JPS6182032U - - Google Patents
Info
- Publication number
- JPS6182032U JPS6182032U JP16564084U JP16564084U JPS6182032U JP S6182032 U JPS6182032 U JP S6182032U JP 16564084 U JP16564084 U JP 16564084U JP 16564084 U JP16564084 U JP 16564084U JP S6182032 U JPS6182032 U JP S6182032U
- Authority
- JP
- Japan
- Prior art keywords
- scavenging port
- port
- scavenging
- combustion engine
- internal combustion
- 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
- 230000002000 scavenging effect Effects 0.000 claims description 13
- 238000002485 combustion reaction Methods 0.000 claims 2
- 230000004323 axial length Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図ａは本考案による第１実施例の掃気ポー
トの形状を示す説明図、第１図ｂは第１図ａのＡ
−Ａ矢視断面図、第１図ｃは第１図ａのＢ−Ｂ矢
視断面図、第２図ａは本考案による第２実施例の
掃気ポートの形状を示す説明図、第２図ｂは第２
図ａのＡ−Ａ矢視断面図、第２図ｃは第２図ａの
Ｃ−Ｃ矢視断面図、第３図は掃気ポート高さ比と
掃気ポート入射角度との関係を示す線図、第４図
は掃気ポート高さ比と掃気ポート開口率との関係
を示す線図である。
ｈ…掃気ポート下縁からの高さ、Ｈ…掃気ポー
トの全高、θ１，θ２…入射角。
Figure 1a is an explanatory diagram showing the shape of the scavenging port of the first embodiment of the present invention, and Figure 1b is A of Figure 1a.
-A sectional view taken along arrow A; FIG. 1c is a sectional view taken along line B-B of FIG. 1a; FIG. b is the second
Figure 2c is a sectional view taken along line A-A in Figure a, Figure 2c is a sectional view taken along line C-C in Figure 2a, and Figure 3 is a diagram showing the relationship between scavenging port height ratio and scavenging port incidence angle. , FIG. 4 is a diagram showing the relationship between the scavenging port height ratio and the scavenging port opening ratio. h: Height from the lower edge of the scavenging port, H: Total height of the scavenging port, θ 1 , θ 2 : Incident angle.
Claims (1)
トを有する内燃機関において、ｈを掃気ポートの
下縁からの軸方向長さとし、Ｈを掃気ポートの全
高とすると、掃気ポート高さ比ｈ／Ｈに対して掃
気ポートり入射角度θ及び有効開口率Ｅが、 ｈ／Ｈ％ 入射角度θ 有効開口
率Ｅ％ ０ ０°〜７° − ２３ − ７４．５〜
７６．５ ５０ ８°〜１９．５° ７１．０〜
７５．０ ９０ ２８°〜４３° ５３〜
６４ のように構成されたことを特徴とする内燃機関の
掃気ポート。[Scope of Claim for Utility Model Registration] In an internal combustion engine having a scavenging port twisted around the cylinder axis, where h is the axial length from the lower edge of the scavenging port and H is the total height of the scavenging port, the scavenging air The scavenging port incidence angle θ and effective aperture ratio E are as follows with respect to the port height ratio h/H: h/H% Incident angle θ Effective aperture ratio E% 0 0°~7° - 23 - 74.5~
76.5 50 8°~19.5° 71.0~
75.0 90 28°～43° 53～
64. A scavenging port for an internal combustion engine, characterized in that it is configured as shown in FIG.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984165640U JPH0248674Y2 (en) | 1984-11-02 | 1984-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984165640U JPH0248674Y2 (en) | 1984-11-02 | 1984-11-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6182032U true JPS6182032U (en) | 1986-05-30 |
| JPH0248674Y2 JPH0248674Y2 (en) | 1990-12-20 |
Family
ID=30723480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984165640U Expired JPH0248674Y2 (en) | 1984-11-02 | 1984-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0248674Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59135323U (en) * | 1983-02-28 | 1984-09-10 | 株式会社三五 | air guide tube |
-
1984
- 1984-11-02 JP JP1984165640U patent/JPH0248674Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59135323U (en) * | 1983-02-28 | 1984-09-10 | 株式会社三五 | air guide tube |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0248674Y2 (en) | 1990-12-20 |
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