JPS63130631U - - Google Patents
Info
- Publication number
- JPS63130631U JPS63130631U JP2136887U JP2136887U JPS63130631U JP S63130631 U JPS63130631 U JP S63130631U JP 2136887 U JP2136887 U JP 2136887U JP 2136887 U JP2136887 U JP 2136887U JP S63130631 U JPS63130631 U JP S63130631U
- Authority
- JP
- Japan
- Prior art keywords
- supercharger
- fresh air
- valve
- air supply
- bypass
- 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 4
- 238000010586 diagram Methods 0.000 description 5
- 238000013517 stratification Methods 0.000 description 1
Landscapes
- Supercharger (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Description
第１図は本考案を適用した６気筒の２サイクル
内燃機関を示す図、第２図は第１図の１気筒の燃
焼室の近傍を示す図、第３図は第２図の新気弁と
排気弁を通る垂直断面図、第４図は第１図の過給
機の近傍を詳細に示す図、第５図はバイパス弁の
制御例を示すフローチヤート、第６図はバルブタ
イミングを示す図、第７図は低負荷時の成層化を
説明する説明図である。
１４……シリンダヘツド、１６……ピストン、
１８……燃焼室、２０……新気ポート、２２……
排気ポート、２４……新気弁、２６……排気弁、
４０……スロツトル弁、４２……過給機、４５…
…バイパス通路、４６……バイパス制御弁、５６
……マスク。
Figure 1 is a diagram showing a six-cylinder two-stroke internal combustion engine to which the present invention is applied, Figure 2 is a diagram showing the vicinity of the combustion chamber of one cylinder in Figure 1, and Figure 3 is a diagram showing the fresh air valve in Figure 2. 4 is a detailed view of the vicinity of the supercharger in FIG. 1, FIG. 5 is a flowchart showing an example of bypass valve control, and FIG. 6 is a diagram showing valve timing. 7 are explanatory diagrams illustrating stratification during low load. 14...Cylinder head, 16...Piston,
18... Combustion chamber, 20... Fresh air port, 22...
Exhaust port, 24...fresh air valve, 26...exhaust valve,
40...throttle valve, 42...supercharger, 45...
...Bypass passage, 46...Bypass control valve, 56
……mask.
Claims (1)
新気供給通路にスロツトル弁と過給機とを備え、
そして、該過給機をバイパスしてスロツトル弁と
過給機の間及び過給機の下流の位置で前記新気供
給通路に連結されるバイパス通路を設け、このバ
イパス通路にバイパス制御弁を設け、該バイパス
制御弁をスロツトル弁と過給機の間の新気供給通
路の圧力に応じて開閉作動させるようにしたこと
を特徴とする２サイクル内燃機関。 The cylinder head is equipped with a fresh air valve and an exhaust valve, and the fresh air supply passage is equipped with a throttle valve and a supercharger,
A bypass passage is provided that bypasses the supercharger and is connected to the fresh air supply passage between the throttle valve and the supercharger and at a position downstream of the supercharger, and a bypass control valve is provided in the bypass passage. A two-stroke internal combustion engine, characterized in that the bypass control valve is opened and closed in response to pressure in a fresh air supply passage between a throttle valve and a supercharger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987021368U JPH0513954Y2 (en) | 1987-02-18 | 1987-02-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987021368U JPH0513954Y2 (en) | 1987-02-18 | 1987-02-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63130631U true JPS63130631U (en) | 1988-08-26 |
| JPH0513954Y2 JPH0513954Y2 (en) | 1993-04-14 |
Family
ID=30817749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987021368U Expired - Lifetime JPH0513954Y2 (en) | 1987-02-18 | 1987-02-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0513954Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS605770A (en) * | 1983-06-22 | 1985-01-12 | Hitachi Ltd | Gate drive circuit of photothyristor |
| JPS6119935A (en) * | 1984-07-06 | 1986-01-28 | Toyota Motor Corp | Supercharger bypass control valve in internal-combustion engine |
-
1987
- 1987-02-18 JP JP1987021368U patent/JPH0513954Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS605770A (en) * | 1983-06-22 | 1985-01-12 | Hitachi Ltd | Gate drive circuit of photothyristor |
| JPS6119935A (en) * | 1984-07-06 | 1986-01-28 | Toyota Motor Corp | Supercharger bypass control valve in internal-combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0513954Y2 (en) | 1993-04-14 |