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:
Mar. 09, 2021

Filed:

Apr. 25, 2017
Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Kyeongweon Lee, Seoul, KR;

Donghan Kim, Seoul, KR;

Byungju Kim, Seoul, KR;

Byunghoon Woo, Seoul, KR;

Wonhyun Jung, Seoul, KR;

Assignee:

LG ELECTRONICS INC., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 39/00 (2006.01); F04B 35/04 (2006.01); F04B 27/08 (2006.01); F04B 39/02 (2006.01); F04B 53/14 (2006.01); F04B 39/12 (2006.01); F16J 1/01 (2006.01); C23C 28/00 (2006.01); F04B 39/10 (2006.01); C23C 14/14 (2006.01); C23C 14/34 (2006.01); C23C 16/27 (2006.01); C23C 16/50 (2006.01);
U.S. Cl.
CPC ...
F04B 39/0005 (2013.01); C23C 28/32 (2013.01); C23C 28/343 (2013.01); F04B 27/0878 (2013.01); F04B 35/045 (2013.01); F04B 39/0016 (2013.01); F04B 39/0276 (2013.01); F04B 39/10 (2013.01); F04B 39/12 (2013.01); F04B 39/121 (2013.01); F04B 53/14 (2013.01); F16J 1/01 (2013.01); C23C 14/14 (2013.01); C23C 14/34 (2013.01); C23C 16/27 (2013.01); C23C 16/50 (2013.01); F05C 2201/021 (2013.01); F05C 2251/10 (2013.01); F05C 2253/12 (2013.01);
Abstract

A linear compressor and a method for manufacturing a linear compressor are provided. A piston of a linear compressor may include a surface treatment body made of aluminum or an aluminum alloy; a first surface treatment provided on an outer surface of the surface treatment body by a first vacuum deposition process; and a second surface treatment provided on an outer surface of the first surface treatment by a second vacuum deposition process.


Find Patent Forward Citations

Loading…