Motor

Details Motor Motor

1982-09-28

1984-12-11

Footland, Lenard A.

Bearings

Rotary bearing

Fluid bearing

F16C 3206

Patent

active

044875142

ABSTRACT:
A motor comprises a housing, a cylindrical stationary shaft placed upright on the housing, and a rotational shaft rotatably and coaxially supported by the stationary shaft. The rotational shaft has a cylindrical hollow portion coaxially formed therewith, open at one end of the rotational shaft, and into which the stationary shaft is inserted. The motor further comprises a first dynamic pressure type bearing formed on the outer peripheral surface of the stationary shaft for generating a dynamic pneumatic flow between the outer peripheral surface of the stationary shaft and the peripheral surface of the hollow portion to bear the radial load of the rotational shaft, and a second dynamic pressure type bearing formed on the outer peripheral surface of the stationary shaft for generating a dynamic pneumatic flow between the outer peripheral surface of the stationary shaft and the peripheral surface of the hollow portion to bear the thrust load of the rotational shaft.

REFERENCES:
patent: 2479349 (1949-08-01), Hagg
patent: 3121179 (1964-02-01), Macks
patent: 3503658 (1970-03-01), Remmers
patent: 3726572 (1973-04-01), Beardmore

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