Measuring and testing – Speed – velocity – or acceleration – Angular rate using gyroscopic or coriolis effect
Patent
1978-10-02
1980-03-11
Myracle, Jerry W.
Measuring and testing
Speed, velocity, or acceleration
Angular rate using gyroscopic or coriolis effect
G01P 1500
Patent
active
041921895
ABSTRACT:
A rate sensor is disclosd for use in applications requiring high reliability such as in aircraft or tank gun stabilization systems. The rate sensor consists of a sensor rotor supported within a volume of magnetic fluid contained in a sensor housing to which is applied a magnetic field, levitating the sensor rotor in a central location within the housing cavity. A plurality of sensor means are provided positioned about the axis of the sensor rotor detecting the relative movement between the sensor rotor and the sensor housing occurring upon rotation of the housing from which an output signal corresponding to the rate of change of rotation of the housing. The magnetic field is produced either by a series of permanent magnets arranged about the housing, by the sensor mass formed with permanently magnetized portions, or by a series of electromagnets which may also function in a closed-loop stabiization system to more accurately maintain the central position of the sensor mass in the housing and provide a variable damping of the rotor.
REFERENCES:
patent: 2942479 (1960-06-01), Hollmann
patent: 3488531 (1970-01-01), Rosensweig
patent: 4047439 (1977-09-01), Russell et al.
Ignatowski James R.
Myracle Jerry W.
The Bendix Corporation
Wells R. C.
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