Reversible fluid unit

Details Reversible fluid unit Reversible fluid unit

1979-08-17

1982-09-07

Freeh, William L.

Motors: expansible chamber type

Relatively movable working members with one having motive...

Single valve unit controlling plural working chambers

91491, 91503, 417269, 417475, F01L 3302, F01B 106, F04B 104

Patent

active

043477780

ABSTRACT:
A reversible fluid unit which may be used as a motor, pump, brake or clutch. The unit has a plurality of sequentially inflatable diaphragms, to impart a rotative force to a plurality of roller members. When used as a motor, brake or clutch, air under pressure is sequentially fed to the plurality of diaphragms which inflate against roller members connected to a driven output shaft. As the diaphragms inflate, the roller members are contacted by the inflated diaphragms to impart or brake rotary motion thereto. When used as a pump, the rollers are rotated to pump air out through the diaphragm members.

REFERENCES:
patent: 727772 (1903-05-01), Fenton
patent: 2052472 (1936-08-01), Hyman
patent: 2392279 (1946-01-01), Woods
patent: 3019772 (1962-02-01), Humphrey
patent: 3280703 (1966-10-01), Humphrey

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