WO2012057530A3 - 내연기관용 연료분사밸브 - Google Patents

내연기관용 연료분사밸브 Download PDF

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Publication number
WO2012057530A3
WO2012057530A3 PCT/KR2011/008048 KR2011008048W WO2012057530A3 WO 2012057530 A3 WO2012057530 A3 WO 2012057530A3 KR 2011008048 W KR2011008048 W KR 2011008048W WO 2012057530 A3 WO2012057530 A3 WO 2012057530A3
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WO
WIPO (PCT)
Prior art keywords
needle
pilot
main
fuel
valve
Prior art date
Application number
PCT/KR2011/008048
Other languages
English (en)
French (fr)
Other versions
WO2012057530A2 (ko
Inventor
김동훈
박태형
Original Assignee
현대중공업 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 현대중공업 주식회사 filed Critical 현대중공업 주식회사
Priority to EP11836622.8A priority Critical patent/EP2634414B1/en
Priority to US13/881,914 priority patent/US9388782B2/en
Priority to CN201180051438.7A priority patent/CN103180600B/zh
Priority to JP2013536515A priority patent/JP5580939B2/ja
Publication of WO2012057530A2 publication Critical patent/WO2012057530A2/ko
Publication of WO2012057530A3 publication Critical patent/WO2012057530A3/ko

Links

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
    • F02M61/04—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
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02D19/0686—Injectors
    • F02D19/0694—Injectors operating with a plurality of fuels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
    • F02D19/10—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels peculiar to compression-ignition engines in which the main fuel is gaseous
    • F02D19/105—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels peculiar to compression-ignition engines in which the main fuel is gaseous operating in a special mode, e.g. in a liquid fuel only mode for starting
    • 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/08—Injectors peculiar thereto
    • F02M45/086—Having more than one injection-valve controlling discharge orifices
    • 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
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
    • 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
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/04—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure using fluid, other than fuel, for injection-valve actuation
    • F02M47/043—Fluid pressure acting on injection-valve in the period of non-injection to keep it closed
    • 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
    • F02M61/042—The valves being provided 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
    • 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
    • F02M61/182—Discharge orifices being situated in different transversal planes with respect to valve member direction of movement
    • 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
    • F02M61/1826—Discharge orifices having different sizes
    • 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
    • F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
    • 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
    • F02M67/00—Apparatus in which fuel-injection is effected by means of high-pressure gas, the gas carrying the fuel into working cylinders of the engine, e.g. air-injection type
    • F02M67/02—Apparatus in which fuel-injection is effected by means of high-pressure gas, the gas carrying the fuel into working cylinders of the engine, e.g. air-injection type the gas being compressed air, e.g. compressed in pumps
    • 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
    • F02M2200/46—Valves, e.g. injectors, with concentric valve bodies
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

본 발명은 내연기관용 연료분사밸브에 관한 것으로, 압축된 고압의 연료유 및 압축공기에 의해 메인/파일럿 니들이 개방되거나, 파일럿 니들만 개방되도록 하여, 하나의 연료분사밸브내에서 메인분사와 파일럿 분사로 구분 분사한다. 본 발명은 밸브 몸체와, 상기 밸브 몸체 하단에 결합되는 노즐과, 상기 밸브 몸체내에 설치되고 상측에 압축공기 챔버를 구비하는 밸브 플레이트와, 상기 밸브 플레이트 하단에 위치하는 메인 니들 스핀들과, 상기 메인 니들 스핀들의 하단에 위치하도록 노즐에 설치되고 공급되는 압축 연료유에 의해 노즐에 형성된 밸브 유로를 개방하여 메인 분사홀을 통해 연료의 분사가 이루어지게 하며 파일럿 공급구를 구비하는 메인 니들과, 상기 메인 니들스핀들과 밸브 플레이트 사이에 위치하도록 설치되는 메인 니들스프링과, 상기 밸브 플레이트내로 하측이 삽입되고 상측 내부에 압축공기 챔버내로 공기를 공급하는 공기 공급홀을 구비한 스프링 플레이트와, 상기 스프링 플레이트의 하단에 위치하는 파일럿 니들스프링과, 상기 파일럿 니들스프링의 하단에 위치하는 파일럿 니들 스핀들과, 상기 파일럿 니들 스핀들의 하단에 위치하도록 메인 니들에 설치되고 메인 니들의 파일럿 공급구를 통해 공급된 연료유에 의해 작동되어 메인 니들 내에 형성된 밸브 유로를 개방하여 파일럿 분사홀을 통해 연료의 분사가 이루어지게 하는 파일럿 니들을 포함한다.
PCT/KR2011/008048 2010-10-28 2011-10-27 내연기관용 연료분사밸브 WO2012057530A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP11836622.8A EP2634414B1 (en) 2010-10-28 2011-10-27 Fuel-injection valve for an internal combustion engine
US13/881,914 US9388782B2 (en) 2010-10-28 2011-10-27 Fuel-injection valve for an internal combustion engine
CN201180051438.7A CN103180600B (zh) 2010-10-28 2011-10-27 内燃机构用燃料喷射阀
JP2013536515A JP5580939B2 (ja) 2010-10-28 2011-10-27 内燃機関用の燃料噴射弁

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0105734 2010-10-28
KR1020100105734A KR101137614B1 (ko) 2010-10-28 2010-10-28 내연기관용 연료분사밸브

Publications (2)

Publication Number Publication Date
WO2012057530A2 WO2012057530A2 (ko) 2012-05-03
WO2012057530A3 true WO2012057530A3 (ko) 2012-06-21

Family

ID=45994564

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/008048 WO2012057530A2 (ko) 2010-10-28 2011-10-27 내연기관용 연료분사밸브

Country Status (6)

Country Link
US (1) US9388782B2 (ko)
EP (1) EP2634414B1 (ko)
JP (1) JP5580939B2 (ko)
KR (1) KR101137614B1 (ko)
CN (1) CN103180600B (ko)
WO (1) WO2012057530A2 (ko)

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Publication number Priority date Publication date Assignee Title
KR101400555B1 (ko) * 2013-01-30 2014-05-28 현대중공업 주식회사 디젤엔진 연료분사밸브
KR101400485B1 (ko) * 2013-01-30 2014-05-28 현대중공업 주식회사 이원연료엔진 연료분사밸브
US20150017928A1 (en) * 2013-07-09 2015-01-15 Azimuth Systems, Inc. Over-the-air testing of wireless devices using log files
DK178149B1 (en) * 2013-10-30 2015-06-29 Man Diesel & Turbo Deutschland A Fuel Valve for Pilot Oil Injection and for Injecting Gaseous Fuel into the Combustion Chamber of a Self-Igniting Internal Combustion Engine
CN104265533B (zh) * 2014-07-31 2016-08-24 中国第一汽车股份有限公司无锡油泵油嘴研究所 一种共轨喷油器
JP6453674B2 (ja) * 2014-08-05 2019-01-16 株式会社Ｓｏｋｅｎ 燃料噴射弁

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JPH0233463A (ja) * 1988-07-21 1990-02-02 Mitsubishi Heavy Ind Ltd 二元燃料噴射弁
EP0610584B1 (de) * 1993-02-09 1996-09-04 Steyr Nutzfahrzeuge Ag Kraftstoffeinspritzvorrichtung für eine Vor- und Hauptspritzung unterschiedlicher Kraftstoffe über ein Einnadel-Einspritzventil
US5884611A (en) * 1997-10-14 1999-03-23 Cummins Engine Company, Inc. Effervescent injector for diesel engines
JP2004028064A (ja) * 2002-06-28 2004-01-29 Denso Corp 燃料噴射弁
JP2007023969A (ja) * 2005-07-20 2007-02-01 Denso Corp 燃料噴射弁
JP2009275646A (ja) * 2008-05-16 2009-11-26 Denso Corp 燃料噴射ノズル

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Title
See also references of EP2634414A4 *

Also Published As

Publication number Publication date
JP5580939B2 (ja) 2014-08-27
EP2634414A2 (en) 2013-09-04
CN103180600A (zh) 2013-06-26
US9388782B2 (en) 2016-07-12
EP2634414B1 (en) 2015-10-28
KR101137614B1 (ko) 2012-04-19
EP2634414A4 (en) 2014-08-13
CN103180600B (zh) 2015-07-15
US20130214065A1 (en) 2013-08-22
JP2013540949A (ja) 2013-11-07
WO2012057530A2 (ko) 2012-05-03

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