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. 08, 2021
Filed:
Feb. 02, 2018
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventor:
Munyoung Lee, Seoul, KR;
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 29/02 (2006.01); F04C 18/02 (2006.01); F04C 29/00 (2006.01); F01C 21/02 (2006.01);
U.S. Cl.
CPC ...
F04C 29/023 (2013.01); F01C 21/02 (2013.01); F04C 18/0215 (2013.01); F04C 29/005 (2013.01); F04C 29/028 (2013.01); F04C 2240/40 (2013.01); F04C 2240/50 (2013.01); F04C 2240/603 (2013.01); F04C 2240/605 (2013.01);
Abstract
A rotation shaft of a scroll compressor that includes an oil flow path formed therein, an upper frame support portion which is inserted into an upper frame, a boss insertion portion which is recessed from an upper surface of the upper frame support portion for insertion of the boss portion, and an oil residual groove which is recessed at a predetermined depth from a bottom portion of the boss insertion portion.