CN101189689A - Solenoid unit and method for producing said solenoid unit and a magnet housing for such a solenoid unit - Google Patents
Solenoid unit and method for producing said solenoid unit and a magnet housing for such a solenoid unit Download PDFInfo
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- CN101189689A CN101189689A CN200680019778.0A CN200680019778A CN101189689A CN 101189689 A CN101189689 A CN 101189689A CN 200680019778 A CN200680019778 A CN 200680019778A CN 101189689 A CN101189689 A CN 101189689A
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- shell
- top cover
- calutron
- shell body
- solenoid
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Classifications
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- 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
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- 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
- H01F7/1607—Armatures entering the winding
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- 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
- H01F2007/083—External yoke surrounding the coil bobbin, e.g. made of bent magnetic sheet
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Magnetically Actuated Valves (AREA)
- Electromagnets (AREA)
Abstract
An electromagnetic unit for a solenoid valve, has a magnetic coil and a ferromagnetic circuit surrounding the magnetic coil (10), which has a fixed magnet housing and a movable magnetic armature (14). The magnet housing is comprised of a cover (18), a wall (22) and a floor (20) in the form of multilayered transformer laminations.
Description
Technical field
The present invention relates to a kind of calutron that is used for electromagnetically operated valve, comprise a solenoid and a ferromagnetic circuit around solenoid, it comprises movably armature of a magnetic shell body and of fixing.In addition, the method and that is used to make a this calutron that the invention still further relates to is used to make the method for the magnetic shell body that a this calutron uses.
Background technology
The valve of Electromagnetic Drive has an armature and the magnetic shell body that a solenoid, is used to open and close valve.On simple version, the magnetic shell body is made of the solid plate of a U-shaped bending.This version preferably is suitable for DC control.In alternating current control, this version produces a large amount of eddy current loss.Thus, considering that governable effective power and magnetic force are less under the heating state that allows.In addition, for example known by DE19860631A1 of the same type, magnetic shell body integral body is by a steel band manufacturing, and it at first is stamped and rolls then or bending.But the possibility of shape structure here is restricted.
Other exchange electrically driven (operated) electromagnetically operated valve and are provided with the magnetic shell body that the Ferrite Material of sintering is made for fear of eddy current.Though this electromagnetically operated valve is adapted to pass through the operation of direct voltage, owing to the reason of cost is made two valve arrangements.For the magnetic shell body of the valve of direct current operation, opposite with the valve of alternating current operation, do not use the expensive special material such as the ferrite of sintering, but cheap steel plate.
Summary of the invention
The invention provides a calutron that is used for electromagnetically operated valve, wherein the magnetic shell body is that a top cover, a shell and a bottom of the transformer silicon steel plate of multilayer assembles by form.One valve is the favourable shape of magnetic shell body, because it surrounds solenoid.In addition, thin flaggy can be in accurately formation of hour cooperation of cost, and the borderline resistance of layer is enough to venturi effect is reduced to an acceptable degree.Thus, for the cost reason, two valve arrangements making direct current and alternating current are no longer necessary.
Therefore, the transformer silicon steel plate is fit to particularly well, because they have the small thickness of a few tenths of millimeter except suitable magnetic properties.In addition, the transformer silicon steel plate is a kind of industrial bulk article and correspondingly can cheaply uses.In addition, they also can have an electric insulation coating layer, and this has advantage for reducing eddy current better.
In one embodiment, transformer silicon steel plate is stamped and is crooked as required.Because the plate that uses has a small thickness, procedure of processing is easy and can carry out at an easy rate.
Transformer silicon steel plate has a plurality of layers, and wherein possible is that these layers are connected to each other.This has improved the stability of transformer silicon steel plate and has reduced gap width between each layer.For example, suitable method of attachment is tied up, is bondd or rivets.
Bottom and/or top cover can have the opening at a center.Thus, the simple and easy assembling of calutron becomes possibility, because for example armature, armature antipole and/or a core conduit axially push easily.
In this embodiment, a radial slit that runs through to exterior periphery from the opening at center preferably is set in top cover and/or bottom.This slit reduces the appearance of the eddy current on the circumferencial direction of top cover and bottom.
Bottom and/or top cover can be clogged by shell under the state of assembling.This is a kind of cheap especially and fixed form reliably.Before plate connected, solenoid can insert in the shell no problemly, and making provides the assembly of a prepackage of being made up of bottom, top cover, shell and solenoid very easily by filling.
In another embodiment, the magnetic shell body case has a through hole at least, and solenoid is cast, sealed around pressurization (Umpre β t) or injection moulding.By this through hole, the plastic material of liquid imports in the magnetic shell body, makes solenoid obtain a plastic encapsulation.After plastic material solidifies, possible slit or space are closed, and the plate of magnetic shell body and solenoid are so fixing, make no longer to appear at vibration sound in the valve operation.
Shell can have a thickness littler than the bottom, and wherein the bottom also can have a thickness bigger than top cover.Thus, the magnetoimpedance of the raising that at first occurs by unmagnetized core conduit with to the air-gap of armature movably in the bottom is by bigger panel thickness compensation.Because the sandwich construction of plate, the thickness of plate can change very simply by the number of plies.The plate of the layering of top cover, shell and bottom can be on the thickness and feature of each plate-for example insulation or on-insulated-difference mutually.
In one embodiment, top cover comprises the top lid member of an inside and the top lid member of an outside, and wherein the interior profile complementation of the outline of interior roof element and outer cover element makes top lid member shape to assemble sealedly.At this, the single transformer silicon steel plate that is not top cover is called as top lid member, but is folded by the plate that a plurality of transformer silicon steel plates constitute.The structural advantages of being made up of two top lid member is that even the higher relatively interior roof element of manufacturing expense can both structure use in the same manner, necessary coupling is undertaken by the low outer cover element that can make of expense on different top cover sizes.By the sealed connection of shape, the top cover be made up of inside and outside top lid member as (but being made up of a plurality of flaggies) top cover of a single-piece, makes magnetic flux be without prejudice on the top cover plane basically.
The outer cover element preferably is designed to U-shaped.Thus, the safety lead-in wire terminals that cause interior roof element manufacturing expense to improve basically of interior roof element can both be suitable on all physical dimensions of top cover.
In addition, top cover can also have a covering, and it covers the top lid member that assembles.By this covering, on bigger top cover, on the one hand, increase the folded panel thickness of plate, on the other hand, the basal plane of top cover is not separating by a slit between inside and outside top lid member on its full depth.The both helps the minimizing of magnetoimpedance.
In addition, the present invention also comprises and is used to make a method of magnetic shell body that is used for the calutron of electromagnetically operated valve to have following step:
A) plate made by ferromagnetic material of punching press;
B) sheetpile is built up plate and fold, they use as shell, bottom or top cover or the top lid member of a magnetic shell body of calutron;
C) by form shape between top cover and shell and bottom and the shell sealed assemble the magnetic shell body;
By this method, easy and make at an easy rate and be used for one and both be fit to the magnetic shell body that direct current control is fit to the calutron of alternating current control.
In some embodiments, top cover is made of the wherein interior profile complementation of the outline of interior roof element and outer cover element an interior roof element and an outer cover element before assembling magnetic shell body.Sealed and/or the force closure of the preferred landform of top lid member ground links to each other.The sealed connection of shape but also be a possible friction perpendicular to the top cover plane sealed cause one in the top cover plane unobstructed magnetic flux, and can make easily.Preferably punching press of top lid member with complementary profile, for example, force closure can realize by the interference fit between the top lid member.The limit of U-shaped top lid member can be when the sealed connection of shape and mutual extrusion and the distortion slightly of interior roof element, makes them clamp the interior roof element after the connection and stop the relative motion between top lid member perpendicular to the top cover plane.
After the inside and outside top lid member of assembling, a covering can be installed on inside and/or outer cover element extraly.By a kind of so also the same with inside and outside top lid member covering that is made of the transformer silicon steel plate, along with the expansion of top cover area, top cover thickness can mate very easily, that is to say increase.Covering is for example clogged with inside and/or outer cover element.
In addition, the present invention comprises that also one is used to make a method that is used for the calutron of electromagnetically operated valve, and it has following step:
A) plate formed by ferromagnetic material of punching press;
B) sheetpile is built up plate and fold, they use as shell, bottom or top cover or the top lid member of a magnetic shell body of calutron;
C) form shell, make it can surround a solenoid at least in part;
D) solenoid is inserted in the shell;
E) by form a shape between top cover and shell and bottom and the shell sealed assemble the magnetic shell body.
By form the sealed connection of a shape between bottom and shell or top cover and shell, in a method modification, being assembled in of magnetic shell body begins before solenoid inserts shell.Corresponding therewith, among the cancellation step E step by step.
By this method, the same element manufacturing of magnetic shell body and solenoid as prepackage, wherein the solenoid protectorate is positioned at the inside of prepackage element.After an armature antipole and a core conduit and a removable armature of fixing was installed, the calutron manufacturing was finished.
Preferably after assembling magnetic shell body, the plastic material of liquid is imported in the magnetic shell body of assembling, so that wrap embedding one solenoid by a through hole that is arranged in the magnetic shell body.For example, through hole is made by punching press before or after the plate layering.After plastic material imported and hardens, fixedly the plate of magnetic shell body and solenoid made any vibration sound can not occur.
Description of drawings
By following preferred embodiment an explanation is drawn other features and advantages of the present invention with reference to accompanying drawing.In the accompanying drawing:
Fig. 1 illustrates the cutaway view of the signal of a calutron;
Fig. 2 illustrates the perspective view of a top cover by calutron of the present invention, bottom and shell;
Fig. 3 illustrates the perspective view of an interior roof element and an outer cover element;
Fig. 4 illustrates and is used for a perspective view by the top cover of calutron of the present invention, and it is made up of the inside and outside top lid member by Fig. 3;
Fig. 5 illustrates one and is used for a parts explosion by the perspective of calutron of the present invention, comprises the top cover of a multi-piece type.
Embodiment
Fig. 1 illustrates a calutron that is used to operate an electromagnetically operated valve, comprises a solenoid 10, and it determines that a coil axis A and its winding are held by a coil pipe 12.One ferromagnetic circuit is shown in addition, and it comprises a magnetic shell body, of fixing movably an armature 14 and a fixing armature antipole 16 in Fig. 1.The magnetic shell body has a top cover 18, a bottom 20 and a shell 22 in the case.The core conduit 24 of one non-magnetic is set in addition, and it extends between coil pipe 12 and armature 14 or armature antipole 16 in solenoid 10 inside.The power supply of solenoid 10 realizes by the terminals that schematically illustrate equally 26 of axial derivation.
On the solenoid 10 of no current switch, armature 14 is so loaded by a spring (not shown) usually, makes electromagnetically operated valve be located on the position of wishing (open or close).When the power supply of solenoid 10, in solenoid, produce a magnetic field of axially adjusting.Armature 14, armature antipole 16 and magnetic shell body (being specially top cover 18, bottom 20 and shell 22) constitute a ferromagnetic circuit, the power of its decisive action to the armature 14.Between armature 14 and armature antipole 16, there is an axial air-gap 28, makes armature 14 be attracted to armature antipole 16.The driving stroke of the axial dimension of air-gap 28 and electromagnetically operated valve is a same meaning.
Fig. 2 illustrates magnetic shell body one particularly preferred execution mode, and it is made up of top cover 18, bottom 20 and shell 22.What can find out is that the plate of magnetic shell body is made up of the multi-layer transformer silicon steel plate.Wherein, top cover 18 and bottom 20 have a plurality of layers in the axial direction, and shell 22 has a plurality of layers diametrically.Orientation that plate is folded that is the axial stratification that is used for top cover 18 and bottom 20 and the move towards selection of the radially layered that is used for shell according to the magnetic line of force, wherein the eddy current path of extending perpendicular to the magnetic line of force is but interrupted on layer border.
In the present embodiment, single layer is made up of the transformer silicon steel plate, and the transformer silicon steel plate has the thickness of about 1mm, and can apply by the coating of an electric insulation.But usually, the layer of a nonisulated voltage device plate that exposes is enough, so that owing to eliminate eddy current to a great extent in layer boundary increased resistance.Demonstration ground illustrates and is used for the several layers of each housing member in Fig. 2, but they represent the structure of a multilayer with only signify.1 to 1, during 2mm, each member preferably includes 2 to 9 layers at layer thickness.In order to add stiff stability and to reduce the slit, the layer of member can be for example by tying up, bond or riveting continuous.
The plate of magnetic shell body can change its thickness very simply by the quantity of measuring layer.Usually, for example bottom 20 have than top cover 18 or shell 22 more multi-layered so as core conduit 24 by non-magnetic in 20 zones, bottom and core conduit 24 and movably the air-gap between the armature 14 compensate the magnetoimpedance of increase at least in part.
On top cover 18 and bottom 20 recess 30 is set, the contact pin 32 of shell 22 can import wherein.Top cover 18 and shell 22 be connected and realized with being connected by assembling parts and filling contact pin 32 of shell 22 bottom 20.Solenoid 10 can the no problem earth's axis be clogged rear encloseds in magnetic shell body inside to insertion and in contact pin 32 before the assembling of magnetic shell body.By another enforcement, top cover 18 or bottom 20 are welded or are screwed with shell 22.
Fig. 2 is illustrated in a plurality of through holes 36 in the shell 22, imports the plastic material of a liquid by them after solenoid 10 inserts and assembles the magnetic shell body, so that bag embedding and Motionless electromagnetic coil 10.Injection moulding is sealed, is the feasible method of bag embedding solenoid 10 around pressurizeing or casting.Through hole 36 preferably is arranged on the place of the undermined minimum of effect of ferromagnetic circuit.Certainly for this purpose, top cover 18 or bottom 20 also can have through hole.
According to each structural series of electromagnetically operated valve, each plate of magnetic shell body can have characteristics.Therefore, in Fig. 2, Yuan Xing top cover 18 cuts along a circle flat-cut basically, so that simplify axially drawing of solenoid 10 terminals 26.Size on the circumferencial direction of shell 22 depends primarily on valve arrangement series and only need guarantee enough magnetic currents.But multilayer package 22 preferably surround solenoid 10 at least half, and under extreme case, surround fully, a slit that radially extends wherein should be set at least, so that reduce eddy current appearance in a circumferential direction.
Fig. 3 and Fig. 4 illustrate the top cover 18 that an interior roof element 38 and an outside U-shaped top lid member 40 and are made up of cover part 38,40.Reason for simplifying only illustrates a top cover 18 or top lid member 38,40 below, and wherein bottom 20 also can be made up of the relative bottom parts on multi-piece type ground naturally.
By Fig. 3 and Fig. 4 the method that is used to make multi-part top cover 18 is described now.At first, inside and outside cover part 38,40 and bottom 20 and shell 22 are made similarly, wherein ferromagnetic transformer silicon steel plate is stamped, layering be connected the interior profile complementation of the outline of interior roof element 38 and outer cover element 40.Reserve the space of each transformer silicon steel plate for the side at interior roof element 38 constitutes safety lead-in wire terminals 42 on the height of top cover 18, and protuberance is set, draw the profile of a complexity, it makes relevant with the die cost that increases.According to this higher manufacturing cost, interior roof element 38 and safety lead-in wire connection 42 structure in all are implemented are used in the same manner.On little magnetic shell body, interior roof element 38 constitutes whole top cover 18, and in contrast, on big magnetic shell body, the sealed and/or force closure ground of U-shaped outer cover element 40 shapes of making easily links to each other with interior roof element 38.The recess 30 of interior roof element 38 is not used in be connected (can compare Fig. 2) with shell 22, but is used for sealed being connected of shape with outer cover element 40 corresponding protuberances 44.The connection of and/or force closure sealed for top lid member 38,40 better shapes also can be provided with extra groove that plays a role jointly and protuberance, and they are shown in broken lines in Fig. 4.
In Fig. 5, can see that one comprises the exploded view of magnetic shell body of the top cover 18 of a multi-piece type.For the panel thickness of top cover 18 can be fit to bigger top cover 18, a covering 46 is set, wherein this covering 46 covers top lid member 38,40, and basal plane of covering 46 is with corresponding by the basal plane of the inside and outside top lid member 38,40 of assembling in other words.Compare long slightly contact pin 32 with Fig. 2 by shell 22, in this case, shell 22, outer cover element 40 and covering 46 are clogged mutually.In addition, covering 46 also can firmly link to each other with interior roof element 38.In order to reduce the eddy current on top cover 18 circumferencial directions, a radial slot 34 is set also in covering 46.
Claims (19)
1. the calutron that is used for an electromagnetically operated valve, comprise a solenoid (10) and a ferromagnetic circuit around solenoid (10), this ferromagnetic circuit comprises movably armature (14) of a magnetic shell body and of fixing, it is characterized in that the magnetic shell body is that a top cover (18), a shell (22) and a bottom (20) of the transformer silicon steel plate of multilayer are formed by form.
2. by the described calutron of claim 1, it is characterized in that transformer silicon steel plate is stamped and carries out bending as required.
3. by each described calutron of aforesaid right requirement, it is characterized in that transformer silicon steel plate has a plurality of layers, wherein these layers are connected to each other.
4. by each described calutron of aforesaid right requirement, it is characterized in that top cover (18) and/or bottom (20) have the opening at a center.
5. by the described calutron of claim 4, it is characterized in that top cover (18) and/or bottom (20) have a radial slit (34) that runs through to exterior periphery from the opening at center.
6. by each described calutron of aforesaid right requirement, it is characterized in that top cover (18) and/or bottom (20) are clogged by shell (22) under the state of assembling.
7. by each described calutron of aforesaid right requirement, it is characterized in that shell (22) has at least one through hole (36), and solenoid is cast, around the pressurization or injection moulding seal.
8. by each described calutron of aforesaid right requirement, it is characterized in that shell (22) has one than the littler thickness in bottom (20).
9. by the described calutron of claim 8, it is characterized in that bottom (20) have one than the bigger thickness of top cover (18).
10. by each described calutron of aforesaid right requirement, it is characterized in that, top cover (18) comprises the top lid member (38) of an inside and the top lid member (40) of an outside, the wherein interior profile complementation of the outline of interior roof element (38) and outer cover element (40), make top lid member (38,40) shape to assemble sealedly.
11. by the described calutron of claim 10, it is characterized in that outer cover element (40) is designed to U-shaped.
12. by claim 10 or 11 described calutrons, it is characterized in that top cover (18) has a covering (46), this covering covers the top lid member (38,40) that assembles.
13. be used to make a method of magnetic shell body that is used for the calutron of electromagnetically operated valve, may further comprise the steps:
The plate that punching press is made by ferromagnetic material;
Sheetpile is built up plate fold, described plate is folded as shell (20), bottom (20) or the top cover (18) of a magnetic shell body of calutron or top lid member and is used;
By be formed on shape between top cover (18) and shell (22) and bottom (20) and the shell (22) sealed assemble the magnetic shell body.
14. by the described method of claim 13, it is characterized in that, top cover (18) is at step C) precedingly be assembled into the wherein interior profile complementation of the outline of interior roof element (38) and outer cover element (40) by an interior roof element (38) and an outer cover element (40).
15., it is characterized in that the sealed and/or force closure ground of top lid member (38,40) shape links to each other by the described method of claim 14.
16. by claim 14 or 15 described methods, it is characterized in that, after the inside and outside top lid member of assembling (38,40), a covering (46) be installed on inside and/or the outer cover element (38,40).
17. be used to make a method that is used for the calutron of an electromagnetically operated valve, it has following step:
A) plate made by ferromagnetic material of punching press;
B) sheetpile is built up plate and fold, described plate is folded as shell (22), bottom (20) or the top cover (18) of a magnetic shell body of calutron or top lid member and is used;
C) form shell (22), make it can surround a solenoid (10) at least in part;
D) solenoid (10) is inserted shell (22);
E) by be formed on shape between top cover (18) and shell (22) and bottom (20) and the shell (22) sealed assemble the magnetic shell body.
18. by the described method of claim 17, it is characterized in that, by forming the sealed connection of a shape between bottom (20) and shell (22) or top cover (18) and shell (22), the solenoid (10) that is assembled in of magnetic shell body begins before being inserted in the shell (22).
19., it is characterized in that, in step e by claim 17 or 18 described methods) import in the magnetic shell body of assembling by the plastic material of a through hole that in the magnetic shell body, is provided with (36) afterwards liquid, so that bag embedding solenoid (10).
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202005006296.0 | 2005-04-20 | ||
| DE200520006296 DE202005006296U1 (en) | 2005-04-20 | 2005-04-20 | Electromagnetic unit e.g. for solenoid valve, has floor of magnet housing comprised of multilayered transformer laminations |
| DE102006006031.8 | 2006-02-09 | ||
| DE102006006031A DE102006006031B4 (en) | 2005-04-20 | 2006-02-09 | Electromagnet unit and method for producing such a solenoid unit and a magnet housing for such a solenoid unit |
| PCT/EP2006/003447 WO2006111330A1 (en) | 2005-04-20 | 2006-04-13 | Solenoid unit and method for producing said solenoid unit and a magnet housing for such a solenoid unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101189689A true CN101189689A (en) | 2008-05-28 |
| CN101189689B CN101189689B (en) | 2013-11-06 |
Family
ID=34745725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200680019778.0A Active CN101189689B (en) | 2005-04-20 | 2006-04-13 | Solenoid unit and method for producing said solenoid unit and a magnet housing for such a solenoid unit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101189689B (en) |
| DE (1) | DE202005006296U1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102272865A (en) * | 2009-01-27 | 2011-12-07 | 博格华纳公司 | Solenoid arrangement with segmented armature member for reducing radial force |
| CN109313973A (en) * | 2016-03-07 | 2019-02-05 | 胡斯可汽车控股有限公司 | Electromagnetic actuators with integral type pole piece |
| CN111565865A (en) * | 2018-01-04 | 2020-08-21 | 纬湃技术有限公司 | Method for producing a solenoid valve device and solenoid valve device |
| CN111601994A (en) * | 2017-11-30 | 2020-08-28 | 法雷奥电机控制系统公司 | Electromagnetic valve |
| CN113272567A (en) * | 2018-12-27 | 2021-08-17 | 美国圣戈班性能塑料公司 | Low friction bearing liner for solenoid |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014215589A1 (en) * | 2014-02-10 | 2015-08-13 | Robert Bosch Gmbh | Residual air gap disk for a magnetic assembly of a solenoid valve and method for producing a residual air gap disk |
-
2005
- 2005-04-20 DE DE200520006296 patent/DE202005006296U1/en not_active Expired - Lifetime
-
2006
- 2006-04-13 CN CN200680019778.0A patent/CN101189689B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102272865A (en) * | 2009-01-27 | 2011-12-07 | 博格华纳公司 | Solenoid arrangement with segmented armature member for reducing radial force |
| CN109313973A (en) * | 2016-03-07 | 2019-02-05 | 胡斯可汽车控股有限公司 | Electromagnetic actuators with integral type pole piece |
| CN109313973B (en) * | 2016-03-07 | 2021-05-07 | 胡斯可汽车控股有限公司 | Electromagnetic actuator with integral pole piece |
| CN111601994A (en) * | 2017-11-30 | 2020-08-28 | 法雷奥电机控制系统公司 | Electromagnetic valve |
| CN111565865A (en) * | 2018-01-04 | 2020-08-21 | 纬湃技术有限公司 | Method for producing a solenoid valve device and solenoid valve device |
| CN113272567A (en) * | 2018-12-27 | 2021-08-17 | 美国圣戈班性能塑料公司 | Low friction bearing liner for solenoid |
| CN113272567B (en) * | 2018-12-27 | 2023-04-18 | 美国圣戈班性能塑料公司 | Low friction bearing liner for solenoid |
| US11708857B2 (en) | 2018-12-27 | 2023-07-25 | Saint-Gobain Performance Plastics Corporation | Solenoid low friction bearing liner |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202005006296U1 (en) | 2005-07-07 |
| CN101189689B (en) | 2013-11-06 |
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