Current to pressure tranducer employing magnetic fluid

Details Current to pressure tranducer employing magnetic fluid Current to pressure tranducer employing magnetic fluid

1988-12-07

1989-10-17

Cohan, Alan

Fluid handling

Pressure modulating relays or followers

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

137 82, 25112908, G05D 1600

Patent

active

048740055

ABSTRACT:
A current-to-pressure transducer that is insensitive to shock employs a magnetic fluid that deforms a flexible diaphragm in response to an electrical input current that is applied to a coil and magnetic circuit. The deformed diaphragm varies the air space between the diaphragm and a nozzle connected to the air line so that the pressure within the air line is effectively controlled.

REFERENCES:
patent: 4053952 (1977-10-01), Goldstein
patent: 4579137 (1986-04-01), Brandt

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