JPS6159849U - - Google Patents
Info
- Publication number
- JPS6159849U JPS6159849U JP14633184U JP14633184U JPS6159849U JP S6159849 U JPS6159849 U JP S6159849U JP 14633184 U JP14633184 U JP 14633184U JP 14633184 U JP14633184 U JP 14633184U JP S6159849 U JPS6159849 U JP S6159849U
- Authority
- JP
- Japan
- Prior art keywords
- secondary air
- engine
- supply
- intake secondary
- auxiliary fuel
- 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
- 239000000446 fuel Substances 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241000234435 Lilium Species 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
Landscapes
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の実施例を示す構成図、第２図
は第１図の装置中の制御回路の具体的構成を示す
ブロツク図、第３図は第１図の装置の動作を示す
図である。
主要部分の符号の説明、２…エアクリーナ、３
…気化器、５…絞り弁、６…ベンチユリ、８…メ
インノズル、１０…メイン燃料通路、１１…メイ
ンジエツト、１２…補助燃料通路、１３…補助燃
料制御弁、１４…吸気マニホールド、１５…負圧
供給通路、１７，３１…大気圧供給通路、１９，
２５…電磁弁、２２，２３…吸気２次空気供給通
路、２４…空気制御弁、３３…開閉弁、３９…酸
素濃度センサ、５２…三元触媒。
FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is a block diagram showing a specific configuration of the control circuit in the device shown in FIG. 1, and FIG. 3 is a diagram showing the operation of the device shown in FIG. It is. Explanation of symbols of main parts, 2...Air cleaner, 3
... Carburetor, 5... Throttle valve, 6... Bench lily, 8... Main nozzle, 10... Main fuel passage, 11... Main jet, 12... Auxiliary fuel passage, 13... Auxiliary fuel control valve, 14... Intake manifold, 15... Negative pressure Supply passage, 17, 31...Atmospheric pressure supply passage, 19,
25...Solenoid valve, 22, 23...Intake secondary air supply passage, 24...Air control valve, 33...Opening/closing valve, 39...Oxygen concentration sensor, 52...Three-way catalyst.
Claims (1)
供給手段を備えた車載内燃エンジンの排気成分濃
度を検出し、該検出結果に基づいて気化器絞り弁
下流に吸気２次空気を供給する吸気２次空気供給
装置であつて、エンジン温度及び車速を検出し、
該検出したエンジン温度が所定温度以上にありか
つ検出した車速が所定速度以下にあるとき前記吸
気２次空気の供給を停止しかつ前記補助燃料供給
手段を作動させてエンジンへの供給混合気の空燃
比をリツチ化せしめることを特徴とする吸気２次
空気供給装置。 Intake secondary air that detects the concentration of exhaust components of an on-vehicle internal combustion engine equipped with an auxiliary fuel supply means for supplying auxiliary fuel to the engine, and supplies intake secondary air downstream of the carburetor throttle valve based on the detection result. A supply device that detects engine temperature and vehicle speed,
When the detected engine temperature is above a predetermined temperature and the detected vehicle speed is below a predetermined speed, the supply of the intake secondary air is stopped and the auxiliary fuel supply means is operated to supply the air-fuel mixture to the engine. An intake secondary air supply device characterized by enriching the fuel ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14633184U JPS6159849U (en) | 1984-09-27 | 1984-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14633184U JPS6159849U (en) | 1984-09-27 | 1984-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6159849U true JPS6159849U (en) | 1986-04-22 |
Family
ID=30704568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14633184U Pending JPS6159849U (en) | 1984-09-27 | 1984-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6159849U (en) |
-
1984
- 1984-09-27 JP JP14633184U patent/JPS6159849U/ja active Pending
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