FI123570B - Bränsleinjektor - Google Patents

Bränsleinjektor Download PDF

Info

Publication number
FI123570B
FI123570B FI20125450A FI20125450A FI123570B FI 123570 B FI123570 B FI 123570B FI 20125450 A FI20125450 A FI 20125450A FI 20125450 A FI20125450 A FI 20125450A FI 123570 B FI123570 B FI 123570B
Authority
FI
Finland
Prior art keywords
fuel
space
injector
control piston
outlet
Prior art date
Application number
FI20125450A
Other languages
English (en)
Finnish (fi)
Other versions
FI20125450A (sv
Inventor
Vesa Voutilainen
Original Assignee
Waertsilae Finland Oy
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 Waertsilae Finland Oy filed Critical Waertsilae Finland Oy
Priority to FI20125450A priority Critical patent/FI123570B/sv
Priority to KR1020147032020A priority patent/KR102012162B1/ko
Priority to EP13718873.6A priority patent/EP2852752B1/en
Priority to PCT/FI2013/050416 priority patent/WO2013160536A1/en
Priority to CN201380020008.8A priority patent/CN104302905B/zh
Application granted granted Critical
Publication of FI20125450A publication Critical patent/FI20125450A/sv
Publication of FI123570B publication Critical patent/FI123570B/sv

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
    • 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
    • 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
    • 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

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)
  • Fuel-Injection Apparatus (AREA)
FI20125450A 2012-04-24 2012-04-24 Bränsleinjektor FI123570B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20125450A FI123570B (sv) 2012-04-24 2012-04-24 Bränsleinjektor
KR1020147032020A KR102012162B1 (ko) 2012-04-24 2013-04-16 연료 분사기
EP13718873.6A EP2852752B1 (en) 2012-04-24 2013-04-16 Fuel injector
PCT/FI2013/050416 WO2013160536A1 (en) 2012-04-24 2013-04-16 Fuel injector
CN201380020008.8A CN104302905B (zh) 2012-04-24 2013-04-16 燃料喷射器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20125450 2012-04-24
FI20125450A FI123570B (sv) 2012-04-24 2012-04-24 Bränsleinjektor

Publications (2)

Publication Number Publication Date
FI20125450A FI20125450A (sv) 2013-07-15
FI123570B true FI123570B (sv) 2013-07-15

Family

ID=48190535

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20125450A FI123570B (sv) 2012-04-24 2012-04-24 Bränsleinjektor

Country Status (5)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016097463A1 (en) 2014-12-19 2016-06-23 Wärtsilä Finland Oy A fuel injector for an internal combustion piston engine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1041272B1 (en) * 1999-04-01 2004-10-27 Delphi Technologies, Inc. Fuel injector
DE10101802A1 (de) * 2001-01-17 2002-07-18 Bosch Gmbh Robert Ventil zum Steuern von Flüssigkeiten
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
DE102005059437A1 (de) * 2005-12-13 2007-06-14 Robert Bosch Gmbh Kraftstoffinjektor
DE102006026399A1 (de) * 2006-06-07 2007-12-13 Robert Bosch Gmbh Kraftstoffinjektor mit Servounterstützung
DE102007013249A1 (de) * 2007-03-20 2008-09-25 Robert Bosch Gmbh Kraftstoffinjektor mit verbessertem Einspritzverhalten

Also Published As

Publication number Publication date
KR102012162B1 (ko) 2019-10-21
WO2013160536A1 (en) 2013-10-31
EP2852752A1 (en) 2015-04-01
KR20150003816A (ko) 2015-01-09
EP2852752B1 (en) 2016-10-05
CN104302905B (zh) 2016-08-17
FI20125450A (sv) 2013-07-15
CN104302905A (zh) 2015-01-21

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