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:
Oct. 27, 2020
Filed:
Jan. 29, 2018
Lg Electronics Inc., Seoul, KR;
Jaeheon Jeong, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A scroll compressor including a casing; a compression unit provided in an inner space of the casing to form a compression chamber by a pair of two scrolls; a bypass hole provided in the compression unit to bypass refrigerant suctioned into the compression chamber to the inner space of the casing; a bypass valve configured to selectively open and close the bypass hole to vary a compression capacity of the compression chamber; a back pressure chamber provided on a rear side of either one of the pair of two scrolls to support the scroll in the other scroll direction; a back pressure passage configured to communicate between the compression chamber and the back pressure chamber; and a back pressure valve configured to selectively open and close the back pressure passage.