JP2008274934A - 燃料ポンプ - Google Patents
燃料ポンプ Download PDFInfo
- Publication number
- JP2008274934A JP2008274934A JP2008103798A JP2008103798A JP2008274934A JP 2008274934 A JP2008274934 A JP 2008274934A JP 2008103798 A JP2008103798 A JP 2008103798A JP 2008103798 A JP2008103798 A JP 2008103798A JP 2008274934 A JP2008274934 A JP 2008274934A
- Authority
- JP
- Japan
- Prior art keywords
- pump
- plunger
- recess
- pump cylinder
- fuel
- 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
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Classifications
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- 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
- F02M59/442—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 means preventing fuel leakage around pump plunger, e.g. fluid barriers
-
- 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
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
-
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/04—Draining
-
- 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
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
- F02M59/102—Mechanical drive, e.g. tappets or cams
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
【解決手段】本発明は、ポンプシリンダ(11)内にガイドされたプランジャ(13)を備えた燃料ポンプ、特にコモンレール燃料システムの高圧燃料ポンプに関するものであって、該燃料ポンプにおいては、プランジャ(13)がガイドされているポンプシリンダ(11)のリセス(12)の領域において、ポンプシリンダ(11)とプランジャ(13)との間に生じる燃料漏れを回収できる、少なくとも1つの漏回収溝(15、16)が形成されている。本発明においては、該漏回収溝または各漏回収溝(15、16)は、ポンプシリンダ(11)のリセス(12)の下1/3以内に位置するように、ポンプシリンダ(11)内に配置されている。
【選択図】図1
Description
11 ポンプシリンダ
12 リセス
13 プランジャ
14 カム
15 上側の漏回収溝
16 下側の漏回収溝
17 漏ライン
18 漏ライン
19 境界
20 燃料ポンプ
21 シール要素
Claims (6)
- ポンプシリンダ内にガイドされたプランジャを備えた燃料ポンプ、特にコモンレール燃料システムの高圧燃料ポンプであって、プランジャがガイドされるポンプシリンダのリセスの領域において、ポンプシリンダとプランジャとの間に生じる燃料漏れを回収できる少なくとも1つの漏回収溝が形成されている燃料ポンプにおいて、
前記漏回収溝または各漏回収溝(15、16)は、前記ポンプシリンダ(11)の前記リセス(12)の下1/3以内に当該漏回収溝または各漏回収溝(15、16)が位置するように前記ポンプシリンダ(11)内に配置されていることを特徴とする燃料ポンプ。 - 前記漏回収溝または各漏回収溝(15、16)は、1または複数のカム(14)を介して開始した運動の際にプランジャ(13)がガイドされる前記ポンプシリンダ(11)の前記リセス(12)の部分の下1/3以内に位置することを特徴とする請求項1に記載の燃料ポンプ。
- 前記ポンプシリンダ(11)の前記リセス(12)の領域には、少なくとも2つの前記漏回収溝、すなわち上側の漏回収溝(15)と下側の漏回収溝(16)とが形成されており、
前記上側の漏回収溝(15)と前記下側の漏回収溝(16)との間の距離が、前記プランジャ(13)の直径の0.15〜1.4倍の範囲にあることを特徴とする請求項1または請求項2に記載の燃料ポンプ。 - 前記上側の漏回収溝(15)と前記ポンプシリンダ(11)の前記リセス(12)の下の境界(19)との距離が、最大で前記リセス(12)の軸方向長さの0.33倍であることを特徴とする請求項3に記載の燃料ポンプ。
- 前記下側の漏回収溝(16)と前記ポンプシリンダ(11)の前記リセス(12)の下の境界(19)との距離が、最大で前記プランジャ(13)の直径の0.45倍であることを特徴とする請求項3または請求項4に記載の燃料ポンプ。
- 前記下側の漏回収溝(16)と前記ポンプシリンダ(11)の前記リセス(12)の下の境界(19)との間で、シール要素(21)が前記ポンプシリンダ(11)に組み込まれている場合に、前記下側の漏回収溝(16)と前記ポンプシリンダ(11)の前記リセス(12)の下の境界(19)との距離が、最大で前記プランジャ(13)の直径の1.0倍であることを特徴とする請求項3または請求項4に記載の燃料ポンプ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007019909.2A DE102007019909B4 (de) | 2007-04-27 | 2007-04-27 | Kraftstoffpumpe mit Leckagenuten |
DE102007019909.2 | 2007-04-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008274934A true JP2008274934A (ja) | 2008-11-13 |
JP5296407B2 JP5296407B2 (ja) | 2013-09-25 |
Family
ID=39385950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008103798A Active JP5296407B2 (ja) | 2007-04-27 | 2008-04-11 | 燃料ポンプ |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP5296407B2 (ja) |
KR (1) | KR101375198B1 (ja) |
CN (1) | CN101294532B (ja) |
DE (1) | DE102007019909B4 (ja) |
FI (1) | FI124648B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016070278A (ja) * | 2014-09-27 | 2016-05-09 | マン・ディーゼル・アンド・ターボ・エスイー | 燃料ポンプ |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2339166A1 (en) * | 2009-12-23 | 2011-06-29 | Caterpillar Motoren GmbH & Co. KG | Purging method and system with scraper or wiper ring for preventing formation of deposits inside fuel pump |
DE102014014475A1 (de) | 2014-09-27 | 2016-03-31 | Man Diesel & Turbo Se | Kraftstoffpumpe |
WO2016055250A1 (en) * | 2014-10-09 | 2016-04-14 | Robert Bosch Gmbh | Pump for supplying fuel at high pressure to an internal combustion engine |
DE102018200715A1 (de) * | 2018-01-17 | 2019-07-18 | Robert Bosch Gmbh | Kraftstofffördereinrichtung für kryogene Kraftstoffe |
DE102018211338A1 (de) * | 2018-07-10 | 2020-01-16 | Robert Bosch Gmbh | Kraftstofffördereinrichtung für kryogene Kraftstoffe und Verfahren zum Betreiben einer Kraftstofffördereinrichtung |
DE102019130684A1 (de) * | 2019-11-14 | 2021-05-20 | Man Energy Solutions Se | Kolbenpumpe |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003201934A (ja) * | 2001-12-28 | 2003-07-18 | Nissan Motor Co Ltd | 内燃機関の燃料加圧ポンプ |
JP2003278667A (ja) * | 2002-03-20 | 2003-10-02 | Toyota Motor Corp | 流体ポンプ |
JP2004340052A (ja) * | 2003-05-16 | 2004-12-02 | Bosch Automotive Systems Corp | 燃料噴射ポンプ |
JP2005042735A (ja) * | 2004-11-04 | 2005-02-17 | Yanmar Co Ltd | 燃料噴射装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1808528U (de) * | 1956-03-03 | 1960-03-24 | Orange G M B H L | Einspritzgeraet. |
DE3620803A1 (de) * | 1986-06-20 | 1987-12-23 | Kloeckner Humboldt Deutz Ag | Einspritzpumpe fuer dieselbrennkraftmaschinen |
FI84093C (fi) * | 1989-08-30 | 1991-10-10 | Waertsilae Diesel Int | Insprutningspump foer braensle. |
JP3549220B2 (ja) * | 1993-04-30 | 2004-08-04 | ヤンマー株式会社 | 燃料噴射ポンプ |
DE19947067A1 (de) * | 1999-09-30 | 2001-05-10 | Siemens Ag | Geräuschgedämpfte Aktoreinheit mit einem Aktorelement |
JPWO2002055870A1 (ja) | 2001-01-05 | 2004-05-20 | 株式会社日立製作所 | 高圧燃料供給ポンプ |
KR100773437B1 (ko) | 2001-02-26 | 2007-11-05 | 베르트질레 슈바이츠 악티엔게젤샤프트 | 실린더 유닛 내의 고압 피스톤 |
JP3979313B2 (ja) * | 2003-03-14 | 2007-09-19 | 株式会社日立製作所 | 高圧ポンプ |
JP2006152976A (ja) * | 2004-12-01 | 2006-06-15 | Nikki Co Ltd | 高圧燃料ポンプ |
-
2007
- 2007-04-27 DE DE102007019909.2A patent/DE102007019909B4/de active Active
-
2008
- 2008-03-19 KR KR1020080025308A patent/KR101375198B1/ko active IP Right Grant
- 2008-04-11 JP JP2008103798A patent/JP5296407B2/ja active Active
- 2008-04-17 FI FI20085325A patent/FI124648B/fi active IP Right Grant
- 2008-04-25 CN CN2008100959145A patent/CN101294532B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003201934A (ja) * | 2001-12-28 | 2003-07-18 | Nissan Motor Co Ltd | 内燃機関の燃料加圧ポンプ |
JP2003278667A (ja) * | 2002-03-20 | 2003-10-02 | Toyota Motor Corp | 流体ポンプ |
JP2004340052A (ja) * | 2003-05-16 | 2004-12-02 | Bosch Automotive Systems Corp | 燃料噴射ポンプ |
JP2005042735A (ja) * | 2004-11-04 | 2005-02-17 | Yanmar Co Ltd | 燃料噴射装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016070278A (ja) * | 2014-09-27 | 2016-05-09 | マン・ディーゼル・アンド・ターボ・エスイー | 燃料ポンプ |
Also Published As
Publication number | Publication date |
---|---|
CN101294532B (zh) | 2012-10-10 |
FI124648B (fi) | 2014-11-28 |
FI20085325A0 (fi) | 2008-04-17 |
JP5296407B2 (ja) | 2013-09-25 |
KR101375198B1 (ko) | 2014-03-18 |
KR20080096369A (ko) | 2008-10-30 |
DE102007019909A1 (de) | 2008-11-06 |
CN101294532A (zh) | 2008-10-29 |
DE102007019909B4 (de) | 2019-07-11 |
FI20085325A (fi) | 2008-10-28 |
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