JPS63126520U - - Google Patents
Info
- Publication number
- JPS63126520U JPS63126520U JP1833987U JP1833987U JPS63126520U JP S63126520 U JPS63126520 U JP S63126520U JP 1833987 U JP1833987 U JP 1833987U JP 1833987 U JP1833987 U JP 1833987U JP S63126520 U JPS63126520 U JP S63126520U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- crankcase
- stroke engine
- exhaust hole
- scavenging 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.)
- Pending
Links
- 230000002000 scavenging effect Effects 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 2
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１，２図は本考案の第１実施例としての２サ
イクルエンジンを示すもので、第１図はその縦断
面図、第２図ａはそのピストンおよび掃気弁の縦
断面図、第２図ｂは第２図ａのｂ矢視図、第２
図ｃは第２図ｂのｃ―ｃ矢視断面図であり、
第３図は本考案の第２実施例としての２サイクル
エンジンを示すピストンおよび掃気弁の縦断面図
であり、第４図は従来の２サイクルエンジンを示
す縦断面図である。
１…クランクケース、２…シリンダ壁、３…シ
リンダヘツド、４…ピストン、４ａ…穴部、５…
クランクロツド、６…クランクシヤフト、７…燃
焼室、１０…点火プラグ、１１，１２…クランク
ピン、２１…給気孔、２２…排気孔、２３…掃気
孔、３０，３０′…掃気弁、３０ａ…上面部、３
０ｂ…側面部、３１…窓、３２…つば、３３…つ
ば状段部、３４…段部、３５…ヒンジ。
Figures 1 and 2 show a two-stroke engine as a first embodiment of the present invention; Figure 1 is a longitudinal sectional view thereof, Figure 2a is a longitudinal sectional view of its piston and scavenge valve, and Figure 2 b is a view from arrow b in Figure 2a,
Figure c is a sectional view taken along line CC in Figure 2b;
FIG. 3 is a longitudinal sectional view of a piston and scavenging valve showing a two-stroke engine as a second embodiment of the present invention, and FIG. 4 is a longitudinal sectional view of a conventional two-stroke engine. DESCRIPTION OF SYMBOLS 1... Crank case, 2... Cylinder wall, 3... Cylinder head, 4... Piston, 4a... Hole, 5...
Crank rod, 6... Crankshaft, 7... Combustion chamber, 10... Spark plug, 11, 12... Crank pin, 21... Air supply hole, 22... Exhaust hole, 23... Scavenging hole, 30, 30'... Scavenging valve, 30a... Top surface Part, 3
0b...Side part, 31...Window, 32...Brim, 33...Brim-shaped step, 34...Step, 35...Hinge.
Claims (1)
圧縮するように構成された２サイクルエンジンに
おいて、上記ピストンを嵌装されたシリンダの壁
部に排気孔をそなえ、上記ピストンの頂部に、そ
の上下動に伴う慣性力と、燃焼室内の圧力とクラ
ンクケース内の圧力との差圧による力とのバラン
スにより、自動的に開閉する掃気弁が設けられて
、同掃気弁に上記クランクケース内部が連通する
ように構成されたことを特徴とする、２サイクル
エンジン。 In a two-stroke engine configured to compress air supply in the crankcase when the piston descends, an exhaust hole is provided in the wall of the cylinder in which the piston is fitted, and an exhaust hole is provided in the top of the piston to prevent the piston from moving up and down. A scavenging valve that automatically opens and closes due to the balance between the accompanying inertial force and the force due to the pressure difference between the pressure inside the combustion chamber and the pressure inside the crankcase is provided, and the inside of the crankcase is communicated with the scavenging valve. A two-stroke engine characterized by being configured as follows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1833987U JPS63126520U (en) | 1987-02-10 | 1987-02-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1833987U JPS63126520U (en) | 1987-02-10 | 1987-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63126520U true JPS63126520U (en) | 1988-08-18 |
Family
ID=30811923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1833987U Pending JPS63126520U (en) | 1987-02-10 | 1987-02-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63126520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012202403A (en) * | 2011-03-23 | 2012-10-22 | Waertsilae Schweiz Ag | Cylinder structure and piston for longitudinally flushed stroke piston internal combustion engine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5820386A (en) * | 1981-02-16 | 1983-02-05 | Seiroku Sasauchi | Friction pressure welding device for metallic pipe |
-
1987
- 1987-02-10 JP JP1833987U patent/JPS63126520U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5820386A (en) * | 1981-02-16 | 1983-02-05 | Seiroku Sasauchi | Friction pressure welding device for metallic pipe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012202403A (en) * | 2011-03-23 | 2012-10-22 | Waertsilae Schweiz Ag | Cylinder structure and piston for longitudinally flushed stroke piston internal combustion engine |
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