Volumetric measuring apparatus

Details Volumetric measuring apparatus Volumetric measuring apparatus

1990-09-04

1991-10-08

Raevis, Robert

Measuring and testing

Volumetric content measuring

G01F 1700

Patent

active

050543164

ABSTRACT:
The present invention provides for an acoustical volumetric measuring apparatus which utilizes a variable volume standard cavity. The variable volume standard cavity is preferably formed of a threaded two-piece cylinder which changes volume upon rotation of one piece relative to other. Further, the variable volume standard cavity is calibrated to externally display the current volume setting. This allows for simplified comparisons in determining the volume of an unknown cavity. The simplified comparisons allow for less expensive components to be utilized.

REFERENCES:
patent: 2666326 (1954-01-01), Poole et al.
patent: 2960678 (1960-11-01), Beard et al.
patent: 3075382 (1963-01-01), Mathias
patent: 3324716 (1967-06-01), Roberts
patent: 3489002 (1970-01-01), Thompson
patent: 3494185 (1970-02-01), Watanabe et al.
patent: 4448065 (1984-05-01), Meuaer
patent: 4811595 (1989-03-01), Marciniak et al.

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