KR102012162B1 - 연료 분사기 - Google Patents

연료 분사기 Download PDF

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Publication number
KR102012162B1
KR102012162B1 KR1020147032020A KR20147032020A KR102012162B1 KR 102012162 B1 KR102012162 B1 KR 102012162B1 KR 1020147032020 A KR1020147032020 A KR 1020147032020A KR 20147032020 A KR20147032020 A KR 20147032020A KR 102012162 B1 KR102012162 B1 KR 102012162B1
Authority
KR
South Korea
Prior art keywords
fuel
injector
space
fluid communication
outlet
Prior art date
Application number
KR1020147032020A
Other languages
English (en)
Korean (ko)
Other versions
KR20150003816A (ko
Inventor
베사 보우띨라이넨
Original Assignee
바르실라 핀랜드 오이
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 바르실라 핀랜드 오이 filed Critical 바르실라 핀랜드 오이
Publication of KR20150003816A publication Critical patent/KR20150003816A/ko
Application granted granted Critical
Publication of KR102012162B1 publication Critical patent/KR102012162B1/ko

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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
    • 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
    • F02M47/02—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
    • 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
    • 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
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection 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
    • F02M2200/21—Fuel-injection apparatus with piezoelectric or magnetostrictive elements
    • 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
    • F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
    • F02M2200/703—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic

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  • 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)
  • Fuel-Injection Apparatus (AREA)
KR1020147032020A 2012-04-24 2013-04-16 연료 분사기 KR102012162B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20125450 2012-04-24
FI20125450A FI123570B (en) 2012-04-24 2012-04-24 fuel injector
PCT/FI2013/050416 WO2013160536A1 (en) 2012-04-24 2013-04-16 Fuel injector

Publications (2)

Publication Number Publication Date
KR20150003816A KR20150003816A (ko) 2015-01-09
KR102012162B1 true KR102012162B1 (ko) 2019-10-21

Family

ID=48190535

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020147032020A KR102012162B1 (ko) 2012-04-24 2013-04-16 연료 분사기

Country Status (5)

Country Link
EP (1) EP2852752B1 (zh)
KR (1) KR102012162B1 (zh)
CN (1) CN104302905B (zh)
FI (1) FI123570B (zh)
WO (1) WO2013160536A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3234341B1 (en) 2014-12-19 2019-02-06 Wärtsilä Finland Oy A fuel injector for an internal combustion piston engine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6471142B1 (en) 1999-04-01 2002-10-29 Delphi Technologies, Inc. Fuel injector
JP2003214280A (ja) 2002-01-21 2003-07-30 Denso Corp 油圧ピストンおよびそれを用いた燃料噴射装置
DE102006026399A1 (de) 2006-06-07 2007-12-13 Robert Bosch Gmbh Kraftstoffinjektor mit Servounterstützung
WO2008113630A1 (de) 2007-03-20 2008-09-25 Robert Bosch Gmbh Kraftstoffinjektor mit verbessertem einspritzverhalten

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10101802A1 (de) * 2001-01-17 2002-07-18 Bosch Gmbh Robert Ventil zum Steuern von Flüssigkeiten
DE102005059437A1 (de) * 2005-12-13 2007-06-14 Robert Bosch Gmbh Kraftstoffinjektor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6471142B1 (en) 1999-04-01 2002-10-29 Delphi Technologies, Inc. Fuel injector
JP2003214280A (ja) 2002-01-21 2003-07-30 Denso Corp 油圧ピストンおよびそれを用いた燃料噴射装置
DE102006026399A1 (de) 2006-06-07 2007-12-13 Robert Bosch Gmbh Kraftstoffinjektor mit Servounterstützung
WO2008113630A1 (de) 2007-03-20 2008-09-25 Robert Bosch Gmbh Kraftstoffinjektor mit verbessertem einspritzverhalten

Also Published As

Publication number Publication date
FI123570B (en) 2013-07-15
WO2013160536A1 (en) 2013-10-31
FI20125450A (fi) 2013-07-15
KR20150003816A (ko) 2015-01-09
CN104302905A (zh) 2015-01-21
EP2852752A1 (en) 2015-04-01
EP2852752B1 (en) 2016-10-05
CN104302905B (zh) 2016-08-17

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