JPS6081271U - engine fuel pump - Google Patents

engine fuel pump

Info

Publication number
JPS6081271U
JPS6081271U JP17269383U JP17269383U JPS6081271U JP S6081271 U JPS6081271 U JP S6081271U JP 17269383 U JP17269383 U JP 17269383U JP 17269383 U JP17269383 U JP 17269383U JP S6081271 U JPS6081271 U JP S6081271U
Authority
JP
Japan
Prior art keywords
fuel pump
engine fuel
chamber
inlet
diaphragm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP17269383U
Other languages
Japanese (ja)
Inventor
清水　好美
Original Assignee
富士重工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 富士重工業株式会社 filed Critical 富士重工業株式会社
Priority to JP17269383U priority Critical patent/JPS6081271U/en
Publication of JPS6081271U publication Critical patent/JPS6081271U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案燃料ポンプの一実施例を示す概略図、第
２図はポンプの拡大断面図、第３図はリーク孔の有無及
びエンジン回転数によるダイヤフラムポンプの脈動圧の
変化を示す特性図である。 １・・・クランクケース、３・・・ドレン口、４・・・
脈動圧取り出しパイプ、５・・・ダイヤフラムポンプ、
７・・・ダイヤフラム、８・・・作動室、９・・・ポン
プ室。Fig. 1 is a schematic diagram showing an embodiment of the fuel pump of the present invention, Fig. 2 is an enlarged sectional view of the pump, and Fig. 3 is a characteristic showing the presence or absence of a leak hole and the change in pulsating pressure of the diaphragm pump depending on the engine speed. It is a diagram. 1...Crankcase, 3...Drain port, 4...
Pulsating pressure extraction pipe, 5... diaphragm pump,
7...Diaphragm, 8...Working chamber, 9...Pump chamber.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ダイヤフラムにて作動室とポンプ室とを区画形成し、ポ
ンプ室に燃料流入口と吐出口とを設けて流入口にインレ
ットチェックバルブを、吐出口にアウトレットチェック
バルブを配設したものにおいて、前記作動室をクランク
ケースの貯留潤滑油中に連通し、潤滑油中からエンジン
の脈動圧を取り出し前記ダイヤフラムに作用させるよう
にしたことを特徴とするエンジンの燃料ポンプ。The actuation chamber and the pump chamber are defined by a diaphragm, the pump chamber is provided with a fuel inlet and a discharge port, and an inlet check valve is provided at the inlet and an outlet check valve is provided at the discharge port. A fuel pump for an engine, characterized in that a chamber is communicated with lubricating oil stored in a crankcase, and the pulsating pressure of the engine is extracted from the lubricating oil and applied to the diaphragm.
JP17269383U 1983-11-08 1983-11-08 engine fuel pump Pending JPS6081271U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17269383U JPS6081271U (en) 1983-11-08 1983-11-08 engine fuel pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17269383U JPS6081271U (en) 1983-11-08 1983-11-08 engine fuel pump

Publications (1)

Publication Number Publication Date
JPS6081271U true JPS6081271U (en) 1985-06-05

Family

ID=30376377

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17269383U Pending JPS6081271U (en) 1983-11-08 1983-11-08 engine fuel pump

Country Status (1)

Country Link
JP (1) JPS6081271U (en)

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