Mechanical stabilization system having counter-rotating rotors which are separate
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United States of America Patent
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Aug 27, 1991
Grant Date -
N/A
app pub date -
Jan 26, 1990
filing date -
Jan 31, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The system for stabilizing a support to be stabilized comprises a working rotor mounted on the support via bearings and fixed to a working member having at least one parameter associated with the rotation of the working rotor and which is variable as a function of time. A servo-controlled first electric motor is interposed between the support and the working rotor and serves to rotate the working rotor in a first direction. A reaction rotor is mounted on the support by means of bearings and independently from the working rotor, while being coaxial therewith. The reaction rotor supports a reaction inertia member, and a servo-controlled second electric motor is interposed between the reaction rotor and the support in order to rotate the reaction rotor in the opposite direction to the working rotor and at a higher speed so as to cancel the disturbances applied to the support by the working rotor, with the mass of the rotary assembly associated with the reaction rotor being less than the mass of the rotary assembly associated with the working rotor.
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