Valves and valve actuation – Fluid actuated or retarded – Flexible wall expansible chamber reciprocating valve actuator
Patent
1975-03-24
1976-08-10
Cohan, Alan
Valves and valve actuation
Fluid actuated or retarded
Flexible wall expansible chamber reciprocating valve actuator
4 42, 4 65, 137147, F16K 31126, E03D 104
Patent
active
039737519
ABSTRACT:
A liquid siphon including a tank and a pair of concentric shells within the tank. One end of the external-most shell has an enlarged bell part formed thereon. A deformable gasket is retained against an interior portion of the bell part to close the same. A passageway in the bell part communicates the interior thereof with the outside surface and is closed by the gasket when the same is deformed by priming the siphon.
REFERENCES:
patent: 2606326 (1952-08-01), Niccolai
patent: 2612903 (1952-10-01), Carnerero
Amici Francesco
Brugnoli Maria
Cohan Alan
Michalsky Gerald A.
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