JPS6218331U - - Google Patents

Info

Publication number
JPS6218331U
JPS6218331U JP11066685U JP11066685U JPS6218331U JP S6218331 U JPS6218331 U JP S6218331U JP 11066685 U JP11066685 U JP 11066685U JP 11066685 U JP11066685 U JP 11066685U JP S6218331 U JPS6218331 U JP S6218331U
Authority
JP
Japan
Prior art keywords
current
motor
command
supply means
exhaust
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.)
Granted
Application number
JP11066685U
Other languages
Japanese (ja)
Other versions
JPH0241307Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1985110666U priority Critical patent/JPH0241307Y2/ja
Publication of JPS6218331U publication Critical patent/JPS6218331U/ja
Application granted granted Critical
Publication of JPH0241307Y2 publication Critical patent/JPH0241307Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Characterised By The Charging Evacuation (AREA)
  • Valve Device For Special Equipments (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の実施例を示す構成図、第２図
は排気時期調整機構部分を示す断面図、第３図は
制御回路の構成を示すブロツク図、第４図は制御
回路の具体的構成を示す回路図である。 主要部分の符号の説明、１……エンジン本体、
４……排気口、１３……フラツプバルブ、１５…
…スライドバルブ、２１……アクチユエータ、２
４……モータ、３１……制御回路、３４……電流
検出回路。 Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2 is a sectional view showing the exhaust timing adjustment mechanism, Fig. 3 is a block diagram showing the structure of the control circuit, and Fig. 4 is a concrete diagram of the control circuit. FIG. 2 is a circuit diagram showing the configuration. Explanation of symbols of main parts, 1...Engine body,
4...Exhaust port, 13...Flap valve, 15...
... Slide valve, 21 ... Actuator, 2
4...Motor, 31...Control circuit, 34...Current detection circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ２サイクルエンジンの排気口上縁位置を２つの
所定の位置のいずれかに変化させる排気時期調整
機構と、該排気時期調整機構を駆動するモータと
、エンジンの運転状態に応じて排気口上縁位置の
変更指令を発生する指令発生手段と、前記変更指
令に応じて前記モータに駆動電流を供給する電流
供給手段と、前記モータに流れる電流を検出する
電流検出手段とを含み、前記電流供給手段は前記
電流検出手段によつて検出された電流値が所定値
以上であるときには前記モータへの駆動電流供給
を停止することを特徴とする排気時期制御装置。 An exhaust timing adjustment mechanism that changes the position of the upper edge of the exhaust port of a two-cycle engine to one of two predetermined positions, a motor that drives the exhaust timing adjustment mechanism, and a change in the position of the upper edge of the exhaust port depending on the operating state of the engine. The current supply means includes a command generation means for generating a command, a current supply means for supplying a driving current to the motor in accordance with the change command, and a current detection means for detecting the current flowing through the motor, and the current supply means is configured to detect the current flowing through the motor. An exhaust timing control device, characterized in that the supply of drive current to the motor is stopped when the current value detected by the detection means is equal to or greater than a predetermined value.
JP1985110666U 1985-07-18 1985-07-18 Expired JPH0241307Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985110666U JPH0241307Y2 (en) 1985-07-18 1985-07-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985110666U JPH0241307Y2 (en) 1985-07-18 1985-07-18

Publications (2)

Publication Number Publication Date
JPS6218331U true JPS6218331U (en) 1987-02-03
JPH0241307Y2 JPH0241307Y2 (en) 1990-11-02

Family

ID=30989879

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985110666U Expired JPH0241307Y2 (en) 1985-07-18 1985-07-18

Country Status (1)

Country Link
JP (1) JPH0241307Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0231610U (en) * 1988-08-19 1990-02-28

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5762917A (en) * 1980-09-30 1982-04-16 Yamaha Motor Co Ltd Exhaust timing control device for 2-cycle engine
JPS587059U (en) * 1982-04-30 1983-01-18 松下電器産業株式会社 Combustion equipment fire extinguishing system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5762917A (en) * 1980-09-30 1982-04-16 Yamaha Motor Co Ltd Exhaust timing control device for 2-cycle engine
JPS587059U (en) * 1982-04-30 1983-01-18 松下電器産業株式会社 Combustion equipment fire extinguishing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0231610U (en) * 1988-08-19 1990-02-28

Also Published As

Publication number Publication date
JPH0241307Y2 (en) 1990-11-02

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