Temperature compensation apparatus for a liquid filled conduit

Details Temperature compensation apparatus for a liquid filled conduit Temperature compensation apparatus for a liquid filled conduit

1980-08-08

1982-06-01

Howell, Kyle L.

Measuring and testing

Liquid level or depth gauge

Hydrostatic pressure type

G01F 2314

Patent

active

043321666

ABSTRACT:
A liquid level system having a bellows biased with a spring having a constant to add a variable force to a water column of a magnitude substantially equal to a loss in pressure resulting from an increase in water temperature. Such a system may also have high and low pressure connections to corresponding bellows and springs. The reference column may also be large in comparison to the remainder of the capillaries.

REFERENCES:
patent: 2747404 (1956-05-01), Van Ham
patent: 2870635 (1959-01-01), Vollbrecht et al.
patent: 3065634 (1962-11-01), Kinderman
patent: 3232111 (1966-02-01), Kinderman
patent: 3610042 (1971-10-01), Brosius, Jr.
patent: 3853006 (1974-12-01), Lawford
patent: 4019387 (1977-04-01), Siegel

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