JP6511559B2 - 燃料の圧力脈動低減機構、及びそれを備えた内燃機関の高圧燃料供給ポンプ - Google Patents
燃料の圧力脈動低減機構、及びそれを備えた内燃機関の高圧燃料供給ポンプ Download PDFInfo
- Publication number
- JP6511559B2 JP6511559B2 JP2018044914A JP2018044914A JP6511559B2 JP 6511559 B2 JP6511559 B2 JP 6511559B2 JP 2018044914 A JP2018044914 A JP 2018044914A JP 2018044914 A JP2018044914 A JP 2018044914A JP 6511559 B2 JP6511559 B2 JP 6511559B2
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- JP
- Japan
- Prior art keywords
- fuel supply
- high pressure
- supply pump
- damper
- pressure 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.)
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- 239000000446 fuel Substances 0.000 title claims description 246
- 230000007246 mechanism Effects 0.000 title claims description 56
- 230000010349 pulsation Effects 0.000 title description 59
- 238000002485 combustion reaction Methods 0.000 title description 14
- 239000002184 metal Substances 0.000 claims description 94
- 230000002093 peripheral effect Effects 0.000 claims description 23
- 230000033001 locomotion Effects 0.000 claims description 21
- 238000003466 welding Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 23
- 230000008569 process Effects 0.000 description 20
- 230000009467 reduction Effects 0.000 description 10
- 238000003860 storage Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Landscapes
- Fuel-Injection Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018044914A JP6511559B2 (ja) | 2018-03-13 | 2018-03-13 | 燃料の圧力脈動低減機構、及びそれを備えた内燃機関の高圧燃料供給ポンプ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018044914A JP6511559B2 (ja) | 2018-03-13 | 2018-03-13 | 燃料の圧力脈動低減機構、及びそれを備えた内燃機関の高圧燃料供給ポンプ |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016182504A Division JP6310026B2 (ja) | 2016-09-20 | 2016-09-20 | 燃料の圧力脈動低減機構、及びそれを備えた内燃機関の高圧燃料供給ポンプ |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019072396A Division JP2019105273A (ja) | 2019-04-05 | 2019-04-05 | 燃料の圧力脈動低減機構、及びそれを備えた内燃機関の高圧燃料供給ポンプ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018087578A JP2018087578A (ja) | 2018-06-07 |
| JP2018087578A5 JP2018087578A5 (enrdf_load_stackoverflow) | 2018-11-22 |
| JP6511559B2 true JP6511559B2 (ja) | 2019-05-15 |
Family
ID=62492926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018044914A Active JP6511559B2 (ja) | 2018-03-13 | 2018-03-13 | 燃料の圧力脈動低減機構、及びそれを備えた内燃機関の高圧燃料供給ポンプ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6511559B2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7055933B2 (ja) * | 2019-03-28 | 2022-04-18 | 日立Astemo株式会社 | 燃料ポンプ |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001096385A (ja) * | 1999-07-23 | 2001-04-10 | Denso Corp | 気密性を確保するための溶接方法 |
| JP2002266721A (ja) * | 2001-03-09 | 2002-09-18 | Denso Corp | 燃料噴射弁の製造方法 |
| 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 |
| DE10345725B4 (de) * | 2003-10-01 | 2017-01-05 | Robert Bosch Gmbh | Kraftstoff-Hochdruckpumpe |
| DE102004002489B4 (de) * | 2004-01-17 | 2013-01-31 | Robert Bosch Gmbh | Fluidpumpe, insbesondere Kraftstoff-Hochdruckpumpe |
| DE102004015440B4 (de) * | 2004-03-30 | 2021-06-17 | Robert Bosch Gmbh | Schweißverbindung zwischen einem dickwandigen Bauteil und einem dünnwandigem Bauteil sowie Kraftstoffhochdruckpumpe für eine Brennkraftmaschine |
| DE102004047601A1 (de) * | 2004-08-13 | 2006-02-23 | Robert Bosch Gmbh | Fluidpumpe, insbesondere Kraftstoff-Hochdruckpumpe |
| DE102005033634A1 (de) * | 2005-07-19 | 2007-01-25 | Robert Bosch Gmbh | Hochdruck-Kraftstoffpumpe für ein Kraftstoff-Einspritzsystem einer Brennkraftmaschine |
| JP4650793B2 (ja) * | 2006-05-16 | 2011-03-16 | 株式会社デンソー | パルセーションダンパ |
| JP4922794B2 (ja) * | 2007-03-12 | 2012-04-25 | 日立オートモティブシステムズ株式会社 | 流体ポンプ及び高圧燃料供給ポンプ |
-
2018
- 2018-03-13 JP JP2018044914A patent/JP6511559B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018087578A (ja) | 2018-06-07 |
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