Planetary gear transmission systems or components – Electric or magnetic drive or control – With electric or magnetic controlled brake
Reexamination Certificate
2011-05-24
2011-05-24
Ho, Ha D. (Department: 3655)
Planetary gear transmission systems or components
Electric or magnetic drive or control
With electric or magnetic controlled brake
C475S149000
Reexamination Certificate
active
07946944
ABSTRACT:
An electric continuously variable transmission comprises a first rotating plate (110) which is mounted to a first shaft and provided with a sun gear (112), a second rotating plate (120) to which a planetary gear unit (121) is mounted, and a third rotating plate (130) which is mounted to a second shaft, with a ring gear (132) provided on a circumferential inner surface of the third rotating plate. The transmission further includes a field unit (140) which has a first coil (114) wound around a plurality of cores (113) provided on the first rotating plate. The transmission further includes a generation coil unit (150) which has a second coil (124) wound around a plurality of cores (123) provided on the second rotating plate.
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patent: 2385630 (1945-09-01), Lear
patent: 3797331 (1974-03-01), Kjeldsteen
patent: 4526060 (1985-07-01), Watanabe
patent: 5080639 (1992-01-01), Sakakibara et al.
patent: 6363807 (2002-04-01), Takahashi et al.
patent: 7354372 (2008-04-01), Wang
patent: 10-2005-0077161 (2005-08-01), None
Bame James E.
Ho Ha D.
IPLA P.A.
Poongsung Construction Co., Ltd.
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