JPS6334388U

JPS6334388U -

Info

Publication number: JPS6334388U
Application number: JP12666786U
Authority: JP
Priority date: 1986-08-20
Filing date: 1986-08-20
Publication date: 1988-03-05

Description

[Brief explanation of the drawing]

第１図及び第２図は本考案の一実施例を示し、
第１図は第４図と同様位置で示す燃料ポンプの断
面図、第２図は第１図中の―矢示方向拡大断
面図、第３図ないし第５図は先行技術を示し、第
３図は先行技術による燃料ポンプの縦断面図、第
４図は第３図中の―矢示方向拡大断面図、第
５図は第４図中の―矢示方向拡大断面図であ
る。１……ケーシング本体、５……タービン型ポン
プ部、６……タービン、８……燃料流路、９……
吸込口、１０……リターン口、１１……吐出口、
１３……弁室、１４……リード弁、３１……ポン
プハウジング、３２……ストツパ片。 1 and 2 show an embodiment of the present invention,
FIG. 1 is a sectional view of the fuel pump shown in the same position as FIG. 4, FIG. 2 is an enlarged sectional view in the direction of the - arrow in FIG. 4 is an enlarged sectional view in the direction indicated by the arrow in FIG. 3, and FIG. 5 is an enlarged sectional view in the direction indicated by the arrow in FIG. 4. DESCRIPTION OF SYMBOLS 1... Casing main body, 5... Turbine type pump part, 6... Turbine, 8... Fuel flow path, 9...
Suction port, 10...Return port, 11...Discharge port,
13... Valve chamber, 14... Reed valve, 31... Pump housing, 32... Stopper piece.

Claims

[Scope of utility model registration request]

a pump housing that covers one side of the casing body; a turbine-type pump section that is provided within the pump housing and that pumps fuel from one side of the casing body to the other side; In a fuel pump comprising an electric motor that rotationally drives a turbine type pump part, the turbine type pump part includes a turbine rotatably disposed within the pump housing, and a turbine located on the outer peripheral side of the turbine and connected to the pump housing. and a fuel passage whose starting end communicates with the suction port and whose terminal end communicates with the discharge port and the return port which face each other via the turbine, and the fuel passage is located at the terminal end of the fuel passage and is connected to the A valve chamber that opens to the return port is provided in the pump housing facing the turbine, a reed valve that opens and closes the return port is provided in the valve chamber, and a valve chamber that opens and closes the return port is provided in the pump housing. 1. A fuel pump characterized in that a stopper portion is provided to prevent the reed valve from rising.