Apparatus for producing biaxial tiltable support for a rotational body
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United States of America Patent
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Dec 22, 1987
Grant Date -
N/A
app pub date -
May 20, 1986
filing date -
May 22, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to apparatus for producing biaxial tiltable support for a rotational body each as a rotating mirror or antenna included in a target seeker mounted at the nose of a projectile. The rotatable element is supported by a bearing body, as a spherical ball, which is placed in a corresponding spherical recess in a stationary part fixedly mounted to the projectile. The ball is supported by air or liquid in its recess so that it can perform both rotational motion about a spin axis and angular deflection motions about turning axes lying in a plane, which is perpendicular to the spin axis. According to the invention the angular deflection of the ball about the turning axes is controlled by means of magnetic fields. The magnetic fields are produced by magnetic yokes having coils. The yokes are terminated by magnetic poles situated at the surface of the spherical recess and cooperate with a magnetic part of the ball.
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