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:
Jan. 24, 2017

Filed:

May. 23, 2012
Applicants:

Yong Ju Lee, Gyeonggi-do, KR;

Geon Ho Lee, Gyeonggi-do, KR;

Inventors:

Yong Ju Lee, Gyeonggi-do, KR;

Geon Ho Lee, Gyeonggi-do, KR;

Assignees:

DOOWON TECHNICAL COLLEGE, Anseong-si, Gyeonggi-do, KR;

DOOWON ELECTRONICS CO., LTD, Asan-si, Chungcheongnam-do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 27/18 (2006.01); B23P 15/00 (2006.01); F04B 27/14 (2006.01); F04B 45/02 (2006.01);
U.S. Cl.
CPC ...
F04B 27/1804 (2013.01); B23P 15/001 (2013.01); F04B 27/14 (2013.01); F04B 27/18 (2013.01); F04B 45/02 (2013.01); F04B 2027/1827 (2013.01); F04B 2027/1831 (2013.01); F04B 2027/1845 (2013.01); Y10T 29/49416 (2015.01); Y10T 29/49425 (2015.01);
Abstract

Provided is a control valve for a variable capacity compressor, the control valve including: a valve body including a crank-chamber port, a discharge port, a suction port, a control channel formed inside the control valve such that the crank-chamber port and the discharge port communicate with each other, and a first bleeding channel formed such that the crank-channel port and the suction port communicate with each other; an operating unit provided in the valve body and including a second bleeding channel communicated from a center area to a side surface of the operating unit; and a driving unit provided in the valve body and connected to the operating unit to enable the operating unit to reciprocally move according to a current applied by an external source.


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