Magnetic spin reduction system for free spinning objects

Details Magnetic spin reduction system for free spinning objects Magnetic spin reduction system for free spinning objects

1984-08-23

1986-04-15

Barefoot, Galen L.

Aeronautics and astronautics

Spacecraft

Attitude control

B64G 164

Patent

active

045822778

ABSTRACT:
A spinning earth satellite (19) is shown in which it is desired to reduce the rotation or spin to a level that the satellite (19) may be secured or handled remotely from a spacecraft. This is accomplished by the spacecraft (11) having a mast (13) carrying an electrical current carrying coil (17) which encircles the satellite (19). The magnetic field of the coil (17) is normal to the spin axis of the satellite (19) which causes circular eddy-current flow in the housing of the satellite which generates magnetic force opposing the rotation. In another embodiment the magnetic field is generated by the use of an electromagnet (49) on a remote manipulation arm (45).

REFERENCES:
patent: 3003356 (1961-10-01), Nordsieck
patent: 3017777 (1962-01-01), Haeussermann
patent: 3048350 (1962-08-01), Cutler
patent: 3478986 (1969-11-01), Fogarty
patent: 3504868 (1970-04-01), Engelberger
patent: 4260187 (1981-04-01), Frosch et al.

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