JPH03116763U - - Google Patents

Info

Publication number
JPH03116763U
JPH03116763U JP2674590U JP2674590U JPH03116763U JP H03116763 U JPH03116763 U JP H03116763U JP 2674590 U JP2674590 U JP 2674590U JP 2674590 U JP2674590 U JP 2674590U JP H03116763 U JPH03116763 U JP H03116763U
Authority
JP
Japan
Prior art keywords
plunger
self
injection pump
tin
base material
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
JP2674590U
Other languages
Japanese (ja)
Other versions
JP2521990Y2 (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 JP1990026745U priority Critical patent/JP2521990Y2/en
Publication of JPH03116763U publication Critical patent/JPH03116763U/ja
Application granted granted Critical
Publication of JP2521990Y2 publication Critical patent/JP2521990Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Fuel-Injection Apparatus (AREA)
  • Details Of Reciprocating Pumps (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第１実施
例の中央縦断面図、第２図はその第２実施例の中
央縦断面図である。 １……バレル、２……プランジヤ、３……軸部
、４……リード部、１０……プランジヤ母材、１
１……自溶性合金層、１２……ＴｉＮ層（セラミ
ツク層）。 FIG. 1 is a central vertical cross-sectional view of a first embodiment of the fuel injection pump of this invention, and FIG. 2 is a central vertical cross-sectional view of a second embodiment thereof. DESCRIPTION OF SYMBOLS 1... Barrel, 2... Plunger, 3... Shaft part, 4... Lead part, 10... Plunger base material, 1
1... Self-fusing alloy layer, 12... TiN layer (ceramic layer).

Claims (1)

【実用新案登録請求の範囲】 １ リード部と軸部とを有するプランジヤをバレ
ル内に摺動自在に配置して成る燃料噴射ポンプに
おいて、上記プランジヤの少なくともリード部は
、プランジヤ母材上に自溶性合金層を形成し、さ
らにその上に上記自溶性合金よりも高硬度で薄肉
のＴｉＮ等のセラミツク層を形成して成ることを
特徴とする燃料噴射ポンプ。 ２ 上記プランジヤの軸部は、母材上に自溶性合
金層を形成することなくＴｉＮ等のセラミツク層
が形成されていることを特徴とする第１請求項記
載の燃焼噴射ポンプ。[Claims for Utility Model Registration] 1. A fuel injection pump comprising a plunger having a lead portion and a shaft portion slidably disposed within a barrel, in which at least the lead portion of the plunger is self-soluble on the plunger base material. A fuel injection pump characterized in that an alloy layer is formed, and a ceramic layer made of TiN or the like which is harder and thinner than the self-fusing alloy is formed thereon. 2. The combustion injection pump according to claim 1, wherein the shaft portion of the plunger is formed with a ceramic layer such as TiN without forming a self-fusing alloy layer on the base material.
JP1990026745U 1990-03-15 1990-03-15 Fuel injection pump Expired - Lifetime JP2521990Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990026745U JP2521990Y2 (en) 1990-03-15 1990-03-15 Fuel injection pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990026745U JP2521990Y2 (en) 1990-03-15 1990-03-15 Fuel injection pump

Publications (2)

Publication Number Publication Date
JPH03116763U true JPH03116763U (en) 1991-12-03
JP2521990Y2 JP2521990Y2 (en) 1997-01-08

Family

ID=31529624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990026745U Expired - Lifetime JP2521990Y2 (en) 1990-03-15 1990-03-15 Fuel injection pump

Country Status (1)

Country Link
JP (1) JP2521990Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014109222A (en) * 2012-11-30 2014-06-12 Yanmar Co Ltd Fuel injection pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50124016A (en) * 1974-03-14 1975-09-29
JPS58146879U (en) * 1982-03-30 1983-10-03 日産自動車株式会社 fuel injection pump
JPS60118372U (en) * 1984-01-20 1985-08-10 株式会社ボッシュオートモーティブ　システム Plunger for fuel injection pump
JPS63295855A (en) * 1987-05-27 1988-12-02 Hitachi Ltd Electromagnetic fuel injection valve superior in shock and abrasion resistance

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50124016A (en) * 1974-03-14 1975-09-29
JPS58146879U (en) * 1982-03-30 1983-10-03 日産自動車株式会社 fuel injection pump
JPS60118372U (en) * 1984-01-20 1985-08-10 株式会社ボッシュオートモーティブ　システム Plunger for fuel injection pump
JPS63295855A (en) * 1987-05-27 1988-12-02 Hitachi Ltd Electromagnetic fuel injection valve superior in shock and abrasion resistance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014109222A (en) * 2012-11-30 2014-06-12 Yanmar Co Ltd Fuel injection pump

Also Published As

Publication number Publication date
JP2521990Y2 (en) 1997-01-08

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