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.

Date of Patent:
Apr. 26, 2022

Filed:

May. 21, 2020
Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Ki Sun Kim, Seoul, KR;

Sangha Lee, Seoul, KR;

Jaeyeol Lee, Seoul, KR;

Assignee:

LG Electronics Inc., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 18/324 (2006.01); F04C 29/02 (2006.01); F04C 18/356 (2006.01);
U.S. Cl.
CPC ...
F04C 18/324 (2013.01); F04C 18/356 (2013.01); F04C 29/02 (2013.01);
Abstract

A rotary compressor includes a roller that is provided with oil grooves concavely formed in a centrifugal direction from an inner circumferential surface of the roller facing an eccentric portion. The oil grooves are disposed at positions not overlapping an intake and a discharge port in an axial direction.


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