Power plants – Pressure fluid source and motor – Pulsator
Patent
1977-12-21
1979-10-02
Cohen, Irwin C.
Power plants
Pressure fluid source and motor
Pulsator
60533, 92 91, 92 98R, F15B 708, F16J 302
Patent
active
041693531
ABSTRACT:
A pneumatic control device for a displaceable member of an electric circuit, having a compressible air reservoir adapted and connected by a flexible conduit to an enclosure comprising the said movable member, and comprising three superposed rigid or semi-rigid members which are at least partially housed or enclosed one inside the other, and at least one member having a compressible wall and having an edge which is engaged and clamped between two of the superposed rigid or semi-rigid members; the first of said members together with the compressible walled member delimiting the air reservoir and being provided with a nozzle leading into an inner chamber which is delimited by the assembly of said three rigid or semi-rigid members; the second and third of said members delimiting a passage between them which connects the inner chamber to an annular outer chamber delimited by the second and the third rigid or semi-rigid members and open at its periphery; said flexible conduit being connected to the nozzle in the inner chamber and guided by the above mentioned passage towards the outer chamber into which it may be wrapped for storage therein.
REFERENCES:
patent: 2495092 (1950-01-01), Cox et al.
patent: 2615755 (1952-10-01), Crawford
patent: 2834296 (1958-05-01), Neufeld et al.
patent: 3234739 (1966-02-01), Pierce, Jr.
Cohen Irwin C.
Groff, Jr. Emory L.
Mefina S.A.
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