JPS60187366U - Intake port of double intake engine - Google Patents

Intake port of double intake engine

Info

Publication number
JPS60187366U
JPS60187366U JP7405284U JP7405284U JPS60187366U JP S60187366 U JPS60187366 U JP S60187366U JP 7405284 U JP7405284 U JP 7405284U JP 7405284 U JP7405284 U JP 7405284U JP S60187366 U JPS60187366 U JP S60187366U
Authority
JP
Japan
Prior art keywords
intake
intake port
engine
double
port
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
Application number
JP7405284U
Other languages
Japanese (ja)
Inventor
氏橋　通明
五十嵐　幸平
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 JP7405284U priority Critical patent/JPS60187366U/en
Publication of JPS60187366U publication Critical patent/JPS60187366U/en
Pending legal-status Critical Current

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  • 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 the drawing]

第１図は本考案の一実施例に係る複吸気エンジンの吸気
ポートの縦断面図、第２図は第１図の装置の平面図、第
３図は第１図の装置を■方向からみた側面図、第４図は
噴射終了時期とＣＯ量との関係図、第５図は車速と酸素
センサからのフィードバック周波数との関係図、である
。 １・・・・・・シリンダヘッド、３・・・・・・吸気弁
、４，４ａ、４ｂ・・・・・・吸気ポート、５・・・・
・・隔壁、６・・・・・・傘部、８・・・・・・燃焼室
、９・・・・・・燃料噴射弁、１２・・・・・・端部中
央部、１３・・・・・・吸気ポートの縦断面中心線、１
４・・・・・・吸気弁の上流側外周端、１５・・・・・
・シリンダヘッド下面、１６・・・・・・燃料噴孔の中
心線、１７・・・・・・噴射燃料、１８・・・・・・平
面部、Ａ−Ａ・・・・・・シリンダヘッド下面からの垂
線。Fig. 1 is a longitudinal sectional view of the intake port of a double intake engine according to an embodiment of the present invention, Fig. 2 is a plan view of the device shown in Fig. 1, and Fig. 3 is a view of the device shown in Fig. 1 from the direction ■. A side view, FIG. 4 is a diagram showing the relationship between the injection end timing and the amount of CO, and FIG. 5 is a diagram showing the relationship between the vehicle speed and the feedback frequency from the oxygen sensor. 1... Cylinder head, 3... Intake valve, 4, 4a, 4b... Intake port, 5...
...Partition wall, 6...Umbrella section, 8...Combustion chamber, 9...Fuel injection valve, 12...End center part, 13... ... vertical section center line of intake port, 1
4... Upstream outer peripheral end of intake valve, 15...
・Bottom surface of cylinder head, 16...Center line of fuel injection hole, 17...Injected fuel, 18...Flat surface, A-A...Cylinder head Perpendicular line from the bottom surface.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）サイアミーズ吸気ポートのＨつの吸気ポート間の
隔壁に向けて燃料を噴射する複吸気エンジンにおいて、
前記隔壁の吸気ポート上流側の端部中央部の位置を、吸
気弁の吸気ポート上流側外周端を通るシリンダヘッド下
面からの垂線よりも吸気ポート下流側にし、燃料噴射方
向を前記隔壁の端部中央部方向に設定したことを特徴と
する複吸気エンジンの吸気ポート。(1) In a multiple intake engine that injects fuel toward the partition between H intake ports of the Siamese intake ports,
The central part of the end of the partition wall on the upstream side of the intake port is positioned downstream of the intake port with respect to a perpendicular line from the lower surface of the cylinder head passing through the outer circumferential end of the intake valve on the upstream side of the intake port, and the fuel injection direction is set at the end of the partition wall. An intake port of a double intake engine characterized by being set toward the center. （２）前記隔壁の端部中央部に平面部を形成した実用新
案登録請求の範囲第１項記載の複吸気エンジンの吸気ポ
ート。(2) The intake port for a dual intake engine according to claim 1, wherein a flat portion is formed at the center of the end of the partition wall.
JP7405284U 1984-05-22 1984-05-22 Intake port of double intake engine Pending JPS60187366U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7405284U JPS60187366U (en) 1984-05-22 1984-05-22 Intake port of double intake engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7405284U JPS60187366U (en) 1984-05-22 1984-05-22 Intake port of double intake engine

Publications (1)

Publication Number Publication Date
JPS60187366U true JPS60187366U (en) 1985-12-12

Family

ID=30613991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7405284U Pending JPS60187366U (en) 1984-05-22 1984-05-22 Intake port of double intake engine

Country Status (1)

Country Link
JP (1) JPS60187366U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6153453A (en) * 1984-08-21 1986-03-17 Toyota Motor Corp Suction port in fuel-injection internal-combustion engine
EP1548264A3 (en) * 2003-12-25 2009-12-23 Nissan Motor Company, Limited Intake port structure for internal combustion engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6153453A (en) * 1984-08-21 1986-03-17 Toyota Motor Corp Suction port in fuel-injection internal-combustion engine
EP1548264A3 (en) * 2003-12-25 2009-12-23 Nissan Motor Company, Limited Intake port structure for internal combustion engine

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