Valve with built-in level gauge

Details Valve with built-in level gauge Valve with built-in level gauge

1995-10-30

1997-12-30

Rivell, John

Fluid handling

With indicator, register, recorder, alarm or inspection means

Liquid level responsive indicator, recorder or alarm

73304C, F16R 3700

Patent

active

057019320

ABSTRACT:
The valve includes a valve body (10) with a closure member (12) and a fitting region (16) enabling the valve to be fixed, in a removable manner, to the neck of a gas container. The level gauge (20 ) is a capacitive gauge consisting of an elongate rod (24) and a cylindrical tube (22) coaxially surrounding the said rod (24), the tube (22) and the rod (24) both being supported by the valve body (10) and extending over the entire height of the container. The level measurement is based on the capacitance between the rod (24) and the tube (22) and is indicated by a display device.

REFERENCES:
patent: 2941403 (1960-06-01), Steenfeld et al.
patent: 3188865 (1965-06-01), Frost et al.
patent: 3256907 (1966-06-01), Clark et al.
patent: 3688795 (1972-09-01), Taylor
patent: 3744314 (1973-07-01), Lenny
patent: 4483367 (1984-11-01), Ross, Jr. et al.
patent: 4574328 (1986-03-01), Maier
patent: 4809129 (1989-02-01), Hansen, III et al.

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