WO2013034445A1 - Elektromagnetischer antrieb - Google Patents
Elektromagnetischer antrieb Download PDFInfo
- Publication number
- WO2013034445A1 WO2013034445A1 PCT/EP2012/066398 EP2012066398W WO2013034445A1 WO 2013034445 A1 WO2013034445 A1 WO 2013034445A1 EP 2012066398 W EP2012066398 W EP 2012066398W WO 2013034445 A1 WO2013034445 A1 WO 2013034445A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- armature
- yoke
- drive
- permanent magnet
- magnetic
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
-
- 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
- H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
- H01F7/122—Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets
-
- 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
- H01F7/1615—Armatures or stationary parts of magnetic circuit having permanent magnet
-
- 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
- H01F7/1623—Armatures having T-form
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H33/6662—Operating arrangements using bistable electromagnetic actuators, e.g. linear polarised electromagnetic actuators
-
- 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
- H01F7/127—Assembling
Definitions
- Electromagnetic drive The invention relates to an electromagnetic drive for an electrical switch.
- Such a drive is known for example from Offenle ⁇ tion EP 0 321 664.
- This drive has a movable armature, which can perform a lifting movement along a predetermined sliding direction and can be connected to a movable switching contact of a switch.
- Au ⁇ ßerdem includes the drive comprises a permanent magnet which generates a magnetic field as well as a holding force for holding the armature in a predetermined position.
- a coil is arranged such that the drive can be actuated by a current flow and the armature can be moved.
- the invention has for its object to provide a drive that allows subsequent adjustment of the components and a subsequent correction of manufacturing tolerances.
- an electromagnetic drive for an electrical switch in particular an electric power switch, is provided with at least one movable armature which can perform a lifting movement along a predetermined sliding direction, can be connected directly or indirectly to a movable switching contact of the switch and in a closed position Position at a first armature-side abutment surface with a first magnetically conductive yoke part of the drive and at a second armature-side abutment surface with a second magnetically conductive abutment surface.
- the yoke member of the actuator includes a magnetic circuit of the on ⁇ drive, at least one permanent magnet which generates a like ⁇ netic field for the magnetic circuit and a holding ⁇ force for holding the armature in the closed position, and at least one coil arranged in such a way is that by a current flow through the coil, a magnetic flux can be caused, which is equal or opposite to the magnetic flux of the permanent magnet in the magnetic circuit, wherein the electromagnetic drive after he ⁇ subsequent assembly allows a Nachj ustageDirect by a self-justage of the Position of the first and second yoke ⁇ part relative to each other by the magnetic force of Treasuremag ⁇ Neten is possible, and wherein the yoke parts can be brought into a fixed mon ⁇ oriented state by the alignment of the yoke parts is fixed independently of the further positioning of the armature ,
- a significant advantage of the drive according to the invention is that these components produced due to the subsequent self-adjustment facility also having relatively large convinced institutionsto ⁇ tolerances can be mounted very little effort; because the electromagnetic drive can after assembly by the inventively provided may ⁇ genetic Alterj be nachjus ⁇ advantage with regard to the arrangement of the first and second yoke parts with very little effort ustage.
- the readjustment is effected automatically by the magnetic force ⁇ of the permanent magnet such that the first and the second yoke part with an optimal distance from each other are ⁇ out.
- the at least one permanent magnet is preferably such ⁇ is arranged to be adjacent to at least one of the yoke parts of the on ⁇ drive.
- the at least two relative to each other are screwed together corresponds long the sliding direction of the armature displaceable yoke parts, wherein a screw passed through a hole in one of the two yoke members and screwed to the walls of the two yoke parts ⁇ ren.
- the diameter of the hole along the sliding direction of the armature is preferably larger than the diameter of the screw.
- the diameter of the hole along the sliding direction of the anchor is preferably at least 10% larger than the diameter of the screw.
- the hole may, for example, be a slot whose longitudinal direction is aligned along the sliding direction of the anchor.
- the yoke parts and the permanent magnet (s) preferably form a magnetically conductive hollow body with an opening slot through which the armature can dive into the interior region of the hollow body.
- the first armature-side abutment surface is preferably outside of the outer ⁇ side of the hollow body and the second armature-side abutment surface ⁇ inwardly on the inside of the hollow body on.
- the hollow body is tubular or channel-shaped and extends along a longitudinal axis which is aligned perpendicular to the predetermined sliding direction of the armature and the opening slot extends parallel to the longitudinal axis and the armature closes the opening slot.
- the hollow body is at least partially closed at its front and rear ⁇ rear end of the tube or gutter with a sheet, preferably made of magnetically non-conductive material.
- the anchor is preferably a plunger anchor with a T-shaped cross-section.
- the armature is preferably connected to a spring device in the compound which exerts a spring force in the direction open positi ⁇ on the armature, in which the magnetic circuit is opened.
- the invention further relates to a method for mounting an electromagnetic drive for an electrical switch, in particular an electrical circuit breaker.
- a method for mounting an electromagnetic drive for an electrical switch in particular an electrical circuit breaker.
- the drive is brought into the Nachj ustageschreib by a screw connection between at least two relative to each other along the sliding direction of the armature in a predetermined range displaceable yoke parts is released, and after the Edj ustage the yoke parts firmly screwed again become.
- FIG. 1 shows an exemplary embodiment of an arrangement with an electromagnetic drive and an electrical switch which is connected to the electromagnetic drive
- FIG. 2 shows a plunger armature of the electromagnetic drive according to FIG. 1 in an open position in greater detail
- FIG. 3 the plunger anchor according to FIG. 2 in a closed position
- Figure 4 shows a second embodiment of an elekt ⁇ romagnetician drive, wherein the plunger armature for the hollow body into which it is to dip, is slightly too large
- FIG. 5 shows the plunger anchor according to FIG. 4 after a rejuvenation of the drive
- Figure 6 shows an embodiment for an inventive ⁇ SEN electromagnetic drive in a three-dimensional exploded view
- FIG. 7 shows the electromagnetic drive according to FIG.
- FIG. 1 shows an electromagnetic drive 10 for an electrical switch 20, which may, for example, be a circuit breaker.
- the electrical switch 20 comprises a movable switching contact 21 and a stationary switching contact 22.
- the movable switching contact 21 is connected to a drive rod 30 of the electromagnetic drive 10, which cooperates with a spring device 40 of the electromagnetic drive 10.
- a further drive rod 50 to the spring means 40 is au ⁇ ßerdem coupled, which is comparable 10 connected with a plunger 60 of the electromagnetic drive.
- the plunger armature 60 can perform a stroke movement along a predetermined sliding direction P and thereby immerse in a magnetic hollow body 70 of the drive 10.
- FIG. 1 shows the plunger anchor 60 with solid lines in an open position, in which it projects out of the hollow body 70. With dotted lines and with the statisticszei ⁇ chen 61 to the closed position of the plunger is ones shown, in which it is fully inserted into the magnetic hollow body 70.
- the function of the spring means 40 is to push the further drive rod 50 in the figure 1 upwards, so that the plunger armature 60 is acted upon by a spring force, which is to bring him to the open position.
- the switch contact 21 be ⁇ wegliche is in an open position, shown in Figure 1 with solid lines.
- a magnetic force can be generated with which the plunger armature 60 is brought against the spring force of the spring means 40 in its closed position.
- the plunger armature is held by the magnetic hollow body 70 even when no current is passed through the coil 80.
- the magnetic force required by the magnetic hollow body 70 for holding the plunger armature 60 in the closed position is generated by two permanent magnets 90 and 95, which form components of the magneti ⁇ cal hollow body 70.
- two permanent magnets 90 and 95 in addition to the two permanent magnets 90 and 95, in the exemplary embodiment according to FIG.
- the magnetic hollow body 70 comprises five yoke parts, namely a first yoke part 100, a second yoke part 105, a third yoke part 110, a fourth yoke part 115 and a fifth yoke part 120 Arrangement of the five yoke parts 100, 105, 110, 115 and 120 is selected such that the magnetic hollow body 70 forms an opening slot 130, through which the plunger anchor 60, which is substantially T-shaped in cross-section, can dip into the hollow body.
- the five yoke parts 100, 105, 110, 115 and 120 are made of a magnetizable material, such as a ferrous material.
- the plunger has so ⁇ as a second armature-side abutment surface 63, a first armature-side abutment surface 62 60th
- the first armature-side abutment surface 62 lies on the outside 71 of the magnetic hollow body 70 or on the outside of the f th ⁇ yoke 100 and the third yoke member 110th
- the second armature-side abutment surface 63 is in the closed ⁇ position of the plunger armature 60 on the inside 72 of the hollow body 70, on the inside of the second yoke ⁇ part 105, on.
- the plunger armature 60 In the closed position of the plunger armature 60, two magnetic circuits are closed whose magnetic flux is caused by the two permanent magnets 90 and 95.
- the magnetic flux of the first magnetic circuit flows back from the permanent magnet 90 via the fourth yoke part 115, the first yoke part 100, the plunger armature 60 and the second yoke part 105 to the permanent magnet 90.
- the magnetic flux of the second permanent magnet 95 flows via the fifth yoke part 120, the third yoke part 110, the diver anchor 60 and the second yoke part 105.
- the plunger armature 60 By the magnetic force of the two magnetic circuits, the plunger armature 60 is held in its closed position, although the spring force of the spring means 40 wants to bring the plunger armature 60 in the open position.
- the spring force of the spring device 40 is therefore smaller than the magnetic force of the magnetic circuits of the two permanent magnets 90 and 95.
- FIG. 2 again shows the plunger armature 60 again in its open position in a larger view for a better overview. It can be seen that the distance A2 between the first armature-side abutment surface 62 and the second armature-side abutment surface 63 of the distance AI be- seen the outer side of the first yoke 100 and the inner side of the second yoke member in ⁇ 105 corresponds. For this reason, the two magnetic circuits of the two permanent magnets 90 and 95 gap-free, at least approximately gap-free, closed when the plunger armature 60 is fully inserted into the hollow body 70. This is shown in more detail in FIG. 3.
- the difference in length dx can be based on manufacturing tolerances in the production of the yoke parts, in particular of the fourth yoke part 115 and the fifth yoke part 120, or on manufacturing tolerances in the manufacture of the plunger anchor 60.
- the fourth yoke part 115 and the fifth yoke part 120 each have bores 200 and 205, the diameter d of which is slightly larger than the diameter of the associated fastening screws 210 and 215, which are screwed into the first yoke part 100 and the third yoke part 110 and hold the fourth yoke part 115 and the fifth yoke part 120 in a clamping manner.
- Sliding direction of the armature is preferably at least 10% greater than the diameter of the fastening screws 210 and 215.
- the holes 200 and 205 may be beispielswei ⁇ se involve oblong holes whose longitudinal direction is aligned along the sliding direction of the armature.
- the two fastening screws can be 210 and 215 re-tightened so that the position of the first yoke member 100 and that of the third yoke member 110 relative to the fourth yoke 115 and the fifth yoke part 120 is fixed again by clamping.
- the distance between the two armature-side abutment surfaces 62 and 63 the distance between the outside of the two yoke parts 100 and 110 and the inside of the second yoke part 105.
- the mechanical structure of an electromagnetic drive is shown in a three-dimensional exploded view by way of example.
- the first yoke part 100 which is screwed to the fourth yoke part 115 by means of screws which are guided by oversized bores 200.
- the permanent magnet 90 Between the fourth yoke part 115 and the second yoke part 105 is the permanent magnet 90, which is fixed by means of two fastening plates 300 and 305 to the yoke parts.
- the two attachment plates 300 and 305 also fix the other permanent magnet 95, which is positioned between the second yoke part 105 and the fifth yoke part 120.
- the third yoke part 110 is fixed by means of fastening screws, which are guided by oversized bores 205.
- the plunger 60 is formed in the embodiment according to figure 6 by an upper tie plate 64 and a guide plate 65 which are screwed onto a Ankermit ⁇ telteil 66th In the figure 6 can be seen beyond the further drive rod ⁇ 50, which is passed through a bore 105a in the second yoke ⁇ part 105.
- the yoke parts 100, 105, 110, 115 and 120 and the two permanent magnets 90 and 95 form a hollow body which is tubular or channel-shaped and extends along a longitudinal axis L.
- the longitudinal axis L is perpendicular to the predetermined sliding direction P, with the plunger armature 60 performs its lifting movement.
- the front and rear tube ⁇ or gutter end of the tubular or channel-shaped hollow body is in each case closed with a sheet, one of which by way of example one shown in Figure 6 and designated by the reference numeral 310.
- FIG. 7 shows the electromagnetic drive according to FIG. 6 in the mounted state. It can be seen two sheets 310 and 320, which complete the tubular or channel-shaped hollow body 70 at the two pipe or gutter ends. Additionally, one recognizes the further drive rod 50, which is led out of the Hohlkör ⁇ by 70 and can be connected to the spring means 40 ge ⁇ Gurss FIG. 1
- the fourth yoke part 115 and the second yoke part 105, the two attachment plates 300 and 305 ⁇ as the coil 80 can be seen, which can protrude through recesses in the two sheets 310 and 320 from the hollow body 70.
- the fastening screws 210 can be seen, with which the first yoke part is screwed to the fourth yoke part 115 ⁇ ⁇ that an automatic readjustment, as described above, is possible.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnets (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Actuator (AREA)
Abstract
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2847457A CA2847457C (en) | 2011-09-05 | 2012-08-23 | Electromagnetic drive |
AU2012306587A AU2012306587C1 (en) | 2011-09-05 | 2012-08-23 | Electromagnetic drive |
EP20120753691 EP2732455B1 (de) | 2011-09-05 | 2012-08-23 | Elektromagnetischer antrieb |
RU2014112932A RU2608563C2 (ru) | 2011-09-05 | 2012-08-23 | Электромагнитный привод |
US14/342,833 US8975992B2 (en) | 2011-09-05 | 2012-08-23 | Electromagnetic drive |
BR112014004810A BR112014004810B8 (pt) | 2011-09-05 | 2012-08-23 | unidade eletromagnética, e, método de instalação de uma unidade eletromagnética |
CN201280043106.9A CN103782358B (zh) | 2011-09-05 | 2012-08-23 | 电磁驱动器 |
MX2014002610A MX2014002610A (es) | 2011-09-05 | 2012-08-23 | Accionamiento electromagnetico. |
ES12753691.0T ES2538237T3 (es) | 2011-09-05 | 2012-08-23 | Accionamiento electromagnético |
HK14106746.8A HK1193496A1 (zh) | 2011-09-05 | 2014-07-04 | 電磁驅動器 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011082114A DE102011082114B3 (de) | 2011-09-05 | 2011-09-05 | Elektromagnetischer Antrieb |
DE102011082114.7 | 2011-09-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013034445A1 true WO2013034445A1 (de) | 2013-03-14 |
Family
ID=46785387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/066398 WO2013034445A1 (de) | 2011-09-05 | 2012-08-23 | Elektromagnetischer antrieb |
Country Status (13)
Country | Link |
---|---|
US (1) | US8975992B2 (de) |
EP (1) | EP2732455B1 (de) |
CN (1) | CN103782358B (de) |
AU (1) | AU2012306587C1 (de) |
BR (1) | BR112014004810B8 (de) |
CA (1) | CA2847457C (de) |
DE (1) | DE102011082114B3 (de) |
ES (1) | ES2538237T3 (de) |
HK (1) | HK1193496A1 (de) |
MX (1) | MX2014002610A (de) |
PT (1) | PT2732455E (de) |
RU (1) | RU2608563C2 (de) |
WO (1) | WO2013034445A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013013585B4 (de) * | 2013-06-20 | 2020-09-17 | Rhefor Gbr | Selbsthaltemagnet mit besonders kleiner elektrischer Auslöseleistung |
CN107615890A (zh) * | 2015-05-11 | 2018-01-19 | 株式会社荏原制作所 | 电磁铁装置、电磁铁控制装置、电磁铁控制方法及电磁铁系统 |
EP3182436A1 (de) * | 2015-12-18 | 2017-06-21 | ABB Schweiz AG | Mittelspannungsschutzschalter für unterwasseranwendungen |
EP3454456B1 (de) * | 2017-09-08 | 2021-03-10 | Hamilton Sundstrand Corporation | Polstück für torsionsmotor |
CN108242348A (zh) * | 2018-02-23 | 2018-07-03 | 首瑞(天津)电气设备有限公司 | 一种电磁铁 |
US10818460B2 (en) * | 2018-11-14 | 2020-10-27 | S&C Electric Company | Magnetic assembly for generating blow-on contact force |
CN112614746B (zh) * | 2020-12-08 | 2024-04-26 | 东莞市中汇瑞德电子股份有限公司 | 磁保持磁路装置及直流接触器 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6053004A (ja) * | 1983-09-02 | 1985-03-26 | Tomohiko Akuta | 高応答電磁ソレノイド |
EP0321664A2 (de) | 1987-12-23 | 1989-06-28 | Electric Power Research Institute, Inc | Polarisierter Elektromagnet |
EP1225609A2 (de) * | 2001-01-18 | 2002-07-24 | Hitachi, Ltd. | Eletromagnet und Betätigungsmechanik für einen Schalter |
EP1811536A1 (de) * | 2006-01-20 | 2007-07-25 | Areva T&D Sa | Magnetisches Stellglied mit Permanentmagnet mit reduziertem Volumen |
EP1826784A2 (de) * | 2006-02-24 | 2007-08-29 | Kabushiki Kaisha Toshiba | Elektromagnetischer Aktor |
US20090072636A1 (en) * | 2007-04-25 | 2009-03-19 | Saia-Burgess, Inc. | Adjustable mid air gap magnetic latching solenoid |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3563140D1 (en) | 1984-08-20 | 1988-07-07 | Telemecanique Electrique | Polarised electromagnet presenting a symmetric disposition |
JPH0653004A (ja) | 1992-07-30 | 1994-02-25 | Matsushita Electric Ind Co Ltd | 角形チップ抵抗器およびその製造方法 |
RU2074438C1 (ru) * | 1994-10-14 | 1997-02-27 | Всероссийский электротехнический институт им.В.И.Ленина | Электромагнитный привод выключателей |
DE19637077A1 (de) * | 1996-09-12 | 1998-03-19 | Maier & Cie C | Permanentmagnet für den magnetischen Kreis eines vorzugsweise in einem Fehlerstromschutzschalter einsetzbaren Magnetauslösers |
DE102004034296B3 (de) * | 2004-07-06 | 2005-06-23 | Saia-Burgess Dresden Gmbh | Elektromagnetischer Aktuator |
DE102007038165B4 (de) * | 2007-08-13 | 2011-06-09 | Siemens Ag | Elektromagnetischer Aktor |
-
2011
- 2011-09-05 DE DE102011082114A patent/DE102011082114B3/de not_active Expired - Fee Related
-
2012
- 2012-08-23 EP EP20120753691 patent/EP2732455B1/de active Active
- 2012-08-23 CA CA2847457A patent/CA2847457C/en active Active
- 2012-08-23 BR BR112014004810A patent/BR112014004810B8/pt active IP Right Grant
- 2012-08-23 US US14/342,833 patent/US8975992B2/en active Active
- 2012-08-23 CN CN201280043106.9A patent/CN103782358B/zh active Active
- 2012-08-23 RU RU2014112932A patent/RU2608563C2/ru active
- 2012-08-23 PT PT127536910T patent/PT2732455E/pt unknown
- 2012-08-23 MX MX2014002610A patent/MX2014002610A/es active IP Right Grant
- 2012-08-23 WO PCT/EP2012/066398 patent/WO2013034445A1/de active Application Filing
- 2012-08-23 ES ES12753691.0T patent/ES2538237T3/es active Active
- 2012-08-23 AU AU2012306587A patent/AU2012306587C1/en active Active
-
2014
- 2014-07-04 HK HK14106746.8A patent/HK1193496A1/zh unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6053004A (ja) * | 1983-09-02 | 1985-03-26 | Tomohiko Akuta | 高応答電磁ソレノイド |
EP0321664A2 (de) | 1987-12-23 | 1989-06-28 | Electric Power Research Institute, Inc | Polarisierter Elektromagnet |
EP1225609A2 (de) * | 2001-01-18 | 2002-07-24 | Hitachi, Ltd. | Eletromagnet und Betätigungsmechanik für einen Schalter |
EP1811536A1 (de) * | 2006-01-20 | 2007-07-25 | Areva T&D Sa | Magnetisches Stellglied mit Permanentmagnet mit reduziertem Volumen |
EP1826784A2 (de) * | 2006-02-24 | 2007-08-29 | Kabushiki Kaisha Toshiba | Elektromagnetischer Aktor |
US20090072636A1 (en) * | 2007-04-25 | 2009-03-19 | Saia-Burgess, Inc. | Adjustable mid air gap magnetic latching solenoid |
Also Published As
Publication number | Publication date |
---|---|
US20140210576A1 (en) | 2014-07-31 |
CA2847457C (en) | 2020-07-28 |
PT2732455E (pt) | 2015-09-11 |
MX2014002610A (es) | 2014-04-14 |
EP2732455A1 (de) | 2014-05-21 |
HK1193496A1 (zh) | 2014-09-19 |
CA2847457A1 (en) | 2013-03-14 |
CN103782358A (zh) | 2014-05-07 |
EP2732455B1 (de) | 2015-05-20 |
RU2014112932A (ru) | 2015-10-20 |
RU2608563C2 (ru) | 2017-01-23 |
BR112014004810B1 (pt) | 2021-01-05 |
CN103782358B (zh) | 2016-10-12 |
BR112014004810B8 (pt) | 2021-04-13 |
US8975992B2 (en) | 2015-03-10 |
BR112014004810A2 (pt) | 2017-03-21 |
ES2538237T3 (es) | 2015-06-18 |
AU2012306587A1 (en) | 2014-03-06 |
AU2012306587B2 (en) | 2016-07-28 |
AU2012306587C1 (en) | 2017-02-02 |
DE102011082114B3 (de) | 2013-01-31 |
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