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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.:

US 9797400 B1

PDFFull Text
Date of Patent:
Oct. 24, 2017

Filed:

Apr. 30, 2015

Scroll compressor

Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Juhwan Yun, Seoul, KR;

Taeyeon Kim, Seoul, KR;

Suchul Kim, Seoul, KR;

Honggyun Jin, Seoul, KR;

Assignee:

LG ELECTRONICS INC., Seoul, KR;

Attorney:

KED & Associates, LLP

Primary Examiner:

Mark Laurenzi

Assistant Examiner:

Anthony Ayala Delgado

Int. Cl.
CPC ...
F01C 1/02 (2006.01); F01C 1/063 (2006.01); F04C 2/00 (2006.01); F04C 27/00 (2006.01); F04C 29/12 (2006.01); F04C 23/00 (2006.01); F04C 28/24 (2006.01); F04C 28/26 (2006.01); F04C 18/02 (2006.01);
U.S. Cl.
CPC ...
F04C 27/005 (2013.01); F04C 18/0215 (2013.01); F04C 23/008 (2013.01); F04C 28/24 (2013.01); F04C 28/26 (2013.01); F04C 29/124 (2013.01);
Abstract

A scroll compressor is provided that may include a casing including a rotational shaft, a cover fixed inside of the casing to partition the inside of the casing into a suction space and a discharge space, a first scroll revolved by rotation of the rotational shaft, a second scroll disposed on or at one side of the first scroll to define a compression chamber together with the first scroll, the second scroll including a discharge, through which a refrigerant pressed in the compression chamber may be discharged, a switching device movably disposed on or at one side of the discharge to selectively open and close the discharge, a back pressure portion including a moving guide that accommodates at least a portion of the switching device, and a top surface that covers one side of the switching device; and an adhesion preventer that reduces a contact area between the switching device and at least a portion of the back pressure portion.

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