JPS628326U - - Google Patents
Info
- Publication number
- JPS628326U JPS628326U JP9946585U JP9946585U JPS628326U JP S628326 U JPS628326 U JP S628326U JP 9946585 U JP9946585 U JP 9946585U JP 9946585 U JP9946585 U JP 9946585U JP S628326 U JPS628326 U JP S628326U
- Authority
- JP
- Japan
- Prior art keywords
- rotating member
- adjustment mechanism
- timing adjustment
- exhaust timing
- 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.)
- Pending
Links
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Description
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
第2図における―断面図、第4図は第2図に
おける―断面図、第5図は第2図における
―断面図、第6図aはアクチユエータの構成を
示す側面図、第6図bはアクチユエータの構成を
示す平面図、第7図は制御回路の構成を示すブロ
ツク図、第8図は回転数判別回路の具体的構成を
示す回路図、第9図は第8図に示した回路の動作
を示す波形図、第10図は駆動回路の具体的構成
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、30……回転部材、31……係合
ピン、33……揺動アーム、36,37……位置
センサ、44……制御回路。
Fig. 1 is a configuration diagram showing an embodiment of the present invention, Fig. 2 is a sectional view showing the exhaust timing adjustment mechanism, Fig. 3 is a sectional view in Fig. 2, and Fig. 4 is a sectional view in Fig. 2. Figure 5 is a sectional view of Figure 2, Figure 6a is a side view showing the configuration of the actuator, Figure 6b is a plan view showing the configuration of the actuator, and Figure 7 is the configuration of the control circuit. Block diagram, Fig. 8 is a circuit diagram showing the specific configuration of the rotation speed discrimination circuit, Fig. 9 is a waveform diagram showing the operation of the circuit shown in Fig. 8, and Fig. 10 shows the specific configuration of the drive circuit. It is a circuit diagram. Explanation of symbols of main parts, 1...Engine body,
4...Exhaust port, 13...Flap valve, 15...
... Slide valve, 21 ... Actuator, 2
4... Motor, 30... Rotating member, 31... Engagement pin, 33... Swinging arm, 36, 37... Position sensor, 44... Control circuit.
Claims (1)
せるために排気口に設けられた排気時期調整機構
と、該排気時期調整機構を駆動するアクチユエー
タとを含み、前記アクチユエータは回転駆動源と
、前記回転駆動源によつて回転せしめられる回転
部材と、前記回転部材の偏心位置に植設された係
合ピンと、前記係合ピンに自由端にて係合して前
記回転部材の回動に応じて揺動する揺動アームと
、前記揺動アームの揺動運動を前記排気時期調整
機構に伝達してこれを駆動する連結機構とからな
ることを特徴とする排気時期制御装置。 The two-cycle engine includes an exhaust timing adjustment mechanism provided at the exhaust port to change the position of the upper edge of the exhaust port, and an actuator that drives the exhaust timing adjustment mechanism, and the actuator includes a rotational drive source and the rotational drive source. a rotating member rotated by the rotating member, an engaging pin implanted at an eccentric position of the rotating member, and a free end of the rotating member engages with the engaging pin and swings in response to rotation of the rotating member. An exhaust timing control device comprising a swinging arm and a coupling mechanism that transmits the swinging motion of the swinging arm to the exhaust timing adjustment mechanism to drive the exhaust timing adjustment mechanism.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9946585U JPS628326U (en) | 1985-06-28 | 1985-06-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9946585U JPS628326U (en) | 1985-06-28 | 1985-06-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS628326U true JPS628326U (en) | 1987-01-19 |
Family
ID=30968362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9946585U Pending JPS628326U (en) | 1985-06-28 | 1985-06-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS628326U (en) |
-
1985
- 1985-06-28 JP JP9946585U patent/JPS628326U/ja active Pending