JPH0171140U - - Google Patents
Info
- Publication number
- JPH0171140U JPH0171140U JP1987166603U JP16660387U JPH0171140U JP H0171140 U JPH0171140 U JP H0171140U JP 1987166603 U JP1987166603 U JP 1987166603U JP 16660387 U JP16660387 U JP 16660387U JP H0171140 U JPH0171140 U JP H0171140U
- Authority
- JP
- Japan
- Prior art keywords
- compressor
- engine
- pressure chamber
- exhaust gas
- 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
- 238000005192 partition Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 1
Landscapes
- High-Pressure Fuel Injection Pump Control (AREA)
- 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概略構成図、
第２図は従来の車両用ターボ過給機付エンジンに
おける燃料制限装置の概略構成図である。
１０…エンジン、１２…ターボ過給機、２４…
燃料ラツク（燃料供給制御部材）、２６…燃料供
給装置（ブーストコンペンセータ）、４４…燃料
制限部材、４８…三方弁、５０…圧縮空気源、５
４…車速スイツチ、５６…ニユートラルスイツチ
、５８…キースイツチ。
FIG. 1 is a schematic configuration diagram showing an embodiment of the present invention;
FIG. 2 is a schematic diagram of a fuel restriction device in a conventional vehicle turbocharged engine. 10...Engine, 12...Turbocharger, 24...
Fuel rack (fuel supply control member), 26... Fuel supply device (boost compensator), 44... Fuel restriction member, 48... Three-way valve, 50... Compressed air source, 5
4...Vehicle speed switch, 56...Neutral switch, 58...Key switch.
Claims (1)
スタービンと、同排気ガスタービンによつて駆動
されエンジンの給気を加圧するフンプレツサとか
らなるターボ過給機、上記エンジンに対する燃料
供給量を制御する燃料供給制御部材、上記コンプ
レツサの吐出空気圧力に応答して変位するダイヤ
フラム等の可動隔壁を具えた圧力室、及び上記コ
ンプレツサの吐出空気圧力が低いときに上記可動
隔壁に応動して上記燃料供給制御部材の燃料増量
方向への変位を制限する燃料制限部材を具えてな
るものにおいて、上記圧力室が三方弁を介してコ
ンプレツサの吐出側と圧縮空気源とに並列に接続
され、同三方弁は通常時上記圧力室をコンプレツ
サに連通させ、かつ車両の発進時にのみ同圧力室
を圧縮空気源に連通させるように作動することを
特徴とする車両用ターボ過給機付エンジン。 A turbo supercharger consisting of an exhaust gas turbine driven by the exhaust gas of the engine and a humppressor driven by the exhaust gas turbine to pressurize the air supplied to the engine, and a fuel that controls the amount of fuel supplied to the engine. a supply control member, a pressure chamber having a movable partition such as a diaphragm that is displaced in response to the discharge air pressure of the compressor, and the fuel supply control member that responds to the movable partition when the discharge air pressure of the compressor is low. The pressure chamber is connected in parallel to the discharge side of the compressor and the compressed air source via a three-way valve, and the three-way valve is normally A turbocharged engine for a vehicle, characterized in that the pressure chamber communicates with a compressor, and operates so as to communicate the pressure chamber with a compressed air source only when the vehicle starts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166603U JPH0171140U (en) | 1987-10-30 | 1987-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166603U JPH0171140U (en) | 1987-10-30 | 1987-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0171140U true JPH0171140U (en) | 1989-05-12 |
Family
ID=31454134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987166603U Pending JPH0171140U (en) | 1987-10-30 | 1987-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0171140U (en) |
-
1987
- 1987-10-30 JP JP1987166603U patent/JPH0171140U/ja active Pending
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