Excess flow shutoff valve

Kiffer, Micah S.; Tentarelli, Stephen Clyde

Title: Excess flow shutoff valve

Patent · Tue Feb 09 00:00:00 EST 2016

OSTI ID:1237858

Kiffer, Micah S.; Tentarelli, Stephen Clyde

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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Research Organization:: Air Products and Chemicals, Inc., Allentown, PA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC26-98FT40343

Assignee:: AIR PRODUCTS AND CHEMICALS, INC.

Patent Number(s):: 9,255,646

Application Number:: 13/930,474

OSTI ID:: 1237858

Resource Relation:: Patent File Date: 2013 Jun 28

Country of Publication:: United States

Language:: English

References (15)

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Flow shut off valve Olmsted, Peter B. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/3968813 US Patent Document 3,968,813	patent	July 1976
Hydrostat systems containing coaxial multidirectional flow control valves Cooper, Roydon B. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4009572 US Patent Document 4,009,572	patent	March 1977
Excess pressure shutoff valve Huff, Norman M. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4240458 US Patent Document 4,240,458	patent	December 1980
Fully articulated four-point-bend loading fixture Calomino, Anthony M. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4986132 US Patent Document 4,986,132	patent	January 1991
High presssure fluid emergency shutoff valve Taylor, Julian S. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5067511 US Patent Document 5,067,511	patent	November 1991
Dashpot dampened high pressure fluid shutoff valve Taylor, Julian S. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5311898 US Patent Document 5,311,898	patent	May 1994
Excess flow valve Perusek, Robert V.; Koch, Ulrich H.; Kalata, Gregory S. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5462081 US Patent Document 5,462,081	patent	October 1995
Gas flow safety assembly Maracchi, Giorgio https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5535777 US Patent Document 5,535,777	patent	July 1996
Pressure vessel fill protective device Westman, Martin Alfred https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5810057 US Patent Document 5,810,057	patent	September 1998
Rupture disk controlled mechanically actuated pressure relief valve assembly DeGood, Robert L.; Hinrichs, James O. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6131599 US Patent Document 6,131,599	patent	October 2000
Cartridge assembly for valve Brazier, Geof; Dubbeldam, Arthur; Dubbeldam, Peter https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6484742 US Patent Document 6,484,742	patent	November 2002
Pressure relief apparatus Brazier, Geof; Dubbeldam, Arthur; Dubbeldam, Peter https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6488044 US Patent Document 6,488,044	patent	December 2002
Ion transport membrane isolation device Prasad, Ravi; White, James Eric https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6916362 US Patent Document 6,916,362	patent	July 2005
Module isolation devices Carolan, Michael Francis; Cooke, John Albert; Buzinski, Michael David https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7703472 US Patent Document 7,703,472	patent	April 2010

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