KR20180121982A - 유체 댐퍼를 구비한 고압 펌프 - Google Patents
유체 댐퍼를 구비한 고압 펌프 Download PDFInfo
- Publication number
- KR20180121982A KR20180121982A KR1020187029149A KR20187029149A KR20180121982A KR 20180121982 A KR20180121982 A KR 20180121982A KR 1020187029149 A KR1020187029149 A KR 1020187029149A KR 20187029149 A KR20187029149 A KR 20187029149A KR 20180121982 A KR20180121982 A KR 20180121982A
- Authority
- KR
- South Korea
- Prior art keywords
- pump
- chamber
- pressure pump
- damper
- pressure
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 31
- 239000012528 membrane Substances 0.000 claims abstract description 48
- 239000000446 fuel Substances 0.000 claims description 33
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 abstract description 9
- 230000010349 pulsation Effects 0.000 abstract description 9
- 238000002485 combustion reaction Methods 0.000 description 11
- 238000011084 recovery Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- 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
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
- F02M37/0041—Means for damping pressure pulsations
-
- 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
- F02M59/10—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
- 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
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
- Reciprocating Pumps (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016204128.2 | 2016-03-14 | ||
DE102016204128.2A DE102016204128A1 (de) | 2016-03-14 | 2016-03-14 | Hochdruckpumpe |
PCT/EP2017/051651 WO2017157554A1 (fr) | 2016-03-14 | 2017-01-26 | Pompe haute pression comprenant un amortisseur de fluide |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20180121982A true KR20180121982A (ko) | 2018-11-09 |
Family
ID=57890837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020187029149A KR20180121982A (ko) | 2016-03-14 | 2017-01-26 | 유체 댐퍼를 구비한 고압 펌프 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3430261B1 (fr) |
KR (1) | KR20180121982A (fr) |
CN (1) | CN108779766B (fr) |
DE (1) | DE102016204128A1 (fr) |
WO (1) | WO2017157554A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017213891B3 (de) * | 2017-08-09 | 2019-02-14 | Continental Automotive Gmbh | Kraftstoffhochdruckpumpe für ein Kraftstoffeinspritzsystem |
DE102018001129A1 (de) | 2018-02-12 | 2019-08-14 | Daimler Ag | Kraftstoffhochdruckpumpe für eine Verbrennungskraftmaschine eines Kraftfahrzeugs, insbesondere eines Kraftwagens |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW384358B (en) * | 1997-09-25 | 2000-03-11 | Mitsubishi Electric Corp | High pressure fuel supply pump body for an in-cylinder fuel injection engine |
EP1411236B1 (fr) * | 2002-10-19 | 2012-10-10 | Robert Bosch Gmbh | Dispositif pour l'atténuation des pulsations de pression dans un système de fluide, en particulier dans un système de carburant d'un moteur à combustion interne |
JP2008057451A (ja) * | 2006-08-31 | 2008-03-13 | Hitachi Ltd | 高圧燃料供給ポンプ |
JP5051279B2 (ja) * | 2009-12-21 | 2012-10-17 | 株式会社デンソー | 定残圧弁 |
US8727752B2 (en) * | 2010-10-06 | 2014-05-20 | Stanadyne Corporation | Three element diaphragm damper for fuel pump |
JP5628121B2 (ja) * | 2011-09-20 | 2014-11-19 | 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 |
DE102013207393A1 (de) | 2013-04-24 | 2014-10-30 | Robert Bosch Gmbh | Kolbenpumpe, insbesondere Hochdruckpumpe für ein Kraftstoffsystem für eine Brennkraftmaschine |
-
2016
- 2016-03-14 DE DE102016204128.2A patent/DE102016204128A1/de not_active Withdrawn
-
2017
- 2017-01-26 EP EP17701506.2A patent/EP3430261B1/fr active Active
- 2017-01-26 KR KR1020187029149A patent/KR20180121982A/ko not_active Application Discontinuation
- 2017-01-26 WO PCT/EP2017/051651 patent/WO2017157554A1/fr unknown
- 2017-01-26 CN CN201780017487.6A patent/CN108779766B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN108779766B (zh) | 2020-07-17 |
EP3430261A1 (fr) | 2019-01-23 |
DE102016204128A1 (de) | 2017-09-14 |
CN108779766A (zh) | 2018-11-09 |
WO2017157554A1 (fr) | 2017-09-21 |
EP3430261B1 (fr) | 2022-01-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal |