JPH0252954U

JPH0252954U -

Info

Publication number: JPH0252954U
Application number: JP13219188U
Authority: JP
Priority date: 1988-10-07
Filing date: 1988-10-07
Publication date: 1990-04-17

Description

[Brief explanation of drawings]

第１図は、本考案の実施例を示す、６気筒横置
きＶ型エンジンの吸気装置の平面説明図である。
第２図は、第１図に示す吸気装置を備えたエンジ
ンの立面説明図である。第３図は、リヤ側バンク
の平行部における低速用吸気通路と高速用吸気通
路の横断面説明図であり、樹脂成型部のリヤ側高
速用吸気通路への取り付け状態を示す。第４図は
、第１図に示す吸気装置のＡ―Ａ線断面説明図で
ある。第５図は、第１図に示す吸気装置のＢ―Ｂ
線断面説明図である。第６図は、第１図に示す吸
気装置のＣ―Ｃ線断面説明図である。第７図は、
第１図に示す吸気装置のＤ―Ｄ線断面説明図であ
る。第８図は、蓋部材を取り外した状態で、連通
路を下流側からみた立面説明図である。ＣＥ…６気筒横置きＶ型エンジン、Ｆ…フロン
ト側バンク、Ｒ…リヤ側バンク、ＩＭ…吸気マニ
ホールド、Ｍ…マニホールド本体部、Ｎ…独立吸
気通路部、ＢＮ…ボンネツト、Ｊ…樹脂成型部、
＃１〜＃６…第１〜第６気筒、１…吸気弁、２…
吸気ポート、３…独立吸気通路、１１…共通吸気
通路、１１ｆ，１１ｒ…フロント側、リヤ側分岐
吸気通路、１２…分岐部、１４…スロツトルボデ
イ、１７…集合部、１８…フランジ部、２１…フ
ロント側高速用吸気通路、２２…リヤ側高速用吸
気通路、２３…共通低速用吸気通路、２５…フロ
ント側低速用吸気通路、２６…リヤ側低速用吸気
通路、３１…フロント側高速用吸気通路開閉弁、
３２…リヤ側高速用吸気通路開閉弁、３３…連通
路、３７…連通路開閉弁。 FIG. 1 is an explanatory plan view of an intake system for a six-cylinder horizontal V-type engine, showing an embodiment of the present invention.
FIG. 2 is an explanatory elevational view of an engine equipped with the intake device shown in FIG. 1. FIG. 3 is a cross-sectional explanatory view of the low-speed intake passage and the high-speed intake passage in the parallel portion of the rear bank, and shows how the resin molded portion is attached to the rear high-speed intake passage. FIG. 4 is an explanatory cross-sectional view taken along line AA of the intake device shown in FIG. 1. Figure 5 shows the B-B of the intake system shown in Figure 1.
It is a line cross-sectional explanatory drawing. FIG. 6 is an explanatory cross-sectional view taken along line CC of the intake device shown in FIG. 1. Figure 7 shows
FIG. 2 is an explanatory cross-sectional view taken along line DD of the intake device shown in FIG. 1. FIG. FIG. 8 is an explanatory elevational view of the communication passage viewed from the downstream side with the lid member removed. CE...6-cylinder horizontal V-type engine, F...front bank, R...rear bank, IM...intake manifold, M...manifold body, N...independent intake passage, BN...bonnet, J...resin molded part,
#1 to #6...1st to 6th cylinders, 1...intake valve, 2...
Intake port, 3...Independent intake passage, 11...Common intake passage, 11f, 11r...Front side, rear side branch intake passage, 12...Branch part, 14...Throttle body, 17...Collecting part, 18...Flange part, 21...Front Side high speed intake passage, 22...Rear side high speed intake passage, 23...Common low speed intake passage, 25...Front side low speed intake passage, 26...Rear side low speed intake passage, 31...Front side high speed intake passage opening/closing valve,
32... Rear side high speed intake passage opening/closing valve, 33... Communication passage, 37... Communication passage opening/closing valve.

Claims

[Claims for Utility Model Registration] Regarding the propagation of pressure waves, there is a high-speed intake passage whose effective intake path length is set to be relatively short, and a downstream end connected to the high-speed intake passage; An intake device for an engine, characterized in that the engine is provided with a low-speed intake passage whose length is longer than the high-speed intake passage, wherein the low-speed intake passage is formed of resin.