Automatic shut-off safety device

Details Automatic shut-off safety device Automatic shut-off safety device

1995-11-27

1998-01-20

Hepperle, Stephen M.

Fluid handling

Line condition change responsive valves

Safety cut-off requiring reset

137 10, 137498, F16K 1722

Patent

active

057092397

ABSTRACT:
A compact, automatic mechanical fluid shut-off device which can detect a sustained leak in a pipe as well as a pipe burst and automatically shuts off fluid flow in the pipe. The device is detachable, easy to install, and easy to retrofit into existing pipes. The device employs a unique combination of bias mechanism and fluid flow channels to achieve an automated method of stopping a fluid flow when there is an abnormal fluid flow in the pipe due to pipe burst or sustained leak.

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patent: 5217043 (1993-06-01), Novakovi
patent: 5251653 (1993-10-01), Tucker et al.

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