Positioning system with pressure measurement in the layer of air

Details Positioning system with pressure measurement in the layer of air Positioning system with pressure measurement in the layer of air

1997-04-04

2000-02-29

Felber, Joseph L.

Measuring and testing

With fluid pressure

Dimension, shape, or size

3350102, G01B 1304

Patent

active

060295023

ABSTRACT:
The object of positioning a measurement probe (5) very close to but not in contact with moving measured material (9) is solved in accordance with the invention in that air is blown through a nozzle in the measurement probe between the probe and the material being measured, and in that the pressure in the flowing medium between the measurement probe and the material being measured is measured, and from this a regulation signal is derived for the spacing. The air cushion which forms between the material being measured and the measurement probe, on the one hand, prevents mutual contact and additionally serves as a medium in the measuring system for the measurement of the spacing.

REFERENCES:
patent: 3818327 (1974-06-01), Alexander
patent: 4647855 (1987-03-01), Berglund
patent: 5021655 (1991-06-01), Weismuller
patent: 5298073 (1994-03-01), Wilson
patent: 5575078 (1996-11-01), Moulton

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