EP1234975A3 - Hochdruck-Kolbenzylindereinheit - Google Patents

Hochdruck-Kolbenzylindereinheit Download PDF

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Publication number
EP1234975A3
EP1234975A3 EP02405048A EP02405048A EP1234975A3 EP 1234975 A3 EP1234975 A3 EP 1234975A3 EP 02405048 A EP02405048 A EP 02405048A EP 02405048 A EP02405048 A EP 02405048A EP 1234975 A3 EP1234975 A3 EP 1234975A3
Authority
EP
European Patent Office
Prior art keywords
cylinder
piston
fuel supply
cylinder unit
pressure
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
EP02405048A
Other languages
English (en)
French (fr)
Other versions
EP1234975A2 (de
EP1234975B1 (de
Inventor
Roland Alder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wartsila NSD Schweiz AG
Original Assignee
Wartsila NSD Schweiz AG
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 Wartsila NSD Schweiz AG filed Critical Wartsila NSD Schweiz AG
Priority to EP02405048A priority Critical patent/EP1234975B1/de
Publication of EP1234975A2 publication Critical patent/EP1234975A2/de
Publication of EP1234975A3 publication Critical patent/EP1234975A3/de
Application granted granted Critical
Publication of EP1234975B1 publication Critical patent/EP1234975B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0001—Fuel-injection apparatus with specially arranged lubricating system, e.g. by fuel oil

Abstract

Hochdruck-Kolbenzylindereinheit (1), insbesondere Hochdruck-Förderpumpe für eine Brennkraftmaschine, umfassend einen Zylinder (3) mit Zylinderbohrung (3a) und einen darin in einer Verschiebungsrichtung (V) beweglich geführten Kolben (2), wobei der Zylinder (3) eine in die Zylinderbohrung (3a) mündende Brennstoffzuführöffnung (3b) aufweist, und wobei die Zylinderbohrung (3a) zwischen der Brennstoffzuführöffnung (3b) und dem niederdruckseitigen Ende (3d) eine Bohrungslänge (F) aufweist, und wobei der Kolben (2) oder die Zylinderbohrung (3a) zumindest eine erste und eine zweite Quernut (2c,2d) aufweist, welche in Verschiebungsrichtung (V) derart beabstandet sind, dass die erste Quernut (2c) über einen Verbindungskanal (2b) fluidleitend mit der Brennstoffzuführöffnung (3b) verbunden ist, und dass die zweite Quernut (2d) über einen Verbindungskanal (2c) fluidleitend mit dem niederdruckseitigen Ende (3d) verbunden ist.
EP02405048A 2001-02-26 2002-01-28 Hochdruck-Kolbenzylindereinheit Expired - Lifetime EP1234975B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02405048A EP1234975B1 (de) 2001-02-26 2002-01-28 Hochdruck-Kolbenzylindereinheit

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01810197 2001-02-26
EP01810197 2001-02-26
EP02405048A EP1234975B1 (de) 2001-02-26 2002-01-28 Hochdruck-Kolbenzylindereinheit

Publications (3)

Publication Number Publication Date
EP1234975A2 EP1234975A2 (de) 2002-08-28
EP1234975A3 true EP1234975A3 (de) 2004-08-11
EP1234975B1 EP1234975B1 (de) 2005-11-02

Family

ID=8183760

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02405048A Expired - Lifetime EP1234975B1 (de) 2001-02-26 2002-01-28 Hochdruck-Kolbenzylindereinheit

Country Status (7)

Country Link
EP (1) EP1234975B1 (de)
JP (1) JP4111716B2 (de)
KR (1) KR100773437B1 (de)
CN (1) CN1280537C (de)
DE (1) DE50204735D1 (de)
DK (1) DK1234975T3 (de)
PL (1) PL199298B1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006016702A1 (de) * 2006-04-08 2007-10-18 Man Diesel Se Kraftstoffgespülte Kolbenpumpe
JP4625789B2 (ja) 2006-07-20 2011-02-02 日立オートモティブシステムズ株式会社 高圧燃料ポンプ
EP1881189B1 (de) * 2006-07-21 2014-10-29 Continental Automotive GmbH Kolben-Zylinder-Aggregat und hydraulisches kompensationsvorrichtung
DE102006040468A1 (de) * 2006-08-29 2008-03-06 Man Diesel Se Kolbenpumpe mit Ablagerungsschutz
JP4650403B2 (ja) * 2006-11-27 2011-03-16 株式会社デンソー サプライポンプ
DE102007019909B4 (de) * 2007-04-27 2019-07-11 Man Energy Solutions Se Kraftstoffpumpe mit Leckagenuten
JP4842293B2 (ja) * 2008-04-02 2011-12-21 株式会社日本自動車部品総合研究所 燃料噴射弁
KR101400580B1 (ko) * 2010-01-15 2014-07-01 현대중공업 주식회사 연료분사펌프의 분사장치
KR101219987B1 (ko) 2011-04-28 2013-01-09 현대중공업 주식회사 윤활유 유로를 갖는 플런저를 포함한 연료분사펌프와 이를 구비한 디젤엔진
EP2530316A1 (de) * 2011-06-02 2012-12-05 Delphi Technologies Holding S.à.r.l. Kraftstoffpumpenschmierung
EP2530315A1 (de) 2011-06-02 2012-12-05 Delphi Technologies Holding S.à.r.l. Kraftstoffpumpenschmierung
DE102012223334A1 (de) 2012-12-17 2014-06-18 Robert Bosch Gmbh Kolbenzylindereinheit
KR101450771B1 (ko) * 2013-02-25 2014-10-16 한국기계연구원 실린더와 피스톤의 마모방지 구조 및 이를 포함하는 피스톤 펌프
GB201402535D0 (en) * 2014-02-13 2014-04-02 Delphi Int Operations Luxembourg Sarl Fuel pump
DE102014010718B4 (de) * 2014-07-19 2020-03-19 Woodward L'orange Gmbh Kolbenpumpe für ein Kraftstoffeinspritzsystem
DE102015016314A1 (de) * 2015-12-15 2017-06-22 L'orange Gmbh Kolbenpumpe
DE102017207044B4 (de) * 2017-04-26 2023-12-28 Vitesco Technologies GmbH Kraftstoffhochdruckpumpe für ein Kraftstoffeinspritzsystem
JP7465977B2 (ja) 2020-08-04 2024-04-11 京セラ株式会社 摺動装置、プランジャポンプ、送液装置および液体クロマトグラフィー装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT307808B (de) * 1971-04-09 1973-06-12 Friedmann & Maier Ag Einspritzpumpe
WO1989010479A1 (en) * 1988-04-22 1989-11-02 Hei-Tech B.V. High-pressure piston cylinder unit
WO1989011035A1 (en) * 1988-05-09 1989-11-16 Hei-Tech B.V. Plunger pump arrangement

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT307808B (de) * 1971-04-09 1973-06-12 Friedmann & Maier Ag Einspritzpumpe
WO1989010479A1 (en) * 1988-04-22 1989-11-02 Hei-Tech B.V. High-pressure piston cylinder unit
WO1989011035A1 (en) * 1988-05-09 1989-11-16 Hei-Tech B.V. Plunger pump arrangement

Also Published As

Publication number Publication date
PL199298B1 (pl) 2008-09-30
KR100773437B1 (ko) 2007-11-05
KR20020070080A (ko) 2002-09-05
JP4111716B2 (ja) 2008-07-02
EP1234975A2 (de) 2002-08-28
PL352345A1 (en) 2002-09-09
EP1234975B1 (de) 2005-11-02
DE50204735D1 (de) 2005-12-08
CN1280537C (zh) 2006-10-18
DK1234975T3 (da) 2005-12-05
JP2002276508A (ja) 2002-09-25
CN1372074A (zh) 2002-10-02

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