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 9255646 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 09, 2016

Filed:

Jun. 28, 2013
Applicant:

Air Products and Chemicals Inc., Allentown, PA (US);

Inventors:

Micah S. Kiffer, Kutztown, PA (US);

Stephen Clyde Tentarelli, Schnecksville, PA (US);

Assignee:

AIR PRODUCTS AND CHEMICALS, INC., Allentown, PA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 17/22 (2006.01); F16K 17/40 (2006.01); F16K 17/28 (2006.01);
U.S. Cl.
CPC ...
F16K 17/406 (2013.01); F16K 17/28 (2013.01); F16K 17/22 (2013.01); Y10T 137/1624 (2015.04); Y10T 137/1677 (2015.04); Y10T 137/7782 (2015.04); Y10T 137/7785 (2015.04);
Abstract

Excess flow shutoff valve comprising a valve body, a valve plug, a partition, and an activation component where the valve plug, the partition, and activation component are disposed within the valve body. A suitable flow restriction is provided to create a pressure difference between the upstream end of the valve plug and the downstream end of the valve plug when fluid flows through the valve body. The pressure difference exceeds a target pressure difference needed to activate the activation component when fluid flow through the valve body is higher than a desired rate, and thereby closes the valve.


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Kiffer, Micah. (2016). Excess flow shutoff valve (U.S. Patent No. 9255646). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9255646

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