JP4686575B2 - ディーゼルエンジン用燃料噴射装置及びその製造方法並びに弁装置 - Google Patents
ディーゼルエンジン用燃料噴射装置及びその製造方法並びに弁装置 Download PDFInfo
- Publication number
- JP4686575B2 JP4686575B2 JP2008164008A JP2008164008A JP4686575B2 JP 4686575 B2 JP4686575 B2 JP 4686575B2 JP 2008164008 A JP2008164008 A JP 2008164008A JP 2008164008 A JP2008164008 A JP 2008164008A JP 4686575 B2 JP4686575 B2 JP 4686575B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- valve
- nozzle body
- fuel injection
- diffusion layer
- 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.)
- Active
Links
- 239000000446 fuel Substances 0.000 title claims description 128
- 238000002347 injection Methods 0.000 title claims description 75
- 239000007924 injection Substances 0.000 title claims description 75
- 238000000034 method Methods 0.000 title claims description 15
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 238000009792 diffusion process Methods 0.000 claims description 73
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 50
- 238000005498 polishing Methods 0.000 claims description 49
- 238000005121 nitriding Methods 0.000 claims description 46
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 39
- 150000001875 compounds Chemical class 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 229910052757 nitrogen Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 150000004767 nitrides Chemical class 0.000 claims description 23
- 230000003746 surface roughness Effects 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 238000005336 cracking Methods 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 92
- 238000004901 spalling Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 7
- 150000001247 metal acetylides Chemical class 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000005530 etching Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229910002651 NO3 Inorganic materials 0.000 description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000000635 electron micrograph Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 229910000734 martensite Inorganic materials 0.000 description 3
- 238000005496 tempering Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
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
- F02M61/168—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
- 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
- F02M61/166—Selection of particular materials
-
- 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
- F02M61/1886—Details of valve seats not covered by groups F02M61/1866 - F02M61/188
-
- 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
- F02M61/1893—Details of valve member ends not covered by groups F02M61/1866 - F02M61/188
-
- 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
- F02M2200/02—Fuel-injection apparatus having means for reducing wear
-
- 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
- F02M2200/90—Selection of particular materials
- F02M2200/9053—Metals
- F02M2200/9061—Special treatments for modifying the properties of metals used for fuel injection apparatus, e.g. modifying mechanical or electromagnetic properties
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)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008164008A JP4686575B2 (ja) | 2008-06-24 | 2008-06-24 | ディーゼルエンジン用燃料噴射装置及びその製造方法並びに弁装置 |
| KR1020090054911A KR101122187B1 (ko) | 2008-06-24 | 2009-06-19 | 디젤 엔진용 연료분사장치 및 그 제조방법과 밸브장치 |
| EP09008133A EP2146087B1 (en) | 2008-06-24 | 2009-06-22 | Fuel injection device for diesel engine, method for manufacturing the same, and valve unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008164008A JP4686575B2 (ja) | 2008-06-24 | 2008-06-24 | ディーゼルエンジン用燃料噴射装置及びその製造方法並びに弁装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010264189A Division JP5134066B2 (ja) | 2010-11-26 | 2010-11-26 | 窒化処理した合金鋼及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010007466A JP2010007466A (ja) | 2010-01-14 |
| JP4686575B2 true JP4686575B2 (ja) | 2011-05-25 |
Family
ID=41393835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008164008A Active JP4686575B2 (ja) | 2008-06-24 | 2008-06-24 | ディーゼルエンジン用燃料噴射装置及びその製造方法並びに弁装置 |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2146087B1 (ko) |
| JP (1) | JP4686575B2 (ko) |
| KR (1) | KR101122187B1 (ko) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014213510A1 (de) * | 2014-07-11 | 2016-02-18 | Robert Bosch Gmbh | Verfahren zum Nitrieren eines Bauteils eines Kraftstoffeinspritzsystems |
| DE102014218488A1 (de) * | 2014-09-15 | 2016-03-17 | Robert Bosch Gmbh | Verfahren zum Nitrieren eines Bauteils eines Kraftstoffeinspritzsystems |
| KR101638815B1 (ko) | 2016-01-07 | 2016-07-25 | 한빛정공(주) | 4 행정용 인젝션 밸브 |
| KR101990986B1 (ko) * | 2018-12-31 | 2019-06-20 | 안전공업주식회사 | 고출력 및 고온 엔진용 밸브의 스템부 표면질화 구조 및 표면질화 처리방법 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000240529A (ja) * | 1999-02-19 | 2000-09-05 | Aisan Ind Co Ltd | 燃料分配管用リリーフバルブ |
| JP2002097563A (ja) * | 2000-09-21 | 2002-04-02 | Nissan Motor Co Ltd | 摺動部品及びその製造方法 |
| JP2002241922A (ja) * | 2001-02-21 | 2002-08-28 | Yanmar Diesel Engine Co Ltd | 燃料噴射弁体およびそのガス窒化処理方法 |
| JP2004084781A (ja) * | 2002-08-27 | 2004-03-18 | Nippon Piston Ring Co Ltd | ピストンリング |
| JP2004217946A (ja) * | 2003-01-09 | 2004-08-05 | Hitachi Metals Ltd | 打抜き性の優れたリードフレーム用Ｆｅ−Ｎｉ系合金 |
| JP2007182903A (ja) * | 2007-04-09 | 2007-07-19 | Hitachi Ltd | 燃料噴射弁 |
| JP2008057036A (ja) * | 2006-07-31 | 2008-03-13 | Sumitomo Metal Ind Ltd | 軟窒化非焼準機械部品の製造方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3667704D1 (de) * | 1985-08-10 | 1990-01-25 | Bosch Gmbh Robert | Kraftstoff-einspritzduese fuer brennkraftmaschinen. |
| JP2001050133A (ja) * | 1999-08-06 | 2001-02-23 | Hitachi Ltd | 電子燃料噴射弁 |
| JP3924999B2 (ja) * | 1999-08-12 | 2007-06-06 | 株式会社日立製作所 | 燃料ポンプ及びそれを用いた筒内噴射エンジン |
| JP2003148294A (ja) * | 2001-11-12 | 2003-05-21 | Hitachi Ltd | 燃料ポンプ及び筒内噴射エンジン |
| JP2004003435A (ja) * | 2002-04-23 | 2004-01-08 | Denso Corp | 内燃機関用燃料噴射弁およびその製造方法 |
| DE10256590A1 (de) * | 2002-12-04 | 2004-06-03 | Daimlerchrysler Ag | Einspritzdüse für ein Einspritzsystem sowie ein Verfahren zur Herstellung einer Einspritzdüse eines Einspritzsystems eines Kraftfahrzeuges |
| JP3954046B2 (ja) * | 2004-06-14 | 2007-08-08 | 三菱電機株式会社 | 燃料噴射弁、弁座体、及び弁座体の工作方法 |
| JP2007092829A (ja) * | 2005-09-28 | 2007-04-12 | Toyota Motor Corp | 弁 |
| DE102005049534A1 (de) * | 2005-10-17 | 2007-04-19 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Bearbeitung eines Düsenkörpers für ein Kraftstoffeinspritzventil |
-
2008
- 2008-06-24 JP JP2008164008A patent/JP4686575B2/ja active Active
-
2009
- 2009-06-19 KR KR1020090054911A patent/KR101122187B1/ko active IP Right Grant
- 2009-06-22 EP EP09008133A patent/EP2146087B1/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000240529A (ja) * | 1999-02-19 | 2000-09-05 | Aisan Ind Co Ltd | 燃料分配管用リリーフバルブ |
| JP2002097563A (ja) * | 2000-09-21 | 2002-04-02 | Nissan Motor Co Ltd | 摺動部品及びその製造方法 |
| JP2002241922A (ja) * | 2001-02-21 | 2002-08-28 | Yanmar Diesel Engine Co Ltd | 燃料噴射弁体およびそのガス窒化処理方法 |
| JP2004084781A (ja) * | 2002-08-27 | 2004-03-18 | Nippon Piston Ring Co Ltd | ピストンリング |
| JP2004217946A (ja) * | 2003-01-09 | 2004-08-05 | Hitachi Metals Ltd | 打抜き性の優れたリードフレーム用Ｆｅ−Ｎｉ系合金 |
| JP2008057036A (ja) * | 2006-07-31 | 2008-03-13 | Sumitomo Metal Ind Ltd | 軟窒化非焼準機械部品の製造方法 |
| JP2007182903A (ja) * | 2007-04-09 | 2007-07-19 | Hitachi Ltd | 燃料噴射弁 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2146087A3 (en) | 2010-11-03 |
| KR20100002127A (ko) | 2010-01-06 |
| EP2146087A8 (en) | 2010-04-14 |
| JP2010007466A (ja) | 2010-01-14 |
| EP2146087A2 (en) | 2010-01-20 |
| KR101122187B1 (ko) | 2012-03-19 |
| EP2146087B1 (en) | 2012-12-12 |
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