Fluid pressure-sensing device

Details Fluid pressure-sensing device Fluid pressure-sensing device

1978-01-11

1981-04-14

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Piston

338 4, G01L 902

Patent

active

042612071

ABSTRACT:
A device for sensing and/or measuring fluid pressure which includes a pressure-sensing tube elongating as a function of fluid pressure therein, a non-expanding member connected to the tube and extending in generally parallel relation thereto and terminating short of a free distal end of the tube, and an electric resistance strain gage connected to and spanning the distance between the distal end of the tube and the adjacent end of the non-expanding member, the combination functioning to provide a mechanically amplified motion at the strain gage with excellent lineal signal to pressure response.

REFERENCES:
patent: 2918641 (1959-12-01), Giovanni
patent: 3979959 (1976-09-01), Veron

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