outdoor heat exchanger, a receiver, and a pump. A restriction of a length and a diameter of a connection pipe for connecting an outdoor unit and the indoor unit is decreased, and an oil shortage of the compressor is prevented.