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. 09, 2014
Filed:
Apr. 26, 2011
Applicants:
Yoonsung Choi, Seoul, KR;
Minchul Yong, Seoul, KR;
Yunhi Lee, Seoul, KR;
Joonhong Park, Seoul, KR;
Inventors:
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 28/02 (2006.01); F04C 14/02 (2006.01); F04C 23/00 (2006.01); F04C 29/12 (2006.01); F04C 18/356 (2006.01);
U.S. Cl.
CPC ...
F04C 23/001 (2013.01); F04C 23/008 (2013.01); F04C 2240/806 (2013.01); F04C 18/356 (2013.01); F04C 28/02 (2013.01); F04C 29/12 (2013.01); F04C 2240/50 (2013.01);
Abstract
A compression device includes a plurality of compressors in a shell. Each compressor includes a rolling piston that rotates within a cylinder to compress refrigerant. At least one valve allows refrigerant to be simultaneously or successively compressed by the compressors. A first pipe transfers refrigerant into one of the compressors, and a second pipe transfers refrigerant compressed in one of the compressors to another one of the compressors when the refrigerant is successively compressed by the compression mechanisms. The first and second pipes are coupled to the cylinder of one of the compressors.