Fluid handling – Self-proportioning or correlating systems – Supply and exhaust type
Patent
1991-04-05
1991-12-17
Cohan, Alan
Fluid handling
Self-proportioning or correlating systems
Supply and exhaust type
13759618, 116277, 116272, G05D 1610
Patent
active
050727486
ABSTRACT:
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.
REFERENCES:
patent: 3038439 (1962-06-01), Martin et al.
Cheng Andrew Y.
Gripe William B.
Amot Controls, Inc.
Cohan Alan
Grunewald Glen R.
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