JP2008151132A - 燃料ポンプ - Google Patents
燃料ポンプ Download PDFInfo
- Publication number
- JP2008151132A JP2008151132A JP2007323843A JP2007323843A JP2008151132A JP 2008151132 A JP2008151132 A JP 2008151132A JP 2007323843 A JP2007323843 A JP 2007323843A JP 2007323843 A JP2007323843 A JP 2007323843A JP 2008151132 A JP2008151132 A JP 2008151132A
- Authority
- JP
- Japan
- Prior art keywords
- pump
- fuel
- piston
- cylinder
- pump piston
- 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
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 64
- 238000007599 discharging Methods 0.000 claims 1
- 230000008021 deposition Effects 0.000 abstract 1
- 238000007790 scraping Methods 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
Images
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
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
【解決手段】ポンプシリンダーに案内されたポンプピストン(13)を備えた燃料ポンプにおいて、ポンプピストン(13)が案内されているポンプシリンダー(11)の凹所(12)の領域において少なくとも一つのリーク溝(15,16)が形成されており、該リーク溝を介してポンプシリンダー(11)とポンプピストン(13)との間において生じる漏れ燃料を排出可能である。本発明によれば、ポンプピストン(13)に少なくとも一つの剥離部材(22)が組み込まれており、それによってポンプシリンダー(11)とポンプピストン(13)との間に堆積する漏れ燃料をポンプシリンダー(11)の壁部(21)から掻き落とすことができる。
【選択図】図1
Description
11 ポンプシリンダー
12 凹所
13 ポンプピストン
14 カム
15,16 リーク溝
17 リーク導管
18 剥離部材
19 溝
20,21 壁部
22 剥離部材
23 溝
Claims (7)
- ポンプシリンダーに案内されたポンプピストンを備えた燃料ポンプ、特にコモンレール方式の燃料システムの高圧燃料ポンプであって、前記ポンプピストンが案内されている前記ポンプシリンダーの凹所の領域において少なくとも一つのリーク溝が形成されており、該リーク溝を介して前記ポンプシリンダーと前記ポンプピストンとの間において生じる漏れ燃料を排出する燃料ポンプにおいて、
前記ポンプピストン(13)に少なくとも一つの剥離部材(22)が組み込まれており、それによって前記ポンプシリンダー(11)と前記ポンプピストン(13)との間に堆積する漏れ燃料を前記ポンプシリンダー(11)の壁部(21)から掻き落とすようになっていることを特徴とする燃料ポンプ。 - 前記ポンプピストン(13)に組み込まれた前記単一または個々の剥離部材(22)は前記ポンプシリンダー(11)の前記壁部(21)に堆積する漏れ燃料を掻き落とすとともに該漏れ燃料を少なくとも一つのリーク溝(16)に排出するために用いられるようになっていることを特徴とする請求項1に記載の燃料ポンプ。
- 前記ポンプピストン(13)に組み込まれた前記単一または個々の剥離部材(22)は前記ポンプピストン(13)のある領域内に設けられており、それによって前記剥離部材は作動中に前記リーク溝(15,16)のいずれの上方も通過しないようになってい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。
- 前記ポンプピストン(13)に組み込まれた剥離部材(22)は前記ポンプピストン(13)のある領域内に設けられており、それによって前記剥離部材は運転中に下死点において下方のリーク溝(16)に直接的に隣接していることを特徴とする請求項1から請求項3のいずれか一項に記載の燃料ポンプ。
- 前記ポンプシリンダー(11)に少なくとも一つの剥離部材(18)が組み込まれており、該剥離部材は前記ポンプピストン(13)の前記壁部(20)に堆積する漏れ燃料を掻き落とすために用いられるようになっていることを特徴とする請求項1から請求項4のいずれか一項に記載の燃料ポンプ。
- 前記ポンプシリンダー(11)に組み込まれた剥離部材(18)は前記単一または個々のリーク溝(15,16)の下方において前記ポンプシリンダー(11)内に設けられていることを特徴とする請求項5に記載の燃料ポンプ。
- 前記剥離部材(18;22)はスクレーパリングとして形成されていることを特徴とする請求項1から請求項6のいずれか一項に記載の燃料ポンプ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006059333.2A DE102006059333B4 (de) | 2006-12-15 | 2006-12-15 | Kraftstoffpumpe |
DE102006059333.2 | 2006-12-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008151132A true JP2008151132A (ja) | 2008-07-03 |
JP5179850B2 JP5179850B2 (ja) | 2013-04-10 |
Family
ID=38951511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007323843A Active JP5179850B2 (ja) | 2006-12-15 | 2007-12-14 | 燃料ポンプ |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP5179850B2 (ja) |
KR (1) | KR101589741B1 (ja) |
CN (1) | CN101344057B (ja) |
DE (1) | DE102006059333B4 (ja) |
FI (1) | FI123416B (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101694192B (zh) * | 2009-08-20 | 2011-08-10 | 余姚市舒春机械有限公司 | 船用柴油机喷油泵柱塞偶件 |
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 |
WO2018178502A1 (en) | 2017-03-29 | 2018-10-04 | Wärtsilä Finland Oy | A fuel pump for supplying fuel to an internal combustion piston engine |
CN110691903B (zh) | 2017-03-29 | 2021-04-16 | 瓦锡兰芬兰有限公司 | 用于向内燃活塞发动机供应燃料的燃料泵 |
WO2018178501A1 (en) | 2017-03-29 | 2018-10-04 | Wärtsilä Finland Oy | A high pressure fuel pump assembly for an internal combustion piston engine |
IT201900001939A1 (it) * | 2019-02-11 | 2020-08-11 | Bosch Gmbh Robert | Gruppo di pompaggio per alimentare combustibile, preferibilmente gasolio, ad un motore a combustione interna |
DE102019130684A1 (de) * | 2019-11-14 | 2021-05-20 | Man Energy Solutions Se | Kolbenpumpe |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07247938A (ja) * | 1994-03-04 | 1995-09-26 | Yanmar Diesel Engine Co Ltd | 燃料噴射ポンプおよびその洗浄方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1172014A (ja) | 1997-06-24 | 1999-03-16 | Unisia Jecs Corp | 燃料加圧用ポンプ |
DE10042720A1 (de) * | 1999-10-27 | 2001-05-03 | Luk Fahrzeug Hydraulik | Kraftstoffpumpe |
JP4013199B2 (ja) * | 2003-05-16 | 2007-11-28 | ボッシュ株式会社 | 燃料噴射ポンプ |
-
2006
- 2006-12-15 DE DE102006059333.2A patent/DE102006059333B4/de active Active
-
2007
- 2007-12-11 KR KR1020070128047A patent/KR101589741B1/ko active IP Right Grant
- 2007-12-13 FI FI20070976A patent/FI123416B/fi active IP Right Grant
- 2007-12-14 JP JP2007323843A patent/JP5179850B2/ja active Active
- 2007-12-14 CN CN200710300395.7A patent/CN101344057B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07247938A (ja) * | 1994-03-04 | 1995-09-26 | Yanmar Diesel Engine Co Ltd | 燃料噴射ポンプおよびその洗浄方法 |
Also Published As
Publication number | Publication date |
---|---|
FI20070976A0 (fi) | 2007-12-13 |
DE102006059333B4 (de) | 2018-07-12 |
CN101344057A (zh) | 2009-01-14 |
KR20080055649A (ko) | 2008-06-19 |
DE102006059333A1 (de) | 2008-06-19 |
FI20070976A (fi) | 2008-06-16 |
CN101344057B (zh) | 2014-09-03 |
JP5179850B2 (ja) | 2013-04-10 |
KR101589741B1 (ko) | 2016-01-28 |
FI123416B (fi) | 2013-04-15 |
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