Magnetic fluid bearing accelerometer

Details Magnetic fluid bearing accelerometer Magnetic fluid bearing accelerometer

1976-08-16

1977-08-23

Gill, James J.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

73517B, G01P 1508

Patent

active

040432041

ABSTRACT:
An accelerometer employing a magnetic fluid bearing which permits movement f a magnetic cylinder along a designated sensitive axis. The device is used to measure acceleration in such applications as inertial platform leveling, thrust termination, and inertial reference triads. The position of the magnetic cylinder (proof mass) is measured by a capacitance bridge network. The output of this capacitance network is a voltage which is proportional in direction and magnitude to the applied acceleration. This voltage will be amplified by an operational amplifier.

REFERENCES:
patent: 3339419 (1967-09-01), Wilcox
patent: 3530727 (1970-09-01), Albert
patent: 3734578 (1973-05-01), Rosensweig

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