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.

Date of Patent:
Aug. 12, 2003

Filed:

May. 01, 2001
Applicant:
Inventor:

David M. Denning, Houston, TX (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 1/740 ;
U.S. Cl.
CPC ...
F16K 1/740 ;
Abstract

A rupture disk assembly comprising two rupture disks which form a chamber. The chamber is connected by a first line to the interior of a vessel on which said rupture disk assembly is mounted and a valve in the line reduces the pressure in the chamber to less than 90% of the pressure of said vessel. A second line connects the vessel and a pilot valve, and a third line connects the chamber to the pilot valve and has a pressure reduction valve in the line to prevent flow from the pilot valve to the chamber. The pressure in the chamber is static and said pilot valve is closed while the pressure in the vessel is at or below the set pressure of the pilot valve and a flow is established through said chamber when the pressure in the vessel exceeds the set pressure of the pilot valve.


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