Motor with semi-spherical bearing

Details Motor with semi-spherical bearing Motor with semi-spherical bearing

1997-09-19

1998-12-29

LaBalle, Clayton E.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 90, 384123, 384108, 384112, F16C 1710, H02K 708

Patent

active

058545247

ABSTRACT:
Disclosed is a motor including a stator, a rotor cooperating with the stator, a rotating shaft rotating with the rotor, the rotating shaft being provided in its bottom with a receiving space, and a semi-spherical bearing disposed in the receiving space of the rotating shaft. The semi-spherical bearing is truncated to define a planar portion and part of the receiving space is defined by a surface corresponding to the planar portion. The planar portion is provided with a plurality of grooves formed in a spiral-shape to allow for suction of air for smooth rotation.

REFERENCES:
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patent: 3466103 (1969-09-01), Davies et al.
patent: 3467449 (1969-09-01), Muijderman
patent: 3575476 (1971-04-01), Ortman
patent: 3764186 (1973-10-01), Laing et al.
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patent: 5173797 (1992-12-01), Zedekar et al.
patent: 5193084 (1993-03-01), Christiaens
patent: 5277499 (1994-01-01), Kameyama
patent: 5328272 (1994-07-01), Ainsle et al.
patent: 5357163 (1994-10-01), Minakuchi et al.

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