JP2023537313A - 流体を噴射するための噴射弁およびこのような噴射弁の製造方法 - Google Patents
流体を噴射するための噴射弁およびこのような噴射弁の製造方法 Download PDFInfo
- Publication number
- JP2023537313A JP2023537313A JP2023506294A JP2023506294A JP2023537313A JP 2023537313 A JP2023537313 A JP 2023537313A JP 2023506294 A JP2023506294 A JP 2023506294A JP 2023506294 A JP2023506294 A JP 2023506294A JP 2023537313 A JP2023537313 A JP 2023537313A
- Authority
- JP
- Japan
- Prior art keywords
- injection
- injection hole
- hole member
- region
- valve
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 189
- 239000007924 injection Substances 0.000 claims abstract description 189
- 239000000463 material Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims description 30
- 230000008569 process Effects 0.000 claims description 17
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000004049 embossing Methods 0.000 claims description 7
- 238000003754 machining Methods 0.000 claims description 6
- 230000003628 erosive effect Effects 0.000 claims description 4
- 238000005530 etching Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 abstract description 3
- 238000000889 atomisation Methods 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000009467 reduction Effects 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
- F02M61/1853—Orifice plates
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/162—Means to impart a whirling motion to fuel upstream or near discharging orifices
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
-
- 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
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
- F02M2200/8053—Fuel injection apparatus manufacture, repair or assembly involving mechanical deformation of the apparatus or parts thereof
-
- 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
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
- F02M2200/8069—Fuel injection apparatus manufacture, repair or assembly involving removal of material from the fuel apparatus, e.g. by punching, hydro-erosion or mechanical operation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Fuel-Injection Apparatus (AREA)
- Lift Valve (AREA)
Abstract
Description
2 閉鎖エレメント
3 噴射孔部材
4 円筒状噴射孔
5 弁座
6 内面
7 外面
8 材料減肉領域
9 噴射孔部材の通常厚み
10 円筒長さ
11 材料減肉
20 ソレノイドアクチュエータ
21 ボール
40 渦流室
41 流路
42 拡径領域
43 内側形状
Claims (10)
- 流体を噴射するための噴射弁であって、
弁座(5)で流体通過を開閉する閉鎖エレメント(2)と、
-複数の噴射孔(4)を有する噴射孔部材(3)と、を備え、
-前記閉鎖エレメント(2)の方に向いた前記噴射孔部材(3)の内面(6)において、前記各噴射孔(4)に沿って各渦流室(40)が形成され、
-前記閉鎖エレメント(2)から離反する方に向いた前記噴射孔部材(3)の外面(7)において、前記噴射孔(4)の長さ(10)を調整するために、前記噴射孔部材(3)の厚み(9)を減少させる材料減肉領域(8)が前記噴射孔(4)に沿って形成されている、噴射弁。 - 前記材料減肉領域(8)は、前記噴射孔(4)の周りに部分的または完全に形成されている、請求項1に記載の噴射弁。
- 前記材料減肉領域(8)は、変形プロセスにより提供された変形領域として設けられている、請求項1または2に記載の噴射弁。
- 前記材料減肉領域(8)は、切削プロセスにより提供された切削加工領域として、または浸食プロセスにより提供された浸食領域として、またはエッチングプロセスにより提供されたエッチング領域として形成されている、請求項1または2に記載の噴射弁。
- 流体を噴射するための噴射弁の噴射孔部材(3)を製造する方法であって、
-複数の噴射孔(4)を作製し、前記噴射孔部材(3)の内面(6)に渦流室(40)を形成する工程と、
-材料減肉によって前記噴射孔(4)の長さ(10)が調整されるように、前記噴射孔(4)の出口領域において前記噴射孔部材(3)の外面(7)を加工する工程と、を包含する方法。 - 前記噴射孔(4)は、前記出口領域において前記出口領域の周囲の一部のみが加工されるか、あるいは、前記噴射孔は、前記出口領域において前記噴射孔の周囲全体が加工される、請求項5に記載の方法。
- 前記噴射孔部材(3)の前記外面(7)は、材料減肉によって前記噴射孔(4)の前記長さ(10)を調整するために、変形プロセスにより加工される、請求項5または6に記載の方法。
- 前記変形プロセスは、加圧変形、特にエンボスまたはプレスである、請求項7に記載の方法。
- 前記噴射孔部材(3)の前記外面(7)は、前記噴射孔(4)の前記長さ(10)を調整するために、切削プロセスまたは浸食プロセスまたはエッチングプロセスにより加工される、請求項5または6に記載の方法。
- 前記噴射孔(4)の前記出口領域に、それぞれ拡径領域(42)、特に円錐状に拡径する領域が形成される、請求項5または6に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020209855.7A DE102020209855A1 (de) | 2020-08-05 | 2020-08-05 | Injektor zum Einspritzen eines Fluids sowie Herstellungsverfahren für einen derartigen Injektor |
DE102020209855.7 | 2020-08-05 | ||
PCT/EP2021/070082 WO2022028863A1 (de) | 2020-08-05 | 2021-07-19 | Injektor zum einspritzen eines fluids sowie herstellungsverfahren für einen derartigen injektor |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2023537313A true JP2023537313A (ja) | 2023-08-31 |
Family
ID=77042978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023506294A Pending JP2023537313A (ja) | 2020-08-05 | 2021-07-19 | 流体を噴射するための噴射弁およびこのような噴射弁の製造方法 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP4193055A1 (ja) |
JP (1) | JP2023537313A (ja) |
DE (1) | DE102020209855A1 (ja) |
WO (1) | WO2022028863A1 (ja) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60023127T2 (de) * | 1999-04-27 | 2006-05-24 | Siemens Vdo Automotive Corporation, Auburn Hills | Beschichtung für ein brennstoffeinspritzventilsitz |
JP3780472B2 (ja) * | 2000-01-27 | 2006-05-31 | 愛三工業株式会社 | 燃料噴射弁 |
US6405945B1 (en) | 2000-09-06 | 2002-06-18 | Visteon Global Tech., Inc. | Nozzle for a fuel injector |
DE102006057279A1 (de) | 2006-12-05 | 2008-06-12 | Robert Bosch Gmbh | Brennstoffeinspritzventil und Verfahren zur Herstellung eines Ventilsitzes für ein Brennstoffeinspritzventil |
JP5336451B2 (ja) * | 2010-09-30 | 2013-11-06 | 日立オートモティブシステムズ株式会社 | 燃料噴射弁 |
JP5875443B2 (ja) * | 2012-03-30 | 2016-03-02 | 日立オートモティブシステムズ株式会社 | 燃料噴射弁 |
JP6460858B2 (ja) | 2015-03-17 | 2019-01-30 | 株式会社エンプラス | 燃料噴射装置用ノズルプレート |
-
2020
- 2020-08-05 DE DE102020209855.7A patent/DE102020209855A1/de active Pending
-
2021
- 2021-07-19 WO PCT/EP2021/070082 patent/WO2022028863A1/de active Application Filing
- 2021-07-19 JP JP2023506294A patent/JP2023537313A/ja active Pending
- 2021-07-19 EP EP21745817.3A patent/EP4193055A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
EP4193055A1 (de) | 2023-06-14 |
WO2022028863A1 (de) | 2022-02-10 |
DE102020209855A1 (de) | 2022-02-10 |
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