JPH02129179U

JPH02129179U -

Info

Publication number: JPH02129179U
Application number: JP3888589U
Authority: JP
Priority date: 1989-03-31
Filing date: 1989-03-31
Publication date: 1990-10-24

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例における細形円筒ブ
ラシレスモータの断面図、第２図はシート状パタ
ーンコイルの展開平面図、第３図はシート状パタ
ーンコイルを円筒状に２回まるめた斜視図と２極
着磁された永久磁石ロータを示す斜視図、第４図
は従来の細形円筒ブラシレスの断面図である。１……シヤフト、２，３……軸受、４……スペ
ーサ、５……ブラケツト、６……コア、７……ケ
ース、８……シート状パターンコイル、９……永
久磁石ロータ。 Fig. 1 is a sectional view of a thin cylindrical brushless motor according to an embodiment of the present invention, Fig. 2 is a developed plan view of a sheet pattern coil, and Fig. 3 is a perspective view of the sheet pattern coil rolled twice into a cylindrical shape. FIG. 4 is a perspective view showing a two-pole magnetized permanent magnet rotor, and FIG. 4 is a sectional view of a conventional thin cylindrical brushless. 1... Shaft, 2, 3... Bearing, 4... Spacer, 5... Bracket, 6... Core, 7... Case, 8... Sheet pattern coil, 9... Permanent magnet rotor.

Claims

[Claims for Utility Model Registration] (1) A shaft, a bearing rotatably supporting the shaft, an integrated permanent magnet rotor having two magnetic poles disposed on the shaft, and Slotless laminated cores facing each other with a gap and having a hollow part in the center, multiple approximately rectangular sheet pattern coils connected together, and holding a sheet coil with an input terminal and one bearing. An inner rotor type brushless motor is provided with a case that holds a bracket and the other bearing and houses the laminated core and the bracket, the sheet-like pattern coil being doubled in a cylindrical shape and permanently A slender cylindrical brushless motor with a gap in the radial direction facing the magnet rotor and disposed on the inner periphery of a laminated core. (2) When rounded, the center of each phase coil piece is 150
2. A narrow cylindrical brushless motor according to claim 1, comprising sheet pattern coils facing each other at an angle of 180 degrees.