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US 9,752,652 B2Granted
Traction motor assembly with gear-interconnected wheel and output shaft
AssigneeNidec Motor Corporation
InventorsWilliam D. Moore, Philip S. Johnson
Life of this patent
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Abstract
Electric motors are disclosed. The motors are preferably for use in an automated vehicle, although any one or more of a variety of motor uses are suitable. The motors include lift, turntable, and locomotion motors.
Claims18
A mobile machine comprising:
- a rotatable ground-engaging wheel including a hub;
- and
- a motor assembly including a rotatable output shaft,
- said output shaft including an output gear,
- said hub presenting a wheel gear that drivingly intermeshes with the output gear, such that rotation of the output gear imparts rotation to the wheel,
- said motor assembly including a motor case,
- said motor case and said hub cooperatively defining a gear chamber in which the output and wheel gears intermesh,
- said motor case and said hub cooperatively defining a seal interface that communicates with the gear chamber,
- said interface comprising a labyrinth.
6 more elements
Dependencies are inferred from the claim text.