Elastomeric cut-off valve

Details Elastomeric cut-off valve Elastomeric cut-off valve

1997-10-09

1999-03-09

Ferensic, Denise L.

Fluid handling

Line condition change responsive valves

Direct response valves

137844, 137843, 137845, F16K 1500

Patent

active

058787780

ABSTRACT:
A cut-off valve consists of a hollow rigid body and a flexible or supple forated plug. The plug defines a flow pate therethrough and is sealed in the rigid body between the rigid body's inlet and outlet to define a free volume in the rigid body between the inlet and the plug. The plug flexes or deforms in response to a differential pressure thereacross to collapse into the flow path when the differential pressure exceeds a predetermined threshold thereby stopping the flow.

REFERENCES:
patent: 2764183 (1956-09-01), Gollehon
patent: 2781059 (1957-02-01), Frey
patent: 2816572 (1957-12-01), Pratt
patent: 2878836 (1959-03-01), Binks
patent: 2910093 (1959-10-01), Dahl
patent: 2926686 (1960-03-01), Gheen
patent: 2939487 (1960-06-01), Fraser et al.
patent: 2941544 (1960-06-01), Peras
patent: 2948300 (1960-08-01), Fraser
patent: 3087761 (1963-04-01), Stelzer
patent: 3586040 (1971-06-01), Urback
patent: 3970105 (1976-07-01), Pelton et al.
patent: 4105050 (1978-08-01), Hendrickson et al.

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