Manual fluid pressure controller

Details Manual fluid pressure controller Manual fluid pressure controller

1977-06-08

1979-01-16

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

1376275, 251256, 303 54, G05D 1610

Patent

active

041344189

ABSTRACT:
A manual fluid pressure controller has a handle with integral cam which mates with a non-rotating cam follower. Rotation of the handle causes displacement of the cam follower which transmits a force through a metering spring to a metering piston. The metering piston actuates a combined inlet-exhaust valve to admit or exhaust fluid pressure to its one face until the spring force on its other side is balanced. The fluid pressure at the face of the metering piston is connected to the load whose pressure it is desired to control. A cam stop, integral with the cam follower cooperates with a matching stop on the handle to limit handle travel.

REFERENCES:
patent: 2087356 (1937-07-01), Parker
patent: 3031234 (1962-04-01), Alfieri
patent: 3682438 (1972-08-01), Klimek

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