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 8469048 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 25, 2013

Filed:

Dec. 08, 2009
Applicant:

Kevin L Bresnahan, Avon Lake, OH (US);

Inventor:

Kevin L Bresnahan, Avon Lake, OH (US);

Assignee:

Parker-Hannifin Corporation, Cleveland, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A shuttle valveincludes a valve body, a first inlet port, a second inlet port, an outlet port, and a shuttle poppet. The inlet portsandmay be connected to different sources of fluid pressure, and the shuttle valveconnects the higher pressure one of the inlet portsto the outlet portand isolates the lower pressure one of the inlet portsfrom the outlet port. First valve membersselectively open and close fluid communication between the first inlet portand the outlet port. Second valve membersselectively open and close fluid communication between the second inlet portand the outlet port. The shuttle valveincludes cushioning cavitiesandand feedback passagesandto reduce shock or water hammer in the system.


Find Patent Forward Citations

Bresnahan, Kevin. (2013). Pressure feedback shuttle valve (U.S. Patent No. 8469048). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8469048

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

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