Transducer for sensing a parameter of a fluid

Details Transducer for sensing a parameter of a fluid Transducer for sensing a parameter of a fluid

1979-08-02

1980-11-11

Gill, James J.

Measuring and testing

Specific gravity or density of liquid or solid

73702, G01N 900, G01L 900

Patent

active

042325447

ABSTRACT:
A transducer for sensing density, pressure or pressure difference in fluids comprises a resonantly vibratable cylinder as its sensing element. The cylinder has a mounting ring at one end, the mounting ring being clamped against a base member by means of a spring arranged to exert a substantially constant clamping force on the mounting ring. An outer cover fits over the cylinder, the cover having a flange which is directly bolted to an upstanding annular rim of the base member and a depending skirt portion in which the spring is integrally formed by machining.

REFERENCES:
patent: 3021711 (1962-02-01), Arvidson
patent: 3585843 (1971-06-01), Stansfeld
patent: 3618360 (1971-11-01), Curtis
patent: 3774451 (1973-11-01), Thomas
patent: 3874221 (1975-04-01), Lockie

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