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 9422891 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 23, 2016

Filed:

Apr. 24, 2014
Applicant:

Zama Japan Kabushiki Kaisha, Iwate, JP;

Inventor:

Hiroyuki Oka, Takizawa-mura, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 1/22 (2006.01); F02M 9/10 (2006.01); F02D 9/08 (2006.01); F02M 19/12 (2006.01); F16K 47/00 (2006.01);
U.S. Cl.
CPC ...
F02M 9/10 (2013.01); F02D 9/08 (2013.01); F02M 19/128 (2013.01); F16K 1/221 (2013.01); F16K 47/00 (2013.01);
Abstract

A throttle valve device ideal for small, inexpensive implements is provided. The throttle valve device having a damping member for slowly closing a throttle valve. The throttle valve device () has a throttle valve () that is fixed to a throttle shaft () pivotably supported in an air intake passage () and that is urged towards the closed direction, the throttle valve () adapted for adjusting the amount of air passing through the air intake passage (). A through-bore () penetrating a shaft bore of the throttle shaft () is formed in a body, and a damping member () having frictional capabilities is inserted into and supported in the through-bore () in a state of pressing against the throttle shaft () inserted through the shaft bore ().


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Oka, Hiroyuki. (2016). Throttle valve device (U.S. Patent No. 9422891). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9422891

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