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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 8820354 B1

PDFFull Text
Date of Patent:
Sep. 02, 2014

Filed:

Sep. 30, 2010

Liquid flow rate control valve

Applicants:

Seiichiro Ishikawa, Wako, JP;

Yuki Shibahata, Wako, JP;

Yasunari Kimura, Wako, JP;

Masashi Kato, Wako, JP;

Inventors:

Seiichiro Ishikawa, Wako, JP;

Yuki Shibahata, Wako, JP;

Yasunari Kimura, Wako, JP;

Masashi Kato, Wako, JP;

Assignee:

Honda Motor Co., Ltd., Tokyo, JP;

Attorneys:

Carrier Blackman & Associates, P.C.

Joseph P. Carrier

William D. Blackman

Primary Examiner:

John Rivell

Assistant Examiner:

Kevin Barss

Int. Cl.
CPC ...
F16K 31/02 (2006.01); F16K 47/08 (2006.01); F16K 11/076 (2006.01); F15B 9/10 (2006.01); F16K 3/26 (2006.01); B60K 6/40 (2007.10); F16K 3/34 (2006.01); F02N 7/08 (2006.01); B60K 6/12 (2006.01); F15B 13/04 (2006.01); F15B 13/044 (2006.01);
U.S. Cl.
CPC ...
F16K 3/34 (2013.01); F16K 3/262 (2013.01); Y02T 10/6282 (2013.01); F15B 13/0406 (2013.01); Y02T 10/6208 (2013.01); B60K 6/40 (2013.01); F15B 13/0444 (2013.01); F02N 7/08 (2013.01); B60K 6/12 (2013.01);
Abstract

A liquid flow rate control valve is provided in which since a distributor () is rotated relative to a sleeve () by a first drive source () only through a predetermined angle, the total area of overlapping sections of a first opening () of the sleeve () and the second opening () of the distributor () changes, and a rotor () having a third opening () is rotated by a second drive source (), it is possible to carry out PWM control of the liquid input from an input port () and output it from an output port (). In this process, one end in an axis (L) direction of the rotor () disposed on an inside in a radial direction is coaxially connected to the second drive source (), and one end in the axis (L) direction of the distributor () disposed on an outside in a radial direction is connected to the first drive source () via a gear train (), and therefore, it is possible to individually rotate the distributor () and the rotor () while achieving a compact size by arranging the first and second drive sources () in a concentrated manner at one end in the axis (L) direction of a liquid flow rate control valve ().

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