Flow control device

Details Flow control device Flow control device

1975-09-26

1976-11-09

Freeh, William L.

Pumps

Motor driven

Including means for selectively varying motor speed or...

417383, 417390, F04B 910, F04B 3502

Patent

active

039908151

ABSTRACT:
A flow control apparatus whereby an incompressible fluid may be supplied at a controlled rate. The apparatus includes a pair of chambers and a cylinder and piston in communication with one of said chambers and an incompressible fluid fitting that chamber. The piston has a motor connected thereto for moving same in the cylinder and a follower is associated with said motor so as to rotate at a speed that is proportional to that of the motor.

REFERENCES:
patent: 1282145 (1918-10-01), Tobler
patent: 2954738 (1960-10-01), De Vette
patent: 3250226 (1966-05-01), Voelker
patent: 3489096 (1970-01-01), Wright

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