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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 9746091 B1

PDFFull Text
Date of Patent:
Aug. 29, 2017

Filed:

Mar. 04, 2015

Nozzle-type check valve with piston

Applicant:

Crane Nuclear, Inc., Kennesaw, GA (US);

Inventors:

David B. Dwyer, River Forest, IL (US);

Joshua Howard Riegle, Manteno, IL (US);

Jason P. Lambin, New Lenox, IL (US);

John Kornijenko, Oak Lawn, IL (US);

Bruce W. Harry, Aurora, IL (US);

Assignee:

Crane Nuclear, Inc., Kennesaw, GA (US);

Attorney:

Louis T. Isaf

Primary Examiner:

Harshad R Patel

Assistant Examiner:

Suman K Nath

Int. Cl.
CPC ...
F16K 15/02 (2006.01); F16K 27/02 (2006.01); F16K 15/06 (2006.01); F16K 15/18 (2006.01); F16K 17/30 (2006.01);
U.S. Cl.
CPC ...
F16K 15/025 (2013.01); F16K 15/063 (2013.01); F16K 15/18 (2013.01); F16K 17/30 (2013.01); F16K 27/0209 (2013.01);
Abstract

An exercisable check valve having a fluid delivery test channel and piston closure is disclosed herein. A valve closure member stops flow through the valve in the presence of backwards pressure or when engaged by the piston. The valve may be tested by applying a pressure source to the fluid delivery test channel to cause the piston to engage the valve closure member and stop flow through the valve. A test rod may then be inserted into a test rod port to ensure the valve closure member is in the proper closed position. The check valve may also include a biasing element to bias the valve closure member to an open position and a drainage channel. The check valve may be used in any piping or valve system.

Find Patent Forward Citations

Dwyer, David. (2017). Nozzle-type check valve with piston (U.S. Patent No. 9746091). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9746091

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

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