Apparatus for measuring fluid pressure

Details Apparatus for measuring fluid pressure Apparatus for measuring fluid pressure

1983-07-01

1986-03-11

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Diaphragm

137228, 137557, G01L 904

Patent

active

045746419

ABSTRACT:
An apparatus for measuring fluid pressure has an electrical circuit for measuring fluid pressure which is closed only when simultaneously, the pressure to be measured is at least equal to a predetermined threshold and is substantially stable. A deformable member deforms under application of pressure of the fluid being measured and closes the electrical circuit. When fluid is moving through the apparatus, a Venturi valve member functions to lower the pressure of the fluid in contact with the deformable gauge member to reopen the electrical circuit. The Venturi valve member is formed by a revolution cone disposed in a chamber such that the passageway located annularly around the cone is reduced. A measuring apparatus integral with a deflating-inflating assembly is also provided.

REFERENCES:
patent: 3370459 (1968-02-01), Cescati

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