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:
Jun. 03, 2014
Filed:
Oct. 25, 2011
Applicants:
Kyoungjun Park, Seoul, KR;
Kyeongho Kim, Seoul, KR;
Jongmok Lee, Seoul, KR;
Inventors:
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 17/03 (2006.01); F04B 39/02 (2006.01); F04B 53/18 (2006.01);
U.S. Cl.
CPC ...
F04B 39/023 (2013.01); F04B 39/0253 (2013.01);
Abstract
A hermetic compressor is provided that is capable of supplying oil even in a low-speed operation. The hermetic compressor includes a hermetic container filled with oil in a base thereof, a rotatably crank shaft having a screw-shaped oil groove in an outer portion thereof, and an oil feeder having an upper portion in which a lower portion of the crank shaft is inserted, the oil feeder having a lower portion immersed in the oil of the hermetic container.