Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1996-06-12
1999-04-27
LaBalle, Clayton E.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 67R, 384133, H02K 708, H02K 714, F16C 3374
Patent
active
RE0362026
ABSTRACT:
A disk spindle motor having a permanent magnet central shaft. A pair of annular, non-magnetic combination thrust and journal bearings having truncated-conical outer surfaces are spaced apart on the shaft. The bearing coact with complementary surfaces of the hub of a motor rotor. Shaft end caps connect the shaft to base means and have radially extending shoulders which define annular gaps with the rotor and function as ferrofluidic seals.
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Jensen Roger W.
LaBalle Clayton E.
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