JPH03127032U - - Google Patents
Info
- Publication number
- JPH03127032U JPH03127032U JP3662990U JP3662990U JPH03127032U JP H03127032 U JPH03127032 U JP H03127032U JP 3662990 U JP3662990 U JP 3662990U JP 3662990 U JP3662990 U JP 3662990U JP H03127032 U JPH03127032 U JP H03127032U
- Authority
- JP
- Japan
- Prior art keywords
- intake hole
- air
- sucked
- dead center
- hole
- 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 6
- 239000000446 fuel Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１〜４図は本考案に係わるもので、第１図は
実施例の要部断面図、第２図は第１図の−断
面図、第３図は同作用説明図、第４図は吸気と掃
気の流れを示す図、第５〜７図は従来例で、第５
図は第１図応当図、第６図は第４図応当図、第７
図は掃気通路を含むエンジンの縦断面図である。
７……第１の吸気孔、８……排気孔、１０３…
…第２の吸気孔、１０４ａ……切欠部、１０４ｂ
……開孔部、１０５，１０６……掃気通路、１０
７，１０８……掃気孔。
1 to 4 are related to the present invention; FIG. 1 is a sectional view of the main part of the embodiment, FIG. Figures 5 to 7, which show the flow of intake air and scavenging air, are conventional examples;
Figure 1 is the corresponding diagram, Figure 6 is the corresponding diagram of Figure 4, and Figure 7 is the corresponding diagram.
The figure is a longitudinal sectional view of the engine including a scavenging passage. 7...First intake hole, 8...Exhaust hole, 103...
...Second intake hole, 104a...Notch, 104b
...Opening part, 105, 106...Scavenging passage, 10
7,108...Scavenging hole.
Claims (1)
気のみが吸入される第２の吸入孔１０３を設け、
それらの吹出し方向を第１の吸気孔７を下向きに
、第２の吸気孔１０３を上向きに設けると共に、
ピストンスカート部に設けられた切欠き１０４ａ
を上記第２の吸気孔１０３と上死点付近で会合さ
せ、さらに複数に分割して設けられた掃気通路１
０５，１０６のうち排気孔８に近い側にある掃気
通路１０５を下死点付近でピストン３のスカート
に設けた開孔部１０４ｂに連通せしめるようにし
た２サイクルエンジン。 A second intake hole 103 through which only air is sucked is provided in parallel with the first intake hole 7 through which the air-fuel mixture is sucked,
The first air intake hole 7 is provided downward and the second air intake hole 103 is provided upward.
Notch 104a provided in the piston skirt portion
The scavenging passage 1 is made to meet the second intake hole 103 near the top dead center, and is further divided into a plurality of parts.
A two-stroke engine in which a scavenging passage 105 on the side closer to the exhaust hole 8 of 05, 106 is communicated with an opening 104b provided in the skirt of the piston 3 near the bottom dead center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3662990U JPH03127032U (en) | 1990-04-06 | 1990-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3662990U JPH03127032U (en) | 1990-04-06 | 1990-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03127032U true JPH03127032U (en) | 1991-12-20 |
Family
ID=31543027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3662990U Pending JPH03127032U (en) | 1990-04-06 | 1990-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03127032U (en) |
-
1990
- 1990-04-06 JP JP3662990U patent/JPH03127032U/ja active Pending