Patent Number: 6,530,391

Title: Temperature activated valve

Abstract: A temperature and pressure sensitive valve is disclosed herein. The valve has a valve piston for regulating flow through the valve, a valve piston guide for directing movement of the piston, the piston guide having one or more passages there through, a thermal element for enabling movement of said piston, and an elongated housing having an anterior and posterior end and an interior wall able to house said piston, guide and thermal element. The housing further has two or more passages able to aid the piston in regulating flow, with at least one of the passages placed towards said anterior end of the housing, and at least one of the passages placed towards said posterior end of the housing.

Inventors: Dulin; Robert D. (Kingsbury, TX)

Assignee: Research by Copperhead Hill, Inc.

International Classification: E03B 7/12 (20060101); E03B 7/00 (20060101); F16K 17/00 (20060101); F16K 031/64 (); E03B 007/12 ()

Expiration Date: 03/11/2020