EP2107234B1 - Aktuatoranordnung und Einspritzventil - Google Patents
Aktuatoranordnung und Einspritzventil Download PDFInfo
- Publication number
- EP2107234B1 EP2107234B1 EP20080006823 EP08006823A EP2107234B1 EP 2107234 B1 EP2107234 B1 EP 2107234B1 EP 20080006823 EP20080006823 EP 20080006823 EP 08006823 A EP08006823 A EP 08006823A EP 2107234 B1 EP2107234 B1 EP 2107234B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- solid state
- state actuator
- unit
- actuator unit
- piston
- 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.)
- Ceased
Links
- 238000002347 injection Methods 0.000 title claims description 20
- 239000007924 injection Substances 0.000 title claims description 20
- 239000007787 solid Substances 0.000 claims description 137
- 239000012530 fluid Substances 0.000 description 17
- 239000000446 fuel Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000036316 preload Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- NFLLKCVHYJRNRH-UHFFFAOYSA-N 8-chloro-1,3-dimethyl-7H-purine-2,6-dione 2-(diphenylmethyl)oxy-N,N-dimethylethanamine Chemical compound O=C1N(C)C(=O)N(C)C2=C1NC(Cl)=N2.C=1C=CC=CC=1C(OCCN(C)C)C1=CC=CC=C1 NFLLKCVHYJRNRH-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
Classifications
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- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/167—Means for compensating clearance or thermal expansion
-
- 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/005—Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus
Definitions
- the invention relates to an actuator arrangement and an injection valve.
- Actuator arrangements are in wide spread use, in particular injection valves for instance for internal combustion engines comprise actuator arrangements, which comprise solid state actuator units.
- actuator arrangements which comprise solid state actuator units.
- the solid state actuator unit In order to inject fuel, the solid state actuator unit is energized so that a fluid flow through the fluid outlet portion of the injection valve is enabled.
- the respective injection valve may be suited to dose fluids under very high pressures.
- the pressures may be in case of a gasoline engine, for example in a range of up to 200 bar or in the case of diesel engines in a range of up to 2,000 bar.
- EP 1 865 191 A shows an injector with an adjusting arrangement.
- the object of the invention is to create an actuator arrangement that is simply to be manufactured and which enables reliable operation by limiting a rotational movement of a solid state actuator unit of such an actuator arrangement.
- the invention is distinguished by an actuator arrangement, comprising a solid state actuator unit with a central longitudinal axis comprising electrical connecting elements being electrically coupable to a power supply, wherein the solid state actuator unit comprises a first axial end area designed to act as drive side and a second axial end area facing away from the first axial end area, a compensator unit being arranged at least partly along the longitudinal axis of the solid state actuator unit facing the second axial end area of the solid state actuator unit, and a housing body with a first recess, wherein the compensator unit is arranged at least partly within the first recess and is at least partly fixed to the housing body to prevent rotational movement of the compensator unit regarding the longitudinal axis.
- the solid state actuator unit and the compensator unit are designed and arranged such as to form a positive locking in rotational direction of the central longitudinal axis between the solid state actuator unit and the compensator unit.
- the housing body may be arranged at least partly along the central longitudinal axis.
- the housing body may comprise two parts, wherein the solid state actuator unit may be arranged within a further recess of a further part of the housing body.
- the compensator unit may be a thermal compensator unit, which is enabled to compensate temperature changes.
- the solid state actuator unit comprises a first piston comprising a slot being arranged at the second axial end area of the solid state actuator unit and the compensator unit comprises a second piston comprising a protrusion, wherein the slot is designed and arranged such as to at least partly take in the protrusion, the slot and the protrusion being designed and arranged such as to form a positive locking in rotational direction of the central longitudinal axis between the solid state actuator unit and the compensator unit.
- the actuator arrangement may be simply to be manufactured.
- the first piston may be in contact with the second piston via point contact.
- the protrusion may be formed as a front part of a slot-head screwdriver, wherein the slot may comprise the corresponding geometry.
- the first piston and/or the second piston may comprise steel, for instance stainless steel.
- the solid state actuator unit comprises a first piston comprising a protrusion being arranged at the second axial end area of the solid state actuator unit and the compensator unit comprises a second piston comprising a slot, wherein the slot is designed and arranged such as to at least partly take in the protrusion, the slot and the protrusion being designed and arranged such as to form a positive locking in rotational direction of the central longitudinal axis between the solid state actuator unit and the compensator unit.
- the actuator arrangement may be simply to be manufactured.
- the first piston may be in contact with the second piston via point contact.
- the slot may comprise the corresponding geometry to the geometry of the protrusion.
- the first piston and/or the second piston may comprise steel, for instance stainless steel.
- the solid state actuator unit comprises at least one second recess being arranged at the second axial end area of the solid state actuator unit and a locking element being arranged at least partly circumferentially a second piston of the compensator unit comprising at least one rod and at least one third recess, wherein the third recess is at least partly axially overlapping with a protrusion of the second piston and the rod is designed and arranged such as to at least partly protrude into the second recess of the solid state actuator unit, the protrusion of the second piston, the locking element and the solid state actuator unit being designed and arranged such as to form a positive locking in rotational direction of the central longitudinal axis between the solid state actuator unit and the compensator unit.
- the actuator arrangement may be simply to be manufactured.
- the locking element may take in the second piston at its protrusion and enable the positive locking together with the rod and the second recess of the solid state actuator unit.
- the third recess of the locking element may comprise the corresponding geometry to the geometry of the protrusion of the second piston of the compensator unit.
- the solid state actuator unit may comprise a first piston comprising a slot, wherein the slot is designed and arranged such as to at least partly take in the protrusion of the second piston.
- the slot and the protrusion may be designed and arranged such as to form an additional positive locking in rotational direction of the central longitudinal axis between the solid state actuator unit and the compensator unit.
- the locking element may comprise plastic, steel, aluminium or a combination of copper and tin.
- the electrical connecting element of the solid state actuator unit comprises a wire, wherein a clamp is at least partly taking in the wire.
- a wire may limit possible wear of the electrical connection due to its flexibility for example compared to rigidly connecting pins, at which the pin connection might break.
- a wire may allow a movement such as a rotational movement of the solid state actuator unit regarding the central longitudinal axis without a wear of the electrical connection.
- the wire may enable low production costs.
- the clamp may allow some kind of fixation of a part of the wire and enable its coupling to a power supply in a simple way.
- the clamp may be a terminal clamp, for instance a Faston.
- the electrical connecting elements may comprise two wires, which may be arranged on opposite sides of the first piston, for example each with a same distance to each of the two second recesses of the solid state actuator unit.
- the actuator arrangement comprises a connector to supply electric energy to the solid state actuator unit, wherein the connector is electrically coupled to the wire of the solid state actuator unit via the clamp.
- the invention is distinguished by an injection valve with a valve assembly within a further recess of a housing body and an actuator arrangement of the first aspect of the invention, comprising a solid state actuator unit within the further recess, wherein the solid state actuator unit is being designed for acting on the valve assembly.
- FIG. 1 shows an injection valve 10 that may be used as a fuel injection valve for an internal combustion engine.
- the injection valve 10 comprises an actuator arrangement 12, a valve assembly 14 and a connector 15.
- the actuator arrangement 12 comprises a compensator unit 16, a solid state actuator unit 17 with a central longitudinal axis A and a housing body 18.
- the injection valve 10 comprises a two-part housing body 18 with a tubular shape being arranged at the central longitudinal axis A.
- the housing body 18 comprises a first recess 20 which is at least partly axially led through the housing body 18.
- the compensator unit 16 is arranged at least partly within the first recess 20 and is at least partly fixed to the housing body 18 to prevent rotational movement of the compensator unit 16 regarding the longitudinal axis A.
- the compensator unit 16 may be fixed to the housing body 18 by welding.
- the solid state actuator unit 17 with the central longitudinal axis A may be arranged at least partly within the first recess 20 of the housing body 18 and comprises electrical connecting elements 22 being electrically coupable to a power supply.
- the solid state actuator unit 17 may comprise two electrical connecting elements 22.
- the electrical connecting element 22 comprises a wire 24, wherein a clamp 26 is at least partly taking in the wire 24.
- the electrical connecting elements 22 might be coupled by weldings, in particular resistance weldings, or soldered connections to an electric conductor 28, which is supplied with electric energy.
- the solid state actuator unit 17 comprises a first axial end area 30 designed to act as drive side and a second axial end area 32 facing away from the first axial end area 30. On the drive side of the solid state actuator unit 17 facing the first axial end area 30 optional actuating elements are arranged such as a valve needle 34.
- the solid state actuator unit 17 comprises a solid state actuator 36.
- the solid state actuator 36 changes its length in axial direction depending on a control signal applied to it such as electric energy supplied to it.
- the solid state actuator unit 17 is typically a piezo actuator unit. It may however also be any other solid state actuator unit known to the person skilled in the art such as a magnetostrictive actuator unit.
- the solid state actuator unit 17 may comprise a first piston 38 being arranged at the second axial end area 32 of the solid state actuator unit 17.
- the compensator unit 16 is arranged at least partly along the longitudinal axis A of the solid state actuator unit 17 facing the second axial end area 32 of the solid state actuator unit 17.
- the compensator unit 16 may comprise a second piston 40, which may be mechanically coupled to the first piston 38 of the solid state actuator unit 17.
- the solid state actuator unit 17 may be in contact with the second piston 40 via point contact between the first piston 38 and the second piston 40.
- the compensator unit 16 enables to set an axial preload force on the solid state actuator unit 17 via the first piston 38 of the solid state actuator unit 17.
- the compensator unit 16 may be a thermal compensator unit, which is enabled to compensate temperature changes.
- An actuator housing enclosing the solid state actuator 36 of the solid state actuator unit 17 may comprise a spring tube 42, a top cap 44 and a bottom cap 46.
- Part of the top cap 44 may form at least part of the second axial end area 32.
- Part of the bottom cap 46 may form at least part of the first axial end area 30 comprising the drive side of the solid state actuator unit 17.
- the solid state actuator unit 17 further comprises the first piston 38, which is coupled to the top cap 44 or may in one piece form part of the top cap 44. It may apply an axial preload force on the solid state actuator unit 17.
- the solid state actuator unit 17 comprises at least one second recess 48 being arranged at the second axial end area 32 of the solid state actuator unit 17.
- the solid state actuator unit 17 may comprise two second recesses 48, which may be arranged on opposite sides regarding the first piston 38 of the solid state actuator unit 17.
- the top cap 44 may comprise the second recesses 48.
- the solid state actuator unit 17 comprises a locking element 50 being arranged at least partly circumferentially the second piston 40 of the compensator unit 16.
- the locking element 50 comprises at least one rod 52, for example two rods 52, being designed and arranged such as to at least partly protrude into the second recess 48 of the solid state actuator unit 17.
- the locking element 50 comprises at least one third recess 54 ( figure 2 ), wherein the third recess 54 is at least partly axially overlapping with a protrusion 56 of the second piston 40 of the compensator unit 16.
- the protrusion 56 of the second piston 40, the locking element 50 and the solid state actuator unit 17 are designed and arranged such as to form a positive locking in rotational direction of the central longitudinal axis A between the solid state actuator unit 17 and the compensator unit 16.
- the valve assembly 14 comprises a valve body 58 and the valve needle 34.
- the valve body 58 has a valve body spring rest 60 and the valve needle 34 comprises a valve needle spring rest 62, both spring rests 60, 62 supporting a spring 64 being arranged between the valve body 58 and the valve needle 34.
- a bellow 66 is arranged, which is sealingly coupling the valve body 58 with the valve needle 34.
- a fluid outlet portion 72 is closed or open depending on the axial position of a valve needle 34.
- the solid state actuator 36 can exert a force to the valve needle 34.
- the force from the solid state actuator 36 being exerted to the valve needle 34 in an axial direction allows or prevents a fluid flow through the fluid outlet portion 72.
- the injection valve 10 has a fluid inlet portion 74, which is arranged in the housing body 18 and which for instance is coupled to a not shown fuel connector.
- the fuel connector is designed to be connected to a high pressure fuel chamber of an internal combustion engine, wherein the fuel is stored under high pressure, for example, under the pressure above 200 bar.
- the compensator unit 16 which is in this example a thermal compensator unit, is enabled to set an axial preload force on the solid state actuator unit 17 to compensate changes of the fluid flow through the fluid outlet portion 72 in the case of temperature changes of the injection valve 10.
- the valve assembly 14 is arranged in the injection valve 10 facing the first axial end area 30 on the drive side of the solid state actuator unit 17 in a part of the further recess 68 of the housing body 18 of the injection valve 10 along the longitudinal axis A.
- the injection valve 10 further comprises the connector 15 with a non-conductive connector body 76 in which the electric conductor 28 is arranged.
- the electric conductor 28 of the connector 15 may comprise copper and tin, for instance CuSn 6 . Electric energy can be supplied to the electric conductor 28 of the connector 15.
- the electric conductor 28 of the connector 15 is electrically coupled to the electrical connecting elements 22, for example to the wire 24 of the solid state actuator unit 17 via the clamp 26.
- the clamp 26 may be a terminal clamp, for instance a Faston. Consequently, electric energy can be simply supplied to the solid state actuator 36 via the connector 15.
- the electrical connecting element 22 of the solid state actuator unit 17, for example the wire 24, may be arranged in optional direction, for instance in axial direction of the solid state actuator unit 17.
- the wire 24 may limit wear of the electrical connection due to its flexibility for example compared to rigidly connecting pins, at which the pin connection might break.
- the wire 24 may allow a movement such as a rotational movement of the solid state actuator unit 17 regarding the central longitudinal axis A without a possible wear of the electrical connection.
- the clamp 26 may allow some kind of fixation of a part of the wire 24 and enable its coupling to a power supply in a simple way.
- the fluid is led from the fluid inlet portion 74 through the housing body 18 to the fluid outlet portion 72.
- the valve needle 34 prevents a fluid flow through the fluid outlet portion 72 in the valve body 58 in a closing position of the valve needle 34. Outside of the closing position of the valve needle 34, the valve needle 34 enables the fluid flow through the fluid outlet portion 72.
- the solid state actuator 36 may change its axial length if it is energized. By changing its length the solid state actuator 36 may exert a force on the valve needle 34.
- the valve needle 34 is able to move in axial direction out of the closing position. Outside the closing position of the valve needle 34 there is a gap between the valve body 58 and the valve needle 34 at an axial end area of the injection valve 10 facing away from the solid state actuator 36.
- the spring 64 can force the valve needle 34 via the valve needle spring rest 62 towards the solid state actuator 36. In the case the solid state actuator 36 is de-energized, the solid state actuator 36 shortens its length.
- the spring 64 can force the valve needle 34 to move in axial direction in its closing position. It is depending on the force balance between the force on the valve needle 34 caused by the solid state actuator 36 and the force on the valve needle 34 caused by the spring 64 whether the valve needle 34 is in its closing position or not.
- Figure 2 shows a three-dimensional view of an exemplary embodiment of the locking element 50.
- the locking element 50 comprises at least one rod 52 and at least one third recess 54.
- the locking element 50 may comprise two rods 52 and one third recess 54.
- the solid state actuator unit 17 may comprise two second recesses 48, wherein the rods 52 are designed and arranged such as to at least partly protrude into the second recesses 48 of the solid state actuator unit 17 ( figure 1 ).
- the third recess 54 of the locking element 50 may comprise the corresponding geometry to the geometry of the protrusion 56 of the second piston 40 of the compensator unit 16 ( figure 1 ).
- the locking element 50 may be arranged at least partly circumferentially the second piston 40 of the compensator unit 16 ( figure 1 ), wherein the third recess 54 is at least partly axially overlapping with the protrusion 56 of the second piston 40.
- the locking element 50 may take in the second piston 40 at its protrusion 56 and enable the positive locking together with the rod 52 and the second recess 48 of the solid state actuator unit 17.
- the locking element 50 comprises plastic, steel, aluminium or a combination of copper and tin.
- Figure 3 shows a three-dimensional view of a part of a second embodiment of the actuator arrangement 12.
- injection valves for instance for internal combustion engines may comprise the actuator arrangement 12.
- the actuator arrangement 12 comprises the compensator unit 16 and the solid state actuator unit 17.
- the solid state actuator unit 17 with the central longitudinal axis A comprises the electrical connecting elements 22 being electrically coupable to a power supply, for instance two electrical connecting elements 22.
- Each of the electrical connecting elements 22 comprise the wire 24, wherein the clamp 26 is at least partly taking in the wire 24.
- the solid state actuator unit 17 comprises the first piston 38.
- the compensator unit 16 is arranged at least partly along the longitudinal axis A of the solid state actuator unit 17 and comprises the second piston 40, which may be mechanically coupled to the first piston 38 of the solid state actuator unit 17.
- the first piston 38 may be in contact with the second piston 40 via point contact.
- the compensator unit 16 enables to set an axial preload force on the solid state actuator unit 17 via the first piston 38 of the solid state actuator unit 17.
- the compensator unit 16 may be a thermal compensator unit, which is enabled to compensate temperature changes.
- the second piston 40 of the compensator unit 16 comprises the protrusion 56 and the first piston 38 of the solid state actuator unit 17 comprises a slot 78, wherein the slot 78 is designed and arranged such as to at least partly take in the protrusion 56.
- the slot 78 and the protrusion 56 are designed and arranged such as to form a positive locking in rotational direction of the central longitudinal axis A between the solid state actuator unit 17 and the compensator unit 16.
- the solid state actuator unit 17 comprises the first piston 38 comprising a protrusion 56' and the compensator unit 16 comprises the second piston 40 comprising a slot 78'.
- the slot 78' is designed and arranged such as to at least partly take in the protrusion 56'.
- the slot 78' and the protrusion 56' are designed and arranged such as to form a positive locking in rotational direction of the central longitudinal axis A between the solid state actuator unit 17 and the compensator unit 16.
- Figure 4 shows a three-dimensional view of a part of the solid state actuator unit 17.
- the solid state actuator unit 17 comprises the electrical connecting elements 22 being electrically coupable to a power supply, for instance two electrical connecting elements 22.
- Each of the electrical connecting elements 22 comprise the wire 24, wherein the clamp 26 is at least partly taking in the wire 24.
- the solid state actuator unit 17 comprises the first piston 38 and the first piston 38 comprises a slot 78, wherein the slot 78 is designed and arranged such as to at least partly take in the protrusion 56 of the compensator unit 16 ( figure 3 ).
- first piston 38, the second piston 40 and the locking element 50 may comprise alternative shapes.
- the protrusion 56, 56' and the slot 78, 78' may comprise alternative shapes.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Claims (7)
- Aktuatoranordnung (12), umfassend:eine Festzustandaktuatoreinheit (17) mit einer zentralen Längsachse (A), umfassend elektrische Verbindungselemente (22), die elektrisch an eine Stromversorgung koppelbar sind, wobei die Festzustandaktuatoreinheit (17) einen ersten axialen Endbereich (30), der gestaltet ist, um als eine Antriebsseite zu wirken, sowie einen zweiten axialen Endbereich (32) umfasst, der dem ersten axialen Endbereich (30) gegenüber liegt,eine Kompensatoreinheit (16), die mindestens teilweise entlang der Längsachse (A) des Festzustandaktuatoreinheit (17) angeordnet ist und dem zweiten axialen Endbereich (32) der Festzustandaktuatoreinheit (17) gegenüber liegt, sowieeinen Gehäusekörper (18) mit einer ersten Aussparung (20),wobei die Kompensatoreinheit (16) mindestens teilweise innerhalb der ersten Aussparung (20) angeordnet ist und mindestens teilweise an dem Gehäusekörper (18) befestigt ist, um eine Drehbewegung der Kompensatoreinheit (16) bezüglich der Längsachse (A) zu verhindern, dadurch gekennzeichnet, dass die Festzustandaktuatoreinheit (17) und die Kompensatoreinheit (16) gestaltet und angeordnet sind, um einen Formschluss in Drehrichtung der zentralen Längsachse (A) zwischen der Festzustandaktuatoreinheit (17) und der Kompensatoreinheit (16) auszubilden.
- Aktuatoranordnung (12) gemäß Anspruch 1, wobei die Festzustandaktuatoreinheit (17) einen ersten Kolben (38) umfasst, der eine Kerbe (78) umfasst, die an dem zweiten axialen Endbereich (32) der Festzustandaktuatoreinheit (17) angeordnet ist, und die Kompensatoreinheit (16) umfasst einen zweiten Kolben (40), der einen Vorsprung (56) umfasst, wobei die Kerbe (78) so gestaltet und angeordnet ist, um mindestens teilweise den Vorsprung (56) aufzunehmen, während die Kerbe (78) und der Vorsprung (56) so gestaltet und angeordnet sind, um einen Formschluss in Drehrichtung der zentralen Längsachse (A) zwischen der Festzustandaktuatoreinheit (17) und der Kompensatoreinheit (16) auszubilden.
- Aktuatoranordnung (12) gemäß Anspruch 1, wobei die Festzustandaktuatoreinheit (17) einen ersten Kolben (38) aufweist, der einen Vorsprung (56') umfasst, der an dem zweiten axialen Endbereich (32) der Festzustandaktuatoreinheit (17) angeordnet ist, und die Kompensatoreinheit (16) umfasst einen zweiten Kolben (40), der eine Kerbe (78') umfasst, wobei die Kerbe (78') so gestaltet und angeordnet ist, um mindestens teilweise den Vorsprung (56') aufzunehmen, während die Kerbe (78') und der Vorsprung (56') so gestaltet und angeordnet sind, um einen Formschluss in Drehrichtung der zentralen Längsachse (A) zwischen der Festzustandaktuatoreinheit (17) und der Kompensatoreinheit (16) auszubilden.
- Aktuatoranordnung (12) gemäß einem der vorhergehenden Ansprüche, wobei die Festzustandaktuatoreinheit (17) mindestens eine zweite Aussparung (48) aufweist, die an dem zweiten axialen Endbereich (32) der Festzustandaktuatoreinheit (17) angeordnet ist, sowie ein Sperrelement (50), das mindestens teilweise umfänglich eines zweiten Kolbens (40) der Kompensatoreinheit (16) angeordnet ist, umfassend mindestens einen Stab (52) sowie mindestens eine dritte Aussparung (54), während die dritte Aussparung (54) mindestens teilweise mit einem Vorsprung (56) des zweiten Kolbens (40) axial überlappend ist und der Stab (52) so gestaltet und angeordnet ist, um mindestens teilweise in die zweite Aussparung (48) der Festzustandaktuatoreinheit (17) vorzustehen, wobei der Vorsprung (56) des zweiten Kolbens (40), das Sperrelement (50) und die Festzustandaktuatoreinheit (17) so gestaltet und angeordnet sind, um einen Formschluss in Drehrichtung der zentralen Längsachse (A) zwischen der Festzustandaktuatoreinheit (17) und der Kompensatoreinheit (16) auszubilden.
- Aktuatoranordnung (12) gemäß einem der vorhergehenden Ansprüche, wobei das elektrische Verbindungselement (22) der Festzustandaktuatoreinheit (17) einen Draht (24) umfasst, während eine Klemme (26) mindestens teilweise den Draht (24) aufnimmt.
- Aktuatoranordnung (12) gemäß Anspruch 5, wobei die Aktuatoranordnung (12) einen Verbinder (15) umfasst, um die Festzustandaktuatoreinheit (17) mit elektrischer Energie zu versorgen, während der Verbinder elektrisch an den Draht der Festzustandaktuatoreinheit (17) über die Klemme (26) gekoppelt ist.
- Einspritzventil (10) mit einer Ventilanordnung (14) innerhalb einer weiteren Aussparung (68) sowie einer Aktuatoranordnung (12) gemäß einem der vorhergehenden Ansprüche, umfassend eine Festzustandaktuatoreinheit (17) innerhalb der weiteren Aussparung (68), während die Festzustandaktuatoreinheit (17) zum Wirken auf die Ventilanordnung gestaltet ist.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20080006823 EP2107234B1 (de) | 2008-04-03 | 2008-04-03 | Aktuatoranordnung und Einspritzventil |
DE200860004091 DE602008004091D1 (de) | 2008-04-03 | 2008-04-03 | Aktuatoranordnung und Einspritzventil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20080006823 EP2107234B1 (de) | 2008-04-03 | 2008-04-03 | Aktuatoranordnung und Einspritzventil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2107234A1 EP2107234A1 (de) | 2009-10-07 |
EP2107234B1 true EP2107234B1 (de) | 2010-12-22 |
Family
ID=39717823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20080006823 Ceased EP2107234B1 (de) | 2008-04-03 | 2008-04-03 | Aktuatoranordnung und Einspritzventil |
Country Status (2)
Country | Link |
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EP (1) | EP2107234B1 (de) |
DE (1) | DE602008004091D1 (de) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2854664B1 (fr) * | 2003-05-09 | 2006-06-30 | Renault Sa | Dispositif d'injection de fluide |
WO2005026528A1 (de) * | 2003-09-12 | 2005-03-24 | Siemens Aktiengesellschaft | Hydraulisches kompensationselement |
DE102006019308A1 (de) * | 2006-04-26 | 2007-10-31 | Robert Bosch Gmbh | Injektor |
EP1865191B1 (de) * | 2006-06-06 | 2009-05-20 | Continental Automotive GmbH | Anordnung zur Einstellung eines Einspritzventils, Einspritzventil und Verfahren zur Einstellung eines Einspritzventils |
-
2008
- 2008-04-03 EP EP20080006823 patent/EP2107234B1/de not_active Ceased
- 2008-04-03 DE DE200860004091 patent/DE602008004091D1/de active Active
Also Published As
Publication number | Publication date |
---|---|
DE602008004091D1 (de) | 2011-02-03 |
EP2107234A1 (de) | 2009-10-07 |
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