Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1995-10-03
1998-09-22
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 51, 384192, 384495, 384517, 384626, H02K 524, F16C 2302
Patent
active
058119027
ABSTRACT:
A motor support apparatus is provided which supports an output shaft of a motor used to operate a pump. The motor support apparatus includes a support housing, a bearing chamber formed in said support housing, a bearing member for bearing an output shaft of a motor. The bearing member is disposed within the bearing chamber with a given clearance between itself and an inner wall of the bearing chamber. A spring is provided so as to produce an eccentric spring load acting on the bearing member so as to decrease the given clearance for retaining the bearing member tightly within the bearing chamber in order to suppress mechanical vibrations generated during a motor operation.
REFERENCES:
patent: 4480881 (1984-11-01), Fujimori
patent: 4694212 (1987-09-01), Montagu
patent: 4851731 (1989-07-01), Saotome et al.
patent: 5109171 (1992-04-01), Schmider
patent: 5128574 (1992-07-01), Koizumi et al.
patent: 5174662 (1992-12-01), Harvey
patent: 5207514 (1993-05-01), Weissgerber
patent: 5372433 (1994-12-01), Nakanishi et al.
patent: 5426988 (1995-06-01), Ohata et al.
U.S.S.N. 08/363,518.
Nippondenso Co. Ltd.
Stephan Steven L.
Tamai K. Eizo
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