logo

For the Inventor, By the Inventor

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 7293966 B1

PDFFull Text
Expired
Date of Patent:
Nov. 13, 2007

Filed:

Aug. 27, 2003

Variable capacity rotary compressor

Applicants:

Sung-hea Cho, Suwon, KR;

Seung-kap Lee, Suwon, KR;

Inventors:

Sung-Hea Cho, Suwon, KR;

Seung-Kap Lee, Suwon, KR;

Assignee:

Samsung Electronics Co., Ltd., Suwon-Si, KR;

Attorney:

Staas & Halsey LLP

Primary Examiner:

Anthony D Stashick

Assistant Examiner:

Jessica L Frantz

Int. Cl.
CPC ...
F04B 49/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A variable capacity rotary compressor including a housing, the housing including two compression chambers, the two compression chambers having different capacities; a rotating shaft rotatably provided in the two compression chambers; two eccentric units respectively provided in the compression chambers in such a way as to be fitted over the rotating shaft, the two eccentric units being operated so that one of the two eccentric units is positioned eccentrically from the rotating shaft to perform a compression operation while the other eccentric unit is positioned concentrically with the rotating shaft to perform an idle operation, according to a rotating direction of the rotating shaft; roller pistons fitted over each of the two eccentric units; vanes installed in each of the two compression chambers so as to reciprocate in a radial direction while being in contact with an outer surface of the roller piston; and a path control unit to control a refrigerant suction path so that a refrigeran is provided to an inlet port of one of the two compression chambers which performs the compression operation.

Find Patent Forward Citations

Quick Actions:

Cho, Sung-Hea. (2007). Variable capacity rotary compressor (U.S. Patent No. 7293966). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7293966

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…