JPS63130656U

JPS63130656U -

Info

Publication number: JPS63130656U
Application number: JP2209687U
Authority: JP
Priority date: 1987-02-19
Filing date: 1987-02-19
Publication date: 1988-08-26

Description

[Brief explanation of drawings]

第１図は本考案が適用される液面制御式燃料供
給装置の断面図、第２図はスローのレベルセンサ
ー部付近の拡大図、第３図〜第５図は本考案の各
実施例を示す断面図である。１……主吸気通路、２……スロツトルバルブ、
３……制御バルブ、１２……スロー吸気通路、１
４……メイン燃料通路、１５……メインセンシン
グ通路、１７……メイン制御ソレノイド弁、２１
……スロー制御ソレノイド弁、２２……スローセ
ンシング通路、１６，２３……レベルセンサー、
１９……スロー燃料通路、２８，３１，３２……
ブリードパイプ。 Fig. 1 is a sectional view of a liquid level control type fuel supply device to which the present invention is applied, Fig. 2 is an enlarged view of the vicinity of the slow level sensor section, and Figs. 3 to 5 show each embodiment of the present invention. FIG. 1... Main intake passage, 2... Throttle valve,
3...Control valve, 12...Slow intake passage, 1
4... Main fuel passage, 15... Main sensing passage, 17... Main control solenoid valve, 21
... Slow control solenoid valve, 22 ... Slow sensing passage, 16, 23 ... Level sensor,
19... Slow fuel passage, 28, 31, 32...
bleed pipe.

Claims

[Scope of utility model registration request]

Throttle valve 2 located in main intake passage 1
, a control valve 3 with a negative pressure response device 4, a slow intake passage 12 that bypasses the main intake passage 1 across its upstream and downstream sides when the control valve 3 is fully closed, and a slow intake passage 12 that bypasses the main intake passage 1, and A main sensing passage 15 has one end open to the main intake passage 1 and the other end communicates with the main fuel passage 14, and one end opens to the slow intake passage 12 and the other end communicates with the slow fuel passage 19.
a slow sensing passage 22 communicating with the main sensing passage 15 and the slow sensing passage 22;
Level sensors 16 and 23 respectively placed in
, a main control solenoid valve 17 disposed in a communication passage between the main fuel passage 14 and the fuel well 18 , a slow control solenoid valve 21 disposed in a communication passage between the slow fuel passage 19 and the fuel well 18 ,
Slow system fuel discharge port 2 communicating with fuel well 18
In a liquid level control type fuel supply device consisting of 7,
A bleed pipe whose one end is located near the top of the reference oil level detected by the slow level sensor 23 in the slow sensing passage 22, and an air jet 24 that communicates the passage 22 with the atmosphere.
A liquid level control type fuel supply device characterized by arranging.