JPS61192514U - - Google Patents
Info
- Publication number
- JPS61192514U JPS61192514U JP1985073558U JP7355885U JPS61192514U JP S61192514 U JPS61192514 U JP S61192514U JP 1985073558 U JP1985073558 U JP 1985073558U JP 7355885 U JP7355885 U JP 7355885U JP S61192514 U JPS61192514 U JP S61192514U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- passages
- exhaust passages
- cylinder engine
- converge
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Description
第１図は本考案に係る多気筒エンジンの排気マ
ニホルドの一実施例を図示した縦断側面図、第２
図はその斜視図、第３図は、その排気マニホルド
の排気通路やボスを点線で図示した正面図、第４
図は第３図の―線に沿つて截断した縦断側面
図、第５図および第６図は第３図の―線およ
び―線に沿つて截断した横断面図、第７図は
第４図の―線に沿つて截断した横断面図であ
る。
１…シリンダブロツク、２…シリンダ、３…シ
リンダヘツド、４…排気口、５…排気ポート、６
…排気弁、７…下流端開口、１０…排気マニホル
ド、１１…排気通路、１２…分岐上流部、１３…
分岐下流部、１４…仕切壁、１５…端縁、１６…
合流部、１７…分岐部周壁、１８…連通孔、１９
…Ｏ２センサー取付孔、２０…排気ガス取出孔、
２１…２次空気導入孔、２２…上部フランジ、２
３…ボルト孔、２４…ボルト、２５…下部フラン
ンジ、２６…ボス、２７…ボルト、２８…ステー
、２９…上部、３０…下部、３１…ボルト。
FIG. 1 is a vertical side view illustrating an embodiment of the exhaust manifold for a multi-cylinder engine according to the present invention;
The figure is a perspective view, the third figure is a front view showing the exhaust passage and boss of the exhaust manifold with dotted lines, and the fourth figure is a front view showing the exhaust passage and boss of the exhaust manifold with dotted lines.
The figure is a vertical cross-sectional side view taken along the line - of Fig. 3, Figs. 5 and 6 are cross-sectional views taken along the - line and - line of Fig. 3, and Fig. 7 is a cross-sectional view taken along the - line of Fig. 4. FIG. 1... Cylinder block, 2... Cylinder, 3... Cylinder head, 4... Exhaust port, 5... Exhaust port, 6
...exhaust valve, 7...downstream end opening, 10...exhaust manifold, 11...exhaust passage, 12...branch upstream section, 13...
Branch downstream part, 14...partition wall, 15...edge, 16...
Merging section, 17... Branching section peripheral wall, 18... Communication hole, 19
... O2 sensor mounting hole, 20...exhaust gas extraction hole,
21... Secondary air introduction hole, 22... Upper flange, 2
3... Bolt hole, 24... Bolt, 25... Lower flange, 26... Boss, 27... Bolt, 28... Stay, 29... Upper part, 30... Lower part, 31... Bolt.
Claims (1)
上流端は連通し、２番、３番の排気通路はその上
流側より下流側に亘り隣接して互いに独立すると
ともにその下流端は集合し、１番、４番の排気通
路の下流端は相互に集合して前記２番、３番の排
気通路の配列方向に対し直角な面に沿い重なつて
集合する如く一体的に形成してなる４気筒エンジ
ンの排気マニホルドにおいて、前記２番、３番の
排気通路を仕切る仕切壁に、この両通路の上流部
を相互に連通する通路長手方向に細長い連通孔を
設け、前記１番、４番の排気通路のいずれか一方
と、これに隣接する前記２番、３番の排気通路の
いずれか一方とに臨む如く排気ガス成分濃度検出
センサー取付け孔を設けたことを特徴とする多気
筒エンジンの排気マニホルド。 The upstream end of the exhaust passage communicates with the exhaust port of the in-line four-cylinder engine, and the No. 2 and No. 3 exhaust passages are adjacent and independent from the upstream side to the downstream side, and their downstream ends converge. , a 4-cylinder engine in which the downstream ends of the No. 4 exhaust passages are integrally formed such that they converge and overlap along a plane perpendicular to the arrangement direction of the No. 2 and No. 3 exhaust passages. In the exhaust manifold, the partition wall that partitions the No. 2 and No. 3 exhaust passages is provided with an elongated communication hole in the longitudinal direction of the passage that communicates the upstream portions of the two passages with each other, and the No. 1 and No. 4 exhaust passages are connected to each other. An exhaust manifold for a multi-cylinder engine, characterized in that an exhaust gas component concentration detection sensor mounting hole is provided so as to face one of the exhaust passages and one of the second and third exhaust passages adjacent thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985073558U JPH0224897Y2 (en) | 1985-05-20 | 1985-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985073558U JPH0224897Y2 (en) | 1985-05-20 | 1985-05-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61192514U true JPS61192514U (en) | 1986-11-29 |
| JPH0224897Y2 JPH0224897Y2 (en) | 1990-07-09 |
Family
ID=30613043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985073558U Expired JPH0224897Y2 (en) | 1985-05-20 | 1985-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0224897Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013522525A (en) * | 2010-03-18 | 2013-06-13 | アー・ファウ・エル・リスト・ゲー・エム・ベー・ハー | Internal combustion engine having a connecting structure to a cylinder head |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003262120A (en) | 2002-03-08 | 2003-09-19 | Nissan Motor Co Ltd | Exhaust manifold for 4-cylinder engine |
-
1985
- 1985-05-20 JP JP1985073558U patent/JPH0224897Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013522525A (en) * | 2010-03-18 | 2013-06-13 | アー・ファウ・エル・リスト・ゲー・エム・ベー・ハー | Internal combustion engine having a connecting structure to a cylinder head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0224897Y2 (en) | 1990-07-09 |