JPH0287960U - - Google Patents

Info

Publication number
JPH0287960U
JPH0287960U JP16855188U JP16855188U JPH0287960U JP H0287960 U JPH0287960 U JP H0287960U JP 16855188 U JP16855188 U JP 16855188U JP 16855188 U JP16855188 U JP 16855188U JP H0287960 U JPH0287960 U JP H0287960U
Authority
JP
Japan
Prior art keywords
plunger
barrel
injection pump
fuel injection
hardened
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.)
Granted
Application number
JP16855188U
Other languages
Japanese (ja)
Other versions
JP2512177Y2 (en
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 filed Critical
Priority to JP1988168551U priority Critical patent/JP2512177Y2/en
Publication of JPH0287960U publication Critical patent/JPH0287960U/ja
Application granted granted Critical
Publication of JP2512177Y2 publication Critical patent/JP2512177Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Fuel-Injection Apparatus (AREA)

Description

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

第１図はこの考案の燃料噴射ポンプの一実施例
の要部を示す中央縦断面図、第２図は従来例の中
央縦断面図である。 １……バレル、２……プランジヤ、６……スリ
ーブ、９……リード部、１２……ＴｉＮコーテイ
ング層（硬化部）。 FIG. 1 is a central vertical cross-sectional view showing essential parts of an embodiment of the fuel injection pump of this invention, and FIG. 2 is a central vertical cross-sectional view of a conventional example. DESCRIPTION OF SYMBOLS 1... Barrel, 2... Plunger, 6... Sleeve, 9... Lead part, 12... TiN coating layer (hardened part).

Claims (1)

【実用新案登録請求の範囲】 １ バレル内でプランジヤを往復駆動して燃料吐
出を行う燃料噴射ポンプにおいて、プランジヤの
リード部近傍を自溶性合金にて形成したことを特
徴とする燃料噴射ポンプ。 ２ 上記バレルの内周部におけるリード部摺接部
には、ＴｉＮコーテイング層、ビーム焼入部等の
硬化部を形成したことを特徴とする第１請求項記
載の燃料噴射ポンプ。[Claims for Utility Model Registration] 1. A fuel injection pump that discharges fuel by reciprocating a plunger within a barrel, characterized in that the vicinity of the lead portion of the plunger is made of a self-fusing alloy. 2. The fuel injection pump according to claim 1, wherein a hardened portion such as a TiN coating layer or a beam hardened portion is formed on the sliding contact portion of the lead portion in the inner peripheral portion of the barrel.
JP1988168551U 1988-12-26 1988-12-26 Fuel injection pump Expired - Lifetime JP2512177Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988168551U JP2512177Y2 (en) 1988-12-26 1988-12-26 Fuel injection pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988168551U JP2512177Y2 (en) 1988-12-26 1988-12-26 Fuel injection pump

Publications (2)

Publication Number Publication Date
JPH0287960U true JPH0287960U (en) 1990-07-12
JP2512177Y2 JP2512177Y2 (en) 1996-09-25

Family

ID=31457828

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988168551U Expired - Lifetime JP2512177Y2 (en) 1988-12-26 1988-12-26 Fuel injection pump

Country Status (1)

Country Link
JP (1) JP2512177Y2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4963320U (en) * 1972-09-19 1974-06-04
JPS5239925U (en) * 1975-09-12 1977-03-22
JPS6028269U (en) * 1983-08-02 1985-02-26 三菱重工業株式会社 fuel injection pump
JPS6271369U (en) * 1985-10-23 1987-05-07

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4963320U (en) * 1972-09-19 1974-06-04
JPS5239925U (en) * 1975-09-12 1977-03-22
JPS6028269U (en) * 1983-08-02 1985-02-26 三菱重工業株式会社 fuel injection pump
JPS6271369U (en) * 1985-10-23 1987-05-07

Also Published As

Publication number Publication date
JP2512177Y2 (en) 1996-09-25

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