Apparatus for producing biaxial tiltable support for a rotationa

Details Apparatus for producing biaxial tiltable support for a rotationa Apparatus for producing biaxial tiltable support for a rotationa

1986-05-20

1987-12-22

Jordan, Charles T.

Aeronautics and astronautics

Missile stabilization or trajectory control

Automatic guidance

74 57, 244 315, F42B 1502, G01C 1906

Patent

active

047142146

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.

REFERENCES:
patent: 3438270 (1969-04-01), Binder et al.
patent: 3982714 (1976-09-01), Kuhn
patent: 4036453 (1977-07-01), Evans et al.
patent: 4339097 (1982-07-01), Kordulla et al.
patent: 4600166 (1986-07-01), Califano et al.

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