JPS58142329U - Internal combustion engine intake passage - Google Patents

Internal combustion engine intake passage

Info

Publication number
JPS58142329U
JPS58142329U JP3852282U JP3852282U JPS58142329U JP S58142329 U JPS58142329 U JP S58142329U JP 3852282 U JP3852282 U JP 3852282U JP 3852282 U JP3852282 U JP 3852282U JP S58142329 U JPS58142329 U JP S58142329U
Authority
JP
Japan
Prior art keywords
port
intake
intake passage
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
Application number
JP3852282U
Other languages
Japanese (ja)
Other versions
JPS6335167Y2 (en
Inventor
清 中西
猛 奥村
井上　悳太
Original Assignee
トヨタ自動車株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP3852282U priority Critical patent/JPS58142329U/en
Publication of JPS58142329U publication Critical patent/JPS58142329U/en
Application granted granted Critical
Publication of JPS6335167Y2 publication Critical patent/JPS6335167Y2/ja
Granted legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例に係る内燃機関の吸気通路の
縦断面図、第２図は第１図の吸気通路の。 横断面図、第３図は第１図および第２図のうち吸気通路
のみを取出して示した斜視図、第４図は第３図の吸気通
路を別の角度からみた斜視図、である。 １・・・・・・シリンダヘッド、２・・・・・・シリン
ダボア、３・・・・・・主吸気ポート、３ａ・・・・・
・導入部、３ｂ・・・・・・渦巻部、４・・・・・・副
吸気ポート、５・・・・・・排気ポート、６．７・・・
・・・吸気弁、８・・・・・・排気弁、９・・・・・・
隔壁、１０・・・・・・分岐部、１１・・・・・・サイ
アミーズポート流入部、１２・・・・・・主吸気ポート
上面、１３・・・・・・主吸気ポート内周壁面、１４・
・・・・・主吸気ポート外周壁面、１５・・・・・・燃
焼室リセス、１６・・・・・・点火プラグ、１７・・・
・・・スキッシュエリア、２１・・・・・・吸気マニホ
ルド、２２・・・・・・吸気マニホルド出口部、２７・
・・・・・湾曲部、２８・・・・・・燃料噴射弁。FIG. 1 is a longitudinal sectional view of an intake passage of an internal combustion engine according to an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view of the intake passage of FIG. 1. 3 is a perspective view showing only the intake passage in FIGS. 1 and 2, and FIG. 4 is a perspective view of the intake passage in FIG. 3 viewed from a different angle. 1... Cylinder head, 2... Cylinder bore, 3... Main intake port, 3a...
・Introduction part, 3b... Spiral part, 4... Sub-intake port, 5... Exhaust port, 6.7...
...Intake valve, 8...Exhaust valve, 9...
Partition wall, 10... Branch part, 11... Siamese port inflow part, 12... Main intake port upper surface, 13... Main intake port inner peripheral wall surface, 14・
... Main intake port outer peripheral wall surface, 15 ... Combustion chamber recess, 16 ... Spark plug, 17 ...
... Squish area, 21 ... Intake manifold, 22 ... Intake manifold outlet section, 27.
...Bent part, 28...Fuel injection valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ヘリカルポートからなる主吸気ポートとストレートポー
トからなる副吸気ポートとをシリンダヘッド内に分岐点
のあるサイアミーズポートに構成し、該サイアミーズポ
ートに接続される吸気マニホルド内吸気通路の前記シリ
ンダヘッド内主吸気ポートのヘリカル形状外周側壁面に
連なる壁面に、吸気マニホルド出口部で対向壁面側に所
定の半径をもって膨出し後端で前記主吸気ポートのヘリ
カル形状外周側壁面に滑らかに接続する湾曲部を形成し
たことを特徴とする内燃機関の吸気通路。A main intake port consisting of a helical port and a sub-intake port consisting of a straight port are configured as a Siamese port with a branch point in the cylinder head, and the main intake air in the cylinder head of the intake passage in the intake manifold connected to the Siamese port is configured. A curved portion is formed on a wall connected to the helical outer peripheral wall of the port, which bulges with a predetermined radius toward the opposite wall at the intake manifold outlet and smoothly connects to the helical outer peripheral wall of the main intake port at the rear end. An intake passage for an internal combustion engine characterized by:
JP3852282U 1982-03-18 1982-03-18 Internal combustion engine intake passage Granted JPS58142329U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3852282U JPS58142329U (en) 1982-03-18 1982-03-18 Internal combustion engine intake passage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3852282U JPS58142329U (en) 1982-03-18 1982-03-18 Internal combustion engine intake passage

Publications (2)

Publication Number Publication Date
JPS58142329U true JPS58142329U (en) 1983-09-26
JPS6335167Y2 JPS6335167Y2 (en) 1988-09-19

Family

ID=30049856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3852282U Granted JPS58142329U (en) 1982-03-18 1982-03-18 Internal combustion engine intake passage

Country Status (1)

Country Link
JP (1) JPS58142329U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040041309A (en) * 2002-11-11 2004-05-17 현대자동차주식회사 Intake port structure of engine
JP2006342746A (en) * 2005-06-09 2006-12-21 Toyota Motor Corp Intake structure for internal combustion engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040041309A (en) * 2002-11-11 2004-05-17 현대자동차주식회사 Intake port structure of engine
JP2006342746A (en) * 2005-06-09 2006-12-21 Toyota Motor Corp Intake structure for internal combustion engine

Also Published As

Publication number Publication date
JPS6335167Y2 (en) 1988-09-19

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