Brushless motor

Details Brushless motor Brushless motor

2008-11-04

2010-06-08

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S216051, C310S216049, C310S216071, C310S216086, C310S216088

Reexamination Certificate

active

07732969

ABSTRACT:
A brushless motor according to the present invention is provided with: a tubular stator case; a stator core; and a rotor. The stator core includes a tubular yoke portion and a plurality of split cores. A plurality of dovetail grooves are formed in an inner peripheral surface of the yoke portion; each split core has a coil bobbin which has a mounting hole so as to penetrate in a radial direction, and a split teeth which is mounted into the mounting hole of the coil bobbin. The coil bobbin has a winding portion, and flange portions, and a clearance portion into which a winding starting end of the coil is strayed from the winding portion is formed on the inside of the one of the flange portions by reducing the thickness of the flange portion such that.

REFERENCES:
patent: 7247967 (2007-07-01), Ionel et al.
patent: 2005/0099086 (2005-05-01), Schunk et al.
patent: 3190511 (2001-05-01), None
patent: 2006-296033 (2006-10-01), None

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