JPH0399833U - - Google Patents
Info
- Publication number
- JPH0399833U JPH0399833U JP746190U JP746190U JPH0399833U JP H0399833 U JPH0399833 U JP H0399833U JP 746190 U JP746190 U JP 746190U JP 746190 U JP746190 U JP 746190U JP H0399833 U JPH0399833 U JP H0399833U
- Authority
- JP
- Japan
- Prior art keywords
- center line
- intake port
- intake
- flow path
- upstream flow
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案吸気ポートの実施例の側断面図
、第２図は第１図の−矢視図、第３図は本考
案の作用を説明するための燃焼室回りの平面図、
第４図は第３図の−断面図、第５図は従来の
燃焼室回りの平面図、第６図は第５図の−断
面図、第７図は乱れ強度と火炎伝ぱ速度の関係を
示すグラフ、第８図は従来の吸気時の吸気ポート
シリンダ内流れを示す平面図、第９図は第８図の
−断面図である。
４……吸気弁、５……吸気ポート、６……排気
弁、９……吸気弁シート、ｌ……中心線。
FIG. 1 is a side sectional view of an embodiment of the intake port of the present invention, FIG. 2 is a view taken along the - arrow in FIG.
Figure 4 is a cross-sectional view of Figure 3, Figure 5 is a plan view of the conventional combustion chamber, Figure 6 is a cross-sectional view of Figure 5, and Figure 7 shows the relationship between turbulence intensity and flame propagation speed. The graph shown in FIG. 8 is a plan view showing the flow in the intake port cylinder during conventional intake, and FIG. 9 is a cross-sectional view taken along the line (-) in FIG. 8. 4...Intake valve, 5...Intake port, 6...Exhaust valve, 9...Intake valve seat, l...Center line.
Claims (1)
ートの上流側流路中心線が直線部を有し、かつそ
の上流側流路中心線が吸気弁シートの排気弁側の
シート部分と接するようにポートの形状を構成し
たことを特徴とする吸気ポート。 In a longitudinal section including the center line of the intake port, the upstream flow path center line of the intake port has a straight portion, and the upstream flow path center line touches the seat portion of the intake valve seat on the exhaust valve side. An intake port characterized by having a shape of the port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP746190U JPH0399833U (en) | 1990-01-31 | 1990-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP746190U JPH0399833U (en) | 1990-01-31 | 1990-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0399833U true JPH0399833U (en) | 1991-10-18 |
Family
ID=31511118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP746190U Pending JPH0399833U (en) | 1990-01-31 | 1990-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0399833U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0214427B2 (en) * | 1986-08-11 | 1990-04-09 | Shaapu Kk |
-
1990
- 1990-01-31 JP JP746190U patent/JPH0399833U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0214427B2 (en) * | 1986-08-11 | 1990-04-09 | Shaapu Kk |