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. 20, 2015

Filed:

Sep. 29, 2010
Applicants:

Young-sang Yun, Seoul, KR;

Man-uk Park, Seoul, KR;

Sun-dug Kwon, Seoul, KR;

Sung-worl Jin, Seoul, KR;

Ji-hye Jeong, Seoul, KR;

Inventors:

Young-Sang Yun, Seoul, KR;

Man-Uk Park, Seoul, KR;

Sun-Dug Kwon, Seoul, KR;

Sung-Worl Jin, Seoul, KR;

Ji-Hye Jeong, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E03B 1/00 (2006.01); G05D 16/06 (2006.01); F16K 3/24 (2006.01); F16K 31/12 (2006.01); F16K 31/40 (2006.01); F16K 31/08 (2006.01);
U.S. Cl.
CPC ...
F16K 31/404 (2013.01); F16K 31/082 (2013.01);
Abstract

There are provided a latch valve consuming less power, having a simpler structure, and guaranteeing reliable valve operation, there is provided a flow control device comprising a plurality of latch valves connected in series, and the second to the last latch valves, among the latch valves connected in series, include an additional outflow path constantly communicating with a space part between a support body and a plunger, respectively, to allow water from an inlet to constantly flow out to the additional outflow paths.


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