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. 06, 2021

Filed:

Jan. 09, 2018
Applicants:

Lg Electronics Inc., Seoul, KR;

Industry-academic Cooperation Foundation, Yonsei University, Seoul, KR;

Inventors:

Kwangwoon Ahn, Seoul, KR;

Sungyong Ahn, Seoul, KR;

Yoonchul Rhim, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 39/02 (2006.01); F04B 35/04 (2006.01); F04B 39/00 (2006.01); F04B 53/00 (2006.01); F04B 53/14 (2006.01); F04B 53/12 (2006.01);
U.S. Cl.
CPC ...
F04B 39/0292 (2013.01); F04B 35/04 (2013.01); F04B 35/045 (2013.01); F04B 39/0005 (2013.01); F04B 53/008 (2013.01); F04B 53/123 (2013.01); F04B 53/14 (2013.01);
Abstract

A linear compressor includes a cylinder that defines a compression chamber configured to accommodate refrigerant and that includes a cylinder nozzle configured to receive refrigerant, and a piston provided in the cylinder and configured to be pressed by refrigerant in the cylinder. The piston includes a piston body configured to move forward and backward within the cylinder, a piston front part located on a front surface of the piston body, the piston front part comprising a suction port through which refrigerant is supplied into the compression chamber, and a refrigerant collection part that is recessed from an outer circumferential surface of the piston front part, that extends to a front surface of the piston front part, and that is configured to receive at least a portion of refrigerant compressed in the compression chamber.


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