Pressure sensing device

Details Pressure sensing device Pressure sensing device

1985-10-10

1987-05-12

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Diaphragm

73708, G01L 708, G01L 710

Patent

active

046639748

ABSTRACT:
A diaphragm arranged between two pressure chambers is coupled through a diaphragm plate to a leaf spring. The leaf spring is fixed at one end and is provided with an actuating boss. A free end of the leaf spring serves as an armature which cooperates with a measurement transducer operating on the contactless principle. The measurement transducer delivers a constant electrical output signal as the input signal of a constant regulator or, alternatively, for switching a two-threshold regulator. Due to the low mass of such a leaf spring, the sensor incorporating the transducer is largely independent of orientation and insensitive to mechanical shock.

REFERENCES:
patent: 2980835 (1961-04-01), Williams
patent: 3153210 (1964-10-01), Kinderman
patent: 4242914 (1981-01-01), Eshelman et al.

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