JPH02126033U - - Google Patents
Info
- Publication number
- JPH02126033U JPH02126033U JP3329089U JP3329089U JPH02126033U JP H02126033 U JPH02126033 U JP H02126033U JP 3329089 U JP3329089 U JP 3329089U JP 3329089 U JP3329089 U JP 3329089U JP H02126033 U JPH02126033 U JP H02126033U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust valve
- internal combustion
- combustion engine
- stroke internal
- valve
- 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
Links
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は２サイクル内燃機関の全体図、第２図
はシリンダヘツドの底面図、第３図はエアブラス
ト弁の拡大側面断面図、第４図は給排気弁の開弁
期間、エアブラスト弁の開弁期間等を示す線図、
第５図は給排気弁の弁リフト曲線を示す線図、第
６図は排気弁の動弁機構の側面断面図、第７図は
アクチユエータを制御するためのフローチヤート
、第８図はアクチユエータを作動すべき運転状態
を示す線図である。
５……給気弁、７ａ……第１の排気弁、７ｂ…
第２の排気弁、９……エアブラスト弁、５２……
第１の排気弁作動停止装置。
Figure 1 is an overall view of a two-stroke internal combustion engine, Figure 2 is a bottom view of the cylinder head, Figure 3 is an enlarged side sectional view of the air blast valve, Figure 4 is the opening period of the supply and exhaust valve, and the air blast valve. A diagram showing the valve opening period, etc. of
Fig. 5 is a diagram showing the valve lift curve of the supply and exhaust valve, Fig. 6 is a side sectional view of the valve operating mechanism of the exhaust valve, Fig. 7 is a flowchart for controlling the actuator, and Fig. 8 is a diagram showing the actuator. FIG. 3 is a diagram showing the operating state to be operated. 5... Air supply valve, 7a... First exhaust valve, 7b...
Second exhaust valve, 9... Air blast valve, 52...
A first exhaust valve operation stop device.
Claims (1)
、該第１排気弁よりも後で開弁しかつ第１の排気
弁よりも先に閉弁する第２の排気弁とを具備し、
更に機関低速運転時に第１の排気弁の開閉動作を
停止させて第１の排気弁を閉弁状態に保持する第
１の排気弁作動停止装置とを具備した２サイクル
内燃機関の排気弁制御装置。 A two-stroke internal combustion engine, comprising a first exhaust valve and a second exhaust valve that opens after the first exhaust valve and closes before the first exhaust valve,
An exhaust valve control device for a two-stroke internal combustion engine, further comprising a first exhaust valve operation stop device that stops the opening and closing operation of the first exhaust valve and maintains the first exhaust valve in a closed state when the engine is operating at low speed. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989033290U JPH0717782Y2 (en) | 1989-03-27 | 1989-03-27 | Exhaust valve control device for two-cycle internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989033290U JPH0717782Y2 (en) | 1989-03-27 | 1989-03-27 | Exhaust valve control device for two-cycle internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02126033U true JPH02126033U (en) | 1990-10-17 |
| JPH0717782Y2 JPH0717782Y2 (en) | 1995-04-26 |
Family
ID=31536842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989033290U Expired - Lifetime JPH0717782Y2 (en) | 1989-03-27 | 1989-03-27 | Exhaust valve control device for two-cycle internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0717782Y2 (en) |
-
1989
- 1989-03-27 JP JP1989033290U patent/JPH0717782Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0717782Y2 (en) | 1995-04-26 |