JPH0472867U - - Google Patents
Info
- Publication number
- JPH0472867U JPH0472867U JP11214690U JP11214690U JPH0472867U JP H0472867 U JPH0472867 U JP H0472867U JP 11214690 U JP11214690 U JP 11214690U JP 11214690 U JP11214690 U JP 11214690U JP H0472867 U JPH0472867 U JP H0472867U
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnets
- rotor
- gaps
- circumferential dimension
- combustion engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims 7
- 230000002093 peripheral effect Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 8
- 230000004907 flux Effects 0.000 description 4
Landscapes
- Permanent Magnet Type Synchronous Machine (AREA)
Description
第１図は本考案の実施例を示す構成図、第２図
は第１図の半部断面図、第３図は同実施例の磁束
変化及び誘起電圧波形を示した波形図、第４図は
本考案の他の実施例を示した構成図、第５図は同
実施例の磁束波形及び誘起電圧波形を示した波形
図、第６図は本考案の更に他の実施例を示した構
成図、第７図は同実施例の半部断面図、第８図は
同実施例で用いる磁気検出素子が検出する磁束密
度と該検出素子が発生する信号電圧との関係を示
す線図、第９図は同実施例における磁束密度の変
化と誘起電圧波形とを示した波形図、第１０図は
本考案の信号発生装置を用いるのに適した点火装
置の構成例を示した回路図である。
２０……フライホイール、２０ｃ……ボス部、
２２Ａ〜２２Ｆ……磁石、２３……フライホイー
ル磁石回転子、Ｇ１〜Ｇ６……磁石相互間の間隙
、３０Ａ〜３０Ｃ……鉄心、２Ａ〜２Ｃ……信号
コイル。
Fig. 1 is a configuration diagram showing an embodiment of the present invention, Fig. 2 is a half sectional view of Fig. 1, Fig. 3 is a waveform diagram showing magnetic flux changes and induced voltage waveforms of the same embodiment, Fig. 4 is a configuration diagram showing another embodiment of the present invention, FIG. 5 is a waveform diagram showing the magnetic flux waveform and induced voltage waveform of the same embodiment, and FIG. 6 is a configuration diagram showing still another embodiment of the present invention. 7 is a half-sectional view of the same embodiment, and FIG. 8 is a diagram showing the relationship between the magnetic flux density detected by the magnetic detection element used in the embodiment and the signal voltage generated by the detection element. FIG. 9 is a waveform diagram showing changes in magnetic flux density and induced voltage waveforms in the same embodiment, and FIG. 10 is a circuit diagram showing an example of the configuration of an ignition device suitable for using the signal generator of the present invention. . 20...Flywheel, 20c...Boss part,
22A to 22F...Magnet, 23...Flywheel magnet rotor, G1 to G6...Gap between magnets, 30A to 30C...Iron core, 2A to 2C...Signal coil.
Claims (1)
ホイールの周壁部の内周に４個の永久磁石を間隔
をあけて取り付けてなる磁石回転子と、 前記磁石回転子の内側に１８０度間隔で配置さ
れた２個の鉄心と、 前記２個の鉄心にそれぞれ巻装された信号コイ
ルとを備え、 各鉄心は一端を前記磁石回転子の永久磁石に対
向させた状態で配置され、 前記磁石回転子の永久磁石相互間に形成された
４個の間隙の内、１個の間隙の周方向寸法が他の
間隙の周方向寸法よりも大きく設定されているこ
とを特徴とする多気筒内燃機関用点火信号発生装
置。 (2) 内燃機関に取付けられるカツプ状のフライ
ホイールの周壁部の内周に６個の永久磁石を間隔
をあけて取り付けてなる磁石回転子と、 前記磁石回転子の内側に１２０度間隔で配置さ
れた３個の鉄心と、 前記３個の鉄心にそれぞれ巻装された信号コイ
ルとを備え、 各鉄心は一端を前記磁石回転子の永久磁石に対
向させた状態で配置され、 前記磁石回転子の永久磁石相互間に形成された
６個の間隙の内、１個の間隙の周方向寸法が他の
間隙の周方向寸法よりも大きく設定されているこ
とを特徴とする多気筒内燃機関用点火信号発生装
置。 (3) カツプ状のフライホイールの周壁部の内周
に４個の永久磁石を間隔をあけて取り付けてなる
磁石回転子と、 前記磁石回転子の内側に１８０度間隔で配置さ
れた２個の磁気検出素子とを備え、 前記２個の磁気検出素子はそれぞれの磁気検知
面を前記永久磁石に対向させた状態で配置され、 前記磁石回転子の永久磁石相互間に形成された
４個の間隙の内、１個の間隙の周方向寸法が他の
間隙の周方向寸法よりも大きく設定されているこ
とを特徴とする多気筒内燃機関用点火信号発生装
置。 (4) カツプ状のフライホイールの周壁部の内周
に６個の永久磁石を間隔をあけて取り付けてなる
磁石回転子と、 前記磁石回転子の内側に１２０度間隔で配置さ
れた３個の磁気検出素子とを備え、 前記３個の磁気検出素子はそれぞれの磁気検知
面を前記永久磁石に対向させた状態で配置され、 前記磁石回転子の永久磁石相互間に形成された
６個の間隙の内、１個の間隙の周方向寸法が他の
間隙の周方向寸法よりも大きく設定されているこ
とを特徴とする多気筒内燃機関用点火信号発生装
置。 (5) 前記磁気検出素子はホール素子からなつて
いる請求項３または４に記載の多気筒内燃機関用
点火信号発生装置。[Claims for Utility Model Registration] (1) A magnet rotor comprising four permanent magnets attached at intervals to the inner circumference of a peripheral wall of a cup-shaped flywheel attached to an internal combustion engine, and the magnet rotor. two iron cores arranged at 180 degree intervals inside the iron core, and a signal coil wound around each of the two iron cores, with one end of each iron core facing the permanent magnet of the magnet rotor. Among the four gaps formed between the permanent magnets of the magnet rotor, the circumferential dimension of one gap is set larger than the circumferential dimension of the other gaps. An ignition signal generator for a multi-cylinder internal combustion engine. (2) A magnetic rotor in which six permanent magnets are installed at intervals on the inner periphery of the peripheral wall of a cup-shaped flywheel that is attached to an internal combustion engine, and arranged at 120 degree intervals inside the magnetic rotor. three iron cores, and a signal coil wound around each of the three iron cores, each iron core is arranged with one end facing a permanent magnet of the magnet rotor, and the magnet rotor An ignition for a multi-cylinder internal combustion engine, characterized in that the circumferential dimension of one of the six gaps formed between the permanent magnets is set larger than the circumferential dimension of the other gaps. Signal generator. (3) A magnetic rotor consisting of four permanent magnets installed at intervals on the inner periphery of the peripheral wall of a cup-shaped flywheel, and two permanent magnets arranged at 180 degree intervals inside the magnetic rotor. a magnetic detection element, the two magnetic detection elements are arranged with their respective magnetic detection surfaces facing the permanent magnet, and four gaps are formed between the permanent magnets of the magnet rotor. An ignition signal generating device for a multi-cylinder internal combustion engine, wherein the circumferential dimension of one gap is set larger than the circumferential dimension of the other gaps. (4) A magnetic rotor with six permanent magnets attached at intervals to the inner periphery of the peripheral wall of a cup-shaped flywheel, and three permanent magnets arranged at 120 degree intervals inside the magnetic rotor. a magnetic detection element, the three magnetic detection elements are arranged with their respective magnetic detection surfaces facing the permanent magnets, and six gaps are formed between the permanent magnets of the magnet rotor. An ignition signal generating device for a multi-cylinder internal combustion engine, wherein the circumferential dimension of one gap is set larger than the circumferential dimension of the other gaps. (5) The ignition signal generating device for a multi-cylinder internal combustion engine according to claim 3 or 4, wherein the magnetic detection element is a Hall element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11214690U JPH0472867U (en) | 1990-10-29 | 1990-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11214690U JPH0472867U (en) | 1990-10-29 | 1990-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0472867U true JPH0472867U (en) | 1992-06-26 |
Family
ID=31859647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11214690U Pending JPH0472867U (en) | 1990-10-29 | 1990-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0472867U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4876237A (en) * | 1972-01-13 | 1973-10-13 | ||
| JPS516326B1 (en) * | 1970-12-28 | 1976-02-27 | ||
| JPS62126845A (en) * | 1985-11-25 | 1987-06-09 | Mitsubishi Electric Corp | Magneto generator |
-
1990
- 1990-10-29 JP JP11214690U patent/JPH0472867U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS516326B1 (en) * | 1970-12-28 | 1976-02-27 | ||
| JPS4876237A (en) * | 1972-01-13 | 1973-10-13 | ||
| JPS62126845A (en) * | 1985-11-25 | 1987-06-09 | Mitsubishi Electric Corp | Magneto generator |
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