EP1332282A2 - Magnetventil zur steuerung eines einspritzventils einer brennkraftmaschine - Google Patents
Magnetventil zur steuerung eines einspritzventils einer brennkraftmaschineInfo
- Publication number
- EP1332282A2 EP1332282A2 EP01980158A EP01980158A EP1332282A2 EP 1332282 A2 EP1332282 A2 EP 1332282A2 EP 01980158 A EP01980158 A EP 01980158A EP 01980158 A EP01980158 A EP 01980158A EP 1332282 A2 EP1332282 A2 EP 1332282A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- armature
- space
- solenoid valve
- fuel
- 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
- 238000002347 injection Methods 0.000 title claims abstract description 40
- 239000007924 injection Substances 0.000 title claims abstract description 40
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 7
- 239000000446 fuel Substances 0.000 claims abstract description 61
- 238000013016 damping Methods 0.000 claims abstract description 45
- 238000005192 partition Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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
- F02M63/0017—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means
-
- 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
- F02M63/0017—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means
- F02M63/0021—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means characterised by the arrangement of mobile armatures
- F02M63/0022—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means characterised by the arrangement of mobile armatures the armature and the valve being allowed to move relatively to each other
-
- 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
- F02M63/0033—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat
- F02M63/0036—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat with spherical or partly spherical shaped valve member ends
-
- 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
- F02M63/0205—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 for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine
- F02M63/022—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 for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine by acting on fuel control mechanism
-
- 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
- F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
- F02M2200/304—Fuel-injection apparatus having mechanical parts, the movement of which is damped using hydraulic means
-
- 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
- F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
- F02M2547/003—Valve inserts containing control chamber and valve piston
Definitions
- the invention relates to a solenoid valve for controlling an injection valve of an internal combustion engine according to the Oberbegri f of claim 1.
- the at least one connecting channel through a through opening provided with a throttle in the flange region of the slider, since the production of the connecting channel in the slider is particularly easy to carry out in terms of production technology.
- the at least one through opening is arranged within the projection of the armature plate in the direction of movement of the armature, it is achieved that the fuel flowing from the damping space into the relief space flows onto the armature plate and thereby supports the braking process of the armature.
- the armature leading sleeve protrudes from the flange of the slider towards the valve seat, it is achieved in a simple manner that a sufficiently dimensioned damping space is formed between the sliding sleeve and the housing of the solenoid valve.
- a section of the connecting channel which connects the damping chamber to the relief chamber can advantageously be formed by a leakage channel formed in the housing of the injection valve.
- control pressure chamber 14 If the control pressure chamber 14 is opened by opening the magnet Opened valve to the discharge side, the pressure in the small volume of the control pressure chamber 14 builds up very quickly, since this is decoupled from the high pressure side via the inlet throttle 15. As a result, the force acting on the valve needle in the opening direction outweighs the high fuel pressure applied to the valve needle, so that it moves upward and the at least one injection opening is opened for injection. However, if the solenoid valve 30 closes the fuel outlet channel 17, the pressure in the control pressure chamber 14 can be built up again by the fuel flowing in via the inlet channel 15, so that the original closing force is applied and the valve needle of the fuel injection valve closes.
- the slider 40 with the flange area 42 lies directly on the end face 20 of the valve piece 12.
- the sliding sleeve 41 for guiding the armature protrudes from it on the second side 46 of the flange area facing away from the valve piece.
- the screw member 23 clamps the slider 40 together with the valve piece 12 in the housing part 4.
- at least one recess 54 is provided on the end face 20 of the valve piece, which connects the conical, countersunk section 21 on the end face 20 of the valve piece 12 to the annular space 56.
- the at least one recess 54 is so large that, in contrast to the exemplary embodiment shown in FIG. 2, it does not act as a throttle.
- FIG. 1 the exemplary embodiment shown in FIG.
- FIG. 4 A fourth exemplary embodiment of the solenoid valve according to the invention is shown in FIG. 4.
- the flange area 42 of the slider 40 has no through openings.
- the damping space 51 is formed by the conical volume above the countersunk section 21 and the annular space 56, which are connected to one another by at least one recess 54 recessed into the end face of the valve piece 12.
- the at least one recess 54 is large enough not to act as a throttle.
- One in the side wall of the case throttle 43 provided in part 4 connects the annular space 56 to a leakage channel 49, which in turn is connected to the relief space 52.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10052604 | 2000-10-24 | ||
DE10052604A DE10052604A1 (de) | 2000-10-24 | 2000-10-24 | Magnetventil zur Steuerung eines Einspritzventils einer Brennkraftmaschine |
PCT/DE2001/003396 WO2002035080A2 (de) | 2000-10-24 | 2001-09-05 | Magnetventil zur steuerung eines einspritzventils einer brennkraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1332282A2 true EP1332282A2 (de) | 2003-08-06 |
EP1332282B1 EP1332282B1 (de) | 2006-11-29 |
Family
ID=7660822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01980158A Expired - Lifetime EP1332282B1 (de) | 2000-10-24 | 2001-09-05 | Magnetventil zur steuerung eines einspritzventils einer brennkraftmaschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US6820858B2 (de) |
EP (1) | EP1332282B1 (de) |
JP (1) | JP5044090B2 (de) |
DE (2) | DE10052604A1 (de) |
WO (1) | WO2002035080A2 (de) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10131125A1 (de) * | 2001-06-28 | 2002-09-12 | Bosch Gmbh Robert | Magnetventil mit gedämpftem, einteiligem Ankerelement |
JP4052258B2 (ja) * | 2003-05-01 | 2008-02-27 | 株式会社デンソー | 内燃機関用インジェクタ |
DE10325442A1 (de) * | 2003-06-05 | 2004-12-23 | Robert Bosch Gmbh | Magnetventil mit reduzierten Schaltgeräuschen |
US20050104301A1 (en) * | 2003-11-18 | 2005-05-19 | Carter Stephen A. | Sealing system for a solenoid |
US7337768B2 (en) * | 2004-05-07 | 2008-03-04 | Philip Morris Usa Inc. | Multiple capillary fuel injector for an internal combustion engine |
DE102004028523A1 (de) * | 2004-06-11 | 2005-12-29 | Robert Bosch Gmbh | Kraftstoffinjektor mit Spannhülse als Anschlag für Ventilnadel |
WO2006072757A1 (en) * | 2005-01-07 | 2006-07-13 | Delphi Technologies, Inc. | Fuel injection apparatus |
DE602005017941D1 (de) * | 2005-02-08 | 2010-01-07 | Bosch Gmbh Robert | Befestigung eines ankers an einer ventilnadel in einem steuerventil für ein kraftstoffeinspritzventil |
DE102005024045A1 (de) * | 2005-05-25 | 2006-11-30 | Robert Bosch Gmbh | Injektor für ein Kraftstoffeinspritzsystem |
DE102005045856A1 (de) * | 2005-09-26 | 2007-04-05 | Siemens Ag | Injektor mit außenöffnendem Servoventil |
DE102005057948A1 (de) * | 2005-12-05 | 2007-06-06 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
US8127791B2 (en) | 2005-12-21 | 2012-03-06 | Saturn Electronics & Engineering, Inc. | Solenoid operated fluid control valve |
DE102006003040A1 (de) * | 2006-01-23 | 2007-07-26 | Robert Bosch Gmbh | Kraftstoffinjektor |
DE102006050162A1 (de) | 2006-10-25 | 2008-04-30 | Robert Bosch Gmbh | Kraftstoffeinspritzventileinrichtung |
DE102007001550A1 (de) * | 2007-01-10 | 2008-07-17 | Robert Bosch Gmbh | Injektor zum Einspritzen von Kraftstoff |
US7871058B2 (en) * | 2007-07-25 | 2011-01-18 | Illinois Tool Works Inc. | Dual inline solenoid-actuated hot melt adhesive dispensing valve assembly |
DE102007047152A1 (de) * | 2007-10-02 | 2009-04-09 | Robert Bosch Gmbh | Injektor mit einem Ringraum getrennten Ankerraum |
DE102008000907A1 (de) * | 2008-04-01 | 2009-10-08 | Robert Bosch Gmbh | Magnetventil mit mehrteiligem Anker ohne Ankerführung |
DE102008000929A1 (de) * | 2008-04-02 | 2009-10-08 | Robert Bosch Gmbh | Hydraulische Dämpfung |
DE102008000926A1 (de) * | 2008-04-02 | 2009-10-08 | Robert Bosch Gmbh | Kraftstoffinjektor mit Magnetventil |
DE102008001281A1 (de) * | 2008-04-21 | 2009-10-22 | Robert Bosch Gmbh | Injektor |
DE102010043092A1 (de) * | 2010-10-29 | 2012-05-03 | Robert Bosch Gmbh | Druckregelventil |
DE102012209226A1 (de) * | 2012-05-31 | 2013-12-05 | Robert Bosch Gmbh | Druckregelventil |
EP2778386B1 (de) * | 2013-03-13 | 2016-03-09 | Delphi International Operations Luxembourg S.à r.l. | Regelventilanordnung und Brennstoffeinspritzdüse mit einer Regelventilanordnung |
US9644589B2 (en) * | 2013-11-20 | 2017-05-09 | Stanadyne Llc | Debris diverter shield for fuel injector |
DE102015204037A1 (de) * | 2015-03-06 | 2016-09-08 | Robert Bosch Gmbh | Verfahren zur Steuerung eines Common-Rail-Einspritzsystems |
DE102016209546A1 (de) * | 2016-06-01 | 2017-12-07 | Robert Bosch Gmbh | Kraftstoffeinspritzventil |
US20230078232A1 (en) * | 2020-02-13 | 2023-03-16 | Padmini Vna Mechatronics Pvt. Ltd. | Oil solenoid valve with real time monitoring of plunger position |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8729087D0 (en) | 1987-12-12 | 1988-01-27 | Lucas Ind Plc | Control valve |
JPH0688559A (ja) * | 1992-09-08 | 1994-03-29 | Toyota Motor Corp | 燃料噴射弁 |
IT227711Y1 (it) | 1992-12-29 | 1997-12-15 | Elasis Sistema Ricerca Fiat | Valvola di dosaggio a comando elettromagnetico per un iniettore di combustibile |
IT1276503B1 (it) * | 1995-07-14 | 1997-10-31 | Elasis Sistema Ricerca Fiat | Perfezionamenti ad una valvola di dosaggio a comando elettromagnetico, per un iniettore di combustibile. |
JPH1082356A (ja) * | 1996-09-09 | 1998-03-31 | Denso Corp | 蓄圧式燃料噴射装置 |
DE19650865A1 (de) | 1996-12-07 | 1998-06-10 | Bosch Gmbh Robert | Magnetventil |
DE19708104A1 (de) * | 1997-02-28 | 1998-09-03 | Bosch Gmbh Robert | Magnetventil |
-
2000
- 2000-10-24 DE DE10052604A patent/DE10052604A1/de not_active Withdrawn
-
2001
- 2001-09-05 WO PCT/DE2001/003396 patent/WO2002035080A2/de active IP Right Grant
- 2001-09-05 DE DE50111569T patent/DE50111569D1/de not_active Expired - Lifetime
- 2001-09-05 EP EP01980158A patent/EP1332282B1/de not_active Expired - Lifetime
- 2001-09-05 JP JP2002538036A patent/JP5044090B2/ja not_active Expired - Fee Related
- 2001-09-05 US US10/168,671 patent/US6820858B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO0235080A2 * |
Also Published As
Publication number | Publication date |
---|---|
US6820858B2 (en) | 2004-11-23 |
JP5044090B2 (ja) | 2012-10-10 |
US20030127614A1 (en) | 2003-07-10 |
JP2004512457A (ja) | 2004-04-22 |
DE50111569D1 (de) | 2007-01-11 |
DE10052604A1 (de) | 2002-05-02 |
EP1332282B1 (de) | 2006-11-29 |
WO2002035080A2 (de) | 2002-05-02 |
WO2002035080A3 (de) | 2002-07-18 |
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