JPH01119833U - - Google Patents
Info
- Publication number
- JPH01119833U JPH01119833U JP1464388U JP1464388U JPH01119833U JP H01119833 U JPH01119833 U JP H01119833U JP 1464388 U JP1464388 U JP 1464388U JP 1464388 U JP1464388 U JP 1464388U JP H01119833 U JPH01119833 U JP H01119833U
- Authority
- JP
- Japan
- Prior art keywords
- load range
- engine
- intake passage
- control valve
- notch
- 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
Links
- 238000002485 combustion reaction Methods 0.000 claims description 4
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図はこの考案の一実施例の内燃機関の吸気
装置の平断面図、第２図は同制御動作を示すフロ
ーチヤート、第３図および第４図は他の制御動作
例を示すフローチヤート、第５図は他の実施例の
内燃機関の吸気装置の平断面図、第６図は同縦断
面図、第７図は更に他の実施例の内燃機関の吸気
装置の平断面図である。
５……吸気ポート（吸気通路）、１７……第１
の制御弁、１７ａ……切欠部、１９……通路（吸
気通路）、２３……第２の制御弁、２３ａ……切
欠部、２７……コントロールユニツト（制御手段
）。
FIG. 1 is a plan sectional view of an intake system for an internal combustion engine according to an embodiment of the invention, FIG. 2 is a flowchart showing the same control operation, and FIGS. 3 and 4 are flowcharts showing other examples of control operation. , FIG. 5 is a plan sectional view of an intake system for an internal combustion engine according to another embodiment, FIG. 6 is a longitudinal sectional view of the same, and FIG. 7 is a plan sectional view of an intake system for an internal combustion engine according to yet another embodiment. . 5... Intake port (intake passage), 17... First
17a... Notch, 19... Passage (intake passage), 23... Second control valve, 23a... Notch, 27... Control unit (control means).
Claims (1)
機関の低負荷域で閉じ中・高負荷域で開き比較的
小さい面積の切欠部を有する第１の制御弁と、該
第１の制御弁上流に位置し、同じく前記吸気通路
を概ね機関の低・中負荷域で閉じ高負荷域で開き
比較的大きい面積の切欠部を有する第２の制御弁
とを互いに直列に設け、前記第１、第２の各制御
弁を機関温度に対応して制御する制御手段を設け
たことを特徴とする内燃機関の吸気装置。 A first control valve is provided in the intake passage downstream of the throttle valve, and the first control valve has a notch with a relatively small area, which closes the intake passage in the low load range of the engine and opens in the medium and high load range; and a second control valve having a relatively large area notch, which similarly closes the intake passage in a low to medium load range of the engine and opens in a high load range. 1. An intake system for an internal combustion engine, comprising a control means for controlling each of the control valves in accordance with the engine temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1464388U JPH0627799Y2 (en) | 1988-02-08 | 1988-02-08 | Internal combustion engine intake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1464388U JPH0627799Y2 (en) | 1988-02-08 | 1988-02-08 | Internal combustion engine intake system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01119833U true JPH01119833U (en) | 1989-08-14 |
| JPH0627799Y2 JPH0627799Y2 (en) | 1994-07-27 |
Family
ID=31226028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1464388U Expired - Lifetime JPH0627799Y2 (en) | 1988-02-08 | 1988-02-08 | Internal combustion engine intake system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0627799Y2 (en) |
-
1988
- 1988-02-08 JP JP1464388U patent/JPH0627799Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0627799Y2 (en) | 1994-07-27 |
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