Fluid gauging

Details Fluid gauging Fluid gauging

1983-09-21

1985-04-16

Swisher, S. Clement

Measuring and testing

With fluid pressure

Dimension, shape, or size

G01B 1310

Patent

active

045108056

ABSTRACT:
A pin is formed with an axial bore at the bottom end for receiving compressed air and containing a diffuser. This bored end has a portion of progressively increasing cross section toward the end. A pair of axially spaced diametrical openings in space quadrature intersect the axial bore. A bumper with a resilient face may be urged toward the pin when an air switch is open. A source of compressed air is coupled to the pneumatic cylinder through an air switch and to sample and reference conduits through a pressure regulator. There are needle valves between the pressure regulator and the sample and reference conduits, respectively. A meter measures the differential air pressure between the sample and reference conduits.

REFERENCES:
patent: 2358769 (1944-09-01), Aller
patent: 3065628 (1962-11-01), Gesell
patent: 3438244 (1969-04-01), Plumpe, Jr.
patent: 3577766 (1971-05-01), Walker

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