Temperature compensation for liquid filled pressure gauge

Details Temperature compensation for liquid filled pressure gauge Temperature compensation for liquid filled pressure gauge

1975-09-29

1977-02-08

Woodiel, Donald O.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

73411, G01L 704, G01L 1904

Patent

active

040066398

ABSTRACT:
The transparent crystal of a liquid filled pressure gauge casing is physically characterized by a controlled stiffness correlated to the volumetric temperature expansion coefficient of the fill liquid. By virtue of temperature induced expansion of the fluid being accommodated through crystal displacement, affected changes in fluid pressure are substantially minimized in maintaining accuracy of the gauge instrument.

REFERENCES:
patent: 3080758 (1963-03-01), Decker
patent: 3837225 (1974-09-01), Alinari

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