Two axis gas damped angular velocity sensor

Details Two axis gas damped angular velocity sensor Two axis gas damped angular velocity sensor

1977-09-23

1979-04-03

Goldstein, Herbert

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

73505, 74 5F, G01P 902

Patent

active

041470630

ABSTRACT:
A thin plate-like rotor is mounted on a hub which in turn is attached to the shaft of a motor which drives the rotor at a predetermined rotational speed about a spin axes. A framework is provided for mounting the motor. The rotor has a damping face and an opposite signal face. A damping plate is mounted on the hub in close spaced relation with the damping face. A spring member is disposed between the hub and the rotor so that the rotor is free to move in restrained rotational fashion about one diameter of the rotor. Surrounding air is pumped through the space between the damping face and the damping plate to provide damping of the motion of the rotor about the one diameter. Pickoffs are mounted in the framework in close spaced relation to the signal face of the rotor. The pickoffs provide output indicative of the spacing between the signal face and the pickoffs which corresponds to angular velocity inputs about the separate axes disposed orthogonally with the spin axes.

REFERENCES:
patent: 3077785 (1963-02-01), Stiles
patent: 3463016 (1969-08-01), Erdley
patent: 3610051 (1971-10-01), Siff et al.
patent: 3974701 (1976-08-01), Erdley
patent: 3987555 (1976-10-01), Haagens

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