JPH0188050U - - Google Patents
Info
- Publication number
- JPH0188050U JPH0188050U JP18371487U JP18371487U JPH0188050U JP H0188050 U JPH0188050 U JP H0188050U JP 18371487 U JP18371487 U JP 18371487U JP 18371487 U JP18371487 U JP 18371487U JP H0188050 U JPH0188050 U JP H0188050U
- Authority
- JP
- Japan
- Prior art keywords
- air
- supplied
- passage
- air bleed
- bleed passage
- 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 6
- 238000002485 combustion reaction Methods 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
Description
第１図は本考案によるエアブリード空燃比制御
装置を取りつけた内燃機関を示す図、第２図は制
御装置の基本的構成を示す図、第３図は吸気通路
に配置された電気ヒーターの制御の論理を示す図
、第４図は暖機時開通弁の制御の論理を示す図で
ある。
３２……気化器、５０……メーン燃料通路、５
４，７６……エアブリード通路、７８……サブエ
アブリード通路、６０……空燃比制御弁、６２…
…暖機時開通弁。
Figure 1 is a diagram showing an internal combustion engine equipped with an air bleed air-fuel ratio control device according to the present invention, Figure 2 is a diagram showing the basic configuration of the control device, and Figure 3 is a diagram showing the control of an electric heater placed in the intake passage. FIG. 4 is a diagram showing the logic of controlling the warm-up opening valve. 32... Carburetor, 50... Main fuel passage, 5
4, 76... Air bleed passage, 78... Sub air bleed passage, 60... Air-fuel ratio control valve, 62...
...Valve that opens when warmed up.
Claims (1)
することにより空燃比を制御するようにした気化
器付き内燃機関において、酸素濃度センサの出力
に基づいて制御される第１の弁を介して空気を供
給されるエアブリード通路と、該エアブリード通
路に連結され且つ機関暖機時における所定温度以
上で開放し、所定温度以下で閉じる第２の弁を介
して空気を供給されるサブエアブリード通路とを
設けたことを特徴とする内燃機関の空燃比制御装
置。 In an internal combustion engine with a carburetor in which the air-fuel ratio is controlled by making the amount of air bleed supplied to the fuel passage variable, air is supplied through a first valve that is controlled based on the output of an oxygen concentration sensor. an air bleed passage to which air is supplied, and a sub-air bleed passage to which air is supplied via a second valve connected to the air bleed passage, which opens at a predetermined temperature or higher and closes at a predetermined temperature or lower during engine warm-up; An air-fuel ratio control device for an internal combustion engine, characterized in that it is provided with:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18371487U JPH0188050U (en) | 1987-12-03 | 1987-12-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18371487U JPH0188050U (en) | 1987-12-03 | 1987-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0188050U true JPH0188050U (en) | 1989-06-09 |
Family
ID=31475126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18371487U Pending JPH0188050U (en) | 1987-12-03 | 1987-12-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0188050U (en) |
-
1987
- 1987-12-03 JP JP18371487U patent/JPH0188050U/ja active Pending
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