JPS58162775U

JPS58162775U - brushless motor

Info

Publication number: JPS58162775U
Application number: JP5857082U
Authority: JP
Inventors: 文雄伊藤
Original assignee: 群馬日本電気株式会社
Priority date: 1982-04-23
Filing date: 1982-04-23
Publication date: 1983-10-29

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来のブラシレスモータの基板の平面図、第２
図は従来のブラシレスモータの断面図、第３図はこの考
案によるブラシレスモータの断面図、第４図はこの考案
によるブラシレスモータの基板の平面図である。なお図面において、１０・・・・・・基板、１１・・・
・・・回転軸、１２・・・・・・ロータ、１２ａ・・・
・・・着磁部、１３・・・・・・パターン、１７．１８
・・・・・・磁気変換素子（ホール素子）、である。Figure 1 is a plan view of the board of a conventional brushless motor;
FIG. 3 is a sectional view of a conventional brushless motor, FIG. 3 is a sectional view of a brushless motor according to this invention, and FIG. 4 is a plan view of a board of the brushless motor according to this invention. In the drawings, 10...substrate, 11...
...Rotating shaft, 12...Rotor, 12a...
... Magnetized part, 13 ... Pattern, 17.18
......A magnetic conversion element (Hall element).

Claims

[Scope of utility model registration request]

The rotor position is detected by a magnetic transducer element, the coil current is controlled by this detection signal, and a frequency generator is provided. A rotor is rotatably disposed on the substrate, a magnetized part for the frequency generator is formed in the center of the rotor, and a gear-shaped conductive pattern is formed on the surface of the substrate facing the center of the rotor. A brushless motor, wherein the magnetic conversion element is disposed on the substrate facing the outer peripheral surface of the rotor.