JPH0283367U

JPH0283367U -

Info

Publication number: JPH0283367U
Application number: JP16289388U
Authority: JP
Priority date: 1988-12-15
Filing date: 1988-12-15
Publication date: 1990-06-27
Anticipated expiration: 2003-03-19
Also published as: JPH0511337Y2

Description

[Brief explanation of drawings]

添付図面は本考案の実施例を示し、第１図は縦
断正面図、第２図は同一部の拡大縦断正面図、第
３図は有底容器４を第２図Ａ―Ａ線で切断した平
面図、第４図は本考案の作用の一部を説明した縦
断正面図、第５図は他の実施例の縦断正面図であ
る。１→車両用燃料タンク、３→密閉蓋、４→有底
容器、５→燃料通路壁、６→出入口、７→連通口
、８→第１底壁、９→第２底壁、１０→間隔、１
１→取付開口、１３→透孔、１４→燃料ポンプ、
１５→吸込口、１７→送給チユーブ、１８→リタ
ーンチユーブ、１９→吸込チユーブ、２１→ポン
プ構成チユーブ、２２→ベンチユリー部、２４→
ポンプ、２５→チエツクバルブ。 The attached drawings show an embodiment of the present invention, in which Fig. 1 is a longitudinal sectional front view, Fig. 2 is an enlarged longitudinal sectional front view of the same part, and Fig. 3 is a bottomed container 4 cut along the line AA in Fig. 2. A plan view, FIG. 4 is a longitudinal sectional front view illustrating a part of the function of the present invention, and FIG. 5 is a longitudinal sectional front view of another embodiment. 1 → Vehicle fuel tank, 3 → Airtight lid, 4 → Bottomed container, 5 → Fuel passage wall, 6 → Entrance/exit, 7 → Communication port, 8 → First bottom wall, 9 → Second bottom wall, 10 → Interval ,1
1 → installation opening, 13 → through hole, 14 → fuel pump,
15→Suction port, 17→Feeding tube, 18→Return tube, 19→Suction tube, 21→Pump configuration tube, 22→Ventiary part, 24→
Pump, 25 → check valve.

Claims

[Scope of utility model registration request]

A cylinder that is suspended from the airtight lid of a vehicle fuel tank, and that forms a fuel passage wall that surrounds approximately half its circumference, has an entrance and exit close to the inner bottom of the fuel tank at its outer end, and a communication port at its base end. A shaped bottomed container is provided with a first bottom wall and a second bottom wall, and a fuel pump is fixed to the bottomed container on or above the first bottom wall, and the fuel pump is fixed to the bottomed container on the first bottom wall or above the first bottom wall. an opening protruding into a space between the first and second bottom walls, a hole communicating with the space in the first bottom wall, and a connecting port in the fuel passage wall communicating with the space; At the same time, a return tube is made to face inside the bottomed container, and the other end of the suction tube, which has one end opened at the bottom of the fuel tank, is connected to the return tube, and the suction tube is connected to the connection part by the fuel flow of the return tube. A pump mechanism is provided to suck the fuel from the bottom of the fuel tank into a bottomed container through the gap, and a check valve is installed between the gap and the communication port in the fuel passage wall to prevent fuel from flowing out from the gap. A fuel pump unit featuring: