JPS62190888U

JPS62190888U -

Info

Publication number: JPS62190888U
Application number: JP7876786U
Authority: JP
Priority date: 1986-05-27
Filing date: 1986-05-27
Publication date: 1987-12-04

Description

[Brief explanation of the drawing]

第１図は本考案にかかる一実施例を示す目詰防
止部材をカバー部材に装着した状態の斜視図、第
２図はタービン型燃料ポンプの構成を説明する断
面図、第３図は従来のカバー部材の斜視図、第４
図はインペラの羽根を示す部分斜視図である。１……ケーシング、３……電動モータ、４……
固定シヤフト、１０……吸入口、１１……ポンプ
ハウジング、１３……インペラ、１４……溝、１
４ａ……羽根、１９……ハウジング、２０……吐
出ポート、２１……チエツクバルブ、３０……目
詰防止部材、３１……凹部、３１ａ……小凹部、
３２……支持部、３３……仕切壁、３４……小孔
。 Fig. 1 is a perspective view showing an embodiment of the present invention in which a clogging prevention member is attached to a cover member, Fig. 2 is a sectional view illustrating the configuration of a turbine-type fuel pump, and Fig. 3 is a conventional one. Perspective view of cover member, fourth
The figure is a partial perspective view showing the impeller blades. 1... Casing, 3... Electric motor, 4...
Fixed shaft, 10... Suction port, 11... Pump housing, 13... Impeller, 14... Groove, 1
4a...Blade, 19...Housing, 20...Discharge port, 21...Check valve, 30...Clogging prevention member, 31...Recess, 31a...Small recess,
32...Support part, 33...Partition wall, 34...Small hole.

Claims

[Claim for Utility Model Registration] A pump chamber having a suction port on the outer wall and a discharge port on the inner wall is provided on one cover member attached to cover one open end of a cylindrical casing. an impeller rotatably driven by an electric motor built in the casing is installed in the pump chamber, and at the center of a cover member on the other side that is attached to cover the other open end of the casing,
A discharge port connected to an external fuel passage and equipped with a check valve is formed, and as the impeller rotates, the fuel sucked in from the suction port is transferred to the rotary force of a large number of grooves formed radially around the impeller. in a turbine-type fuel pump configured to forcefully feed fuel from a discharge port of a pump chamber through an inner space of a casing and from the discharge port to an external passageway, the fuel pump being mounted in contact with an inner wall of the cover member on the other side; The armature of the electric motor for driving the impeller is rotatably supported by a fixed shaft. A recess formed in a conical shape so as to increase in size is partitioned into a plurality of small recesses by a plurality of partition walls extending radially from an outer peripheral wall of the support part, and an outer periphery of the support part of each of the small recesses. A clogging prevention structure for a turbine type fuel pump, characterized in that a clogging prevention member is provided having a communication hole that communicates with the discharge port from the deepest part in contact with a wall.