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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 9482365 B1

PDFFull Text
Expired
Date of Patent:
Nov. 01, 2016

Filed:

Feb. 11, 2013

Rotary valve

Applicant:

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

Inventors:

John Allen Miller, III, Avon Lake, OH (US);

Dennis L. Reynolds, Fort Wayne, IN (US);

Brian Slattery, Hicksville, OH (US);

Assignee:

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

Attorney:

Renner, Otto, Boisselle & Sklar, LLP

Primary Examiner:

Marina Tietjen

Assistant Examiner:

Umashankar Venkatesan

Int. Cl.
CPC ...
F16K 11/074 (2006.01); F16K 39/04 (2006.01); F16K 39/06 (2006.01); F16K 3/26 (2006.01); F16K 5/04 (2006.01); F16K 11/085 (2006.01); F16K 31/00 (2006.01);
U.S. Cl.
CPC ...
F16K 39/045 (2013.01); F16K 3/262 (2013.01); F16K 5/0407 (2013.01); F16K 5/0464 (2013.01); F16K 11/0853 (2013.01); F16K 31/003 (2013.01); F16K 39/06 (2013.01); Y10T 137/86936 (2015.04);
Abstract

A rotary valve capable of high flow rates, minimal pressure drop, and rapid actuation is presented. According to one aspect, the rotary valve is characterized by a unique pressure balancing system operating on the rotary spool of the valve to reduce side force caused by pressure at the flow ports. According to another aspect, the rotary valve () is characterized by a internal shiftable blocking spool () in response to a failure condition or a modulating signal. According to another aspect, an interface is provided for sealing a port of a rotary valve to an outer surface of a rotary spool. According to another aspect, the rotary valve is characterized by an interface provided for sealing a port to an outer surface of the rotary spool. According to another aspect, a rotary valve is characterized by a three-way three-or-more-position configuration. According to another aspect, a rotary valve is characterized by a four-port three-position configuration.

Find Patent Forward Citations

Miller, III, John. (2016). Rotary valve (U.S. Patent No. 9482365). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9482365

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

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