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 11053822 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 06, 2021

Filed:

Feb. 14, 2020
Applicant:

Nidec Tosok Corporation, Zama, JP;

Inventor:

Tomohiko Nakanishi, Zama, JP;

Assignee:

NIDEC TOSOK CORPORATION, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01M 13/00 (2006.01); F16K 15/02 (2006.01); F02M 35/10 (2006.01); F02M 25/06 (2016.01);
U.S. Cl.
CPC ...
F01M 13/0011 (2013.01); F02M 25/06 (2013.01); F02M 35/10222 (2013.01); F16K 15/025 (2013.01);
Abstract

A recirculation valve includes a first supported portion that closes a first opening when a valve body biased by a biasing member is moved to one side in the axial direction, the first supported portion opens the first opening when the valve body moves to the other side in the axial direction against a biasing force of the biasing member due to a negative pressure on a downstream side with respect to that on an upstream side, the valve body includes a first hole extending from an end portion on the other side in the axial direction to one side in the axial direction, and a valve body barrel portion includes a second hole that extends from a radially outward side thereof and reaches the first hole.


Find Patent Forward Citations

Quick Actions:

Nakanishi, Tomohiko. (2021). Recirculation valve (U.S. Patent No. 11053822). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11053822

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

Loading…