Fluid bearing unit and manufactured method thereof

Details Fluid bearing unit and manufactured method thereof Fluid bearing unit and manufactured method thereof

1994-10-18

1997-05-13

Hannon, Thomas R.

Bearings

Rotary bearing

Plain bearing

384100, 384133, F16C 3206, F16C 3382

Patent

active

056285698

ABSTRACT:
A fluid bearing unit includes a shaft; a bearing; bearing fluid arranged between a shaft and a bearing which are rotatably engaged with each other so that they can be relatively rotated so as to generate dynamic pressure in the bearing fluid, wherein at least one of the bearing and the member for fixing the bearing unit is made of iron alloy having the volumetric magnetostriction of which acts to cancel the thermal expansion so as to become the coefficient of linear expansion thereof lower than that of the shaft.

REFERENCES:
patent: 2324676 (1943-07-01), Butterfield
patent: 3841720 (1974-10-01), Kovach et al.
patent: 3947079 (1976-03-01), Anderson
patent: 4032268 (1977-06-01), Wankel
patent: 4832908 (1989-05-01), Ishikawa et al.
patent: 4904447 (1990-02-01), Handa
patent: 5238308 (1993-08-01), Lang et al.
patent: 5310264 (1994-05-01), Mishima et al.

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