Pressure transducer device using Hall elements

Details Pressure transducer device using Hall elements Pressure transducer device using Hall elements

1983-08-29

1984-11-20

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Fluid- or gas pressure-actuated

338 39, 73728, 73722, 73DIG3, H01L 1010, H01L 4306

Patent

active

044841736

ABSTRACT:
A control device and method of making the same are provided, the control device having a housing provided with an actuator chamber separated from a pressure differential chamber by a wall having an opening therethrough receiving an axially movable actuator pin that transmits axial movement of a movable part in the pressure differential chamber to the actuator chamber. A Hall effect transducer is disposed in the actuator chamber and the actuator pin has a magnet unit for operating the transducer as the movable part axially moves the actuator pin relative to the housing, the magnet unit being disposed in offset relation to the axis of the actuator pin and moving in unison therewith relative to the transducer.

REFERENCES:
patent: 4289963 (1981-09-01), Everet
patent: 4326419 (1982-04-01), Herden
patent: 4352085 (1982-09-01), Herden
Honeywell Microswitch Division Publications #84-05 704-A 980.

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