Rotary electrical device having particular coil support...

Details Rotary electrical device having particular coil support... Rotary electrical device having particular coil support...

2011-05-10

2011-05-10

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S058000, C310S061000, C310S270000

Reexamination Certificate

active

07939977

ABSTRACT:
A rotor for a rotary electrical device to be arranged to face to a stator, comprises a rotor iron core extending axially and including a plurality of slots arranged with a predetermined circumferential interval, a rotor coil contained by the slots, a coil support member of electrically insulating property arranged between parts of the rotor coil at an axial end of the rotor coil, and a retaining ring covering the coil support member and the axial end of the rotor coil, the coil support member has two fitted portions and a connecting portion connecting the fitted portions to each other to form H-shape of cross section and to form a space between the rotor coil and each of opposite sides of the connecting portion, and the coil support member further has a communicating path communicating to the spaces.

REFERENCES:
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patent: 4656382 (1987-04-01), Moore et al.
patent: 6087745 (2000-07-01), Dreher
patent: 6204580 (2001-03-01), Kazmierczak
patent: 6346754 (2002-02-01), Kieda et al.
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patent: 4021861 (1992-01-01), None
patent: 07075272 (1995-03-01), None
patent: 09051655 (1997-02-01), None
patent: 10112947 (1998-04-01), None
patent: 2000-350412 (2000-12-01), None
Machine translation of JP 07075272 A , Mar. 1995.
Takayama et al., JP 10112947 Machine Translation, 1998.

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