Direct drive high torque compact synchronous motor

Electrical generator or motor structure – Dynamoelectric – Rotary

Reexamination Certificate

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Details

C310S232000, C310S265000, C310S058000

Reexamination Certificate

active

07119471

ABSTRACT:
A synchronous motor includes a housing20, a stator assembly30mounted within the housing20, a rotor assembly40rotationally mounted within the housing20, a rotor shaft50having an upper mounting surface52attached to the rotor assembly40, a bearing assembly60coupled to the housing20and positioned axially between the rotor assembly40and the upper mounting surface52, a slip ring assembly70supported by the housing20and positioned axially at least partially within the stator assembly30and the rotor assembly40, and an encoder assembly80adjacent the slip ring assembly70.

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patent: 5408960 (1995-04-01), Woytowich
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patent: 5682074 (1997-10-01), Di Pietro et al.
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patent: 6501190 (2002-12-01), Seguchi et al.
patent: 6656137 (2003-12-01), Tyldsley et al.
patent: 6703740 (2004-03-01), Klode
patent: 6913390 (2005-07-01), Inoue et al.
patent: 6941637 (2005-09-01), Fukunaga et al.

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