JPS6331250U - - Google Patents
Info
- Publication number
- JPS6331250U JPS6331250U JP12561886U JP12561886U JPS6331250U JP S6331250 U JPS6331250 U JP S6331250U JP 12561886 U JP12561886 U JP 12561886U JP 12561886 U JP12561886 U JP 12561886U JP S6331250 U JPS6331250 U JP S6331250U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- air
- control device
- fuel ratio
- ratio control
- 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 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図は本考案の一実施例を示す全体構成図、
第２図は従来例を示す全体構成図である。
２……絞弁、３……空気通路、４……ベンチユ
リー部、５……燃料通路、６……噴出口、７……
ダイヤフラム装置、８……燃料流量制御バルブ、
９……ソレノイドバルブ、１１……吸気管、１２
……負圧導入管、１３……負圧室、２１……コン
トロールユニツト、２３……Ｏ２センサ、３４，
３６……チエツク弁、３５……負圧導入管。
FIG. 1 is an overall configuration diagram showing an embodiment of the present invention;
FIG. 2 is an overall configuration diagram showing a conventional example. 2... Throttle valve, 3... Air passage, 4... Ventilation section, 5... Fuel passage, 6... Spout port, 7...
diaphragm device, 8... fuel flow control valve,
9...Solenoid valve, 11...Intake pipe, 12
... Negative pressure introduction pipe, 13 ... Negative pressure chamber, 21 ... Control unit, 23 ... O 2 sensor, 34,
36...Check valve, 35...Negative pressure introduction pipe.
Claims (1)
このベンチユリー部に形成された燃料噴出口に燃
料流量制御バルブを接続し、この燃料流量制御バ
ルブを駆動するダイヤフラム装置と、このダイヤ
フラム装置に導かれる負圧を大気圧で希釈するソ
レノイドバルブとを設け、このソレノイドバルブ
を機関運転状態に応じて制御するＬＰＧ内燃機関
の空燃比制御装置において、前記ソレノイドバル
ブに負圧を導く通路をチエツク弁を介しが絞弁下
流側の吸気管に連通するとともに、同じくチエツ
ク弁を介して前記ベンチユリー部に連通したこと
を特徴とするＬＰＧ内燃機関の空燃比制御装置。 A ventilator is provided in the air passage upstream of the throttle valve.
A fuel flow control valve is connected to the fuel injection port formed in this ventilate part, and a diaphragm device that drives this fuel flow control valve and a solenoid valve that dilutes the negative pressure led to this diaphragm device with atmospheric pressure are provided. In an air-fuel ratio control device for an LPG internal combustion engine that controls the solenoid valve according to engine operating conditions, a passage introducing negative pressure to the solenoid valve communicates with an intake pipe downstream of the throttle valve through a check valve, and An air-fuel ratio control device for an LPG internal combustion engine, characterized in that the air-fuel ratio control device communicates with the ventilary portion via a check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12561886U JPS6331250U (en) | 1986-08-18 | 1986-08-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12561886U JPS6331250U (en) | 1986-08-18 | 1986-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6331250U true JPS6331250U (en) | 1988-02-29 |
Family
ID=31018669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12561886U Pending JPS6331250U (en) | 1986-08-18 | 1986-08-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6331250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0490013U (en) * | 1990-12-11 | 1992-08-06 |
-
1986
- 1986-08-18 JP JP12561886U patent/JPS6331250U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0490013U (en) * | 1990-12-11 | 1992-08-06 |
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