Pressure sensor

Details Pressure sensor Pressure sensor

1986-12-17

1988-04-19

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Bourdon

73739, 73743, 338 32H, G01L 704, G01L 910

Patent

active

047381418

ABSTRACT:
An improved pressure sensor includes a Bourdon tube, as its sensing element, and an indicator controlled thereby. At least one tightly closed container is secured to a free end of the Bourdon tube and is partly filled with a bulk material. If the Bourdon tube is made to vibrate as a result of pressure shocks or vibration forces acting upon its fixed end frictional forces that consume vibration energy arise between the container and the amounts of bulk material contained. The indicator includes Hall elements and permanent magnets, which magnets are secured on the Bourdon tube and are moved by it relative to the Hall elements.

REFERENCES:
patent: 2810800 (1957-10-01), Hasselhorn
patent: 3527100 (1970-09-01), Talmo et al.
patent: 4529961 (1985-07-01), Nishimura et al.
patent: 4667514 (1987-05-01), Baer

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