JPS6218367U

JPS6218367U -

Info

Publication number: JPS6218367U
Application number: JP11077385U
Authority: JP
Priority date: 1985-07-19
Filing date: 1985-07-19
Publication date: 1987-02-03

Description

[Brief explanation of drawings]

第１図は従来の内燃機関の燃料供給系統を示す
概略図、第２図は本考案における燃料供給系統の
一実施例の概略図である。１……燃料タンク、５……燃料噴射ポンプ、８
……サブ燃料供給パイプ、９……補助タンク、１
０……燃料供給パイプ、１１……サブリターンパ
イプ、１２……リターンパイプ、８０，１００，
１１０，１２０……先端開口部。 FIG. 1 is a schematic diagram showing a conventional fuel supply system for an internal combustion engine, and FIG. 2 is a schematic diagram of an embodiment of the fuel supply system according to the present invention. 1...Fuel tank, 5...Fuel injection pump, 8
...Sub fuel supply pipe, 9 ...Auxiliary tank, 1
0...Fuel supply pipe, 11...Sub return pipe, 12...Return pipe, 80,100,
110, 120...Tip opening.

Claims

[Scope of utility model registration request]

In a fuel supply system for an internal combustion engine that supplies fuel from a fuel tank to a fuel injection pump and returns excess fuel that is not supplied to the injection nozzle from the fuel injection pump to the fuel tank, an auxiliary tank is provided above the fuel injection pump, Furthermore, a sub-fuel supply pipe for introducing fuel from the fuel tank into the auxiliary tank is provided at the top of the auxiliary tank, and a fuel supply pipe for transporting the fuel in the auxiliary tank to the fuel injection pump from the bottom of the auxiliary tank. , a sub-return pipe for conveying excess fuel from the fuel injection pump to the lower part of the auxiliary tank, and a return pipe for returning the fuel in the auxiliary tank to the fuel tank from the upper part of the auxiliary tank; , the tip opening of the return pipe in the auxiliary tank is provided above the tip opening of the sub-fuel supply pipe in the auxiliary tank, and the tip opening of the sub-fuel supply pipe in the auxiliary tank is provided above the tip opening in the auxiliary tank of the sub-fuel supply pipe. A fuel supply system for an internal combustion engine, characterized in that the pipe and the sub-return pipe are provided above the opening at the end of the pipe and the sub-return pipe in an auxiliary tank.