JPH0444493U

JPH0444493U -

Info

Publication number: JPH0444493U
Application number: JP8557390U
Authority: JP
Priority date: 1990-08-13
Filing date: 1990-08-13
Publication date: 1992-04-15

Description

[Brief explanation of the drawing]

第１図ないし第４図は本考案の実施例を示し、
第１図は突壁部にシール円板を取付けた状態を示
す斜視図、第２図は第１図中のシール円板等を除
いた状態を示す斜視図、第３図はシール円板を取
付けた状態で示す第１図中の矢示−方向断面
図、第４図は第１図中の矢示−方向断面図、
第５図および第６図は従来技術を示し、第５図は
燃料ポンプの縦断面図、第６図は第５図中の矢示
−方向拡大断面図である。２……ケーシング本体、４……ポンプハウジン
グ、１１……電動モータ、１３……タービンベー
ン、１６……吐出口、２１……外側ハウジング、
２３……吸込口、２４……突壁部、２８……シー
ル円板、３１……ばね、ｔ……ラジアルクリアラ
ンス。 1 to 4 show embodiments of the present invention,
Fig. 1 is a perspective view showing the state in which the seal disc is attached to the projecting wall, Fig. 2 is a perspective view showing the state in which the seal disc etc. in Fig. 1 are removed, and Fig. 3 is a perspective view showing the state in which the seal disc etc. are removed from the projecting wall. A sectional view in the direction of the arrow in FIG. 1 showing the installed state, FIG. 4 is a sectional view in the direction of the arrow in FIG. 1,
5 and 6 show the prior art, FIG. 5 is a longitudinal sectional view of a fuel pump, and FIG. 6 is an enlarged sectional view in the direction of the arrow in FIG. 2...Casing body, 4...Pump housing, 11...Electric motor, 13...Turbine vane, 16...Discharge port, 21...Outer housing,
23...Suction port, 24...Protruding wall portion, 28...Seal disc, 31...Spring, t...Radial clearance.

Claims

[Scope of utility model registration request]

A casing body, a pump housing with one side of the casing body covered, an electric motor provided in the casing body, and a pump provided in the pump housing and rotated by the electric motor, In a turbine-type fuel pump comprising a turbine vane that discharges fuel sucked in from a suction port from a discharge port, a protruding wall portion formed to protrude radially inward between the suction port and the discharge port of the pump housing. a sealing disc disposed within the projecting wall and displaceable in the radial direction; and a sealing disc configured to seal between the suction port and the discharge port with the sealing disc. A turbine-type fuel pump comprising: a spring that constantly biases the turbine vane toward an outer circumferential side thereof.