Structure of a volumetric measuring apparatus

Details Structure of a volumetric measuring apparatus Structure of a volumetric measuring apparatus

1995-04-28

1996-07-02

Chilcot, Richard

Measuring and testing

Volumetric content measuring

73290V, G01F 1700

Patent

active

055311113

ABSTRACT:
A volumetric measurement apparatus is provided which measures the volume of a liquid material stored within a container. The volumetric measurement apparatus includes a reference enclosure having disposed therein a single pressure sensor. The pressure sensor has a pressure sensitive element exposed to both internal spaces of the reference enclosure and the container to detect a pressure difference between the container and the reference enclosure. A sensor shielding member is arranged in the reference enclosure to selectively shield the pressure sensitive element from the internal space of the reference enclosure to detect only a pressure within the container. The volumetric measurement is made based on the pressure difference between the container and the reference enclosure and the pressure in the container.

REFERENCES:
patent: 3075382 (1963-01-01), Mathias
patent: 3237451 (1966-03-01), Haeff
patent: 4704902 (1987-11-01), Doshi
patent: 4713966 (1987-12-01), Thyren et al.
patent: 5309769 (1994-05-01), Watanabe et al.

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