JPS61116128U - - Google Patents
Info
- Publication number
- JPS61116128U JPS61116128U JP20172484U JP20172484U JPS61116128U JP S61116128 U JPS61116128 U JP S61116128U JP 20172484 U JP20172484 U JP 20172484U JP 20172484 U JP20172484 U JP 20172484U JP S61116128 U JPS61116128 U JP S61116128U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- intake
- engine
- negative pressure
- actuator
- 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
- 238000010586 diagram Methods 0.000 description 3
Description
図面は本考案の実施例を示すもので、第１図は
第１実施例におけるエンジンの吸気装置を示す要
部破断概略図、第２図は制御に使用される負圧の
特性を示すグラフ、第３図は本実施例の作用を示
すエンジン回転数に対するエンジン出力の特性図
、第４，５図は夫々第２、第３実施例を示すエン
ジンの吸気装置の要部破断概略図である、第６図
は従来例を示す概略図である。
１…エンジン、２…吸気系、５，３２，５２…
拡大室（サージタンク）、７，３４，５７１〜５
７６…吸気ポート、１０，３７，６３…通路状態
可変機構（開閉弁）、１１，３８，６４…負圧応
動式アクチユエータ、１７，４３，６９…負圧供
給通路、１８，３９，６５…逆止弁。
The drawings show an embodiment of the present invention, and FIG. 1 is a schematic cutaway view of the main part showing the intake system of the engine in the first embodiment, and FIG. 2 is a graph showing the characteristics of negative pressure used for control. FIG. 3 is a characteristic diagram of engine output with respect to engine speed showing the effect of this embodiment, and FIGS. 4 and 5 are schematic diagrams of main parts of the engine intake system cut away, showing the second and third embodiments, respectively. FIG. 6 is a schematic diagram showing a conventional example. 1... Engine, 2... Intake system, 5, 32, 52...
Expansion room (surge tank), 7, 34, 57 1 ~ 5
7 6 ... Intake port, 10, 37, 63... Passage state variable mechanism (on/off valve), 11, 38, 64... Negative pressure responsive actuator, 17, 43, 69... Negative pressure supply passage, 18, 39, 65... non-return valve.
補正 昭６１．３．２０
実用新案登録請求の範囲を次のように補正する
。Amendment March 20, 1986 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
吸気系の途中に拡大室を備えると共に、該拡大
室と各気筒との間に夫々独立吸気通路を設け、且
つ該吸気系の通路状態を変化させる通路状態可変
機構を備えたエンジンの吸気装置であつて、上記
通路状態可変機構をエンジン回転数に応じて制御
する負圧応動式アクチユエータを備えると共に、
上記独立吸気通路における吸気ポートの近傍から
負圧供給通路を導いて、該通路を上記アクチユエ
ータに逆止弁を介して接続したことを特徴とする
エンジンの吸気装置。[Claims for Utility Model Registration] A passage state variable mechanism that includes an enlarged chamber in the middle of an intake system, provides independent intake passages between the enlarged chamber and each cylinder , and changes the passage state of the intake system. An intake system for an engine, comprising a negative pressure responsive actuator that controls the passage state variable mechanism according to the engine rotation speed,
An intake system for an engine, characterized in that a negative pressure supply passage is led from near an intake port in the independent intake passage, and the passage is connected to the actuator via a check valve.
Claims (1)
室と各気筒の吸気ポートとの間に夫々独立吸気通
路を設け、且つ該吸気系の通路状態を変化させる
通路状態可変機構を備えたエンジンの吸気装置で
あつて、上記通路状態可変機構をエンジン回転数
に応じて制御する負圧応動式アクチユエータを備
えると共に、上記独立吸気通路における吸気ポー
トの近傍から負圧供給通路を導いて、該通路を上
記アクチユエータに逆止弁を介して接続したこと
を特徴とするエンジンの吸気装置。 An engine is provided with an enlarged chamber in the middle of the intake system, an independent intake passage between the enlarged chamber and the intake port of each cylinder, and a passage state variable mechanism for changing the passage state of the intake system. The intake device includes a negative pressure-responsive actuator that controls the passage state variable mechanism according to the engine speed, and a negative pressure supply passage is guided from the vicinity of the intake port in the independent intake passage to control the passage. An intake device for an engine, characterized in that the actuator is connected to the actuator via a check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20172484U JPS61116128U (en) | 1984-12-29 | 1984-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20172484U JPS61116128U (en) | 1984-12-29 | 1984-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61116128U true JPS61116128U (en) | 1986-07-22 |
Family
ID=30763786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20172484U Pending JPS61116128U (en) | 1984-12-29 | 1984-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61116128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01280631A (en) * | 1988-05-02 | 1989-11-10 | Mazda Motor Corp | Intake system for engine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5710427B2 (en) * | 1971-10-21 | 1982-02-26 | ||
| JPS5828518A (en) * | 1981-07-27 | 1983-02-19 | Toyota Motor Corp | Passage control device of helical suction port |
-
1984
- 1984-12-29 JP JP20172484U patent/JPS61116128U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5710427B2 (en) * | 1971-10-21 | 1982-02-26 | ||
| JPS5828518A (en) * | 1981-07-27 | 1983-02-19 | Toyota Motor Corp | Passage control device of helical suction port |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01280631A (en) * | 1988-05-02 | 1989-11-10 | Mazda Motor Corp | Intake system for engine |
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