Diaphragm arrangement for pressure transducers

Details Diaphragm arrangement for pressure transducers Diaphragm arrangement for pressure transducers

1975-11-07

1977-11-01

Woodiel, Donald O.

Measuring and testing

Speed, velocity, or acceleration

With means for retaining reading

73398AR, 92105, 338 4, G01L 708, G01L 904

Patent

active

040560090

ABSTRACT:
A diaphragm arrangement is provided for pressure measuring transducer devices wherein the diaphragm includes a structure of the flexible portions thereof permitting stable calibration and compensation of environmental conditions during measurements. In particular, the diaphragm structure includes concentric annular grooves at opposite surfaces of the diaphragm to form at least one annular rim having elastic tubular walls normal to the diaphragm surfaces, thereby providing the flexible portion of the diaphragm. The connection of the diaphragm to the transducer structure is apart from this flexible construction, and the construction can be varied to suit the conditions of usage.

REFERENCES:
patent: 2517056 (1950-08-01), Trubert
patent: 3079576 (1963-02-01), Koolman
patent: 3079953 (1963-03-01), Mounteer
patent: 3335381 (1967-08-01), Giovanni
patent: 3456509 (1969-07-01), Thordarson
patent: 3505875 (1970-04-01), Benner, Jr.
patent: 3645139 (1972-02-01), Zavoda

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