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US 2006/0076845 A1Published application
Rotor of an outer-rotor type motor for use in a washing machine
AssigneeDaewoo Electronics Co., Ltd.
InventorsJin Park, Seoung Han, Man Han
Life of this patent
Estimating the term…
Abstract
A rotor of an outer-rotor type motor includes a rotor case made of a metal and provided with a base plate, an insert hole formed in a center portion of the base plate, a shaft bushing, for coupling a rotational axle and the rotor case, fixedly inserted into the insert hole by a insert molding, and a plurality of protruding ribs fixedly connected to the base plate. And the protruding ribs are radially connected to the shaft bushing.
Claims12
A rotor of an outer-rotor type motor, comprising:
- a rotor case provided with a base plate;
- an insert hole formed in a center portion of the base plate;
- a shaft bushing, fixedly inserted into the insert hole by a insert molding, for coupling a rotational axle with the rotor case;
- and
- a plurality of protruding ribs fixedly connected to the base plate,
- wherein the protruding ribs are radially connected to the shaft bushing.
3 more elements
A rotor of an outer rotor type motor, comprising:
- a rotor case provided with a base plate and a yoke portion, the yoke portion being extended upward from a periphery of the base plate and having permanent magnets attached thereto;
- an insert hole formed in a center portion of the base plate;
- and
- a shaft bushing, fixedly inserted into the insert hole, for coupling a rotational axle with the rotor case, wherein the yoke portion has a sloping portion formed in its lower portion, and a height from the sloping portion to an upper end of the yoke portion is less than a height of the permanent magnets.
1 more element
A rotor of an outer rotor type motor, comprising:
- a rotor case provided with a base plate and a yoke portion, the yoke portion being extended upward from a periphery of the base plate and having permanent magnets attached thereto;
- an insert hole formed in a center portion of the base plate;
- and
- a shaft bushing, fixedly inserted into the insert hole, for coupling a rotational axle with the rotor case, wherein the yoke portion has a curved portion formed in its upper end portion to be bent outward.
1 more element
Dependencies are inferred from the claim text.