Apparatus for measuring the physical properties of material

Details Apparatus for measuring the physical properties of material Apparatus for measuring the physical properties of material

1978-03-02

1979-06-26

Gill, James J.

Measuring and testing

Gas analysis

Density or specific gravity

73 32A, G01N 900

Patent

active

041589599

ABSTRACT:
An apparatus for measuring the physical properties of material in which the sensing means is a tubular sensing member having a longitudial slot extending from one end to the other end. A support connected to the tubular member approximately midway between the ends of the tubular member and diametrically opposed to the slot. Electrical coil means extend longitudinally through the inside of and around the outside perimeter of the tubular member one or more times. An electrical driving circuit is connected to the coil means for vibrating the sensing member and an electrical sensing circuit is connected to the coil means for measuring the vibration of the sensing member.

REFERENCES:
patent: 2152955 (1939-04-01), Coyne
patent: 3223861 (1965-12-01), Steiner
patent: 3420092 (1969-01-01), Dorsch

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