Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2005-08-16
2005-08-16
Tamai, Karl E. (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S090000, C290S039000, C290S03800C, C074S00700R
Reexamination Certificate
active
06930430
ABSTRACT:
A starter for an internal combustion engine is provided which includes a pair of angular contact ball bearings used to support an armature shaft. The bearings are disposed close to opposed ends of a core of an armature. The core has disposed thereon coils which define a commutator on one of the ends of the core. One of the bearings is disposed within an inner periphery of the commutator. This structure results in a decreased interval between the bearings, thus ensuring stability in supporting the armature shaft during rotation, which results in decreased mechanical vibrations, magnetic noises, and wear of the bearings.
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Niimi Masami
Shiga Tsutomu
Denso Corporation
Tamai Karl E.
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