Electric machine including suppressing materials
AssigneeDeere & Company
InventorsJacob PENCE, Clement V. GODBOLD, Ronald D. BREMNER, Kevin R. KING, Swapnil BADGUJAR, Christopher REEK
Life of this patent
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Abstract
Some example embodiments provide electric machine motor assemblies including suppressing materials for parasitic and/or bearing current reduction. An electric machine motor assembly including an electric motor configured to be driven by the electric power source, the electric motor including a stator frame, a stator winding attached to the stator frame, a rotor surrounded by the stator winding, a shaft extending from the rotor through the stator frame, and bearings between the shaft and the stator frame; and a suppressing material on the shaft.
Claims20
An electric machine motor assembly comprising:
- an electric power source;
- an electric motor configured to be driven by the electric power source, the electric motor including
- a stator frame,
- a stator winding attached to the stator frame,
- a rotor surrounded by the stator winding,
- a shaft extending from the rotor through the stator frame, and
- bearings between the shaft and the stator frame;
- and
- a suppressing material on the shaft.
An electric machine drive train comprising:
- an electric machine motor assembly including an electric motor configured to be driven by an electric power source, the electric motor including
- a stator frame,
- a stator winding attached to the stator frame,
- a rotor surrounded by the stator winding,
- a shaft extending from the rotor through the stator frame, and
- bearings between the shaft and the stator frame;
- a transmission including a transmission shaft;
- a coupler connecting the shaft to the transmission shaft;
- and
- a suppressing material.
Dependencies are inferred from the claim text.