Fluid-based acceleration and tilt sensor

Details Fluid-based acceleration and tilt sensor Fluid-based acceleration and tilt sensor

1992-06-10

1994-01-18

Cuchlinski, Jr., William A.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33377, 338 44, G01C 918

Patent

active

052790401

ABSTRACT:
A sensor (10) for measurement of acceleration and/or tilt of a movable object, particularly a motor vehicle, features an interior space (12) partially filled with fluid (15). Within that space, at least two heatable, temperature-sensitive electrical circuit elements are arranged so that, in a rest or initial position of the sensor, they are equally covered or wetted by the fluid. If the acceleration and tilt of the movable object are both zero, or the two cancel each other out, the sensor reading is zero. If this is not the case, the acceleration or tilt leads to a differing degree of coverage or wetting of the at least two circuit elements, and thus to a non-zero sensor reading.

REFERENCES:
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patent: 3241374 (1966-03-01), Menkis
patent: 3247723 (1966-04-01), Yaune
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patent: 4779353 (1988-10-01), Lopes et al.
patent: 5153556 (1992-10-01), Hecht
Charles A. Harper, Handbook of Thick Film Hybrid Microelectronics chapter 6, "Resistor Materials, Processing & Controls", pp. 6-1 through 6-47.

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