EP1939440A3 - Fuel injector valve - Google Patents
Fuel injector valve Download PDFInfo
- Publication number
- EP1939440A3 EP1939440A3 EP07122092A EP07122092A EP1939440A3 EP 1939440 A3 EP1939440 A3 EP 1939440A3 EP 07122092 A EP07122092 A EP 07122092A EP 07122092 A EP07122092 A EP 07122092A EP 1939440 A3 EP1939440 A3 EP 1939440A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- outlet
- solenoid valve
- valve
- fuel injection
- fuel injector
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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
- 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
- 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
- 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
- F02M63/0024—Valves characterised by the valve actuating means electrical, e.g. using solenoid in combination with permanent magnet
-
- 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
- F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
- F02M63/0045—Three-way valves
-
- 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
- F02M63/0059—Arrangements of valve actuators
- F02M63/0061—Single actuator acting on two or more 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
- F02M63/0059—Arrangements of valve actuators
- F02M63/0063—Two or more actuators acting on a single valve body
-
- 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
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
Ein Brennstoffeinspritzventil (1) dient als Injektor für Brennstoffeinspritzanlagen von luftverdichtenden, selbstzündenden Brennkraftmaschinen. Das Brennstoffeinspritzventil (1) weist ein Ventilgehäuse (2) und ein in dem Ventilgehäuse (2) angeordnetes Magnetventil (20) auf. Dabei steuert das Magnetventil (20) über einen Servosteuerkreislauf (40) eine Brennstoffmenge, die durch Düsenöffnungen (15,58) abspritzbar ist. Dabei sperrt das Magnetventil (20) in einer ersten Stellung eine Verbindung eines ersten Ablaufs (34) und eines zweiten Ablaufs (35) des Servosteuerkreislaufs (40) mit einem Rücklauf (32). In einer zweiten Stellung gibt das Magnetventil (20) den ersten Ablauf (34) und den zweiten Ablauf (35) frei. Des weiteren gibt das Magnetventil (20) in einer dritten Stellung den ersten Ablauf (34) frei und sperrt den zweiten Ablauf (35). A fuel injection valve (1) serves as an injector for fuel injection systems of air-compressing, self-igniting internal combustion engines. The fuel injection valve (1) has a valve housing (2) and a solenoid valve (20) arranged in the valve housing (2). In this case, the solenoid valve (20) via a servo control circuit (40) controls a fuel quantity which can be sprayed off through nozzle openings (15, 58). The solenoid valve (20) blocks in a first position a connection of a first outlet (34) and a second outlet (35) of the servo control circuit (40) with a return (32). In a second position, the solenoid valve (20) releases the first outlet (34) and the second outlet (35). Furthermore, the solenoid valve (20) releases the first outlet (34) in a third position and blocks the second outlet (35).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200610061947 DE102006061947A1 (en) | 2006-12-29 | 2006-12-29 | Fuel injector |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1939440A2 EP1939440A2 (en) | 2008-07-02 |
EP1939440A3 true EP1939440A3 (en) | 2009-09-09 |
EP1939440B1 EP1939440B1 (en) | 2013-06-19 |
Family
ID=39230762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20070122092 Not-in-force EP1939440B1 (en) | 2006-12-29 | 2007-12-03 | Fuel injector valve |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1939440B1 (en) |
DE (1) | DE102006061947A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2924175A3 (en) * | 2007-11-23 | 2009-05-29 | Renault Sas | Fuel injecting device for combustion engine, has sliding needle comprising portion introduced in control chamber, and closing unit adopting intermediate stable configuration in which fuel leakage opening is partially closed |
GB0919645D0 (en) | 2009-11-10 | 2009-12-23 | Sentec Ltd | Flux switched fuel injector |
US9562505B2 (en) * | 2013-06-11 | 2017-02-07 | Cummins Inc. | System and method for control of fuel injector spray |
DE102013112751A1 (en) * | 2013-11-19 | 2015-05-21 | Denso Corporation | fuel injector |
DE102013112752A1 (en) * | 2013-11-19 | 2015-05-21 | Denso Corporation | fuel injector |
DE102017202932A1 (en) * | 2017-02-23 | 2018-08-23 | Robert Bosch Gmbh | Fuel injection valve for injecting a gaseous and / or liquid fuel |
DE102017212084A1 (en) | 2017-07-14 | 2019-01-17 | Robert Bosch Gmbh | Bistable solenoid valve for a hydraulic brake system and method for controlling such a valve |
CN114483404B (en) * | 2022-03-09 | 2023-02-14 | 哈尔滨工程大学 | Electromagnetic-permanent magnet multi-magnetic field combined type high-speed electromagnetic valve with flexible damping |
CN114458502A (en) * | 2022-03-09 | 2022-05-10 | 哈尔滨工程大学 | Permanent magnet-electromagnetic coupling magnetic field high-speed electromagnetic valve capable of stably sitting |
CN114458504B (en) * | 2022-03-09 | 2022-10-28 | 哈尔滨工程大学 | Variable-damping pre-magnetized permanent magnet-electromagnetic hybrid excitation high-speed electromagnetic valve |
CN115977842B (en) * | 2023-01-05 | 2024-04-12 | 钧风电控科技(泰州)有限责任公司 | Auxiliary closing fuel injector |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10031686A1 (en) * | 1999-06-29 | 2001-03-22 | Aisan Ind | Injectors |
FR2823535A1 (en) * | 2001-04-12 | 2002-10-18 | Toyota Motor Co Ltd | Fuel injector has system to prevent increase in clearance between valve and lift limiter |
EP1724462A2 (en) * | 2005-05-04 | 2006-11-22 | Robert Bosch Gmbh | Fuel injection valve |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10164123A1 (en) | 2001-12-24 | 2003-01-30 | Bosch Gmbh Robert | Fuel injection device for direct injection internal combustion engine with valve device having elastic delay element between valve seat and control space at its opposite ends |
-
2006
- 2006-12-29 DE DE200610061947 patent/DE102006061947A1/en not_active Withdrawn
-
2007
- 2007-12-03 EP EP20070122092 patent/EP1939440B1/en not_active Not-in-force
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10031686A1 (en) * | 1999-06-29 | 2001-03-22 | Aisan Ind | Injectors |
FR2823535A1 (en) * | 2001-04-12 | 2002-10-18 | Toyota Motor Co Ltd | Fuel injector has system to prevent increase in clearance between valve and lift limiter |
EP1724462A2 (en) * | 2005-05-04 | 2006-11-22 | Robert Bosch Gmbh | Fuel injection valve |
Also Published As
Publication number | Publication date |
---|---|
EP1939440A2 (en) | 2008-07-02 |
EP1939440B1 (en) | 2013-06-19 |
DE102006061947A1 (en) | 2008-07-03 |
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