JP2015055158A - 燃料噴射弁 - Google Patents
燃料噴射弁 Download PDFInfo
- Publication number
- JP2015055158A JP2015055158A JP2013186921A JP2013186921A JP2015055158A JP 2015055158 A JP2015055158 A JP 2015055158A JP 2013186921 A JP2013186921 A JP 2013186921A JP 2013186921 A JP2013186921 A JP 2013186921A JP 2015055158 A JP2015055158 A JP 2015055158A
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- injection
- valve
- hole
- communication hole
- 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
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- 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
- F02M61/186—Multi-layered orifice plates
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- 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
- F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
- F02M51/0667—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature acting as a valve or having a short valve body attached thereto
Abstract
Description
Claims (5)
- 開閉弁方向に駆動される弁体と、前記弁体が離接する弁座と、弁座に対して燃料の流れ方向下流側に形成され径方向の燃料流れを形成する燃料室と、前記燃料室に開口する複数の噴射孔とを備えた燃料噴射弁において、
前記燃料室の径方向中央部に開口し前記燃料室と前記燃料室の上流側とを連通する第1の連通孔と、前記噴射孔の入口開口面の半径方向位置よりも外側で前記燃料室に開口し前記燃料室と前記燃料室の上流側とを連通する第2の連通孔とを備えたことを特徴とする燃料噴射弁。 - 請求項1に記載の燃料噴射弁において、
前記弁座及び前記弁座の下流側に中心軸方向に貫通する貫通孔が形成された弁座部材と、前記第1の連通孔及び前記第2の連通孔が形成された中間プレートと、中央部に形成された膨出部及び前記膨出部に形成された前記複数の噴射孔を有する噴射孔プレートとを備え、
前記中間プレートと前記噴射孔プレートとを中心軸線方向に積層して前記弁座部材の先端側端面に固定したことを特徴とする燃料噴射弁。 - 請求項2に記載の燃料噴射弁において、
前記第1の連通孔は前記弁座部材の前記貫通孔に対して径方向内側に形成され、前記第2の連通孔は前記弁座部材の前記貫通孔に対して径方向内側かつ前記第1の連通孔に対して径方向外側に形成されたことを特徴とする燃料噴射弁。 - 請求項3に記載の燃料噴射弁において、
前記第2の連通孔は、複数の噴射孔の入口開口面が配置された角度範囲に亘って円弧状に形成されたことを特徴とする燃料噴射弁。 - 請求項4に記載の燃料噴射弁において、
前記第2の連通孔は、出口側開口面が入口側開口面に対して径方向外側に位置するように貫通方向が傾斜して形成されたことを特徴とする燃料噴射弁。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013186921A JP5997116B2 (ja) | 2013-09-10 | 2013-09-10 | 燃料噴射弁 |
PCT/JP2014/068660 WO2015037324A1 (ja) | 2013-09-10 | 2014-07-14 | 燃料噴射弁 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013186921A JP5997116B2 (ja) | 2013-09-10 | 2013-09-10 | 燃料噴射弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015055158A true JP2015055158A (ja) | 2015-03-23 |
JP5997116B2 JP5997116B2 (ja) | 2016-09-28 |
Family
ID=52665447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013186921A Active JP5997116B2 (ja) | 2013-09-10 | 2013-09-10 | 燃料噴射弁 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP5997116B2 (ja) |
WO (1) | WO2015037324A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020002845A (ja) * | 2018-06-27 | 2020-01-09 | 株式会社Soken | 燃料噴射弁 |
CN111344483A (zh) * | 2017-11-22 | 2020-06-26 | 日立汽车系统株式会社 | 燃料喷射装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0180664U (ja) * | 1987-11-17 | 1989-05-30 | ||
JP2001132585A (ja) * | 1999-10-13 | 2001-05-15 | Siemens Automotive Corp | 複数のノズルプレートを備えた燃料噴射弁 |
JP2004003519A (ja) * | 2003-08-29 | 2004-01-08 | Denso Corp | 流体噴射ノズル |
JP2006242046A (ja) * | 2005-03-01 | 2006-09-14 | Hitachi Ltd | 燃料噴射弁 |
JP2009228467A (ja) * | 2008-03-19 | 2009-10-08 | Hitachi Ltd | 燃料噴射弁 |
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2013
- 2013-09-10 JP JP2013186921A patent/JP5997116B2/ja active Active
-
2014
- 2014-07-14 WO PCT/JP2014/068660 patent/WO2015037324A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0180664U (ja) * | 1987-11-17 | 1989-05-30 | ||
JP2001132585A (ja) * | 1999-10-13 | 2001-05-15 | Siemens Automotive Corp | 複数のノズルプレートを備えた燃料噴射弁 |
JP2004003519A (ja) * | 2003-08-29 | 2004-01-08 | Denso Corp | 流体噴射ノズル |
JP2006242046A (ja) * | 2005-03-01 | 2006-09-14 | Hitachi Ltd | 燃料噴射弁 |
JP2009228467A (ja) * | 2008-03-19 | 2009-10-08 | Hitachi Ltd | 燃料噴射弁 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111344483A (zh) * | 2017-11-22 | 2020-06-26 | 日立汽车系统株式会社 | 燃料喷射装置 |
JP2020002845A (ja) * | 2018-06-27 | 2020-01-09 | 株式会社Soken | 燃料噴射弁 |
Also Published As
Publication number | Publication date |
---|---|
WO2015037324A1 (ja) | 2015-03-19 |
JP5997116B2 (ja) | 2016-09-28 |
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