ATE506531T1 - CONTROL VALVE, IN PARTICULAR FOR A FUEL INJECTOR OF AN INTERNATIONAL ENGINE - Google Patents
CONTROL VALVE, IN PARTICULAR FOR A FUEL INJECTOR OF AN INTERNATIONAL ENGINEInfo
- Publication number
- ATE506531T1 ATE506531T1 AT08760982T AT08760982T ATE506531T1 AT E506531 T1 ATE506531 T1 AT E506531T1 AT 08760982 T AT08760982 T AT 08760982T AT 08760982 T AT08760982 T AT 08760982T AT E506531 T1 ATE506531 T1 AT E506531T1
- Authority
- AT
- Austria
- Prior art keywords
- fuel injector
- control valve
- valve
- coupler
- valve piston
- 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
- F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
-
- 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
Abstract
A control valve is proposed for controlling liquids, particularly for a fuel injector of an internal combustion engine, with an actuating unit (25) which acts via a coupler module (30) on a valve element (41. The coupler module (30), which is guided in a coupler housing (31), has a coupler piston (33) and a valve piston (34). The valve piston (34) has a notch (50) which forms a support on the valve piston side for a conically wound valve piston spring (54).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007032219A DE102007032219A1 (en) | 2007-07-11 | 2007-07-11 | Control valve, in particular for a fuel injector of an internal combustion engine |
PCT/EP2008/057450 WO2009007195A1 (en) | 2007-07-11 | 2008-06-13 | Control valve, particularly for a fuel injector of an internal combustion engine |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE506531T1 true ATE506531T1 (en) | 2011-05-15 |
Family
ID=39769060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT08760982T ATE506531T1 (en) | 2007-07-11 | 2008-06-13 | CONTROL VALVE, IN PARTICULAR FOR A FUEL INJECTOR OF AN INTERNATIONAL ENGINE |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2165069B1 (en) |
AT (1) | ATE506531T1 (en) |
DE (2) | DE102007032219A1 (en) |
WO (1) | WO2009007195A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010029607A1 (en) | 2010-06-02 | 2011-12-08 | Robert Bosch Gmbh | Fuel injector comprises hydraulic coupling module, which has coupling piston and valve piston, which is axially guided in common coupling body, where supply of supply line is interconnected with high pressure line |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB533709A (en) * | 1938-08-13 | 1941-02-19 | Daimler Benz Ag | Improvements in liquid pumps |
DE10203655A1 (en) * | 2002-01-30 | 2004-01-22 | Robert Bosch Gmbh | Fuel injector |
DE10322672A1 (en) | 2003-05-20 | 2004-12-09 | Robert Bosch Gmbh | Valve for controlling liquids |
-
2007
- 2007-07-11 DE DE102007032219A patent/DE102007032219A1/en not_active Withdrawn
-
2008
- 2008-06-13 WO PCT/EP2008/057450 patent/WO2009007195A1/en active Application Filing
- 2008-06-13 DE DE502008003288T patent/DE502008003288D1/en active Active
- 2008-06-13 AT AT08760982T patent/ATE506531T1/en active
- 2008-06-13 EP EP08760982A patent/EP2165069B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
DE102007032219A1 (en) | 2009-01-15 |
EP2165069B1 (en) | 2011-04-20 |
WO2009007195A1 (en) | 2009-01-15 |
EP2165069A1 (en) | 2010-03-24 |
DE502008003288D1 (en) | 2011-06-01 |
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