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:
Jul. 31, 2012
Filed:
Sep. 29, 2010
Young-ju Bae, Gyeongsangnam-do, KR;
Seung-jun Lee, Gyeongsangnam-do, KR;
Joon-hong Park, Busan, KR;
Kang-wook Cha, Gyeongsangnam-do, KR;
Seung-mun an, Gyeongsangnam-do, KR;
Young-Ju Bae, Gyeongsangnam-do, KR;
Seung-Jun Lee, Gyeongsangnam-do, KR;
Joon-Hong Park, Busan, KR;
Kang-Wook Cha, Gyeongsangnam-do, KR;
Seung-Mun An, Gyeongsangnam-do, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A multi-stage rotary compressor comprises: a casing having a sealed space therein; a driving unit installed in the casing, for generating a driving force; a first compression unit and a second compression unit for receiving the driving force from the driving unit and compressing a refrigerant; and a connection unit for connecting the first and second compression units and guiding the refrigerant discharged from the second compression unit to be sucked directly in the first compression unit and then re-compressed, by which it is possible to vary capacity, even using every plurality of compression units, and to obtain power saving effect suitable for a saving mode.