JPS61144215U - - Google Patents
Info
- Publication number
- JPS61144215U JPS61144215U JP2736485U JP2736485U JPS61144215U JP S61144215 U JPS61144215 U JP S61144215U JP 2736485 U JP2736485 U JP 2736485U JP 2736485 U JP2736485 U JP 2736485U JP S61144215 U JPS61144215 U JP S61144215U
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- idle
- secondary air
- passage
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 235000014676 Phragmites communis Nutrition 0.000 claims description 2
- 230000010349 pulsation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Exhaust Gas After Treatment (AREA)
Description
第１〜５図はこの考案の実施例を示し、第１図
は二次空気供給装置の概略構成図、第２，３図は
制御弁機構の作用説明図、第４，５図はアイドル
アツプ機構の作用説明図、第６図は、従来の二次
空気制御装置の概略構成図である。
図において、２は内燃機関、４はエアクリーナ
、１２は吸気マニホルド、１４は排気マニホルド
、１６は二次空気通路、１８はリードバルブ、２
０は制御弁機構、２２は開閉弁、２４はアクチユ
エータ、２６は負圧切換弁、２８は制御回路、３
０はアイドルアツプ機構、３４はアクチユエータ
、４６は負圧通路、４８は大気孔、５０は分岐点
、６４は分岐通路である。
Figures 1 to 5 show an embodiment of this invention, with Figure 1 being a schematic diagram of the secondary air supply system, Figures 2 and 3 being an explanatory diagram of the operation of the control valve mechanism, and Figures 4 and 5 being the idle up system. FIG. 6, which is an explanatory diagram of the operation of the mechanism, is a schematic configuration diagram of a conventional secondary air control device. In the figure, 2 is an internal combustion engine, 4 is an air cleaner, 12 is an intake manifold, 14 is an exhaust manifold, 16 is a secondary air passage, 18 is a reed valve, 2
0 is a control valve mechanism, 22 is an on-off valve, 24 is an actuator, 26 is a negative pressure switching valve, 28 is a control circuit, 3
0 is an idle up mechanism, 34 is an actuator, 46 is a negative pressure passage, 48 is an air hole, 50 is a branch point, and 64 is a branch passage.
Claims (1)
気通路を設け、この二次空気通路の途中には排気
脈動により作動し前記排気系へ二次空気の流通を
許容するリードバルブと前記二次空気通路を開閉
制御する制御弁機構とを設け、前記内燃機関の気
化器絞り弁をアイドルアツプ開度位置に保持する
アイドルアツプ機構を設け、一端側を前記気化器
絞り弁下流側の吸気通路に連通する負圧通路の他
端側を前記アイドルアツプ機構のアクチユエータ
に連通するとともにこの負圧通路の他端側を分岐
点で分岐して前記制御弁機構のアクチユエータに
連通して設け、前記分岐点よりも吸気通路側の前
記負圧通路には負圧切換弁を設け、前記内燃機関
がアイドルアツプ運転となる運転領域において前
記負圧通路を連通させるべく前記負圧切換弁を切
換制御する制御回路を設けたことを特徴とする二
次空気制御装置。 A secondary air passage is provided for supplying secondary air to the exhaust system of the internal combustion engine, and a reed valve is provided in the middle of the secondary air passage to operate due to exhaust pulsation and allow the secondary air to flow to the exhaust system. an idle up mechanism that holds the carburetor throttle valve of the internal combustion engine at an idle up opening position, one end of which is connected to the intake passage downstream of the carburetor throttle valve; The other end of the negative pressure passage that communicates with the actuator of the idle up mechanism is connected to the actuator of the idle up mechanism, and the other end of the negative pressure passage is branched at a branch point and communicated with the actuator of the control valve mechanism, and the branch A negative pressure switching valve is provided in the negative pressure passage on the intake passage side of the point, and control is performed to switch and control the negative pressure switching valve so as to communicate the negative pressure passage in an operating range where the internal combustion engine is in idle-up operation. A secondary air control device characterized by being provided with a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985027364U JPH0631137Y2 (en) | 1985-02-28 | 1985-02-28 | Secondary air control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985027364U JPH0631137Y2 (en) | 1985-02-28 | 1985-02-28 | Secondary air control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61144215U true JPS61144215U (en) | 1986-09-05 |
| JPH0631137Y2 JPH0631137Y2 (en) | 1994-08-22 |
Family
ID=30524250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985027364U Expired - Lifetime JPH0631137Y2 (en) | 1985-02-28 | 1985-02-28 | Secondary air control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0631137Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52158209U (en) * | 1976-05-26 | 1977-12-01 | ||
| JPS56173767U (en) * | 1980-05-28 | 1981-12-22 | ||
| JPS5788250A (en) * | 1980-11-20 | 1982-06-02 | Toyota Motor Corp | Controller for air-fuel ratio of engine |
| JPS599048U (en) * | 1982-07-07 | 1984-01-20 | 森田 美代子 | foldable simple hat |
-
1985
- 1985-02-28 JP JP1985027364U patent/JPH0631137Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52158209U (en) * | 1976-05-26 | 1977-12-01 | ||
| JPS56173767U (en) * | 1980-05-28 | 1981-12-22 | ||
| JPS5788250A (en) * | 1980-11-20 | 1982-06-02 | Toyota Motor Corp | Controller for air-fuel ratio of engine |
| JPS599048U (en) * | 1982-07-07 | 1984-01-20 | 森田 美代子 | foldable simple hat |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0631137Y2 (en) | 1994-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS61144215U (en) | ||
| JPS61125622U (en) | ||
| JPS61169265U (en) | ||
| JPS61144214U (en) | ||
| JPS6365860U (en) | ||
| JPS6226518U (en) | ||
| JPS63140124U (en) | ||
| JPS6365848U (en) | ||
| JPS61116119U (en) | ||
| JPS6264845U (en) | ||
| JPH02131051U (en) | ||
| JPS6153522U (en) | ||
| JPS63136249U (en) | ||
| JPS61118960U (en) | ||
| JPS61137826U (en) | ||
| JPS6228043U (en) | ||
| JPH021451U (en) | ||
| JPH02119934U (en) | ||
| JPS60110679U (en) | Internal combustion engine ignition timing control device | |
| JPS62138U (en) | ||
| JPS62124256U (en) | ||
| JPS6257767U (en) | ||
| JPS6218333U (en) | ||
| JPH01115863U (en) | ||
| JPS62179351U (en) |