JPS63136255U - - Google Patents
Info
- Publication number
- JPS63136255U JPS63136255U JP2779087U JP2779087U JPS63136255U JP S63136255 U JPS63136255 U JP S63136255U JP 2779087 U JP2779087 U JP 2779087U JP 2779087 U JP2779087 U JP 2779087U JP S63136255 U JPS63136255 U JP S63136255U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- passage
- spark
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図はこの考案に係る火花点火式内燃機関の
吸気通路構造の第一実施例を一部断面して示す平
面図、第２図Ａは第１図の―線断面図、第２
図Ｂは第１図の―線断面図、第３図は第１図
の―線断面図、第４図はこの実施例における
混合気流動状態を示す一部平断面図、第５図、第
６図は本考案の第二実施例を示す図であり、第５
図は第１図の―線断面図、第６図は混合気流
動状態を示す一部平断面図、第７図Ａは本考案の
第三実施例を示す吸気通路構造の一部平断面図、
同図Ｂは第７図Ａの―線断面図、第８図Ａは
本考案の第四実施例を示す吸気通路構造の一部平
断面図、同図Ｂイ，ロ，ハは第８図ＡのＡ―Ａ線
、Ｂ―Ｂ線、Ｃ―Ｃ線の各断面図、第９図は３バ
ルブ方式の内燃機関に適用された従来の吸気通路
構造の一部を示す断面図、第１０図は従来の吸気
マニホルドを示す斜視図、第１１図は従来の吸気
通路構造による混合気の流動状態を示す一部平断
面図である。
６，６′，６″……吸気ポート、６ａ，６ｂ，
６ｂ′，６ｂ″……分岐ポート、１３，１３′，
１３″……点火栓、１４，１４′，１４″……吸
気マニホルド、１５……ライザ部、１６……湾曲
通路、１７，１７′，１７″……分岐通路、２１
，２２，２２′，２２″，２３……凹溝。
FIG. 1 is a partially sectional plan view showing a first embodiment of the intake passage structure of a spark-ignition internal combustion engine according to this invention; FIG.
Figure B is a cross-sectional view taken along the line - - in Figure 1, Figure 3 is a cross-sectional view taken along the line - - in Figure 1, Figure 4 is a partial plan cross-sectional view showing the air-fuel mixture flow state in this embodiment, Figures 5 and 3 are FIG. 6 is a diagram showing the second embodiment of the present invention.
The figure is a sectional view taken along the line -- in Fig. 1, Fig. 6 is a partial plan sectional view showing the flow state of the air-fuel mixture, and Fig. 7A is a partial plan sectional view of the intake passage structure showing the third embodiment of the present invention. ,
8A is a partial plan sectional view of the intake passage structure showing the fourth embodiment of the present invention; FIG. 9 is a cross-sectional view showing a part of a conventional intake passage structure applied to a three-valve internal combustion engine; FIG. The figure is a perspective view showing a conventional intake manifold, and FIG. 11 is a partial plan cross-sectional view showing the flow state of the air-fuel mixture due to the conventional intake passage structure. 6, 6', 6''...Intake port, 6a, 6b,
6b', 6b''...Branch port, 13, 13',
13''... Spark plug, 14, 14', 14''... Intake manifold, 15... Riser section, 16... Curved passage, 17, 17', 17''... Branch passage, 21
, 22, 22', 22'', 23...concave groove.
Claims (1)
を有する吸気マニホルドと、シリンダヘツド内に
形成され、かつ上記分岐通路が接続される吸気ポ
ートとを備えた火花点火式内燃機関の吸気通路構
造において、少なくとも上記分岐通路の点火栓側
とは反対側の内壁面に、液状燃料案内用の凹溝を
形成したことを特徴とする火花点火式内燃機関の
吸気通路構造。 An intake passage structure for a spark ignition internal combustion engine, comprising an intake manifold having a branch passage downstream of a curved passage connected to a riser part, and an intake port formed in a cylinder head and to which the branch passage is connected, An intake passage structure for a spark-ignition internal combustion engine, characterized in that a groove for guiding liquid fuel is formed at least on an inner wall surface of the branch passage on the side opposite to the spark plug side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2779087U JPH0614059Y2 (en) | 1987-02-26 | 1987-02-26 | Intake passage structure of spark ignition internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2779087U JPH0614059Y2 (en) | 1987-02-26 | 1987-02-26 | Intake passage structure of spark ignition internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63136255U true JPS63136255U (en) | 1988-09-07 |
| JPH0614059Y2 JPH0614059Y2 (en) | 1994-04-13 |
Family
ID=30830152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2779087U Expired - Lifetime JPH0614059Y2 (en) | 1987-02-26 | 1987-02-26 | Intake passage structure of spark ignition internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0614059Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013139746A (en) * | 2012-01-04 | 2013-07-18 | Toyota Motor Corp | Intake pipe structure of internal combustion engine |
-
1987
- 1987-02-26 JP JP2779087U patent/JPH0614059Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013139746A (en) * | 2012-01-04 | 2013-07-18 | Toyota Motor Corp | Intake pipe structure of internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0614059Y2 (en) | 1994-04-13 |
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