JPH0287958U

JPH0287958U -

Info

Publication number: JPH0287958U
Application number: JP16881388U
Authority: JP
Priority date: 1988-12-26
Filing date: 1988-12-26
Publication date: 1990-07-12

Description

[Brief explanation of drawings]

第１図は本考案の一実施例であるトロコイドポ
ンプを示す一部切断正面図、第２図はその燃料排
出路を示す側面断面図、第３図は同じく燃料排出
路を示す斜視図、第４図および第５図はスプリン
グシートの他の実施例を示す各拡大部分断面図で
ある。１……ハウジング、２……カムリング、３……
端板、４……回転軸、５……外側歯車回転子、６
……凹部、７……内側歯車回転子、８……凸部、
１１……吸入口、１２……導出口、１３……ウエ
アプレート、１４……バイアス手段、１５……吐
出室、１６……連絡路、１７……ドライブドツグ
、１７ａ……回り止め部、１８……凸部、１９…
…モータのロータコア、２０……ジロータシール
、２１……シールサポート、２２……ジロータリ
テーナ、２３……燃料排出路、２４……リリーフ
バルブ、２５……スプリング、２６……スプリン
グシート、２７……吐出口、２８……弁口、２９
，３０……凹部、３１……タンク。 FIG. 1 is a partially cutaway front view showing a trochoid pump which is an embodiment of the present invention, FIG. 4 and 5 are enlarged partial sectional views showing other embodiments of the spring seat. 1...Housing, 2...Cam ring, 3...
End plate, 4... Rotating shaft, 5... Outer gear rotor, 6
...Concave portion, 7...Inner gear rotor, 8...Convex portion,
DESCRIPTION OF SYMBOLS 11... Suction port, 12... Outlet port, 13... Wear plate, 14... Bias means, 15... Discharge chamber, 16... Communication path, 17... Drive dog, 17a... Rotation prevention part, 18... ...Protrusion, 19...
...Motor rotor core, 20...Gerotor seal, 21...Seal support, 22...Gerotary retainer, 23...Fuel exhaust passage, 24...Relief valve, 25...Spring, 26...Spring seat, 27... Discharge port, 28...Valve port, 29
, 30... recess, 31... tank.

Claims

[Scope of utility model registration request]

In a fuel supply pump in which a fuel discharge passage for discharging fuel is provided vertically toward the bottom of the tank, the bottom of the fuel discharge passage facing the tank bottom is closed, and A fuel supply pump characterized by having a discharge port on the side.