ATE389796T1 - FUEL INJECTION VALVE - Google Patents
FUEL INJECTION VALVEInfo
- Publication number
- ATE389796T1 ATE389796T1 AT05701507T AT05701507T ATE389796T1 AT E389796 T1 ATE389796 T1 AT E389796T1 AT 05701507 T AT05701507 T AT 05701507T AT 05701507 T AT05701507 T AT 05701507T AT E389796 T1 ATE389796 T1 AT E389796T1
- Authority
- AT
- Austria
- Prior art keywords
- nozzle needle
- fuel
- injection valve
- valve
- outer nozzle
- Prior art date
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
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/46—Valves, e.g. injectors, with concentric valve bodies
-
- 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
- F02M63/0012—Valves
- F02M63/0014—Valves characterised by the valve actuating means
- F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
- F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
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)
Abstract
The invention relates to a fuel-injection valve comprising a nozzle module (12). An outer nozzle needle (24), which co-operates with a first injection orifice (32) and is surrounded by a high-pressure chamber (20) that is connected to a fuel-supply channel (62) and an inner nozzle needle (26), which co-operates with at least one second injection orifice (34) and is guided in a channel that axially penetrates the outer nozzle needle (24), are configured in said module to be axially displaced. The fuel-injection valve also comprises a valve-type valve control module (12), which controls the fluid pressure prevailing in a valve control chamber (36) that is equipped with an input throttle (64) and an output throttle (68). The level of the fluid pressure defines the position of the outer nozzle needle (24) and the inner nozzle needle (26). The outer nozzle needle (24) has at least one transverse channel (46), via which fuel can be conducted from the high-pressure chamber (20) to the periphery and the inner pressure stage (50) of the inner nozzle needle (26).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004011095A DE102004011095A1 (en) | 2004-03-06 | 2004-03-06 | Fuel injection valve |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE389796T1 true ATE389796T1 (en) | 2008-04-15 |
Family
ID=34877505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT05701507T ATE389796T1 (en) | 2004-03-06 | 2005-01-13 | FUEL INJECTION VALVE |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1727977B1 (en) |
AT (1) | ATE389796T1 (en) |
DE (2) | DE102004011095A1 (en) |
WO (1) | WO2005085624A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006037175A1 (en) * | 2006-08-09 | 2008-02-14 | Robert Bosch Gmbh | An automotive fuel injection valve has concentric spring with elastic side-extensions subjected to lateral shift |
DE102006051583A1 (en) * | 2006-11-02 | 2008-05-08 | Robert Bosch Gmbh | Fuel injector with storage volume segment |
GB0801997D0 (en) | 2007-05-01 | 2008-03-12 | Delphi Tech Inc | Fuel injector |
DE102009046336A1 (en) | 2009-11-03 | 2011-05-05 | Robert Bosch Gmbh | Valve arrangement for controlling lifting movements and positions of nozzle needle in fuel injector, has compression spring with spring brackets that are arranged within circular-cylindrical surface and extended in circumferential direction |
US8690075B2 (en) | 2011-11-07 | 2014-04-08 | Caterpillar Inc. | Fuel injector with needle control system that includes F, A, Z and E orifices |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5899389A (en) * | 1997-06-02 | 1999-05-04 | Cummins Engine Company, Inc. | Two stage fuel injector nozzle assembly |
US6705543B2 (en) * | 2001-08-22 | 2004-03-16 | Cummins Inc. | Variable pressure fuel injection system with dual flow rate injector |
DE10155227A1 (en) * | 2001-11-09 | 2003-05-22 | Bosch Gmbh Robert | Fuel injection valve for internal combustion engines |
DE10205970A1 (en) * | 2002-02-14 | 2003-09-04 | Bosch Gmbh Robert | Fuel injection valve for internal combustion engines |
DE10254186A1 (en) * | 2002-11-20 | 2004-06-17 | Siemens Ag | Injector with a directly driven register nozzle needle for fuel injection into an internal combustion engine |
-
2004
- 2004-03-06 DE DE102004011095A patent/DE102004011095A1/en not_active Withdrawn
-
2005
- 2005-01-13 WO PCT/EP2005/050122 patent/WO2005085624A1/en active IP Right Grant
- 2005-01-13 DE DE502005003321T patent/DE502005003321D1/en active Active
- 2005-01-13 AT AT05701507T patent/ATE389796T1/en not_active IP Right Cessation
- 2005-01-13 EP EP05701507A patent/EP1727977B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
EP1727977A1 (en) | 2006-12-06 |
EP1727977B1 (en) | 2008-03-19 |
DE502005003321D1 (en) | 2008-04-30 |
WO2005085624A1 (en) | 2005-09-15 |
DE102004011095A1 (en) | 2005-09-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
REN | Ceased due to non-payment of the annual fee |