Pressure reproducing relay

Details Pressure reproducing relay Pressure reproducing relay

1977-04-21

1978-11-21

Cohan, Alan

Fluid handling

Pressure modulating relays or followers

With counter-balancing pressure feedback to the modulating...

1376275, 13759618, 251 64, G05D 1600

Patent

active

041261526

ABSTRACT:
A fluid pressure reproducing relay is described having a high order of accuracy in matching the output pressure to the loading pressure under steady state conditions, having a large flow capacity for both supply and exhaust and which is small in size for its capacity, the relay having a resilient rolling seal with a vented seating arrangement that requires no clamping, having a stabilizing mass loosely attached to a force balance diaphragm assembly and in which a balanced area supply plunger is employed.

REFERENCES:
patent: 2726680 (1955-12-01), Baines
patent: 3156250 (1964-11-01), Lum
patent: 3304048 (1967-02-01), Roberts
patent: 3417773 (1968-12-01), Hatch

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