Fluidic proximity sensor and related process

Details Fluidic proximity sensor and related process Fluidic proximity sensor and related process

1994-01-26

1995-02-07

Noland, Thomas P.

Measuring and testing

With fluid pressure

Dimension, shape, or size

G01B 1312

Patent

active

053867165

ABSTRACT:
Fluidic proximity sensing apparatus for use with a linear induction motor car. The apparatus is comprised of a floating sensor head in operative combination with a dual flapper valve which forms two air gaps. A change in the proximity of the sensor head to a track surface is converted to a dimensional variation in the air gaps, which in turn is sensed by fluidic oscillators.

REFERENCES:
patent: 2982124 (1961-05-01), Knobel
patent: 3194055 (1965-07-01), Knobel
patent: 3610024 (1971-10-01), Honjo et al.
patent: 4070902 (1978-01-01), Knobel
patent: 4607960 (1986-08-01), Wulff
patent: 4724701 (1988-02-01), Mon

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