ATE549508T1 - Kraftstoffpumpe mit verbesserter dämpfungsvorrichtung für ein direkteinspritzsystem - Google Patents
Kraftstoffpumpe mit verbesserter dämpfungsvorrichtung für ein direkteinspritzsystemInfo
- Publication number
- ATE549508T1 ATE549508T1 AT10189820T AT10189820T ATE549508T1 AT E549508 T1 ATE549508 T1 AT E549508T1 AT 10189820 T AT10189820 T AT 10189820T AT 10189820 T AT10189820 T AT 10189820T AT E549508 T1 ATE549508 T1 AT E549508T1
- Authority
- AT
- Austria
- Prior art keywords
- pumping chamber
- injection system
- direct injection
- fuel pump
- damping device
- Prior art date
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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/04—Means for damping vibrations or pressure fluctuations in injection pump inlets or outlets
-
- 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
- F02M59/04—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 special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps
- F02M59/06—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 special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps with cylinders arranged radially to driving shaft, e.g. in V or star arrangement
-
- 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
- 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
- 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
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
- F02M63/0265—Pumps feeding common rails
-
- 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
- F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
- F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators
- F04B11/0016—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators with a fluid spring
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
- Feeding And Controlling Fuel (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITBO2009A000720A IT1396142B1 (it) | 2009-11-03 | 2009-11-03 | Pompa carburante con dispositivo smorzatore perfezionato per un sistema di iniezione diretta |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE549508T1 true ATE549508T1 (de) | 2012-03-15 |
Family
ID=42332473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT10189820T ATE549508T1 (de) | 2009-11-03 | 2010-11-03 | Kraftstoffpumpe mit verbesserter dämpfungsvorrichtung für ein direkteinspritzsystem |
Country Status (5)
Country | Link |
---|---|
US (1) | US8672653B2 (de) |
EP (1) | EP2317119B1 (de) |
CN (1) | CN102052220B (de) |
AT (1) | ATE549508T1 (de) |
IT (1) | IT1396142B1 (de) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8727752B2 (en) * | 2010-10-06 | 2014-05-20 | Stanadyne Corporation | Three element diaphragm damper for fuel pump |
US20150017040A1 (en) * | 2013-07-12 | 2015-01-15 | Denso Corporation | Pulsation damper and high-pressure pump having the same |
WO2015163245A1 (ja) | 2014-04-25 | 2015-10-29 | 日立オートモティブシステムズ株式会社 | 高圧燃料供給ポンプ |
JP6186326B2 (ja) * | 2014-09-09 | 2017-08-23 | 日立オートモティブシステムズ株式会社 | 高圧燃料供給ポンプ |
DE102014219997A1 (de) | 2014-10-02 | 2016-04-07 | Robert Bosch Gmbh | Membrandose zum Dämpfen von Druckpulsationen in einem Niederdruckbereich einer Kolbenpumpe |
DE102015209539A1 (de) * | 2015-05-22 | 2016-11-24 | Robert Bosch Gmbh | Kraftstoffhochdruckpumpe |
JP6409685B2 (ja) * | 2015-06-03 | 2018-10-24 | 株式会社デンソー | 燃料供給装置 |
JP6434871B2 (ja) * | 2015-07-31 | 2018-12-05 | トヨタ自動車株式会社 | ダンパ装置 |
JP6691124B2 (ja) * | 2015-07-31 | 2020-04-28 | イーグル工業株式会社 | ダイアフラムダンパ装置及びその保持部材、並びにダイアフラムダンパ装置の製造方法 |
DE102015219537A1 (de) | 2015-10-08 | 2017-04-27 | Robert Bosch Gmbh | Membrandose zum Dämpfen von Druckpulsationen in einem Niederdruckbereich einer Kolbenpumpe |
DE102016203217B4 (de) * | 2016-02-29 | 2020-12-10 | Vitesco Technologies GmbH | Dämpferkapsel, Druckpulsationsdämpfer und Kraftstoffhochdruckpumpe |
DE102016205428A1 (de) * | 2016-04-01 | 2017-10-05 | Robert Bosch Gmbh | Druckdämpfungseinrichtung für eine Fluidpumpe, insbesondere für eine Hochdruckpumpe eines Kraftstoffeinspritzsystems |
DE102016207738B4 (de) * | 2016-05-04 | 2018-01-18 | Continental Automotive Gmbh | Kraftstoffhochdruckpumpe und Abdichteinrichtung |
WO2017203861A1 (ja) * | 2016-05-27 | 2017-11-30 | 日立オートモティブシステムズ株式会社 | 高圧燃料供給ポンプ |
DE102016209930A1 (de) * | 2016-06-06 | 2017-12-07 | Elringklinger Ag | Kolbenvorrichtung und Pumpenvorrichtung |
DE102016212458A1 (de) * | 2016-07-08 | 2018-01-11 | Robert Bosch Gmbh | Kraftstoffhochdruckpumpe |
DE102017203762A1 (de) | 2017-03-08 | 2018-09-13 | Continental Automotive Gmbh | Kraftstoffhochdruckpumpe für ein Kraftstoffeinspritzsystem |
CN109268228B (zh) * | 2017-07-17 | 2024-06-04 | 国家电投集团科学技术研究院有限公司 | 溶液配送装置及具有其的循环流体回路*** |
DE102018200146B4 (de) * | 2018-01-08 | 2019-11-28 | Continental Automotive Gmbh | Kraftstoffhochdruckpumpe für ein Kraftstoffeinspritzsystem |
CN110195673B (zh) * | 2018-02-27 | 2021-05-14 | 纬湃汽车电子(长春)有限公司 | 高压泵 |
WO2019221260A1 (ja) | 2018-05-18 | 2019-11-21 | イーグル工業株式会社 | ダンパ装置 |
JPWO2019221259A1 (ja) * | 2018-05-18 | 2021-06-10 | イーグル工業株式会社 | メタルダイアフラムダンパの取付構造 |
JP7074563B2 (ja) | 2018-05-18 | 2022-05-24 | イーグル工業株式会社 | ダンパ装置 |
US11346312B2 (en) | 2018-05-18 | 2022-05-31 | Eagle Industry Co., Ltd. | Damper unit |
US11326568B2 (en) | 2018-05-25 | 2022-05-10 | Eagle Industry Co., Ltd. | Damper device |
US11767834B2 (en) * | 2018-12-29 | 2023-09-26 | Biosense Webster (Israel) Ltd. | Using balloon as damper for port of a reciprocating pump |
JP7265644B2 (ja) * | 2019-11-15 | 2023-04-26 | 日立Astemo株式会社 | 金属ダイアフラム、金属ダンパ、及び燃料ポンプ |
DE102021208296A1 (de) * | 2021-07-30 | 2023-02-02 | Robert Bosch Gesellschaft mit beschränkter Haftung | Kolbenpumpe, insbesondere Kraftstoff-Hochdruckpumpe |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4649884A (en) * | 1986-03-05 | 1987-03-17 | Walbro Corporation | Fuel rail for internal combustion engines |
DE19531811A1 (de) * | 1995-08-30 | 1997-03-06 | Bosch Gmbh Robert | Kraftstoffeinspritzpumpe |
EP1411236B1 (de) * | 2002-10-19 | 2012-10-10 | Robert Bosch Gmbh | Vorrichtung zum Dämpfen von Druckpulsationen in einem Fluidsystem, insbesondere in einem Kraftstoffsystem einer Brennkraftmaschine |
JP4036153B2 (ja) * | 2003-07-22 | 2008-01-23 | 株式会社日立製作所 | ダンパ機構及び高圧燃料供給ポンプ |
DE502004002804D1 (de) * | 2003-09-18 | 2007-03-15 | Kayser Automotive Systems Gmbh | Filterbaueinheit und ventil für ein kraftstoffversorgungssystem |
DE102004047601A1 (de) * | 2004-08-13 | 2006-02-23 | Robert Bosch Gmbh | Fluidpumpe, insbesondere Kraftstoff-Hochdruckpumpe |
JP4686501B2 (ja) * | 2007-05-21 | 2011-05-25 | 日立オートモティブシステムズ株式会社 | 液体脈動ダンパ機構、および液体脈動ダンパ機構を備えた高圧燃料供給ポンプ |
-
2009
- 2009-11-03 IT ITBO2009A000720A patent/IT1396142B1/it active
-
2010
- 2010-11-03 EP EP10189820A patent/EP2317119B1/de active Active
- 2010-11-03 AT AT10189820T patent/ATE549508T1/de active
- 2010-11-03 US US12/938,892 patent/US8672653B2/en active Active
- 2010-11-03 CN CN201010543609.5A patent/CN102052220B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US20110103985A1 (en) | 2011-05-05 |
CN102052220B (zh) | 2014-11-12 |
IT1396142B1 (it) | 2012-11-16 |
CN102052220A (zh) | 2011-05-11 |
US8672653B2 (en) | 2014-03-18 |
EP2317119B1 (de) | 2012-03-14 |
ITBO20090720A1 (it) | 2011-05-04 |
EP2317119A1 (de) | 2011-05-04 |
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