JPS63112234U - - Google Patents
Info
- Publication number
- JPS63112234U JPS63112234U JP249987U JP249987U JPS63112234U JP S63112234 U JPS63112234 U JP S63112234U JP 249987 U JP249987 U JP 249987U JP 249987 U JP249987 U JP 249987U JP S63112234 U JPS63112234 U JP S63112234U
- Authority
- JP
- Japan
- Prior art keywords
- intake passage
- load range
- control valve
- valve
- downstream
- 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 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図乃至第３図ｃはこの考案の第１の実施例
に係わり、第１図は吸気装置の全体構成図、第２
図はケーシングの正面図、第３図ａ乃至第３図ｃ
はリンク機構の作用説明図、第４図乃至第６図ｃ
は第２の実施例に係わり、第４図は吸気装置の全
体構成図、第５図はリンク機構および第１、第２
の制御弁等の斜視図、第６図ａ乃至第６図ｃはリ
ンク機構の作用説明図、第７図乃至第１１図ｃは
第３の実施例に係わり、第７図は吸気装置の全体
構成図、第８図はケーシングの正面図、第９図は
第１の弁軸の正面図、第１０図は第９図の―
断面図、第１１図ａ乃至第１１図ｃはリンク機構
の作用説明図である。
３……第１の制御弁、３ａ……切欠部（連通部
）、５……第２の制御弁、５ａ……切欠部（連通
部）、９……吸気通路、１１……絞り弁。
Figures 1 to 3c relate to the first embodiment of this invention; Figure 1 is an overall configuration diagram of the intake system;
The figures are front views of the casing, Figures 3a to 3c.
are explanatory diagrams of the operation of the link mechanism, Figures 4 to 6 c
relates to the second embodiment, FIG. 4 is an overall configuration diagram of the intake system, and FIG. 5 is a link mechanism and the first and second
Figures 6a to 6c are perspective views of the control valves, etc., Figures 6a to 6c are explanatory diagrams of the operation of the link mechanism, Figures 7 to 11c relate to the third embodiment, and Figure 7 shows the entire intake system. The configuration diagram, FIG. 8 is a front view of the casing, FIG. 9 is a front view of the first valve stem, and FIG. 10 is the same as in FIG.
The sectional views, FIGS. 11a to 11c, are explanatory diagrams of the operation of the link mechanism. 3... First control valve, 3a... Notch (communication part), 5... Second control valve, 5a... Notch (communication part), 9... Intake passage, 11... Throttle valve.
Claims (1)
関の低負荷域側で閉じ中・高負荷域側で開く第１
の制御弁と、同じく前記吸気通路を概ね機関の低
・中負荷域側で閉じ高負荷域側で開く第２の制御
弁とを互いに直列に設け、前記第１、第２の各制
御弁のうち上流側に位置する制御弁と絞り弁との
間の吸気通路と、前記第１、第２の各制御弁のう
ち下流側に位置する制御弁下流の吸気通路とを連
通する連通部を設けたことを特徴とする内燃機関
の吸気装置。 There is a first valve in the intake passage downstream of the throttle valve that closes in the engine's low load range and opens in the middle and high load range.
and a second control valve, the intake passage of which is generally closed on the low/medium load range side of the engine and opened on the high load range side, are provided in series with each other, and each of the first and second control valves A communication portion is provided for communicating an intake passage between the control valve and the throttle valve located on the upstream side, and an intake passage downstream of the control valve located on the downstream side of each of the first and second control valves. An intake system for an internal combustion engine characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP249987U JPS63112234U (en) | 1987-01-13 | 1987-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP249987U JPS63112234U (en) | 1987-01-13 | 1987-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63112234U true JPS63112234U (en) | 1988-07-19 |
Family
ID=30781394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP249987U Pending JPS63112234U (en) | 1987-01-13 | 1987-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63112234U (en) |
-
1987
- 1987-01-13 JP JP249987U patent/JPS63112234U/ja active Pending
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