Amot Controls Corp.

William B Gripe

Melvin H Norman

Andrew Y Cheng

A fluid pressure operated indicating relay including a casing defining an interior and a valve assembly movable within the interior. The valve assembly incorporates a mechanism to prevent 'bounce back' of the valve assembly after the relay has been tripped as a result of a drop of fluid pressure at the relay inlet port.

Fluid pressure operated indicating relay

A spool valve having a ported valve chamber and a valve spool mounted for reciprocation therein and carrying an elastomeric seal ring in sliding engagement with the chamber wall for controlling fluid flow through the valve port in the wall, the seal ring having a torus portion and a flexible web co-functioning with the spool seal ring mounting groove to provide desired sealing and valving action.

Growing community of inventors

Concord, CA, United States of America

William B Gripe