Integrated two-speed motor

Details Integrated two-speed motor Integrated two-speed motor

2008-01-08

2008-01-08

Ho, Ha (Department: 3681)

Planetary gear transmission systems or components

Electric or magnetic drive or control

C475S314000

Reexamination Certificate

active

07316627

ABSTRACT:
A vehicle drive assembly includes an integrated two-speed motor that can selectively drive an output at a high operating speed or a low operating speed. The two-speed motor includes a stator mounted to a non-rotating outer housing, and a rotor that is mounted for rotation relative to the stator. The rotor is supported an inner rotor support that defines an inner cavity. A two-speed shifting mechanism is incorporated into the inner cavity and is used to drive an output. The two-speed shifting mechanism includes a gear assembly and first and second clutch assemblies that cooperate with each other to provide low and high speed output capability as needed.

REFERENCES:
patent: 3080774 (1963-03-01), Nickerson et al.
patent: 4467230 (1984-08-01), Rovinsky
patent: 5285111 (1994-02-01), Sherman
patent: 5482512 (1996-01-01), Stevenson
patent: 5759128 (1998-06-01), Mizutani et al.
patent: 6555941 (2003-04-01), Zepp et al.
patent: 6727614 (2004-04-01), Neubauer et al.
patent: 7207915 (2007-04-01), Oshidari et al.

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