Pressure transducer

Details Pressure transducer Pressure transducer

1979-11-23

1981-07-21

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Piston

73714, 338 39, G01L 716, G01L 902

Patent

active

042791626

ABSTRACT:
A hydraulic pressure transducer comprises a cylindrical housing having a plurality of circumferential inwardly and outwardly directed ribs which axially position and retain coaxially aligned operative components within the transducer. These components include a hydraulic piston and cylinder, a restoring spring disposed between two centering and retaining stabilizer cups, and a biasing spring which maintains the components in compressed juxtaposition to ensure accurate and immediate response while minimizing axial dimensional stack up. The transducer senses hydraulic pressure in, for example, a brake line and provides a variable resistance output which may be used in an auxiliary electric brake system controller commonly used on recreational trailers and the like.

REFERENCES:
patent: 2597724 (1952-05-01), Gratzmuller
patent: 2891234 (1959-06-01), Hague
patent: 2898566 (1959-08-01), Bacca
patent: 3323648 (1967-06-01), Rosaen

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