Electronic transmitter for transmitting pressure values of indus

Details Electronic transmitter for transmitting pressure values of indus Electronic transmitter for transmitting pressure values of indus

1982-07-02

1985-09-03

Caldwell, Sr., John W.

Measuring and testing

Fluid pressure gauge

Diaphragm

34087031, 336 30, G01L 910

Patent

active

045384657

ABSTRACT:
An electronic transmitter for transmitting pressure values of industrial process fluids includes an inductive sensor employing a measuring diaphragm which is movable as a function of the pressure changes in the process fluids so as to produce corresponding changes in inductance and therefore corresponding signals which are suitably processed in an associated electronic circuit. The measuring diaphragm is provided with a rigid center forming or carrying one or more elements of a material exhibiting high magnetic permeability.

REFERENCES:
patent: 3820400 (1974-06-01), Rosso
patent: 3946615 (1976-03-01), Hluchan
patent: 3967504 (1976-07-01), Akeley
patent: 3995493 (1976-12-01), Nishihara
patent: 4165653 (1979-08-01), Morehouse
patent: 4365517 (1982-12-01), Ramel
patent: 4462258 (1984-07-01), Boddy

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