Barometer gas pressure measuring apparatus

Details Barometer gas pressure measuring apparatus Barometer gas pressure measuring apparatus

1974-02-04

1976-03-02

Queisser, Richard C.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

73384, 92 1, G01L 1902, G01L 700

Patent

active

039409910

ABSTRACT:
The invention relates to a gas pressure measuring apparatus having a gas-filled tank whose tank gas pressure acts from one side via an aperture in the tank wall on a movable part, more particularly a drop or column of liquid in a capillary, tube or the like, or a diaphragm closing the tank aperture or an aperture in an adjoining chamber having an indicating device, while the other side of the movable part or diaphragm can be acted upon by the gas to be measured with the lines of the gas tank provided with members having different rates of expansion upon temperature changes to provide compensation therefor.

REFERENCES:
patent: 2472735 (1949-06-01), Ulrich
patent: 2906095 (1959-09-01), Whitehead, Jr.
patent: 2960867 (1960-11-01), Valcourt
patent: 3333472 (1967-08-01), McLellan

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