JPS599120U - 2 cycle engine - Google Patents
2 cycle engineInfo
- Publication number
- JPS599120U JPS599120U JP10458382U JP10458382U JPS599120U JP S599120 U JPS599120 U JP S599120U JP 10458382 U JP10458382 U JP 10458382U JP 10458382 U JP10458382 U JP 10458382U JP S599120 U JPS599120 U JP S599120U
- Authority
- JP
- Japan
- Prior art keywords
- main
- combustion chamber
- sub
- cylinder
- piston
- 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
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
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
第１図乃至第３図は本考案の実施例を示し、第１図は強
請空冷２サイクル仝ンジンの縦断側面図、第２図は第１
図の■−■線断面図、第３図は別実施例を示す縦断正面
図であり、第４図は従来例を示す概略縦断面図である。
１・・・２サイクル機関、２・・・クランクケース、３
・・・主シリンダ、４・・・副シリンダ、８・・・主ピ
ストン、９・・・副ピストン、１０・・・主燃焼室、１
１・・・副燃焼室、１３・・・掃気ポート、１４・・・
吸気ポート、１７・・・主掃気路、１８・・・クランク
室、２１・・・副掃気路、２３・・・クランク軸、２６
・・・点火栓。Figures 1 to 3 show an embodiment of the present invention, Figure 1 is a longitudinal cross-sectional side view of a forced air-cooled two-stroke engine, and Figure 2 is a side view of a forced air-cooled two-stroke engine.
3 is a vertical sectional front view showing another embodiment, and FIG. 4 is a schematic vertical sectional view showing a conventional example. 1... 2-cycle engine, 2... crankcase, 3
...Main cylinder, 4...Sub-cylinder, 8...Main piston, 9...Sub-piston, 10...Main combustion chamber, 1
1... Sub-combustion chamber, 13... Scavenging port, 14...
Intake port, 17... Main scavenging air passage, 18... Crank chamber, 21... Sub-scavenging air passage, 23... Crankshaft, 26
...Spark plug.
Claims (1)
主シリンダ３と副シリンダ４を並設し、主シリンダ３に
主ピストン８を、副シリンダ４に副ピストン９−を摺動
自在に挿嵌し、クランクケース２内にクランク軸２３を
回転自在に枢支し、主ピストン８と副ピストン９とを等
速度同期作動するようにクランク軸２３に連動連結し、
クランクケース２内のクランク室１８に吸気ポート１４
を明け、クランク室１８を副シリンダ４内の副燃焼室１
１に副掃気路２１を介して連通し、クランク室１８を主
シリンダ３内の主燃焼室１０に主掃気路１７を介して連
通し、副燃焼室１１に点火栓２６を設け、副燃焼室１１
を主燃焼室１０に連通し、主燃焼室１０に排気ポート１
２を明け、副掃気ポート２１が開くタイミングを主掃気
ポート１３が開くタイミングよりも先行させた事を特徴
とする２サイクル機関。 ２ 実用新案登録請求の範囲第１項に記載した２サイク
ル機関において、副燃焼室１１の圧縮比を主燃焼室１０
の圧縮比よりも高く設定したもの。[Claims for Utility Model Registration] - A main cylinder 3 and a sub-cylinder 4 are arranged side by side on one side of the crankcase 2 of the 12-cycle engine 1, and the main cylinder 3 has a main piston 8, and the sub-cylinder 4 has a sub-piston 9-. is slidably inserted, a crankshaft 23 is rotatably supported in the crankcase 2, and the main piston 8 and the sub-piston 9 are interlocked and connected to the crankshaft 23 so as to operate synchronously at a constant speed.
Intake port 14 in crank chamber 18 inside crankcase 2
open the crank chamber 18 and insert it into the auxiliary combustion chamber 1 in the auxiliary cylinder 4.
1 through a sub-scavenging air passage 21, the crank chamber 18 is communicated with the main combustion chamber 10 in the main cylinder 3 via a main scavenging air passage 17, an ignition plug 26 is provided in the auxiliary combustion chamber 11, and the auxiliary combustion chamber 11
is connected to the main combustion chamber 10, and an exhaust port 1 is connected to the main combustion chamber 10.
2, the timing at which the sub-scavenging air port 21 opens is made earlier than the timing at which the main scavenging air port 13 opens. 2. In the two-stroke engine described in claim 1 of the utility model registration claim, the compression ratio of the auxiliary combustion chamber 11 is set to be lower than that of the main combustion chamber 10.
The compression ratio is set higher than that of .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10458382U JPS599120U (en) | 1982-07-09 | 1982-07-09 | 2 cycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10458382U JPS599120U (en) | 1982-07-09 | 1982-07-09 | 2 cycle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS599120U true JPS599120U (en) | 1984-01-20 |
Family
ID=30245503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10458382U Pending JPS599120U (en) | 1982-07-09 | 1982-07-09 | 2 cycle engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS599120U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4961504A (en) * | 1972-07-05 | 1974-06-14 |
-
1982
- 1982-07-09 JP JP10458382U patent/JPS599120U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4961504A (en) * | 1972-07-05 | 1974-06-14 |
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