KR20090040918A - 연료 분사 밸브 - Google Patents
연료 분사 밸브 Download PDFInfo
- Publication number
- KR20090040918A KR20090040918A KR1020097005373A KR20097005373A KR20090040918A KR 20090040918 A KR20090040918 A KR 20090040918A KR 1020097005373 A KR1020097005373 A KR 1020097005373A KR 20097005373 A KR20097005373 A KR 20097005373A KR 20090040918 A KR20090040918 A KR 20090040918A
- Authority
- KR
- South Korea
- Prior art keywords
- valve
- hole
- fuel injection
- valve body
- seat
- Prior art date
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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
-
- 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
- F02M51/0671—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 having an elongated valve body attached thereto
- F02M51/0675—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 having an elongated valve body attached thereto the valve body having cylindrical guiding or metering portions, e.g. with fuel passages
-
- 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
- F02M51/0671—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 having an elongated valve body attached thereto
- F02M51/0675—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 having an elongated valve body attached thereto the valve body having cylindrical guiding or metering portions, e.g. with fuel passages
- F02M51/0678—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 having an elongated valve body attached thereto the valve body having cylindrical guiding or metering portions, e.g. with fuel passages all portions having fuel passages, e.g. flats, grooves, diameter reductions
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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
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/08—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series the valves opening in direction of fuel flow
-
- 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
- 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
-
- 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
- F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
- F02M61/1813—Discharge orifices having different orientations with respect to valve member direction of movement, e.g. orientations being such that fuel jets emerging from discharge orifices collide with each other
-
- 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
- F02M61/1866—Valve seats or member ends having multiple cones
-
- 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
- F02M61/18—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
Abstract
Description
Claims (5)
- 밸브시트를 개폐하기 위한 밸브체를 가지며, 제어 장치로부터 동작 신호를 받아서 이 밸브체를 동작시킴으로써, 밸브시트 하류측에 장착된 분공 플레이트에 복수 마련된 분공으로부터 연료를 분사하는 연료 분사 밸브에 있어서, 밸브체 선단부에 상기 분공 플레이트와 거의 평행한 평탄면을 가지며, 밸브시트 시트부 하류측의 내벽의 연장과 분공 플레이트 상류측 평면이 교차하는 가상 포락선의 내측이면서 상기 밸브체 선단의 평탄부보다 외측에 상기 분공의 분공 입구부를 배치하고, 분공 입구경(d)에 대해, 밸브개방 상태에서의 상기 밸브체 선단의 평탄부와 상기 분공 플레이트 상류측 평면의 수직선 거리(h)가, h<d의 관계를 가지며, 또한 상기 분공은 상기 분공 플레이트 판두께 방향에 대해 소정 각도 경사하여 형성한 것을 특징으로 하는 연료 분사 밸브.
- 밸브시트를 개폐하기 위한 밸브체를 가지며, 제어 장치로부터 동작 신호를 받아서 이 밸브체를 동작시킴으로써, 밸브시트 하류측에 장착된 분공 플레이트에 복수 마련된 분공으로부터 연료를 분사하는 연료 분사 밸브에 있어서, 밸브체 선단부와 거의 평행하게 하류측으로 돌출하는 볼록부를 상기 분공 플레이트 중앙부에 마련하고, 또한 분공 입구경(d)에 대해, 밸브개방 상태에서의 상기 밸브체 선단부와 상기 분공 플레이트 중앙부의 최단 거리(r)가, r<d의 관계를 가지며, 밸브시트 최소 내경보다도 내측이면서 상기 분공 플레이트 외주측의 평면부에 상기 분공의 분공 입구부를 배치한 것을 특징으로 하는 연료 분사 밸브.
- 제 1항 또는 제 2항에 있어서,상기 밸브시트 시트부의 끼움각을 α라고 하면, 상기 밸브시트 시트부의 시트면 하류측에 끼움각(β)인 테이퍼면을 마련하고, α>β의 관계로 한 것을 특징으로 하는 연료 분사 밸브.
- 제 3항에 있어서,상기 시트면 하류측의 끼움각(β)인 테이퍼면에, 복수의 딤플을 마련한 것을 특징으로 하는 연료 분사 밸브.
- 제 3항에 있어서,상기 시트면 하류측의 끼움각(β)인 테이퍼면에, 복수의 고리형상 홈을 마련한 것을 특징으로 하는 연료 분사 밸브.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/051378 WO2008093387A1 (ja) | 2007-01-29 | 2007-01-29 | 燃料噴射弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090040918A true KR20090040918A (ko) | 2009-04-27 |
KR101019324B1 KR101019324B1 (ko) | 2011-03-07 |
Family
ID=39673707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020097005373A KR101019324B1 (ko) | 2007-01-29 | 2007-01-29 | 연료 분사 밸브 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9726131B2 (ko) |
EP (1) | EP2108811B1 (ko) |
KR (1) | KR101019324B1 (ko) |
CN (1) | CN101589222B (ko) |
WO (1) | WO2008093387A1 (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101371033B (zh) * | 2007-03-27 | 2010-10-27 | 三菱电机株式会社 | 燃料喷射阀 |
JP5295311B2 (ja) * | 2011-06-09 | 2013-09-18 | 三菱電機株式会社 | 燃料噴射弁 |
JP5295337B2 (ja) * | 2011-10-19 | 2013-09-18 | 三菱電機株式会社 | 流体噴射弁による噴霧生成方法、流体噴射弁、及び噴霧生成装置 |
JP6059915B2 (ja) * | 2012-08-27 | 2017-01-11 | 日立オートモティブシステムズ株式会社 | 燃料噴射弁 |
JP5491612B1 (ja) | 2012-12-11 | 2014-05-14 | 三菱電機株式会社 | 流体噴射弁及び噴霧生成装置 |
US10400729B2 (en) | 2013-04-16 | 2019-09-03 | Mitsubishi Electric Corporation | Fuel injection valve |
WO2015116231A1 (en) * | 2014-02-03 | 2015-08-06 | Cummins Inc. | Dimpled needle valve sac |
KR101626300B1 (ko) * | 2015-06-09 | 2016-06-14 | 동방테크 주식회사 | 인젝터 |
JP6839796B2 (ja) * | 2016-02-24 | 2021-03-10 | 日立Astemo株式会社 | 燃料噴射装置 |
JP6692451B2 (ja) * | 2016-11-09 | 2020-05-13 | 三菱電機株式会社 | 燃料噴射弁 |
JP2019203406A (ja) * | 2018-05-22 | 2019-11-28 | 株式会社Soken | 燃料噴射弁 |
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-
2007
- 2007-01-29 US US12/444,780 patent/US9726131B2/en active Active
- 2007-01-29 KR KR1020097005373A patent/KR101019324B1/ko active IP Right Grant
- 2007-01-29 EP EP07707609.9A patent/EP2108811B1/en active Active
- 2007-01-29 CN CN2007800487025A patent/CN101589222B/zh active Active
- 2007-01-29 WO PCT/JP2007/051378 patent/WO2008093387A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN101589222B (zh) | 2012-05-09 |
KR101019324B1 (ko) | 2011-03-07 |
EP2108811A4 (en) | 2013-07-03 |
WO2008093387A1 (ja) | 2008-08-07 |
US20100090031A1 (en) | 2010-04-15 |
EP2108811B1 (en) | 2014-07-09 |
CN101589222A (zh) | 2009-11-25 |
EP2108811A1 (en) | 2009-10-14 |
US9726131B2 (en) | 2017-08-08 |
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