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:
Nov. 15, 2022

Filed:

Mar. 03, 2021
Applicant:

Aisan Kogyo Kabushiki Kaisha, Obu, JP;

Inventor:

Shinji Murai, Obu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/50 (2006.01); F16K 1/08 (2006.01);
U.S. Cl.
CPC ...
F16K 31/508 (2013.01); F16K 1/08 (2013.01);
Abstract

A flow control valve includes a housing having a valve chamber, an inlet port, an outlet port, and a valve seat. In addition, the flow control valve includes a valve body disposed in the valve chamber, an actuator having an output rotational shaft, a feed screw mechanism to convert forward and reverse rotational motion of the output rotational shaft to axial reciprocating motion of the valve body, a backlash preventive spring positioned between the housing and the valve body, and a spring supporting device formed on the housing and having a spring seating surface. The spring seating surface is spaced from the valve seat in an opening direction of the valve body.


Find Patent Forward Citations

Murai, Shinji. (2022). Flow control valve (U.S. Patent No. 11499649). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11499649

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

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