JPS63100622U - - Google Patents
Info
- Publication number
- JPS63100622U JPS63100622U JP1987105447U JP10544787U JPS63100622U JP S63100622 U JPS63100622 U JP S63100622U JP 1987105447 U JP1987105447 U JP 1987105447U JP 10544787 U JP10544787 U JP 10544787U JP S63100622 U JPS63100622 U JP S63100622U
- Authority
- JP
- Japan
- Prior art keywords
- catalyst device
- temperature
- engine
- vehicle
- catalyst
- 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
- 239000003054 catalyst Substances 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図は本考案に係る車輌の触媒装置の温度制
御装置の一実施例を示す構成図、第２図は第１図
における制御装置１０及び駆動回路１４ａを示す
概略説明図、第３図は第１図及び第２図の制御装
置１０による制御弁６の開度調整能様を示すフロ
ーチヤート、第４図は第１図の制御弁６の弁開度
制御用のデータと触媒装置の温度との関係を示す
特性図、第５図は第３図におけるタイマアドレス
ＴＡの作動を示すフローチヤート、第６図は本考
案の変形例に係る制御弁の弁開度と触媒装置の温
度との関係を示す特性図である。
２，３…触媒装置、４，５…バイパス通路、６
，７…制御弁、８，９…温度センサ、１０…制御
装置、１２，１５…弁体、１４，１７…アクチユ
エータ、２０…エンジン、２１…マフラ、２２…
排気管。
FIG. 1 is a configuration diagram showing an embodiment of a temperature control device for a catalyst device of a vehicle according to the present invention, FIG. 2 is a schematic explanatory diagram showing the control device 10 and drive circuit 14a in FIG. 1, and FIG. A flowchart showing the ability to adjust the opening degree of the control valve 6 by the control device 10 in FIGS. 1 and 2, and FIG. 4 shows data for controlling the opening degree of the control valve 6 in FIG. 1 and the temperature of the catalyst device. FIG. 5 is a flowchart showing the operation of timer address TA in FIG. 3, and FIG. It is a characteristic diagram showing a relationship. 2, 3... Catalyst device, 4, 5... Bypass passage, 6
, 7... Control valve, 8, 9... Temperature sensor, 10... Control device, 12, 15... Valve body, 14, 17... Actuator, 20... Engine, 21... Muffler, 22...
Exhaust pipe.
Claims (1)
触媒装置を直列に接続し、これらの触媒装置の内
少なくとも前記エンジンに近い位置に接続される
最初の触媒装置にバイパス通路を並設し、前記最
初の触媒装置が配設された通路と前記バイパス通
路との接続部又は両通路の少くとも一方に制御弁
を設けると共に、前記最初の触媒装置の温度を検
出して基準値との偏差を求め、該偏差に応じて前
記制御弁の開度を制御して前記エンジンから排出
され前記最初の触媒装置に流入する排気ガスの流
入量を制御する制御手段を設けたことを特徴とす
る車輌の触媒装置の温度制御装置。 At least two catalyst devices are connected in series to an exhaust passage of an engine of a vehicle, and a bypass passage is provided in parallel to at least the first catalyst device that is connected to the engine at a position close to the first catalyst device. A control valve is provided at the connection between the passage in which the device is disposed and the bypass passage, or at least one of both passages, and the temperature of the first catalyst device is detected to determine the deviation from the reference value, and the deviation is A temperature of a catalyst device of a vehicle, characterized in that a control means is provided for controlling the opening degree of the control valve in accordance with the temperature of the catalyst device of the vehicle, thereby controlling the amount of exhaust gas discharged from the engine and flowing into the first catalyst device. Control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987105447U JPS63100622U (en) | 1986-07-16 | 1987-07-09 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10797086 | 1986-07-16 | ||
| JP1987105447U JPS63100622U (en) | 1986-07-16 | 1987-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63100622U true JPS63100622U (en) | 1988-06-30 |
Family
ID=33455052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987105447U Pending JPS63100622U (en) | 1986-07-16 | 1987-07-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63100622U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007224790A (en) * | 2006-02-22 | 2007-09-06 | Toyota Motor Corp | Catalyst by-passing apparatus |
| JP2014240643A (en) * | 2013-06-12 | 2014-12-25 | 三菱自動車工業株式会社 | Exhaust heat recovery device of engine |
-
1987
- 1987-07-09 JP JP1987105447U patent/JPS63100622U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007224790A (en) * | 2006-02-22 | 2007-09-06 | Toyota Motor Corp | Catalyst by-passing apparatus |
| JP2014240643A (en) * | 2013-06-12 | 2014-12-25 | 三菱自動車工業株式会社 | Exhaust heat recovery device of engine |
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