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US 8,946,954 B2Granted
Integrated direct drive motor and control
AssigneeNidec Motor Corporation
InventorsGregory A. Peterson, Daniel E. Hilton, Michael W. Major
Life of this patent
Estimating the term…
Abstract
An outer rotor motor is provided for use in a machine. The motor includes a rotor and a stator. A control board assembly configured to control at least one operational characteristic of the motor is mounted at least in part radially inside the stator.
Claims26
An outer rotor motor for use in a machine, said motor comprising:
- a rotor rotatable about an axis;
- a stator spaced at least in part radially inside the rotor,
- said stator including a generally toroidal core and wiring wound around the core such that the stator takes a generally toroidal form;
- a control board assembly being configured to control at least one operational characteristic of the motor,
- said control board assembly mounted at least in part radially inside the stator to be at least substantially circumscribed by the stator,
- said control board assembly including
- a base, and
- an electronic component supported on the base and positioned at least in part radially inside the stator;
- and
- insulating structure configured to insulatively cover at least part of the core,
- said insulating structure defining a shelf,
- said control board assembly being affixed to the shelf.
9 more elements
Dependencies are inferred from the claim text.