JPS63183464U - - Google Patents
Info
- Publication number
- JPS63183464U JPS63183464U JP7436387U JP7436387U JPS63183464U JP S63183464 U JPS63183464 U JP S63183464U JP 7436387 U JP7436387 U JP 7436387U JP 7436387 U JP7436387 U JP 7436387U JP S63183464 U JPS63183464 U JP S63183464U
- Authority
- JP
- Japan
- Prior art keywords
- throttle valve
- passage
- operating condition
- opening
- downstream side
- 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
Links
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案に係わる内燃機関の吸気装置の
一実施例を示す概略構成図、第２図は同上実施例
における分岐通路部の接続形態を示す平面図、第
３図〜第７図は分岐通路部の接続形態の他の実施
例を示す平面図、第８図ａ〜ｃ及び第９図は夫々
本考案装置の加速時における作用説明図、第１０
図ａ〜ｄ及び第１１図ａ〜ｄは夫々本考案装置の
減速時における作用説明図、第１２図は本考案の
他の実施例を示す概略構成図、第１３図及び第１
４図は夫々本考案の更に他の実施例を示す概略構
成図、第１５図は従来の内燃機関の吸気装置を示
す断面図である。
１１ａ…インテークマニホールドブランチ、１
２…集合部、１３…空気導入通路、２１…スロツ
トルバルブ、２７…コントロールユニツト、２８
…エアコントロールソレノイドバルブ、３０…三
方電磁弁、３１，３２…分岐通路部、４０…スロ
ツトルバルブ、４１…空気導入通路、４２，４３
…分岐通路部、４５…インテークマニホールドラ
イザ部、４７…エアコントロールバルブ、４８…
三方電磁弁、４９…ダイヤフラム、４９ａ…小孔
、５１…弁体、５２…スプリング、５３…負圧通
路、５３ｂ，５３ｃ…分岐通路部、５４…三方電
磁弁、５５…負圧スイツチ、５７…スロツトルバ
ルブ、５８…コレクタ、ａ，ｂ…負圧室。
FIG. 1 is a schematic configuration diagram showing one embodiment of an intake system for an internal combustion engine according to the present invention, FIG. 2 is a plan view showing a connection form of a branch passage in the same embodiment, and FIGS. 3 to 7 are 8a-c and 9 are plan views showing other embodiments of the connection form of the branch passage portion, and FIGS.
Figures a to d and Figures 11 a to d are respectively explanatory diagrams of the action of the device of the present invention during deceleration; Figure 12 is a schematic configuration diagram showing another embodiment of the present invention; Figures 13 and 1
FIG. 4 is a schematic configuration diagram showing still another embodiment of the present invention, and FIG. 15 is a sectional view showing a conventional intake system for an internal combustion engine. 11a...Intake manifold branch, 1
2... Collection part, 13... Air introduction passage, 21... Throttle valve, 27... Control unit, 28
... Air control solenoid valve, 30... Three-way solenoid valve, 31, 32... Branch passage section, 40... Throttle valve, 41... Air introduction passage, 42, 43
... Branch passage section, 45... Intake manifold riser section, 47... Air control valve, 48...
Three-way solenoid valve, 49... diaphragm, 49a... small hole, 51... valve body, 52... spring, 53... negative pressure passage, 53b, 53c... branch passage section, 54... three-way solenoid valve, 55... negative pressure switch, 57... Throttle valve, 58...Collector, a, b...Negative pressure chamber.
Claims (1)
空気導入通路であつて、前記スロツトルバルブ下
流側から点火順序２ｎ番目若しくは２ｎ＋１番目
の気筒のみに空気を導入可能な通路部と該スロツ
トルバルブ下流側から全ての気筒に空気を導入可
能な通路部とを備えた空気導入通路を設ける一方
、前記２つの通路部を切り換える切換手段と、各
通路部を開閉する開閉手段と、機関の加速、減速
運転条件を判別する運転条件判別手段と、該運転
条件判別手段による判別結果に基づいて前記切換
手段及び開閉手段の作動を制御する制御手段と、
を備えたことを特徴とする内燃機関の吸気装置。 An air introduction passage that communicates between the downstream side and the upstream side of the throttle valve, which is capable of introducing air only to the 2nth or 2n+1st cylinder in the ignition order from the downstream side of the throttle valve, and the downstream side of the throttle valve. An air introduction passage with a passage part that can introduce air from the side to all the cylinders is provided, and a switching means for switching between the two passage parts, an opening/closing means for opening and closing each passage part, and an engine acceleration and deceleration system. an operating condition determining means for determining an operating condition; a control means for controlling the operation of the switching means and the opening/closing means based on the determination result by the operating condition determining means;
An intake system for an internal combustion engine, characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7436387U JPS63183464U (en) | 1987-05-20 | 1987-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7436387U JPS63183464U (en) | 1987-05-20 | 1987-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63183464U true JPS63183464U (en) | 1988-11-25 |
Family
ID=30919510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7436387U Pending JPS63183464U (en) | 1987-05-20 | 1987-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63183464U (en) |
-
1987
- 1987-05-20 JP JP7436387U patent/JPS63183464U/ja active Pending