JPS59165927U - Intake port structure of direct injection diesel engine - Google Patents
Intake port structure of direct injection diesel engineInfo
- Publication number
- JPS59165927U JPS59165927U JP6173183U JP6173183U JPS59165927U JP S59165927 U JPS59165927 U JP S59165927U JP 6173183 U JP6173183 U JP 6173183U JP 6173183 U JP6173183 U JP 6173183U JP S59165927 U JPS59165927 U JP S59165927U
- Authority
- JP
- Japan
- Prior art keywords
- intake port
- intake
- diesel engine
- direct injection
- vortex
- 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
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例における吸気ポート構造（吸
気通路）の概略外観図、第２図は第１図の■−■線（第
３図の■−■線に対応）における矢視断面図、第３図は
第２図の■−■線における矢視断面図、第４図は第３図
のＩＶ−ＩＶ線における断面−図、第５図は第３図の■
−■線における断面図、第６図は上記実施例に係る平均
流量係数と平均スワール比との関係を実す特性図である
。
５；吸気ポート、６；渦室部、７；流れガイド部、８；
絞り部、８′ ；最大突出位置。Fig. 1 is a schematic external view of the intake port structure (intake passage) in one embodiment of the present invention, and Fig. 2 is a view taken along the line ■-■ in Fig. 1 (corresponding to the line ■-■ in Fig. 3). 3 is a cross-sectional view taken along the line ■--■ in FIG. 2, FIG. 4 is a cross-sectional view taken along the line IV--IV in FIG. 3, and FIG.
The cross-sectional view taken along the -■ line and FIG. 6 are characteristic diagrams showing the relationship between the average flow coefficient and the average swirl ratio according to the above embodiment. 5; Intake port, 6; Vortex chamber part, 7; Flow guide part, 8;
Squeezed part, 8': Maximum protrusion position.
Claims (1)
の渦流中心とするように形成した渦室部、上記吸気ポー
ト内に突設され上記渦室部を流動する吸気流の渦流を助
長する流れガイド部、および同流れガイド部下流の上記
渦室部に形成され上記流れガイド部を通過した吸気流の
流量を絞る絞り部を具備し、同絞り部を通過した吸気の
スワール回転数と流量との比を高めるように構成したこ
とを特徴とする直噴式ディーゼル機関の吸気ポート構造
。A vortex chamber is formed in the intake port near the back of the intake valve so that the axis of the intake valve is approximately centered on the vortex of the intake air, and a vortex chamber is provided protruding within the intake port to promote the vortex of the intake air flowing through the vortex chamber. and a constriction part that is formed in the swirl chamber downstream of the flow guide part and throttles the flow rate of the intake air that has passed through the flow guide part, and the swirl rotational speed of the intake air that has passed through the constriction part and An intake port structure for a direct injection diesel engine characterized by being configured to increase the ratio to the flow rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6173183U JPS59165927U (en) | 1983-04-25 | 1983-04-25 | Intake port structure of direct injection diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6173183U JPS59165927U (en) | 1983-04-25 | 1983-04-25 | Intake port structure of direct injection diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59165927U true JPS59165927U (en) | 1984-11-07 |
Family
ID=30191948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6173183U Pending JPS59165927U (en) | 1983-04-25 | 1983-04-25 | Intake port structure of direct injection diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59165927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015063958A (en) * | 2013-09-25 | 2015-04-09 | 株式会社クボタ | Intake device of engine |
-
1983
- 1983-04-25 JP JP6173183U patent/JPS59165927U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015063958A (en) * | 2013-09-25 | 2015-04-09 | 株式会社クボタ | Intake device of engine |
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