Flexure pivot accelerometer

Details Flexure pivot accelerometer Flexure pivot accelerometer

1978-10-25

1980-02-19

Myracle, Jerry W.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

G01P 512

Patent

active

041888294

ABSTRACT:
A pendulous, linear accelerometer having its sensitive pendulous mass assembly mounted in its casing structure by means of a pair of flexure pivot bearings. The relatively long dimension of each flexure pivot, the wide separation of the flexure pivot pairs, and the inherent cross-axis rigidity of the flexure pivots provide high resistance to cross-axis vibrations. The spherically-shaped edge surface of the cylindrical pendulous mass provides a constant annular fluid flow passageway to the trapped air (or other fluid) behind the mass during its rotary movements in response to applied accelerations along its sensitive axis. The volume of trapped fluid coupled with the resistance provided by the passageway provides critical damping for the instrument.

REFERENCES:
patent: 3240073 (1966-03-01), Pitzer
patent: 3713088 (1973-01-01), Lehner et al.

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