JPH01174591U

JPH01174591U -

Info

Publication number: JPH01174591U
Application number: JP7216088U
Authority: JP
Priority date: 1988-05-30
Filing date: 1988-05-30
Publication date: 1989-12-12
Anticipated expiration: 2003-05-30
Also published as: JPH0752396Y2

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例を示すインタンク
式燃料ポンプの側断面図、第２図及び第３図は第
１図におけるインタンク式燃料ポンプの構成部品
である隔離片の実施例をそれぞれ示す斜視図、第
４図はこの考案の他の実施例を示すインタンク式
燃料ポンプの部分断面図、第５図は従来のインタ
ンク式燃料ポンプの側断面図、第６図は第５図の
線―の縦断面図である。図において、１はモータ、１ａはモータ室、２
，６はポンプ、２３ａは吐出口、４は導出路、７
，９は隔離片、７ａ，９ａ，１０ａは開口、８，
１０は流路である。なお、各図中同一符号は同一
又は相当部分を示す。 Fig. 1 is a side sectional view of an in-tank fuel pump showing an embodiment of this invention, and Figs. 2 and 3 show an embodiment of the isolation piece which is a component of the in-tank fuel pump in Fig. 1. FIG. 4 is a partial sectional view of an in-tank fuel pump showing another embodiment of this invention, FIG. 5 is a side sectional view of a conventional in-tank fuel pump, and FIG. 6 is a partial sectional view of a conventional in-tank fuel pump. FIG. In the figure, 1 is a motor, 1a is a motor chamber, 2
, 6 is the pump, 23a is the discharge port, 4 is the outlet path, 7
, 9 is an isolation piece, 7a, 9a, 10a are openings, 8,
10 is a flow path. Note that the same reference numerals in each figure indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

a motor case forming the exterior of the motor; a pump driven by the motor having a discharge port into the motor case; a lead-out path for delivering fuel from the inside of the motor case to the outside of the motor case;
A flow path is formed between the outlet path and the discharge port to be isolated from the interior of the motor case, and an opening is provided in the flow path to allow passage of fuel necessary for cooling the motor. In-tank fuel pump.