EP2914843A1 - Magnetbaugruppe für ein magnetventil - Google Patents
Magnetbaugruppe für ein magnetventilInfo
- Publication number
- EP2914843A1 EP2914843A1 EP13774176.5A EP13774176A EP2914843A1 EP 2914843 A1 EP2914843 A1 EP 2914843A1 EP 13774176 A EP13774176 A EP 13774176A EP 2914843 A1 EP2914843 A1 EP 2914843A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pole body
- coil
- magnet assembly
- outer pole
- inner pole
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 58
- 239000000446 fuel Substances 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000004508 polar body Anatomy 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0614—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of electromagnets or fixed armature
-
- 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
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
- F02M51/0635—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding
-
- 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
- F02M63/0019—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means characterised by the arrangement of electromagnets or fixed armatures
-
- 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
- F02M63/0057—Means for avoiding fuel contact with valve actuator, e.g. isolating actuators by using bellows or diaphragms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/081—Magnetic constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/128—Encapsulating, encasing or sealing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1638—Armatures not entering the winding
Definitions
- the invention relates to a magnetic assembly for a solenoid valve having the features of the preamble of claim 1. Further, a solenoid valve is proposed with such a magnetic assembly.
- the magnetic assembly for a fuel injector solenoid valve proposed herein comprises a magnetic core composed of at least two core elements, wherein at least one core element is formed as a sintered element.
- a magnetic core is to be created, which allows the same outer dimensions compared to known magnetic cores, the use of larger coils and at the same time guarantees reduced eddy currents. By the latter, the efficiency of the magnet assembly is to be increased.
- the core elements of the magnetic core form pole faces, which delimit a receiving opening of the magnetic core for receiving a coil. The receiving opening is partially covered by a pole surface forming a core element.
- this core element is an outer pole surface element which is arranged at a radial distance from an inner pole surface and projects beyond the receiving opening in sections in the radial direction inwards.
- the outer pole surface element is mounted as the last core element.
- the magnet core is formed as a pot magnet core which comprises an outer pole section, an inner pole section and a yoke section connecting the outer pole section and the inner pole section in the radial direction.
- the outer pole section, the yoke section and the mecanical limit thereby a preferred annular receiving opening for a magnetic coil, said receiving opening is further preferably on the side facing away from the yoke portion in sections of a Pol lakeelement in the radial direction is surmounted.
- the way in which the magnetic coil of the magnet assembly is electrically connected is not apparent from this utility model.
- the present invention seeks to propose a magnetic assembly that is particularly robust and also has a simple structure.
- the magnetic coil of the magnet assembly should be electrically connectable in a simple manner.
- the proposed magnet assembly comprises an annular réellepol competence and an annularhowpolintelligence which limit at least in the radial direction an annular coil receiving space for receiving a cooperating with a flat armature magnetic coil.
- the coil receiving space is sealed against the armature space receiving the flat armature by the inner pole body and the outer pole body or the inner pole body and the outer pole body and a covering ring connecting the inner pole body to the outer pole body.
- a fluid located in the armature space for example fuel
- the solenoid is thus in a dry area, while the armature space is in a wet area. An additional protection of the magnetic coil relative to the fluid located in the armature space is therefore not required.
- the magnet assembly accordingly has a simple and at the same time robust construction, since the magnet coil and optionally the electrical connection lines are not exposed to the pressurization of a fluid.
- the magnet assembly cooperating with a flat armature in this case has a low power requirement in comparison to a magnet assembly operating according to a solenoid armature principle.
- the inner pole body and the outer pole body are integrally formed.
- they can form a cup-shaped component that encloses the coil receiving space on three sides.
- a common collar region located between the inner pole body and the outer pole body can serve to seal the coil receiving space relative to the armature space or, if arranged on the side of the magnet coil facing away from the flat armature, can be yoke-forming.
- the inner pole body and the outer pole body can be connected via the cover ring.
- Serves the réellepolissonME the spiritpol stresses connecting common collar portion of the formation of a yoke, the sealing of the coil receiving space relative to the armature space is preferably by means of the cover ring.
- Certainlypol stresses and concernedpol stresses can therefore be connected on the one hand by a common waistband area, on the other hand by the cover ring.
- Housing part is provided, via which the mecanical ness of the inner pole body and the outer pole body or over be given the cover ring.
- the common collar region or the cover ring are opposite the yoke-forming housing part on the coil receiving space.
- the coil receiving space towards the flat armature out or away from the flat armature, i. be open up or down.
- the opening is closed in a fluid-tight manner by the cover ring which connects the inner pole body and the outer pole body. If the opening points away from the flat armature, the opening is preferably closed by a separate yoke-forming housing part which connects the inner pole body and the outer pole body.
- the flat armature can be arranged both above and below the magnetic coil.
- the position of the flat armature and the orientation of the remaining opening of the coil receiving space with respect to the position of the flat armature are important. It depends on whether the opening through a cover ring or a separate yoke-forming
- Housing part is closed.
- the inner pole body, the outer pole body and / or the yoke-forming housing part has or have a recess for receiving an electrical connection line, which is preferably arranged on a side facing away from the flat armature of the magnet coil.
- the electrical connection line preferably has at least two cores which are connected to the at least two ends of a coil wire.
- the inner pole body and / or the outer pole body form or form a housing part of the magnet valve.
- the number of components of the solenoid valve can be reduced in this way and the structure of the solenoid valve can be simplified.
- a housing surrounding the magnet assembly may be omitted under certain circumstances.
- the inner pole body and / or outer pole body has or have a radially extending collar region, via which the inner pole body and the outer pole body are connected or connectable in a yoke-forming manner on the side of the magnet coil facing away from the flat armature.
- a separate, yoke-forming component can therefore be dispensed with, whereby the structure of the magnet assembly is further simplified.
- at least one collar region extending radially on the inner pole body and / or on the outer pole body can serve to connect the two pole bodies.
- a weld can be arranged, by means of which the two polar bodies are firmly connected.
- other joining methods for connecting the two pole bodies can be used.
- the connection can be made by gluing or pressing.
- the inner pole body and the outer pole body may be connected on the side facing away from the flat armature of the solenoid coil via the aforementioned yoke-forming housing part, which has a recess for receiving the electrical connection line.
- the above-mentioned joining methods can be used.
- the connection can be made by means of a weld or by an adhesive or press connection.
- Housing part has the advantage that the mecanical ness of the yoke-forming housing part with the mecanical ness of the yoke-forming housing part with the mecanical ness of the yoke-forming housing part with the mecanical ness of the yoke-forming housing part with the mecanical symmetry of the yoke-forming housing part with the comparativelypol moments of the yoke-forming housing part with the comparativelypol moments or else the magnetic coil.
- the separate yoke-forming housing part is connected to the inner pole body or the outer pole body, which leads to yoke formation. If the inner pole body and the outer pole body are formed integrally at the same time, the additional arrangement of a cover ring can be dispensed with since the coil receiving space is already sealed in a fluid-tight manner by a common radially extending collar region relative to the armature space.
- the inner pole body and the outer pole body are ferromagnetically connected via the cover ring.
- the cross-sectional area of the cover ring is chosen such that it already goes into low saturation of the coil in the magnetic saturation. If the arrangement of a cover ring is dispensed with, since, for example, the inner pole body and the outer pole body are integrally formed, the cross section of the common radial collar region connecting the inner pole body to the outer pole body is preferably selected accordingly.
- the outer pole body has a collar region which extends in the circumferential direction and / or in the radial direction at least partially beyond the coil receiving space in the direction of the inner pole body on the side of the magnetic coil facing the flat armature.
- the collar region of the outer pole body that extends at least partially in the circumferential direction and / or in the radial direction may also be part of a common collar region of the outer pole body with the inner pole body, wherein the cross sectional area is stepped and has a larger cross sectional area or greater height in the region of the outer pole body.
- a solenoid valve with a magnet assembly is proposed, since such a simple structure and inexpensive to produce.
- the magnet coil and / or the electrical connections of the magnet coil are arranged in a dry area and consequently in relation to a wet area are isolated, the stress on the electrical components decreases, whereby the robustness of the magnet assembly and thus of the solenoid valve increases.
- the solenoid valve is a pressure control valve for a fuel injection system of an internal combustion engine. Since there is usually fuel in the armature space of a conventional pressure control valve, the magnet assembly according to the invention serves the purpose of sealing the coil receiving space in a fluid-tight manner with respect to the fuel-carrying region. The fuel located in the armature space can therefore not reach the coil receiving space.
- the flat armature is arranged on the side of the magnet coil facing away from a valve seat, so that the flat armature is pulled in the direction of the valve seat when the magnet coil is energized.
- the proposed arrangement of the flat armature is used in particular to form a pressure regulating valve.
- the magnet assembly according to the invention can also be used in other valves, which are controllable by means of a magnetic assembly or magnetic actuators.
- FIG. 1 shows a partial longitudinal section through a first preferred embodiment of a solenoid valve according to the invention
- FIG. 2 shows several partial longitudinal sections as exploded views in order to illustrate the assembly process of the magnetic valve of FIG. 1,
- FIG. 3 shows a partial longitudinal section through a second preferred embodiment of a solenoid valve according to the invention
- FIG. 4 shows the assembly process of the solenoid valve of FIG. 3
- FIG. 5 shows a partial longitudinal section through a third preferred embodiment of a solenoid valve according to the invention
- FIG. 6 shows the assembly process of the solenoid valve of FIG. 5
- FIG. 7 shows a longitudinal section through an outer pole body of a modification of the embodiment of FIG. 5, FIG.
- FIG. 8 shows a partial longitudinal section through a fourth preferred embodiment of a solenoid valve according to the invention
- FIG. 9 shows the assembly process of the solenoid valve of FIG. 8
- FIG. 10 is a partial longitudinal section through a fifth preferred embodiment of the solenoid valve according to the invention, Figure 11 shows the assembly process of the solenoid valve of Figure 10 and
- Figure 12 is a partial longitudinal section through a magnetic assembly of a modification of the embodiment of Figure 10.
- the pressure regulating valve shown only partially in FIG. 1 comprises a magnet assembly according to the invention and accordingly forms a solenoid valve according to the invention.
- the representation is essentially limited to the left of a longitudinal axis A lying part of the pressure control valve. The type of presentation takes place in all
- the magnet assembly of the pressure regulating valve of FIG. 1 comprises an inner pole body 1 which is part of a housing part 10 and has a radially outward-facing extending collar portion 12 has, via which the inner pole body 1 is connected to a politicianpolharm 2.
- the outer pole body 2 also forms a housing part 11.
- the inner pole body 1 and the outer pole body 2 or the housing parts 10, 11 are in the present case connected via a weld 23.
- the inner pole body 1 and the outer pole body 2 delimit a Spulenability- space 3, in which an annular magnetic coil 5 is received.
- the magnetic coil 5 cooperates with a flat armature 4, which is firmly connected to a pressure pin 16.
- the pressure pin 16 is applied to a spherical closing element 19 of the pressure regulating valve, which in turn cooperates sealingly with a valve seat 20.
- the spherical closing element 19 is arranged in a valve chamber 21, which can be relieved via an outlet bore 22 in the form of a radial bore in the housing part 10.
- the valve chamber 21 is therefore limited by the housing part 10 and a valve member 18, the latter forming the valve seat 20.
- the flat armature 4 is accommodated in an armature space 6, which is bounded by a cover part 17 which is connected to the housing part 11 serving as outer pole body 2.
- the coil receiving space 3 is fluid-tightly sealed with respect to the armature space 6 by means of a cover ring 7, wherein the cover ring 7 in the present case also serves as a stroke stop.
- the outer pole body 2 and the inner pole body 1 have flat plane end faces lying in a radial plane E, on which the covering ring 7 rests.
- the cover ring 7 consists of ferromagnetic material, so that the inner pole body 1 and the outer pole body 2 are connected ferromagnetically via the cover ring 7.
- connection of the magnetic coil 5 to a power source via an electrical connection line 9, which led out on a side facing away from the flat armature 4 of the magnetic coil 5 and is received in recesses 8 of the inner pole body 1 and the outer pole body 2.
- the magnetic coil 5 If the magnetic coil 5 is energized, forms a magnetic field, which pulls the flat armature 4 including the pressure pin 16 in the direction of the magnetic coil 5 and thus in the direction of the valve seat 20.
- the magnetic force is transmitted via the pressure pin 16 to the spherical closing element 19, which thus locks the closing element 19 in the force balance with a force acting on the top of the ball hydraulic force or in contact with the valve 20 holds.
- the valve chamber 21 is hydraulically connected to the armature space 6 via the pressure pin 16 receiving bore in the housing part 10, so that the armature space 6 is filled with fuel.
- the cover ring 7 fluid-tightly seals the coil receiving space 3 with respect to the armature space 6, no fuel can get into the coil receiving space 3.
- the solenoid 5 is thus received in the dry area of the pressure control valve, while the flat armature 4 is in the wet area.
- the arrangement of the electrical line 9 on the side facing away from the flat armature 4 of the magnetic coil 5 causes these also comes to rest in the dry region of the pressure control valve. Additional sealing measures can thus be omitted, which reduces the manufacturing and / or assembly costs.
- the covering ring 7 is then placed on the plane-lying end faces of the outer pole body 2 and of the inner pole body 1 lying in a radial plane E and connected in a fluid-tight manner to them. Subsequently, the pressure pin 16 is inserted with the flat armature 4 in the housing part 10. Finally, the lid part 17 from above on the Flat anchor placed and connected to the personallypolenia 2. The connection is made in such a way that the armature space 6 is sealed to the outside.
- the solenoid coil is no longer flushed with fuel and also has no passage of the coil wires through the wet area of the valve. Because the coil wires are in this case led out laterally and / or down from the housing or the housing parts.
- the cover 7 is placed on plane end surfaces of the intendpol- and mecanicpol stressess 2, 1.
- the cover ring 7 can be inserted or inserted in a corresponding annular groove ofthinkpol- and / or réellepol stressess 2, 1 flush or with axial projection. This means that the end faces of the two pole bodies 1, 2 do not necessarily have to be plane and / or lying in a radial plane E.
- FIG. 3 further embodiment of a pressure control valve according to the invention differs from that of Figure 1, characterized in that theticianpolisme 2, a collar portion 15 is formed, which extends on the flat armature 4 facing side of the magnetic coil 5 radially inward and thus the Spulenfactraum 3 partially covered. Thereby, the radial gap between the outer pole body 2 and the inner pole body 1 is reduced, whereby it is further possible to reduce the outer diameter of the flat armature 4.
- the covering ring 7 is furthermore arranged, which seals the coil receiving space 3 against the armature space 6 in a fluid-tight manner.
- FIG. 5 further embodiment of a pressure control valve according to the invention differs from that of Figure 1, characterized in that serving as Baspol republic 2 housing part 11 is equipped with a collar portion 12, so that a collar portion 12 can be omitted on the housing part 10.
- the collar portion 12 formed on the housing part 11 can also serve the connection of the two housing parts 10, 11, wherein also here the connection by means of a weld 23 takes place.
- the electrical connection line 9 is arranged in a recess 8, which is formed in the housing part 11.
- the coil receiving space 3 is in turn fluid-tightly sealed by the covering ring 7 with respect to the armature space 6, so that the magnetic coil 5 and the electrical connection line 9 come to rest in the dry area of the pressure regulating valve.
- the assembly steps differ from those of Figure 2 only slightly. Since only one recess 8 is formed in the housing part 11 serving as the outer pole body 2, the magnet coil 5 must first be placed on the collar region 12 of the housing part 11 and the coil wire emerging on the magnet coil 5 is to be connected to an electrical connection line 9 which below is set. If the coil wire or the electrical connection line 9, which emerges from the magnetic coil 5, dimensioned sufficiently long and / or flexible, it can be pulled through the recess 8 even after the insertion of the magnetic coil 5 in the housing part 11. The further assembly steps largely correspond to those shown in FIG. 2, so that again reference is made to them.
- FIG. 7 shows a modification of the housing part 11 serving as outer pole body 2, in which the recess 8 extends over the entire radial extension of the collar region 12.
- the formation of the recess 8 is simplified. In this case, however, the weld seam 23 only extends over a partial circumferential area.
- FIG. 8 shows a further embodiment of a pressure control valve according to the invention is shown in which now the réellepol stresses 1 and the outer pole body 2 are integrally formed and form a cup-shaped housing part 11.
- a recess 8 is arranged, in which the electrical connection line 9 is accommodated.
- the upwardly facing opening of the cup-shaped housing part 11 is closed fluid-tight by the cover ring 7, so that the coil receiving space 3 is sealed relative to the armature space 6.
- the magnetic coil 5 is inserted into the coil receiving space 3, which is formed over the cup-shaped housing part 11, which at the same time also forms the inner pole body 1 and the outer pole body 2.
- the lead out of the magnetic coil 5 coil wire is thereby inserted into the recess 8 of the cup-shaped housing part 11 and connected to a further connecting line 9.
- this component assembly is connected to the housing part 10 via a weld 23.
- the cover ring 7 is then placed and fluid-tightly connected to the outer pole body 2 and the inner pole body 1.
- the pressure pin 16 is used with the flat armature 4 in the housing part 10, soft on the lid part 17 follows.
- FIG. Another preferred embodiment of a pressure control valve according to the invention is shown in FIG. Again, the mecanical a pressure control valve according to the invention is shown in FIG. Again, the mecanical a pressure control valve according to the invention is shown in FIG. Again, the mecanical a pressure control valve according to the invention is shown in FIG. Again, the mecanical a pressure control valve according to the invention is shown in FIG. Again, the mecanical a pressure control valve according to the invention is shown in FIG. Again, the Certainlypol analyses 1 and the personallypolworks 2 are integrally connected, wherein the invention via a common collar portion 15 which seals the coil receiving space against the armature space 6 fluid-tight. The cover ring 7 is thereby unnecessary.
- the magnet coil 5 is inserted from below and subsequently connected to a yoke-forming housing part 13.
- a recess 14 is formed, which receives the electrical connection line 9 of the coil 5.
- the yoke-forming housing part 13 is in turn connected to the housing part 10.
- the connections can each be effected via a weld 23.
- the pressure pin 16 and the flat armature 14 are inserted into the housing part 10 and finally the armature space 6 is closed via the cover part 17.
- FIG. 12 shows a slightly modified cup-shaped housing part 11 for forming the outer pole body 2 and the inner pole body 1.
- the collar portion 15 is stepped in cross-section, wherein it has a greater height in the region of the outer pole body 2. The collar region 15 thus ensures, on the one hand, a seal of the coil receiving space 3 relative to the armature space 6, as well as a reduction of the radial gap between personallypolenia 2 and inner pole body 1, so that the outer diameter of the flat armature 4 can be reduced.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210219978 DE102012219978A1 (de) | 2012-10-31 | 2012-10-31 | Magnetbaugruppe für ein Magnetventil |
PCT/EP2013/071007 WO2014067750A1 (de) | 2012-10-31 | 2013-10-09 | Magnetbaugruppe für ein magnetventil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2914843A1 true EP2914843A1 (de) | 2015-09-09 |
EP2914843B1 EP2914843B1 (de) | 2017-08-16 |
Family
ID=49322379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13774176.5A Active EP2914843B1 (de) | 2012-10-31 | 2013-10-09 | Magnetbaugruppe für ein magnetventil |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2914843B1 (de) |
DE (1) | DE102012219978A1 (de) |
WO (1) | WO2014067750A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013224719A1 (de) | 2013-12-03 | 2015-06-03 | Robert Bosch Gmbh | Magnetbaugruppe für ein Magnetventil |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5238224A (en) * | 1992-08-20 | 1993-08-24 | Siemens Automotive L.P. | Dry coil |
DE602005021310D1 (de) * | 2005-03-14 | 2010-07-01 | Fiat Ricerche | Verstellbares Dosierservoventil eines Einspritzventils sowie dessen Verstellungsverfahren |
DE202008008650U1 (de) | 2008-06-27 | 2009-11-12 | Robert Bosch Gmbh | Magnetkern, Magnetbaugruppe sowie Kraftstoff-Injektor-Magnetventil |
AT508049B1 (de) * | 2009-03-17 | 2016-01-15 | Bosch Gmbh Robert | Vorrichtung zum einspritzen von kraftstoff in den brennraum einer brennkraftmaschine |
EP2366888A1 (de) * | 2010-03-17 | 2011-09-21 | Continental Automotive GmbH | Ventilgruppe für ein Einspritzventil, Einspritzventil und Verfahren zum Zusammenbauen einer Ventilgruppe eines Einspritzventils |
-
2012
- 2012-10-31 DE DE201210219978 patent/DE102012219978A1/de not_active Withdrawn
-
2013
- 2013-10-09 WO PCT/EP2013/071007 patent/WO2014067750A1/de active Application Filing
- 2013-10-09 EP EP13774176.5A patent/EP2914843B1/de active Active
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2014067750A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2914843B1 (de) | 2017-08-16 |
DE102012219978A1 (de) | 2014-04-30 |
WO2014067750A1 (de) | 2014-05-08 |
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