Automatic water shut off valve

Details Automatic water shut off valve Automatic water shut off valve

1996-02-02

1999-01-12

Hepperle, Stephen M.

Fluid handling

Line condition change responsive valves

Direct response valves

239200, 23953315, 239570, F16K 1728

Patent

active

058574875

ABSTRACT:
A valve is formed by an intersection of an open ended water supply pipe and a sprinkler outlet pipe. The outlet pipe has a closed end and an outlet end that is adapted for connection to a sprinkler. A cylindrical guide post connected to the closed end extends through the intersection to a proximal portion of the outlet end. A guide assembly is slidably disposed over the guide post. In response to an excessive flow of water through the outlet end, the guide assembly is drawn through the intersection to occlude the outlet end.

REFERENCES:
patent: 2860659 (1958-11-01), Carlson et al.
patent: 3586019 (1971-06-01), Thomas
patent: 4128105 (1978-12-01), Follett
patent: 4361280 (1982-11-01), Rosenberg
patent: 4393992 (1983-07-01), Strunk et al.
patent: 4562962 (1986-01-01), Hartman
patent: 4842198 (1989-06-01), Chang
patent: 4848661 (1989-07-01), Palmer et al.
patent: 4852602 (1989-08-01), McKinnon
patent: 4867603 (1989-09-01), Chang
patent: 5465752 (1995-11-01), Higgins

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