Differential pressure sensor with read-out device

Details Differential pressure sensor with read-out device Differential pressure sensor with read-out device

1990-01-05

1991-12-10

Woodiel, Ronald O.

Measuring and testing

Fluid pressure gauge

Bourdon

73704, 73743, 73753, 336 30, 338 40, 361283, G01L 704, G01L 902, G01L 912, G01L 1302

Patent

active

050707361

ABSTRACT:
A differential pressure sensor comprises a pair of bourdon tubes disposed in an arrangement wherein deflections of the two bourdon tubes resulting from fluid pressures connected thereto take place in two opposite directions and the deflective extremities of the two bourdon tubes are linked to one another by a linkage, which linkage is coupled to a transducer that converts the displacement of the linkage to an electrical parameter such as the ohmic resistance, capacitance, reluctance, or resonance frequency as a measure of differential values between two pressures respectively connected to the two bourdon tubes.

REFERENCES:
patent: 1340198 (1920-05-01), Wilkinson
patent: 1729178 (1929-09-01), Motheral
patent: 2850901 (1958-09-01), Proctor
patent: 3013233 (1961-12-01), Bourns
patent: 3048040 (1962-08-01), Pegram
patent: 3095745 (1963-07-01), Kirwan
patent: 4455874 (1984-06-01), Paros
patent: 4541283 (1985-09-01), Stuhimann

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