JPH0484758U

JPH0484758U -

Info

Publication number: JPH0484758U
Application number: JP12838990U
Authority: JP
Priority date: 1990-11-30
Filing date: 1990-11-30
Publication date: 1992-07-23

Description

[Brief explanation of drawings]

第１図ないし第３図は本考案の実施例を示し、
第１図はタービン型燃料ポンプの斜視図、第２図
はタービン型燃料ポンプを示す第１図中の矢示
−方向拡大断面図、第３図はケーシング本体お
よびポンプハウジングの分解斜視図、第４図ない
し第６図は従来技術を示し、第４図はタービン型
燃料ポンプを示す第５図中の矢示−線に沿つ
た縦断面図、第５図はタービン型燃料ポンプの斜
視図、第６図はケーシング本体およびポンプハウ
ジングの分解斜視図である。１……ケーシング本体、１Ａ……凸部、２……
エンドカバー、５……内側ハウジング、５Ａ，３
１Ａ……衝合面、５Ｃ，３１Ｃ……凹部、１２…
…タービンベーン（タービン）、１６……電動モ
ータ、３１……外側ハウジング、３２……ポンプ
ハウジング、３４……ベーパ排出溝。 1 to 3 show embodiments of the present invention,
FIG. 1 is a perspective view of a turbine-type fuel pump, FIG. 2 is an enlarged sectional view of the turbine-type fuel pump in the direction of the arrow in FIG. 1, FIG. 3 is an exploded perspective view of the casing body and pump housing, 4 to 6 show the prior art, FIG. 4 is a longitudinal sectional view taken along the arrow line in FIG. 5 showing a turbine-type fuel pump, and FIG. 5 is a perspective view of the turbine-type fuel pump. FIG. 6 is an exploded perspective view of the casing body and pump housing. 1...Casing body, 1A...Protrusion, 2...
End cover, 5...Inner housing, 5A, 3
1A...Abutment surface, 5C, 31C...Concave portion, 12...
... Turbine vane (turbine), 16 ... Electric motor, 31 ... Outer housing, 32 ... Pump housing, 34 ... Vapor discharge groove.

Claims

[Scope of utility model registration request]

A pump housing formed by abutting a cylindrical casing body, an end cover with one end of the casing body covered, and an inner housing and an outer housing, with the other end of the casing body covered. a turbine located within the pump housing and rotatably disposed between the inner housing and the outer housing; a turbine located within the casing body between the end cover and the pump housing; The pump housing has a recess for positioning formed on the outer peripheral surfaces of the inner housing and the outer housing, and a projection provided on the inner periphery of the other end of the casing body is connected to the recess. A fuel pump in which the inner housing and the outer housing are positioned by engaging with each other,
The turbine type, characterized in that the pump housing is formed with a vapor discharge groove that opens at the position of the recess on the abutment surface of the inner housing and the outer housing, and discharges vapor generated within the pump housing to the outside. Fuel pump.