Electrical generator or motor structure – Dynamoelectric – Rotary
Reissue Patent
2006-12-05
2006-12-05
Tamai, Karl (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S06700R, C310S156210, C310S156260, C068S023700
Reissue Patent
active
RE039416
ABSTRACT:
The present invention relates to a structure of a rotor for a brushless motor which can improve structural stiffness, restrict noise generation by reducing vibration during the rotation, use cheap materials, reduce a fabrication cost by fabricating a back yoke and a base plate unit in a single body. improve durability, and efficiently cool a heat generated in the motor during the operation by facilitating an external air inflow. The structure of the rotor for the brushless motor includes: a steel plate frame provided with a base plate unit in a disc shape having a plurality of insertion holes at its center portion, a plurality of radiation holes being formed at a circumferential portion of the insertion holes, a plurality of blades being formed at side portions of the radiation holes by cutting: a back yoke unit curved and extended in the upward direction, having a predetermined height at the circumferential portion of the base plate unit; and a radius-direction enhancing unit formed at the upper end portion of the back yoke unit; one or a plurality of ring type permanent magnets fixedly connected to the inner side portion of the back yoke unit; a connecting member inserted into the insertion hole positioned at the center, and connected to the steel plate frame; and a fixing unit fixing a driving shaft inserted into the connecting member and connected to the other constitutional elements.
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English Language Abstract of JP 8-289523.
English Language Abstract of JP 55-53153.
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English Language Abstract of JP 10-210727.
English Language Abstract of JP 9-285089.
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Hong Sang Wook
Park Jin Soo
Rew Ho Seon
Shin Hyoun Jeong
Greenblum & Bernstein P.L.C.
LG Electronics Inc.
Tamai Karl
LandOfFree
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