JPS59135086U

JPS59135086U - Signal generator for internal combustion engine ignition system

Info

Publication number: JPS59135086U
Application number: JP2720383U
Authority: JP
Inventors: 宮本　光徳; 浩山田
Original assignee: 国産電機株式会社
Priority date: 1983-02-28
Filing date: 1983-02-28
Publication date: 1984-09-10

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 the drawing]

第１図及び第２図はそれぞれ異なる従来例の要部を示し
た断面図、第３図は本考案の実施例を示した横断面図、
第４図は第３図のＩＶ−ＩＶ線断面図、第５図Ａは打出
凹部の横断面の形状の一例を示した断面図、第５図Ｂ及
びＣはそれぞれ打出凹部の縦断面の形状の異なる例を示
す断面図、第６図Ａ乃至Ｃはそれぞれ第５図Ａ乃至Ｃの
打出凹部を形成するオス型及びメス型を示した断面図、
第７図は本考案の他の実施例の要部を示す横断面図、第
８図は第７図の■−■線断面図、第９図は第８図の打出
凹部を形成するオス型とメス型を示す概略断面図、第１
０図は第３図及び第４図の実施例の磁束及び信号電圧波
形を示す線図、第１１図は第７図及び第８図の実施例の
磁束及び信号電圧波形を示す線図である。１・・・フライホイール、１０３・・・フライホイール
の周壁、１０４・・・打出し、凹部、４・・・誘導子磁
極部、５・・・信号発電子、５０１・・・鉄心、５０２
・・・ヨーク、５０３・・・磁石、５０４・・・コイル
。1 and 2 are cross-sectional views showing the main parts of different conventional examples, and FIG. 3 is a cross-sectional view showing an embodiment of the present invention.
4 is a sectional view taken along the line IV-IV in FIG. 3, FIG. 5A is a sectional view showing an example of the cross-sectional shape of the ejection recess, and FIGS. 5B and C are the longitudinal cross-sectional shapes of the ejection recess, respectively. 6A to C are sectional views showing a male mold and a female mold forming the ejection recesses of FIGS. 5A to C, respectively,
FIG. 7 is a cross-sectional view showing the main part of another embodiment of the present invention, FIG. 8 is a cross-sectional view taken along the line ■-■ in FIG. 7, and FIG. 9 is a male mold forming the punching recess shown in FIG. and a schematic cross-sectional view showing the female mold, 1st
Fig. 0 is a diagram showing the magnetic flux and signal voltage waveforms of the embodiments shown in Figs. 3 and 4, and Fig. 11 is a diagram showing the magnetic flux and signal voltage waveforms of the embodiments shown in Figs. 7 and 8. . DESCRIPTION OF SYMBOLS 1... Flywheel, 103... Peripheral wall of flywheel, 104... Embossing, recess, 4... Inductor magnetic pole part, 5... Signal generator, 501... Iron core, 502
... Yoke, 503 ... Magnet, 504 ... Coil.

Claims

[Claims of Utility Model Registration] An inductor magnetic pole portion provided on the outer periphery of a substantially cup-shaped flywheel attached to an internal combustion engine; In a signal generator for an internal combustion engine ignition system, the signal generator includes an iron core having a magnetic pole portion facing an inductor magnetic pole portion, a permanent magnet that flows a magnetic flux through the iron core, and a signal coil wound around the iron core, A signal generator for an internal combustion engine ignition system, wherein the inductor magnetic pole portion is formed by a concave portion formed by punching out the peripheral wall of the flywheel radially inward.