Measuring and testing – Speed – velocity – or acceleration – Acceleration determination utilizing inertial element
Patent
1987-01-13
1988-10-25
Noland, Tom
Measuring and testing
Speed, velocity, or acceleration
Acceleration determination utilizing inertial element
73517B, G01P 1508, G01P 1513
Patent
active
047794631
ABSTRACT:
A servo type accelerometer including a main support base, a pendulum assembly and a servo arrangement is disclosed herein. The pendulum assembly includes a pendulum and means supporting the pendulum for limited rotational movement through a normal resting plane about a fixed axis within that plane and relative to the base in response to and as a result of the pendulum being subjected to acceleration forces normal to the resting plane. The servo arrangement cooperates with the pendulum for monitoring the presence and magnitude of these acceleration forces, if present. A particular feature of the accelerometer disclosed resides in specifically designed flexures for supporting the pendulum and a technique for preventing these flexures from being placed in a state of compression and possibly being damaged thereby. Another feature resides in the way in which the entire pendulum assembly is supported to the base and still another feature resides in the particular way in which the torque coil forming part of the servo arrangement is mounted to the pendulum.
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Bell Robert P.
Noland Tom
Systron Donner Corporation
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