JP2014015940A - 燃料噴射弁 - Google Patents
燃料噴射弁 Download PDFInfo
- Publication number
- JP2014015940A JP2014015940A JP2013221517A JP2013221517A JP2014015940A JP 2014015940 A JP2014015940 A JP 2014015940A JP 2013221517 A JP2013221517 A JP 2013221517A JP 2013221517 A JP2013221517 A JP 2013221517A JP 2014015940 A JP2014015940 A JP 2014015940A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- fuel injection
- seat
- notch
- closing body
- 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
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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
- F02M61/1873—Valve seats or member ends having circumferential grooves or ridges, e.g. toroidal
-
- 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
- F02M61/188—Spherical or partly spherical shaped valve member ends
-
- 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
- F02M2200/90—Selection of particular materials
- F02M2200/9015—Elastomeric or plastic materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S239/00—Fluid sprinkling, spraying, and diffusing
- Y10S239/90—Electromagnetically actuated fuel injector having ball and seat type valve
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
【解決手段】内燃機関の燃焼室内に燃料を直接噴射するための燃料噴射弁1であって、弁ニードル3を操作するためのアクチュエータ28が設けられており、弁ニードル3が噴射側端部に弁閉鎖体4を有しており、該弁閉鎖体が、弁座体5に形成された弁座面6と共働して、座接触箇所23にシール座を形成している形式のものにおいて、弁座体5及び/又は弁閉鎖体4が、少なくとも1つの剛性を減じるエレメントを備えている。
【選択図】図1
Description
Claims (16)
- 燃料噴射弁(1)であって、
弁ニードル(3)を操作するためのアクチュエータ(28)が設けられており、弁ニードル(3)が噴射側端部に球形の弁閉鎖体(4)を有しており、該弁閉鎖体(4)が、弁座体(5)に形成された弁座面(6)と共働して、座接触箇所(23)にシール座を形成している形式のものにおいて、
弁座体(5)及び/又は弁閉鎖体(4)が、少なくとも1つの剛性を減じるエレメントを備え、
弁閉鎖体(4)における剛性を減じるエレメントが、該弁閉鎖体の外周を少なくとも部分的に取り囲んで延在する環状溝の切欠き(20)として形成されており、
切欠き(20)が、燃料の流れ方向において座接触箇所(23)の上流側に設けられており、
弁閉鎖体(4)の、下側に残っている球形部分は、弁座体(5)の弁座面(6)と共働してシール座を形成し、弁閉鎖体(4)の球形部分が、円錐形に傾斜した又は球形に凹面状に湾曲した弁座面(6)に、弁の閉鎖時に接触することを特徴とする燃料噴射弁。 - 弁閉鎖体(4)における少なくとも部分的に環状の切欠き(20)が、弁座体(5)との座接触箇所(23)にまで達している、請求項1記載の燃料噴射弁。
- 弁座領域(6)が少なくとも部分的に、軟質材料から製造されている、請求項1又は2記載の燃料噴射弁。
- 弁座領域(6)が少なくとも部分的に、軟質のプラスチックから製造されている、請求項3記載の燃料噴射弁。
- 弁閉鎖体(4)が弁ニードル(3)と一体的に形成されている、請求項1から4までのいずれか1項記載の燃料噴射弁。
- 弁閉鎖体(4)及び弁ニードル(3)が中空に形成されている、請求項5記載の燃料噴射弁。
- 弁閉鎖体(4)及び弁ニードル(3)が深絞りによって製造されている、請求項5又は6記載の燃料噴射弁。
- 弁座体(5)が燃料の流れ方向において座接触箇所(23)の上に、弁閉鎖体(4)に向かい合っている表面に少なくとも部分的に環状に延びる切欠き(22)を有している、請求項1から7までのいずれか1項記載の燃料噴射弁。
- 切欠き(22)は、少なくとも部分的に環状に延びる溝である、請求項8記載の燃料噴射弁。
- 弁閉鎖体(4)に設けられた少なくとも部分的に環状に延びる切欠き(20)と、弁座体(5)に設けられた少なくとも部分的に環状に延びる切欠き(22)とが互いに向かい合って位置していて、一緒に中空室(27)を形成している、請求項1から9までのいずれか1項記載の燃料噴射弁。
- 弁閉鎖体(4)に設けられた切欠き(20)及び/又は弁座体(5)に設けられた切欠き(22)が、軟質材料によって満たされている、請求項10記載の燃料噴射弁。
- 弁閉鎖体(4)に設けられた切欠き(20)及び/又は弁座体(5)に設けられた切欠き(22)が、プラスチックによって満たされている、請求項11記載の燃料噴射弁。
- 弁座体(5)が1つの区分(26)において中空円錐台形状に形成されている、請求項1から12までのいずれか1項記載の燃料噴射弁。
- 弁座体(5)が少なくとも座接触箇所(23)の領域において薄壁に形成されている、請求項1から13までのいずれか1項記載の燃料噴射弁。
- 弁閉鎖体(4)がその流出側の端部に第2の切欠き(21)を有している、請求項1から14までのいずれか1項記載の燃料噴射弁。
- 燃料噴射弁(1)は、内燃機関の燃焼室内に燃料を直接噴射するための燃料噴射弁(1)である、請求項1から15までのいずれか1項記載の燃料噴射弁。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200610052817 DE102006052817A1 (de) | 2006-11-09 | 2006-11-09 | Brennstoffeinspritzventil |
DE102006052817.4 | 2006-11-09 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007289452A Division JP5637651B2 (ja) | 2006-11-09 | 2007-11-07 | 燃料噴射弁 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015010544A Division JP6066135B2 (ja) | 2006-11-09 | 2015-01-22 | 燃料噴射弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014015940A true JP2014015940A (ja) | 2014-01-30 |
JP6021785B2 JP6021785B2 (ja) | 2016-11-09 |
Family
ID=39277516
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007289452A Expired - Fee Related JP5637651B2 (ja) | 2006-11-09 | 2007-11-07 | 燃料噴射弁 |
JP2013221517A Expired - Fee Related JP6021785B2 (ja) | 2006-11-09 | 2013-10-24 | 燃料噴射弁 |
JP2015010544A Expired - Fee Related JP6066135B2 (ja) | 2006-11-09 | 2015-01-22 | 燃料噴射弁 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007289452A Expired - Fee Related JP5637651B2 (ja) | 2006-11-09 | 2007-11-07 | 燃料噴射弁 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015010544A Expired - Fee Related JP6066135B2 (ja) | 2006-11-09 | 2015-01-22 | 燃料噴射弁 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8893989B2 (ja) |
JP (3) | JP5637651B2 (ja) |
DE (1) | DE102006052817A1 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5537472B2 (ja) | 2011-03-10 | 2014-07-02 | 日立オートモティブシステムズ株式会社 | 燃料噴射装置 |
JP5708342B2 (ja) * | 2011-07-22 | 2015-04-30 | 株式会社デンソー | 弁装置およびそれを用いた流体制御弁 |
DE102012211283A1 (de) * | 2012-06-29 | 2014-01-02 | Robert Bosch Gmbh | Leckage- und schlupfreduziertes Ventil |
JP6035648B2 (ja) * | 2012-11-05 | 2016-11-30 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
US9228550B2 (en) | 2013-03-11 | 2016-01-05 | Stanadyne Llc | Common rail injector with regulated pressure chamber |
JP6338662B2 (ja) * | 2014-06-10 | 2018-06-06 | 日立オートモティブシステムズ株式会社 | 燃料噴射弁 |
JP6511925B2 (ja) * | 2014-08-26 | 2019-05-15 | 株式会社デンソー | 燃料噴射弁 |
EP3252302B1 (en) * | 2015-01-30 | 2019-10-30 | Hitachi Automotive Systems, Ltd. | Fuel injection valve |
ITUB20152480A1 (it) * | 2015-07-24 | 2017-01-24 | Magneti Marelli Spa | Iniettore elettromagnetico di carburante con testa di otturazione sferica in materiale ceramico |
DE102016203028A1 (de) * | 2016-02-26 | 2017-08-31 | Bayerische Motoren Werke Aktiengesellschaft | Kraftstoffinjektor |
DE102016207940A1 (de) | 2016-05-09 | 2017-11-09 | Robert Bosch Gmbh | Injektor zum Einspritzen von Kraftstoff |
FR3051845A1 (fr) * | 2016-05-24 | 2017-12-01 | Delphi Int Operations Luxembourg Sarl | Corps de buse d'injecteur |
CN106939863B (zh) * | 2017-04-28 | 2022-05-17 | 南岳电控(衡阳)工业技术股份有限公司 | 一种配备有计量伺服阀的燃油喷油器 |
JP6453381B2 (ja) * | 2017-05-22 | 2019-01-16 | 日立オートモティブシステムズ株式会社 | 燃料噴射装置 |
DE102018200357A1 (de) * | 2018-01-11 | 2019-07-11 | Robert Bosch Gmbh | Ventil zum Zumessen eines Fluids, insbesondere Brennstoffeinspritzventil |
JP6698802B2 (ja) * | 2018-12-07 | 2020-05-27 | 日立オートモティブシステムズ株式会社 | 燃料噴射装置 |
US11506163B2 (en) * | 2020-12-14 | 2022-11-22 | Caterpillar Inc. | Two-piece outlet check in fuel injector for starting-flow rate shaping |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH09503267A (ja) * | 1994-07-22 | 1997-03-31 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 電磁作動式の弁に用いられる弁ニードルおよび該弁ニードルを製造するための方法 |
JPH10231755A (ja) * | 1997-02-18 | 1998-09-02 | Walbro Corp | 液化燃料用燃料インジェクタ |
JP2003065189A (ja) * | 2001-08-29 | 2003-03-05 | Denso Corp | 流体制御バルブ装置及びその製造方法 |
JP2003519756A (ja) * | 2000-01-08 | 2003-06-24 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 内燃機関のための燃料噴射弁 |
WO2005075812A1 (en) * | 2004-01-28 | 2005-08-18 | Siemens Vdo Automotive Spa | Fluid injector with deformable needle |
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DE19859484A1 (de) | 1998-12-22 | 2000-07-06 | Bosch Gmbh Robert | Kraftstoff-Einspritzventil für eine Hochdruckeinspritzung |
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DE10109611A1 (de) * | 2001-02-28 | 2002-09-05 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
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DE10338081A1 (de) * | 2003-08-19 | 2005-03-10 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
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ITBO20040466A1 (it) * | 2004-07-23 | 2004-10-23 | Magneti Marelli Holding Spa | Iniettore di carburante con attuazione elettromagnetica |
US7472844B2 (en) * | 2005-12-21 | 2009-01-06 | Caterpillar Inc. | Fuel injector nozzle with tip alignment apparatus |
-
2006
- 2006-11-09 DE DE200610052817 patent/DE102006052817A1/de not_active Withdrawn
-
2007
- 2007-11-07 JP JP2007289452A patent/JP5637651B2/ja not_active Expired - Fee Related
- 2007-11-09 US US11/983,460 patent/US8893989B2/en not_active Expired - Fee Related
-
2013
- 2013-10-24 JP JP2013221517A patent/JP6021785B2/ja not_active Expired - Fee Related
-
2015
- 2015-01-22 JP JP2015010544A patent/JP6066135B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09503267A (ja) * | 1994-07-22 | 1997-03-31 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 電磁作動式の弁に用いられる弁ニードルおよび該弁ニードルを製造するための方法 |
JPH10231755A (ja) * | 1997-02-18 | 1998-09-02 | Walbro Corp | 液化燃料用燃料インジェクタ |
JP2003519756A (ja) * | 2000-01-08 | 2003-06-24 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 内燃機関のための燃料噴射弁 |
JP2003065189A (ja) * | 2001-08-29 | 2003-03-05 | Denso Corp | 流体制御バルブ装置及びその製造方法 |
WO2005075812A1 (en) * | 2004-01-28 | 2005-08-18 | Siemens Vdo Automotive Spa | Fluid injector with deformable needle |
Also Published As
Publication number | Publication date |
---|---|
US8893989B2 (en) | 2014-11-25 |
JP5637651B2 (ja) | 2014-12-10 |
US20080149744A1 (en) | 2008-06-26 |
JP2015072019A (ja) | 2015-04-16 |
JP6066135B2 (ja) | 2017-01-25 |
DE102006052817A1 (de) | 2008-05-15 |
JP2008121679A (ja) | 2008-05-29 |
JP6021785B2 (ja) | 2016-11-09 |
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