Biaxial accelerometer

Details Biaxial accelerometer Biaxial accelerometer

1991-03-14

1992-06-02

Chapman, John E.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

310329, G01P 1509

Patent

active

051176963

ABSTRACT:
The seismic mass is fixed to the mounting base by a tension bolt. This bolt passes with an important play through an opening of a piezoelectric transducer arranged between the mounting base and the seismic mass. Under the influence of inertial forces which act perpendicularly to the axis of the bolt on the seismic mass, bending loads occur which result in an increase of the pressure at one side and in a decrease of the pressure at the other side of the piezoelectric transducer. The piezoelectric transducer has four electrodes mounted on its top face and four electrodes mounted on its bottom face so as to provide a biaxial accelerometer.

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