JP2019015290A - 高圧燃料供給ポンプ - Google Patents
高圧燃料供給ポンプ Download PDFInfo
- Publication number
- JP2019015290A JP2019015290A JP2018162317A JP2018162317A JP2019015290A JP 2019015290 A JP2019015290 A JP 2019015290A JP 2018162317 A JP2018162317 A JP 2018162317A JP 2018162317 A JP2018162317 A JP 2018162317A JP 2019015290 A JP2019015290 A JP 2019015290A
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- plunger
- pump housing
- pressure
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 99
- 230000002093 peripheral effect Effects 0.000 claims abstract description 28
- 238000003466 welding Methods 0.000 description 28
- 230000007246 mechanism Effects 0.000 description 23
- 238000000034 method Methods 0.000 description 19
- 230000008569 process Effects 0.000 description 15
- 230000004907 flux Effects 0.000 description 9
- 238000005452 bending Methods 0.000 description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 8
- 239000002184 metal Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 238000007906 compression Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 239000010705 motor oil Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
Description
。ターミナルは伝導性の物質でありコネクタ部58に開口しており、コネクタ部58にECUからの相手側コネクタが接続されれば相手側のターミナルに接触しコイルに電流を伝える。
1A 凹所
2 プランジャ
6 シリンダ
6A 天井部(シリンダの)
10A 天井部(ポンプハウジングの)
11 加圧室
30 電磁吸入弁機構
Claims (1)
- 有底筒状のシリンダと、
前記シリンダ内で往復動可能に配置されたプランジャと、
内周面側に前記シリンダが収納されたポンプハウジングと、を備え、
前記ポンプハウジングには、前記プランジャに接する燃料を低圧燃料室側との間で交換する吸入通路が形成されることを特徴とする高圧燃料供給ポンプ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018162317A JP6681448B2 (ja) | 2018-08-31 | 2018-08-31 | 高圧燃料供給ポンプ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018162317A JP6681448B2 (ja) | 2018-08-31 | 2018-08-31 | 高圧燃料供給ポンプ |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017100543A Division JP6397961B2 (ja) | 2017-05-22 | 2017-05-22 | 高圧燃料供給ポンプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019015290A true JP2019015290A (ja) | 2019-01-31 |
JP6681448B2 JP6681448B2 (ja) | 2020-04-15 |
Family
ID=65358393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018162317A Active JP6681448B2 (ja) | 2018-08-31 | 2018-08-31 | 高圧燃料供給ポンプ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6681448B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021210243A1 (ja) * | 2020-04-14 | 2021-10-21 | 日立Astemo株式会社 | 高圧燃料供給ポンプ及び製造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009264239A (ja) * | 2008-04-25 | 2009-11-12 | Hitachi Ltd | 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 |
JP2010106740A (ja) * | 2008-10-30 | 2010-05-13 | Hitachi Automotive Systems Ltd | 高圧燃料供給ポンプ |
-
2018
- 2018-08-31 JP JP2018162317A patent/JP6681448B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009264239A (ja) * | 2008-04-25 | 2009-11-12 | Hitachi Ltd | 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 |
JP2010106740A (ja) * | 2008-10-30 | 2010-05-13 | Hitachi Automotive Systems Ltd | 高圧燃料供給ポンプ |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021210243A1 (ja) * | 2020-04-14 | 2021-10-21 | 日立Astemo株式会社 | 高圧燃料供給ポンプ及び製造方法 |
JPWO2021210243A1 (ja) * | 2020-04-14 | 2021-10-21 | ||
JP7295337B2 (ja) | 2020-04-14 | 2023-06-20 | 日立Astemo株式会社 | 高圧燃料供給ポンプ及び製造方法 |
Also Published As
Publication number | Publication date |
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JP6681448B2 (ja) | 2020-04-15 |
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