JPS60194137U

JPS60194137U - Throttle valve opening sensor

Info

Publication number: JPS60194137U
Application number: JP8254984U
Authority: JP
Inventors: 竹沢　勝利
Original assignee: 三國工業株式会社
Priority date: 1984-06-05
Filing date: 1984-06-05
Publication date: 1985-12-24

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図乃至第３図は本考案の絞り弁開度センサの第１の
実施例、第４図、第５図は第２の実施例、第６図、第７
図は第３の実施例、第８図は第３の実施例の変形例、第
９図は直線型ポテンショメータを使用した従来例を示す
。符号の説明、１・・・吸気通路、２・・・絞り弁１．３
・・・絞り弁回動軸、４・・・絞り弁を開閉制御する駆
動機構、５・・・制御モータ、６・・・駆動側プーリ、
７・・・被動側プーリ、８・・・ベルト、９・・・抵抗
膜、１０・・・接触子、１１・・・検出ヘッド、１２・
・・リード線、１３．１４・・・端子、１５・・・螺子
部材、１６・・・リンクロッド、１７・・・絞り弁レバ
ー、１８・・・円板、１９・・・扇形板。1 to 3 show the first embodiment of the throttle valve opening sensor of the present invention, FIGS. 4 and 5 show the second embodiment, and FIGS.
The figure shows the third embodiment, FIG. 8 shows a modification of the third embodiment, and FIG. 9 shows a conventional example using a linear potentiometer. Explanation of symbols, 1... Intake passage, 2... Throttle valve 1.3
... Throttle valve rotating shaft, 4... Drive mechanism that controls opening and closing of the throttle valve, 5... Control motor, 6... Drive side pulley,
7... Driven pulley, 8... Belt, 9... Resistive film, 10... Contact, 11... Detection head, 12...
... Lead wire, 13.14 ... Terminal, 15 ... Screw member, 16 ... Link rod, 17 ... Throttle valve lever, 18 ... Disc, 19 ... Fan-shaped plate.

Claims

[Scope of utility model registration request]

(1) A resistive film 9 constituting a potentiometer is formed on the outer surface of any of the moving members constituting the drive mechanism 4 that controls the opening and closing of the throttle valve 2 disposed in the engine intake passage 1;
A throttle valve opening sensor in which a contactor 10 for detecting the potential of the resistive film 9 is fixed to a non-moving member needle relative to the drive mechanism.

(2) The drive mechanism 4 that controls the opening and closing of the throttle valve 2 includes a control motor 5, a drive pulley 6 fixed to the rotation shaft of the control motor 5, and a driven pulley 6 fixed to the rotation shaft of the throttle valve 2. Boo U 7, and the driving pulley 6 and the driven pulley 7.
A throttle valve opening sensor according to claim (1) of the above-mentioned utility model registration, which comprises a belt 8 that is placed over a belt 8.

(3) The utility model registration claims 1 and 2, wherein the resistive film 9 is formed on the side surface of the driven pulley 7 in the shape of an arc concentric with the outer peripheral surface of the driven pulley 7. )
Throttle valve opening sensor described in section.

(4) The resistive film 9 is formed on the outer peripheral surface of the belt 8.
Throttle valve opening sensor described in section 2).

(5) The drive mechanism 4 that controls the opening and closing of the throttle valve 2 operates the throttle valve lever 17 fixed to the rotating shaft of the throttle valve 2, the link rod 16 that engages with the throttle valve lever 17, and the four link rod 16. The throttle valve lever 17 is formed integrally with a disc 18 concentric with the rotation axis or a fan-shaped plate 19 that is a part of the disc.
Alternatively, the throttle valve opening sensor according to claim 1, wherein the resistive film 9 is formed on the side surface or the outer peripheral surface of the fan-shaped plate 19.

(6) The throttle valve opening sensor according to claim 1, wherein a contactor 10 for detecting the potential of the resistive film 9 is fixed to a housing that protects the drive mechanism 4.