Sensor capsule mounting

Details Sensor capsule mounting Sensor capsule mounting

1989-12-29

1991-10-22

Chapman, John E.

Measuring and testing

Speed, velocity, or acceleration

Temperature compensator

73514, G01P 1508

Patent

active

050584308

ABSTRACT:
An apparatus for effectively mounting a silicon sensor capsule within a stainless steel, or other similar material, housing of an accelerometer comprises an alignment pin and two flex pins. The alignment pin provides torsional stiffness, while the flex pins provide stiffness in a vertical plane. The apparatus is capable of being used within different housings having different temperature coefficients of expansion. The mounting pins maintain accurate alignment of the sensor capsule without inducing stress into the capsule. Such stress could easily cause bias or misalignment errors which are undesirable in navigation of aircraft or missiles, two common uses of accelerometers.

REFERENCES:
patent: 4400979 (1983-08-01), Hanson et al.
patent: 4414848 (1983-11-01), Shuff
patent: 4488445 (1984-12-01), Aske
patent: 4498342 (1985-02-01), Aske
patent: 4592234 (1986-06-01), Norling
patent: 4697455 (1987-10-01), Norling
patent: 4766768 (1988-08-01), Norling et al.
patent: 4779463 (1988-10-01), Woodruff

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