Motor rotor and manufacturing method thereof

Details Motor rotor and manufacturing method thereof Motor rotor and manufacturing method thereof

2011-06-21

2011-06-21

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C029S596000, C029S598000, C310S156290, C310S156310, C310S156120, C310S156210, C310S156230, C310S271000, C310S261100

Reexamination Certificate

active

07965009

ABSTRACT:
A motor rotor has a resin-impregnated thread layer formed by winding a thread of a reinforced fiber material around a permanent magnet layer with a gap between an outer peripheral surface of the thread layer and an inner peripheral surface of a cylindrical body, and impregnating the thread layer with a curable resin. A subsequent thread layer is formed by leading a continuous thread into an annular passage through thread passing recesses, winding the continuous thread around a bottom portion of the passage, and impregnating the subsequent thread layer with a curable resin. A curable resin is injected into the gap between the outer peripheral surfaces of the thread layer and the subsequent thread layer and the inner peripheral surface of the cylindrical body through resin injection passages and/or the thread passing recesses before heating and curing.

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Machine translation of Takeda JP 62-172268U , Oct. 1987, pp. 6-8.
Machine translation of Kawamata et al. jp10174327, Permanent Magnet Rotor and its Manufacturing Method, Jun. 1998.

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