JPH0195544U - - Google Patents
Info
- Publication number
- JPH0195544U JPH0195544U JP18998887U JP18998887U JPH0195544U JP H0195544 U JPH0195544 U JP H0195544U JP 18998887 U JP18998887 U JP 18998887U JP 18998887 U JP18998887 U JP 18998887U JP H0195544 U JPH0195544 U JP H0195544U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- movable
- side magnetic
- pole part
- movable element
- 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
- 230000005284 excitation Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
Landscapes
- High-Pressure Fuel Injection Pump Control (AREA)
- Electromagnets (AREA)
Description
第１図は本考案の一実施例を示す概略縦断面図
、第２図は第１図の実施例の可動子の変位角に対
する吸引力及びバネ力の変化の状態を示す線図、
第３図は第１図の実施例の励磁電流に対する可動
子の変位角の変化の状態を示す線図、第４図は本
考案の他の実施例を示す概略縦断面図、第５図は
考案の更に他の実施例を示す概略縦断面図、第６
図は従来のアクチユエータの可動子の変位角に対
する吸引力及びバネ力の変化の状態を示す線図、
第７図は従来のアクチユエータの励磁電流に対す
る可動子の変位角の変化の状態を示す線図、第８
図は本考案のアクチユエータを用いる電子ガバナ
の一構成例を示すブロツク図である。
１０…フレーム、１１…固定子、１２…可動子
、１２ｂ〜１２ｄ…磁極部（可動側磁極部）、１
３…固定子鉄心、１３ｂ〜１３ｄ…磁極部（固定
側磁極部）、１２ｂ１〜１２ｄ１及び１３ｂ１〜
１３ｄ１…磁極面、１５…励磁コイル、１７，１
７′…段部（間隙変更部）、２２…復帰バネ。
FIG. 1 is a schematic vertical sectional view showing an embodiment of the present invention, FIG. 2 is a diagram showing changes in the attractive force and spring force with respect to the displacement angle of the movable element in the embodiment of FIG. 1,
FIG. 3 is a diagram showing how the displacement angle of the mover changes with respect to the excitation current in the embodiment shown in FIG. 1, FIG. 4 is a schematic longitudinal sectional view showing another embodiment of the present invention, and FIG. Schematic vertical sectional view showing still another embodiment of the invention, No. 6
The figure is a diagram showing changes in attraction force and spring force with respect to the displacement angle of the mover of a conventional actuator.
FIG. 7 is a diagram showing how the displacement angle of the mover changes with respect to the excitation current of a conventional actuator.
The figure is a block diagram showing an example of the configuration of an electronic governor using the actuator of the present invention. DESCRIPTION OF SYMBOLS 10... Frame, 11... Stator, 12... Mover, 12b-12d... Magnetic pole part (movable side magnetic pole part), 1
3... Stator core, 13b to 13d... Magnetic pole part (fixed side magnetic pole part), 12b 1 to 12d 1 and 13b 1 to
13d 1 ...Magnetic pole surface, 15...Exciting coil, 17,1
7′...Stepped portion (gap change portion), 22...Return spring.
Claims (1)
ムに変位可能に支持された可動子と、 前記可動子が変位する際に前記可動側磁極部の
磁極面と略一定の間隙を介して対向する磁極面を
有する少なくとも１個の固定側磁極部及び前記固
定側磁極部と前記可動側磁極部との間に吸引力を
生じさせる磁束を発生する励磁コイルを有して前
記フレームに固定された固定子と、 前記可動子を前記固定子から離反する向きに付
勢する復帰バネとを具備してなる電子ガバナ用ア
クチユエータにおいて、 前記可動側磁極部の基部及び前記固定側磁極部
の基部の少なくとも一方に、前記可動子が所定の
位置以上に変位したときに前記可動側磁極部の磁
極面と前記固定側磁極部の磁極面との間に形成さ
れる間隙内に間隙寸法が小さい間隙部分を形成す
る間隙変更部を設けたことを特徴とする電子ガバ
ナ用アクチユエータ。[Claims for Utility Model Registration] A movable element having at least one movable magnetic pole part and movably supported by a frame, and a magnetic pole face of the movable magnetic pole part when the movable element is displaced. At least one fixed side magnetic pole part having magnetic pole faces facing each other with a certain gap therebetween, and an excitation coil that generates a magnetic flux that generates an attractive force between the fixed side magnetic pole part and the movable side magnetic pole part. an actuator for an electronic governor, comprising: a stator fixed to the frame; and a return spring that biases the movable element in a direction away from the stator; At least one of the bases of the side magnetic pole section is provided with a gap formed between the magnetic pole surface of the movable side magnetic pole section and the magnetic pole surface of the fixed side magnetic pole section when the movable element is displaced beyond a predetermined position. An actuator for an electronic governor, characterized in that it is provided with a gap changing section that forms a gap portion with a small gap size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18998887U JPH0195544U (en) | 1987-12-16 | 1987-12-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18998887U JPH0195544U (en) | 1987-12-16 | 1987-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0195544U true JPH0195544U (en) | 1989-06-23 |
Family
ID=31480991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18998887U Pending JPH0195544U (en) | 1987-12-16 | 1987-12-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0195544U (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5498503A (en) * | 1977-01-19 | 1979-08-03 | Gen Datacomm Ind Inc | Communication system encoding system |
| JPS5730339B2 (en) * | 1976-07-26 | 1982-06-28 | ||
| JPS57183532A (en) * | 1981-05-07 | 1982-11-11 | Nippon Denso Co Ltd | Electric speed governor |
| JPS5886709A (en) * | 1981-11-18 | 1983-05-24 | Nippon Denso Co Ltd | Linear solenoid device |
| JPS60158225A (en) * | 1984-01-06 | 1985-08-19 | ザ・グツドイヤー・タイヤ・アンド・ラバー・カンパニー | Rubber containing rosin acid ester |
| JPS62279236A (en) * | 1986-05-29 | 1987-12-04 | Kokusan Denki Co Ltd | Actuator for controlling internal combustion engine |
-
1987
- 1987-12-16 JP JP18998887U patent/JPH0195544U/ja active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5730339B2 (en) * | 1976-07-26 | 1982-06-28 | ||
| JPS5498503A (en) * | 1977-01-19 | 1979-08-03 | Gen Datacomm Ind Inc | Communication system encoding system |
| JPS57183532A (en) * | 1981-05-07 | 1982-11-11 | Nippon Denso Co Ltd | Electric speed governor |
| JPS5886709A (en) * | 1981-11-18 | 1983-05-24 | Nippon Denso Co Ltd | Linear solenoid device |
| JPS60158225A (en) * | 1984-01-06 | 1985-08-19 | ザ・グツドイヤー・タイヤ・アンド・ラバー・カンパニー | Rubber containing rosin acid ester |
| JPS62279236A (en) * | 1986-05-29 | 1987-12-04 | Kokusan Denki Co Ltd | Actuator for controlling internal combustion engine |
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