Sleeve valves

Details Sleeve valves Sleeve valves

1982-06-01

1984-08-14

Schwadron, Martin P.

Valves and valve actuation

Tube compressors

Fluid pressure actuated

251 611, F16K 31145

Patent

active

044652585

ABSTRACT:
The wall of an elastomer sleeve valve is provided with a lip-shaped internal sealing member at a median region of the wall; when the valve is closed, the sealing member forms two lips contacting each other along a substantially diametral plane to produce sealing, and contacted lips have arcuate ends joining them so that they produce the seal without causing undue stresses in the sleeve wall. In a preferred embodiment the lips contact each other when no hydraulic pressures are imposed on the sleeve in the rest state.

REFERENCES:
patent: 2518625 (1950-08-01), Langstaff
patent: 2645087 (1953-07-01), Neumann
patent: 3237616 (1966-03-01), Daigh et al.
patent: 3479001 (1969-11-01), Dower
patent: 3494588 (1970-02-01), Kisling
patent: 3936028 (1976-02-01), Norton et al.
patent: 3955594 (1976-05-01), Snow
patent: 4023772 (1977-05-01), Ratelband
patent: 4135550 (1979-01-01), Andersson

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