JPH0246004U - - Google Patents
Info
- Publication number
- JPH0246004U JPH0246004U JP12471288U JP12471288U JPH0246004U JP H0246004 U JPH0246004 U JP H0246004U JP 12471288 U JP12471288 U JP 12471288U JP 12471288 U JP12471288 U JP 12471288U JP H0246004 U JPH0246004 U JP H0246004U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- line
- axis
- intake
- elliptical
- 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 description 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案による多気筒直列型エンジンの
シリンダヘツド下面図；第２図は第１図―線
に沿つたエンジンの縦断面図；第３図は吸・排気
ポートを、その中心を通る線がクランクシヤフト
長手軸に対し平行になるように配置し、シリンダ
ボアを短径方向に複数個並置せしめた、従来の部
分的シリンダヘツド下面図；第４図は吸・排気ポ
ートを、その中心線が楕円形シリンダボアの短径
方向に傾斜するように配置した一燃焼室上壁を示
す外観図；第５図は第４図に示す燃焼室上壁を有
する部分的シリンダヘツド下面図；第６図は第５
図―線に沿うシリンダヘツド断面図；第７図
は第５図―線に沿うシリンダヘツド断面図。
２……シリンダボア、２ａ……短径軸線、３…
…吸気ポート、４……排気ポート、５，６……カ
ムシヤフト、Ａ……クランクシヤフト軸線、Ｂ，
Ｃ……カムシヤフト軸線。
Fig. 1 is a bottom view of the cylinder head of a multi-cylinder in-line engine according to the present invention; Fig. 2 is a longitudinal sectional view of the engine along the line shown in Fig. 1; Fig. 3 shows the intake and exhaust ports passing through their centers. A conventional partial cylinder head bottom view in which the lines are arranged parallel to the longitudinal axis of the crankshaft and multiple cylinder bores are arranged side by side in the short diameter direction; Figure 4 shows the intake and exhaust ports along their center lines. Fig. 5 is a bottom view of a partial cylinder head having the combustion chamber upper wall shown in Fig. 4; is the fifth
FIG. 7 is a sectional view of the cylinder head taken along the line of FIG. 5; FIG. 2...Cylinder bore, 2a...Short diameter axis, 3...
...Intake port, 4...Exhaust port, 5, 6...Camshaft, A...Crankshaft axis, B,
C...Camshaft axis line.
Claims (1)
ある多気筒直列型エンジンにおいて、 各気筒に開口する吸排気ポートを、各吸気ポー
ト中心を結ぶ線、及び各排気ポート中心を結ぶ線
が夫々、カムシヤフトの軸線に対し平行になるよ
うに上記各楕円のシリンダボアを、その短径軸線
がクランクシヤフト軸線に対し所定角度傾斜する
ように形成せしめたことを特徴とする多気筒直列
型エンジン。[Scope of claim for utility model registration] In a multi-cylinder in-line engine in which the cylinder bore and piston have an elliptical cross-sectional shape, the intake and exhaust ports opening to each cylinder are connected by a line connecting the centers of each intake port and the center of each exhaust port. A multi-cylinder in-line engine characterized in that each of the elliptical cylinder bores is formed so that each line is parallel to the axis of the camshaft, and the minor axis of the cylinder bore is inclined at a predetermined angle with respect to the axis of the crankshaft. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12471288U JPH073001Y2 (en) | 1988-09-26 | 1988-09-26 | Multi-cylinder inline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12471288U JPH073001Y2 (en) | 1988-09-26 | 1988-09-26 | Multi-cylinder inline engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0246004U true JPH0246004U (en) | 1990-03-29 |
| JPH073001Y2 JPH073001Y2 (en) | 1995-01-30 |
Family
ID=31374685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12471288U Expired - Lifetime JPH073001Y2 (en) | 1988-09-26 | 1988-09-26 | Multi-cylinder inline engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH073001Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05296039A (en) * | 1992-04-20 | 1993-11-09 | Kawasaki Heavy Ind Ltd | Four-cycle engine |
| ITVA20130022A1 (en) * | 2013-04-26 | 2014-10-27 | Remigio Benelli | LONGER PERFORMED PISTONS OF THE CIRCULAR PISTON, FOR ALTERNATIVE MOTORS AND OTHER APPLICATIONS |
-
1988
- 1988-09-26 JP JP12471288U patent/JPH073001Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05296039A (en) * | 1992-04-20 | 1993-11-09 | Kawasaki Heavy Ind Ltd | Four-cycle engine |
| ITVA20130022A1 (en) * | 2013-04-26 | 2014-10-27 | Remigio Benelli | LONGER PERFORMED PISTONS OF THE CIRCULAR PISTON, FOR ALTERNATIVE MOTORS AND OTHER APPLICATIONS |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH073001Y2 (en) | 1995-01-30 |
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