Rotating conductive heat transfer device

Details Rotating conductive heat transfer device Rotating conductive heat transfer device

1988-08-25

1989-08-22

Footland, Lenard A.

Bearings

Rotary bearing

Antifriction bearing

384506, 384476, 384492, 384516, 384517, 384518, 384522, 384912, 384493, F16C 3332, F16C 3360

Patent

active

048590908

ABSTRACT:
A rotating, conductive, heat transfer device is provided. The device includes an outer race having an axis, an inner race coaxial with the outer race, and a plurality of bearing balls disposed in a radial direction between the inner race and the outer race. The device also includes a plurality of separators disposed alternately in a peripheral direction between the bearing balls. The device has a first track and a second track, supported by the inner race, for supporting the separators. The inner race has a first, fixed, inner ring portion with a first bearing surface, and has a second, separable, inner ring portion with a second bearing surface. The outer race has a third bearing surface, disposed in a radial direction opposite to the first bearing surface. The outer race also has a fourth bearing surface, disposed in a radial direction opposite to the second bearing surface. The first and second and third and fourth bearing surfaces are in contact with a spherical surface of each bearing ball. The device also has a plurality of coil springs, which urge the second inner ring portion in an axial direction toward the first inner ring portion, thereby applying first and second and third and fourth forces normal to the respective first and second and third and fourth bearing surfaces, for providing heat conduction from one race to the other race.

REFERENCES:
patent: 1287225 (1917-03-01), Cheney
patent: 3198735 (1965-08-01), Lamson et al.
patent: 3360312 (1967-12-01), DeWit et al.
patent: 4227755 (1980-10-01), Lundberg

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