ELECTRIC MOTOR
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Accused Products
Abstract
The invention relates to an electric motor with a rotating hollow shaft (1) connected to a rotor (4) of the electric motor, wherein for supplying electric energy to the motor, a converter (11) and a corresponding electronic control circuit (13) are at least partly integrated in a hollow space (2) within the hollow shaft (1), whereby the converter (11) and the control electronic circuit (13) are stationarily mounted. This approach produces an electric motor powered by a converter (11) which requires only limited space.
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Citations
34 Claims
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1-10. -10. (canceled)
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11. An electric motor, comprising:
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an internal rotor; a hollow shaft connected to the rotor and having an interior hollow space; and a power supply for supply of electric energy to the electric motor, said power supply including a converter, and an electronic control circuit operatively connected to the converter, said power supply being integrated entirely in the hollow space of the hollow shaft and stationarily mounted within the hollow space. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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- 23. A machine-tool or production machine, comprising an electric motor including an internal rotor, a hollow shaft connected to the rotor and having an interior hollow space, and a power supply for supply of electric energy to the electric motor, said power supply including a converter, and an electronic control circuit operatively connected to the converter, said power supply being integrated entirely in the hollow space of the hollow shaft and stationarily mounted within the hollow space.
Specification