JP4618307B2 - 燃料噴射弁 - Google Patents
燃料噴射弁 Download PDFInfo
- Publication number
- JP4618307B2 JP4618307B2 JP2008056070A JP2008056070A JP4618307B2 JP 4618307 B2 JP4618307 B2 JP 4618307B2 JP 2008056070 A JP2008056070 A JP 2008056070A JP 2008056070 A JP2008056070 A JP 2008056070A JP 4618307 B2 JP4618307 B2 JP 4618307B2
- Authority
- JP
- Japan
- Prior art keywords
- knock pin
- fuel
- body member
- pin hole
- holding portion
- 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 122
- 238000002347 injection Methods 0.000 title claims description 25
- 239000007924 injection Substances 0.000 title claims description 25
- 230000002093 peripheral effect Effects 0.000 claims description 44
- 230000002265 prevention Effects 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 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
- F02M61/168—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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/004—Joints; Sealings
-
- 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
-
- 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
- F02M2200/8015—Provisions for assembly of fuel injection apparatus in a certain orientation, e.g. markings, notches or specially shaped sleeves other than a clip
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)
Description
2 ボデー部材としてのバルブ部材
3 ボデー部材としてのプレート部材
4 ボデー部材としてのノズル部材
5 リテーニングナット
6 ノックピン
41、43 燃料保持部としての高圧燃料保持部、低圧燃料保持部
44 外周シール面
45 ノックピン孔
46 ノックピン溝
70〜79 それぞれ面取り
L2 外周シール面44におけるノックピン孔44と燃料保持部43との最短シール長 さ
Y ボデー部材4の中心
Claims (4)
- 供給された燃料を保持している燃料保持部が存在し、組立て時の位置決め回り止めのためのノックピンが挿入されるノックピン孔が形成され、前記燃料保持部と前記ノックピン孔との間に前記燃料保持部の燃料の外部への洩れをシールする外周シール面が形成されたボデー部材を複数個備え、前記ノックピンを前記ノックピン孔に挿入し前記各ボデー部材の外周シール面を衝合し、リテーニングナットと外部側ボデー部材とをねじ締めしてなる燃料噴射弁であって、
前記ノックピン孔の面取りが前記燃料保持部と前記ノックピン孔とを結ぶ前記外周シール面の最短シール長さ方向における前記燃料保持部側以外の領域に施されていることを特徴とする燃料噴射弁。 - 前記外周シール面の最短シール長さ方向は前記ボデー部材の中心から半径方向であり、前記面取りが施された領域は前記ボデー部材を中心とし前記ノックピン孔を通る円周方向の領域であることを特徴とする請求項1記載の燃料噴射弁。
- 前記面取りが施された領域は前記リテーニングナットと外部側ボデー部材とのねじ締めにより前ボデー部材に挿入されている前記ノックピンが傾く方向の領域であること特徴とする請求項2記載の燃料噴射弁。
- 前記ノックピン孔は一部が外部に開放したノックピン溝であることを特徴とする請求項1〜3のいずれか一つに記載の燃料噴射弁。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008056070A JP4618307B2 (ja) | 2008-03-06 | 2008-03-06 | 燃料噴射弁 |
DE102009000752.0A DE102009000752B4 (de) | 2008-03-06 | 2009-02-10 | Kraftstoffeinspritzvorrichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008056070A JP4618307B2 (ja) | 2008-03-06 | 2008-03-06 | 燃料噴射弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009209872A JP2009209872A (ja) | 2009-09-17 |
JP4618307B2 true JP4618307B2 (ja) | 2011-01-26 |
Family
ID=40936455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008056070A Active JP4618307B2 (ja) | 2008-03-06 | 2008-03-06 | 燃料噴射弁 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4618307B2 (ja) |
DE (1) | DE102009000752B4 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0734574U (ja) * | 1993-12-03 | 1995-06-23 | 矢崎総業株式会社 | 調心ノックピン |
JP2003139015A (ja) * | 2001-11-02 | 2003-05-14 | Bosch Automotive Systems Corp | 燃料噴射弁の燃料通路シール構造 |
JP2005262608A (ja) * | 2004-03-18 | 2005-09-29 | Oki Data Corp | 増設機器付き装置 |
JP2006183471A (ja) * | 2004-12-24 | 2006-07-13 | Denso Corp | インジェクタ |
JP2007278093A (ja) * | 2006-04-03 | 2007-10-25 | Denso Corp | 燃料噴射弁 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE860436C (de) | 1943-02-26 | 1952-12-22 | Sulzer Ag | Gekuehlte Einspritzduese fuer Brennstoffventile von Brennkraftmaschinen |
JPH10335040A (ja) * | 1997-05-30 | 1998-12-18 | Ando Electric Co Ltd | コネクタ圧入装置 |
US20050001071A1 (en) | 2001-11-02 | 2005-01-06 | Kunihiko Hashimoto | Fuel passage sealing structure of fuel injection nozzle |
DE10155677A1 (de) | 2001-11-13 | 2003-05-22 | Bosch Gmbh Robert | Kraftstoffeinspritzventil für Brennkraftmaschinen |
-
2008
- 2008-03-06 JP JP2008056070A patent/JP4618307B2/ja active Active
-
2009
- 2009-02-10 DE DE102009000752.0A patent/DE102009000752B4/de active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0734574U (ja) * | 1993-12-03 | 1995-06-23 | 矢崎総業株式会社 | 調心ノックピン |
JP2003139015A (ja) * | 2001-11-02 | 2003-05-14 | Bosch Automotive Systems Corp | 燃料噴射弁の燃料通路シール構造 |
JP2005262608A (ja) * | 2004-03-18 | 2005-09-29 | Oki Data Corp | 増設機器付き装置 |
JP2006183471A (ja) * | 2004-12-24 | 2006-07-13 | Denso Corp | インジェクタ |
JP2007278093A (ja) * | 2006-04-03 | 2007-10-25 | Denso Corp | 燃料噴射弁 |
Also Published As
Publication number | Publication date |
---|---|
DE102009000752B4 (de) | 2018-03-29 |
DE102009000752A1 (de) | 2009-09-10 |
JP2009209872A (ja) | 2009-09-17 |
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