WO2011032770A1 - Injecteur - Google Patents
Injecteur Download PDFInfo
- Publication number
- WO2011032770A1 WO2011032770A1 PCT/EP2010/061023 EP2010061023W WO2011032770A1 WO 2011032770 A1 WO2011032770 A1 WO 2011032770A1 EP 2010061023 W EP2010061023 W EP 2010061023W WO 2011032770 A1 WO2011032770 A1 WO 2011032770A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pin
- angle compensation
- injector according
- compensation element
- injector
- 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
- 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
- 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
-
- 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
- F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
- F02M63/0078—Valve member details, e.g. special shape, hollow or fuel passages in the valve member
- F02M63/008—Hollow valve members, e.g. members internally guided
Definitions
- the end of the pin has a rounded contact edge in the region of the contact surface.
- the invention can be used particularly preferably in an injector in which the angle between the longitudinal axis of the pin and the longitudinal axis of the angle compensation element is less than 5 °. With such a design, the wear over the life of the injector is limited. In particular, any tilting moments which may occur are compensated by the angle compensation element.
- the injector 1 described so far can be modified or modified in a variety of ways. So it is also conceivable, for example, instead of a one-piece pin 30 to use a plurality of longitudinally successively arranged anchor pins. Essential to the invention is only the storage of the pin in the region of the valve cover or the pin, which is arranged on the opposite side of the control chamber.
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
La présente invention concerne un injecteur (1) destiné à injecter du carburant dans une chambre de combustion d'un moteur à combustion interne, un élément d'injection débloquant ou fermant au moins une ouverture d'injection étant commandé par une soupape de commande (11), la soupape de commande (11) débloquant ou bloquant une liaison allant d'un espace de commande (17) à une conduite de retour de carburant (23) du fait qu'un élément de fermeture (22) est posé dans un siège (31) ou débloque celui-ci, un trou (29) dans lequel au moins une tige (30) est logée axialement mobile étant réalisé dans l'élément de fermeture (22), et le diamètre du trou (29) correspondant sensiblement au diamètre de la tige (30), et la ou les tiges (30) s'appuyant avec leur partie d'extrémité (38 ; 38a) opposée à l'élément de fermeture (22) au moins directement contre un élément d'appui (34). Selon l'invention, un élément de compensation angulaire (40 ; 50) est disposé entre la partie d'extrémité (38 ; 38a) de la ou des tiges (30) et l'élément d'appui (34), et une surface d'appui (45 ; 45a) de forme annulaire est réalisée entre l'élément de compensation angulaire (40 ; 50) et la partie d'extrémité (38 ; 38a) de la ou des tiges (30).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10742454.1A EP2478208B1 (fr) | 2009-09-18 | 2010-07-29 | Injecteur |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009029563A DE102009029563A1 (de) | 2009-09-18 | 2009-09-18 | Injektor |
DE102009029563.1 | 2009-09-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011032770A1 true WO2011032770A1 (fr) | 2011-03-24 |
Family
ID=42880610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/061023 WO2011032770A1 (fr) | 2009-09-18 | 2010-07-29 | Injecteur |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2478208B1 (fr) |
DE (1) | DE102009029563A1 (fr) |
WO (1) | WO2011032770A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013221554A1 (de) * | 2013-10-23 | 2015-04-23 | Robert Bosch Gmbh | Kraftstoffinjektor |
DE102015202726A1 (de) * | 2015-02-16 | 2016-08-18 | Robert Bosch Gmbh | Steuerventilanordnung |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006021741A1 (de) | 2006-05-10 | 2007-11-15 | Robert Bosch Gmbh | Kraftstoffinjektor mit druckausgeglichenem Steuerventil |
DE102007047425A1 (de) * | 2007-10-04 | 2009-04-09 | Robert Bosch Gmbh | Steuerventil für einen Kraftstoffinjektor |
DE102008003348A1 (de) * | 2008-01-07 | 2009-07-09 | Robert Bosch Gmbh | Kraftstoffinjektor |
-
2009
- 2009-09-18 DE DE102009029563A patent/DE102009029563A1/de not_active Withdrawn
-
2010
- 2010-07-29 EP EP10742454.1A patent/EP2478208B1/fr not_active Not-in-force
- 2010-07-29 WO PCT/EP2010/061023 patent/WO2011032770A1/fr active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006021741A1 (de) | 2006-05-10 | 2007-11-15 | Robert Bosch Gmbh | Kraftstoffinjektor mit druckausgeglichenem Steuerventil |
DE102007047425A1 (de) * | 2007-10-04 | 2009-04-09 | Robert Bosch Gmbh | Steuerventil für einen Kraftstoffinjektor |
DE102008003348A1 (de) * | 2008-01-07 | 2009-07-09 | Robert Bosch Gmbh | Kraftstoffinjektor |
Also Published As
Publication number | Publication date |
---|---|
EP2478208B1 (fr) | 2017-09-06 |
DE102009029563A1 (de) | 2011-03-24 |
EP2478208A1 (fr) | 2012-07-25 |
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