Fluidic displacement sensor with linear output

Details Fluidic displacement sensor with linear output Fluidic displacement sensor with linear output

1987-02-11

1988-02-16

Levy, Stewart J.

Measuring and testing

With fluid pressure

Dimension, shape, or size

G01B 1312

Patent

active

047247010

ABSTRACT:
An improved fluidic position sensor employs a housing having an axially aned conduit and output orifice for discharging a jet of fluid. A sensing orifice is positioned adjacent to the output orifice for responding to a negative pressure entrainment area created by the discharged jet. The sensor measures the distance it is from an object by detecting changes in negative pressure at the sensing orifice. A standoff protrudes from the sensor at a distance to keep the sensor operating in substantially a linear range.

REFERENCES:
patent: 460251 (1886-07-01), Mon
patent: 3371517 (1968-03-01), Roth
patent: 3545256 (1970-12-01), Beeken
patent: 3894423 (1975-07-01), Messmer
patent: 3894552 (1975-07-01), Bowditch
patent: 4607960 (1986-08-01), Wulff

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