FI120844B - Bransleförräd för bränsleinmatningssystem - Google Patents

Bransleförräd för bränsleinmatningssystem Download PDF

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Publication number
FI120844B
FI120844B FI20075394A FI20075394A FI120844B FI 120844 B FI120844 B FI 120844B FI 20075394 A FI20075394 A FI 20075394A FI 20075394 A FI20075394 A FI 20075394A FI 120844 B FI120844 B FI 120844B
Authority
FI
Finland
Prior art keywords
fuel
channel
recess
pressure
space
Prior art date
Application number
FI20075394A
Other languages
English (en)
Finnish (fi)
Other versions
FI20075394A0 (sv
FI20075394A (sv
Inventor
Kjell Eklund
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 FI20075394A priority Critical patent/FI120844B/sv
Publication of FI20075394A0 publication Critical patent/FI20075394A0/sv
Priority to PCT/FI2008/050307 priority patent/WO2008145818A2/en
Priority to EP08761703A priority patent/EP2148982B1/en
Priority to KR1020097026662A priority patent/KR101440658B1/ko
Priority to CN2008800180651A priority patent/CN101680409B/zh
Priority to AT08761703T priority patent/ATE510125T1/de
Publication of FI20075394A publication Critical patent/FI20075394A/sv
Application granted granted Critical
Publication of FI120844B publication Critical patent/FI120844B/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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • F02M55/025—Common rails
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails

Claims (9)

1. Bränsleförräd (12) för en kolvmotors bränsleinmatningssystem, vilket bränsleförräd omfattar en ram (20) som avgränsar ett bränsleutrymme (21) 5 för trycksatt bränsle, och atminstone en kanal (22) som mynnar ut i bränsleutrymmet (21) och som vid sin mynning (25) har en rännliknande fördjupning (24,24') som endast sträcker sig över en del av bränsleutrymmets (21) längd, kännetecknat av att fördjupningen (24, 24') i genomskärning har formen av en cirkelbäge.
2. Bränsleförräd (12) enligt patentkrav 1, kännetecknat av att vid kanalens (22) mynning (25) finns tvä rännliknande fördjupningar (24') med delvis överlappande genomskärningar.
3. Bränsleförrad (12) enligt patentkrav 2, kännetecknat av att fördjupningarnas (24') skärpunkt ligger i mittpunkten av kanalens (22) mynning (25).
4. Bränsleförräd (12) enligt nägot av föregäende patentkrav, kännetecknat av att fördjupningens (24, 24') längdaxel (27) är parallell med bränsleutrymmets 20 (21) längdaxel (26).
5. Bränsleförräd (12) enligt nägot av de föregäende patentkraven 1 eller 4, kännetecknat av att mittpunkten av kanalens (22) mynning (25) ligger i mitten av fördjupningen (24). 25
6. Bränsleförräd (12) enligt nägot av föregäende patentkrav, kännetecknat av att fördjupningens (24,24') djuplek (h, h') är 3 -10 % av bränsleutrymmets (21) inre diameter (D).
7. Bränsleförrad (12) enligt nägot av föregäende patentkrav, kännetecknat av att fördjupningens (24, 24') längd (L, L') är 2 - 5 ganger större än kanalens (22) diameter.
8. Bränsleförrad (12) enligt nägot av föregäende patentkrav, kännetecknat av att kanalen är en inmatningskanal (22) längs vilken leds bränsle tili bränsleutrymmet (21).
9. Bränsleinmatningssystem (28) för kolvmotor, kännetecknat av ett 10 bränsleutrymme (12) enligt nägot av föregäende patentkrav.
FI20075394A 2007-05-31 2007-05-31 Bransleförräd för bränsleinmatningssystem FI120844B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI20075394A FI120844B (sv) 2007-05-31 2007-05-31 Bransleförräd för bränsleinmatningssystem
PCT/FI2008/050307 WO2008145818A2 (en) 2007-05-31 2008-05-27 Fuel storage for a fuel feed system
EP08761703A EP2148982B1 (en) 2007-05-31 2008-05-27 Fuel storage in a fuel feed system
KR1020097026662A KR101440658B1 (ko) 2007-05-31 2008-05-27 연료공급 시스템내의 연료저장부
CN2008800180651A CN101680409B (zh) 2007-05-31 2008-05-27 燃料供给系统中的燃料存储器
AT08761703T ATE510125T1 (de) 2007-05-31 2008-05-27 Brennstofflagerung in einem brennstoffzufuhrsystem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20075394 2007-05-31
FI20075394A FI120844B (sv) 2007-05-31 2007-05-31 Bransleförräd för bränsleinmatningssystem

Publications (3)

Publication Number Publication Date
FI20075394A0 FI20075394A0 (sv) 2007-05-31
FI20075394A FI20075394A (sv) 2008-12-01
FI120844B true FI120844B (sv) 2010-03-31

Family

ID=38069561

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20075394A FI120844B (sv) 2007-05-31 2007-05-31 Bransleförräd för bränsleinmatningssystem

Country Status (6)

Country Link
EP (1) EP2148982B1 (sv)
KR (1) KR101440658B1 (sv)
CN (1) CN101680409B (sv)
AT (1) ATE510125T1 (sv)
FI (1) FI120844B (sv)
WO (1) WO2008145818A2 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2299102A1 (en) * 2009-09-07 2011-03-23 OMT Officine Meccaniche Torino S.p.A. High-pressure fuel accumulator for common-rail injection systems
EP2511517B1 (en) * 2011-04-15 2015-04-01 Wärtsilä Schweiz AG A high pressure fluid rail
WO2016135369A1 (en) * 2015-02-23 2016-09-01 Wärtsilä Finland Oy Fuel injection system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI107831B (sv) 1998-05-20 2001-10-15 Waertsilae Tech Oy Ab Bränslematningssystem
DE19948339C1 (de) * 1999-10-07 2000-12-14 Bosch Gmbh Robert Kraftstoffhochdruckspeicher
DE19949963A1 (de) * 1999-10-16 2001-04-26 Bosch Gmbh Robert Verfahren zum Herstellen eines Kraftstoffhochdruckspeichers
DE19949962A1 (de) * 1999-10-16 2001-04-26 Bosch Gmbh Robert Kraftstoffhochdruckspeicher und Verfahren zur Herstellung eines Kraftstoffhochdruckspeichers
DE10152261A1 (de) 2001-10-20 2003-04-30 Bosch Gmbh Robert Hochdruckspeicher wie Kraftstoffhochdruckspeicher
DK1413744T3 (da) 2002-10-23 2006-02-13 Waertsilae Nsd Schweiz Ag Tryklager til et common rail system
US7021291B2 (en) 2003-12-24 2006-04-04 Cummins Inc. Juncture for a high pressure fuel system

Also Published As

Publication number Publication date
FI20075394A0 (sv) 2007-05-31
FI20075394A (sv) 2008-12-01
EP2148982A2 (en) 2010-02-03
KR101440658B1 (ko) 2014-09-19
WO2008145818A3 (en) 2009-01-22
EP2148982B1 (en) 2011-05-18
CN101680409B (zh) 2011-11-16
KR20100019531A (ko) 2010-02-18
CN101680409A (zh) 2010-03-24
WO2008145818A2 (en) 2008-12-04
ATE510125T1 (de) 2011-06-15

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