Three-axis accelerometer having flexure bearing with overload pr

Details Three-axis accelerometer having flexure bearing with overload pr Three-axis accelerometer having flexure bearing with overload pr

1981-08-13

1983-08-16

Gill, James J.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

73497, G01P 1502

Patent

active

043984177

ABSTRACT:
A proof mass for an accelerometer is electromagnetically constrained in three orthogonal directions. An array of filaments forms an elastic suspension for the proof mass to constrain it in the remaining degrees of freedom. The resulting instrument has the potential for low cost and high-accuracy operation over a wide temperature range without the use of temperature controls. The array of filaments becomes relatively compliant in all six degrees of freedom when loading exceeds a selected design load. This provides overload protection since the proof mass can be brought to a practical mechanical stop for support before excessive stress can fracture a filament.

REFERENCES:
patent: 3339419 (1967-09-01), Wilcox

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