JPH01158564U - - Google Patents
Info
- Publication number
- JPH01158564U JPH01158564U JP5135388U JP5135388U JPH01158564U JP H01158564 U JPH01158564 U JP H01158564U JP 5135388 U JP5135388 U JP 5135388U JP 5135388 U JP5135388 U JP 5135388U JP H01158564 U JPH01158564 U JP H01158564U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical body
- magnetic pole
- combustion engine
- internal combustion
- signal rotor
- 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
- 230000002093 peripheral effect Effects 0.000 claims 6
- 238000002485 combustion reaction Methods 0.000 claims 5
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Description
第１図は本考案の信号発生装置の第１実施例の
一部断面平面図、第２図ａは第１実施例のシグナ
ルロータの外筒体の平面図、第２図ｂは同、側面
図、第３図ａは本考案の第１実施例のコイルに生
ずる磁束変化を示す波形図、第３図ｂは同、出力
信号発生電圧の波形図、第４図は本考案の第２実
施例のシグナルロータの平面図、第５図は本考案
の第３実施例のシグナルロータの平面図、第６図
ａは従来の円板状磁石のシグナルロータを電磁ピ
ツクアツプと組み合せたときのコイルに生ずる磁
束変化を示す波形図、第６図ｂは同、出力信号発
生電圧の波形図である。
１０…シグナルロータ、１１…外筒体、１２…
内筒体、２０…電磁ピツクアツプ、２１…ステー
タ、２２…コイル、３０…配電器、４０…シヤフ
ト（回転軸）、１１１〜１１４…第１の磁極層、
２１１〜２１４…第２の磁極層。
Fig. 1 is a partially sectional plan view of the first embodiment of the signal generator of the present invention, Fig. 2a is a plan view of the outer cylinder of the signal rotor of the first embodiment, and Fig. 2b is the same side view. Figure 3a is a waveform diagram showing magnetic flux changes occurring in the coil of the first embodiment of the present invention, Figure 3b is a waveform diagram of the output signal generation voltage, and Figure 4 is a waveform diagram of the output signal generation voltage in the second embodiment of the present invention. FIG. 5 is a plan view of a signal rotor according to a third embodiment of the present invention, and FIG. FIG. 6B is a waveform diagram showing the resulting magnetic flux change, and FIG. 6B is a waveform diagram of the output signal generation voltage. 10...Signal rotor, 11...Outer cylinder body, 12...
Inner cylindrical body, 20... Electromagnetic pickup, 21... Stator, 22... Coil, 30... Power distributor, 40... Shaft (rotating shaft), 111 to 114... First magnetic pole layer,
211-214...Second magnetic pole layer.
Claims (1)
の円筒体から成り、該円筒体の周壁の外周面に一
方の磁極が露呈するように当該円筒体の半径方向
で異なる極性となる少くとも一対の磁極を形成し
たシグナルロータと、該シグナルロータの外周面
に所定間隙を以つて一端面及び板面部が対向する
ように配設した板体のステータと、該ステータの
前記一端面側に巻装したコイルとを備え、前記シ
グナルロータの前記一方の磁極の前記シグナルロ
ータ回転方向の幅を、前記ステータの一端面の前
記シグナルロータ回転方向の幅と略同一幅に形成
したことを特徴とする内燃機関の信号発生装置。 (2) 前記シグナルロータの前記円筒体が、前記
内燃機関の回転に同期して回転する回転軸に中空
部を固定した磁性体の内筒体と、該内筒体に嵌着
した外筒体とから成り、該外筒体の半径方向に異
なる極性の一対の磁極であつて前記外筒体の周壁
の外周面に一方の磁極が露呈した磁極を、前記内
燃機関の気筒数に対応して前記外筒体の円周方向
に等間隔に着磁した第１の磁極層を有すると共に
、前記外筒体の周壁の残余部分を他方の磁極が露
呈するように着磁した第２の磁極層を有する請求
項１記載の内燃機関の信号発生装置。[Claims for Utility Model Registration] (1) Consisting of a magnetic cylindrical body that rotates in synchronization with the rotation of an internal combustion engine, the cylindrical body is constructed such that one magnetic pole is exposed on the outer peripheral surface of the peripheral wall of the cylindrical body. a signal rotor formed with at least a pair of magnetic poles having different polarities in the radial direction; a plate stator disposed on the outer peripheral surface of the signal rotor so that one end surface and a plate surface face each other with a predetermined gap; a coil wound around the one end surface of the stator, the width of the one magnetic pole of the signal rotor in the signal rotor rotation direction being approximately equal to the width of the one end surface of the stator in the signal rotor rotation direction; A signal generator for an internal combustion engine, characterized in that the signal generator is formed in a width. (2) The cylindrical body of the signal rotor includes an inner cylindrical body made of a magnetic material whose hollow part is fixed to a rotating shaft that rotates in synchronization with the rotation of the internal combustion engine, and an outer cylindrical body fitted into the inner cylindrical body. and a pair of magnetic poles having different polarities in the radial direction of the outer cylinder, one of which is exposed on the outer peripheral surface of the peripheral wall of the outer cylinder, in a number corresponding to the number of cylinders of the internal combustion engine. A second magnetic pole layer has a first magnetic pole layer magnetized at equal intervals in the circumferential direction of the outer cylinder, and a second magnetic pole layer is magnetized so that the other magnetic pole exposes the remaining part of the peripheral wall of the outer cylinder. 2. A signal generating device for an internal combustion engine according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5135388U JPH01158564U (en) | 1988-04-15 | 1988-04-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5135388U JPH01158564U (en) | 1988-04-15 | 1988-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01158564U true JPH01158564U (en) | 1989-11-01 |
Family
ID=31277381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5135388U Pending JPH01158564U (en) | 1988-04-15 | 1988-04-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01158564U (en) |
-
1988
- 1988-04-15 JP JP5135388U patent/JPH01158564U/ja active Pending
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