EP1139367A1 - Unterbrechungseinheit mit Vakuumrohr und Befestigungsmitteln sowie eine solche Einheit benutzende Schaltanlage - Google Patents

Unterbrechungseinheit mit Vakuumrohr und Befestigungsmitteln sowie eine solche Einheit benutzende Schaltanlage Download PDF

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Publication number
EP1139367A1
EP1139367A1 EP01410018A EP01410018A EP1139367A1 EP 1139367 A1 EP1139367 A1 EP 1139367A1 EP 01410018 A EP01410018 A EP 01410018A EP 01410018 A EP01410018 A EP 01410018A EP 1139367 A1 EP1139367 A1 EP 1139367A1
Authority
EP
European Patent Office
Prior art keywords
bulb
rod
collar
cut
module according
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
Application number
EP01410018A
Other languages
English (en)
French (fr)
Other versions
EP1139367B1 (de
Inventor
Reynald Marin-Pache
Thierry Milan
Denis Milan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP1139367A1 publication Critical patent/EP1139367A1/de
Application granted granted Critical
Publication of EP1139367B1 publication Critical patent/EP1139367B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5822—Flexible connections between movable contact and terminal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5822—Flexible connections between movable contact and terminal
    • H01H2001/5827—Laminated connections, i.e. the flexible conductor is composed of a plurality of thin flexible conducting layers
    • 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
    • H01H33/6606—Terminal arrangements
    • H01H2033/6613—Cooling arrangements directly associated with the terminal 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
    • H01H2033/6665—Details concerning the mounting or supporting of the individual vacuum bottles
    • 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
    • H01H2033/6667—Details concerning lever type driving rod 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
    • H01H33/6606—Terminal arrangements

Definitions

  • the invention relates to a module for an electrical switchgear, comprising a vacuum interrupter and means for fixing the ampoule to a frame support. It also relates to an apparatus comprising at least one such module.
  • a vacuum interrupter comprises a body forming a sealed enclosure and containing a separable pair of contacts, with at least one movable contact.
  • the contact mobile is integral with a metal rod mobile in translation parallel to its axis and protruding at a first axial end of the bulb.
  • a seal is made between the rod and a wall of the enclosure, by means of a bellows allowing the translational movement of the rod.
  • This rod is intended to be connected to a mechanism bulb drive.
  • the other contact is generally a fixed contact integral with a fixed rod which crosses the body of the bulb, so as to be accessible from the outside at a second axial end of the bulb, opposite the first.
  • the movable rod is guided in its axial movement relative to the bulb by means of a guide sleeve integral with the bulb body and projecting inwardly from the bulb.
  • a guide sleeve integral with the bulb body and projecting inwardly from the bulb.
  • a three-phase electrical switchgear each phase of which includes a vacuum interrupter of the type described above, supported by a rigid frame made of insulating material.
  • the body of the bulb On the side of the first axial end, the body of the bulb is fixed to the frame by means of a support plate provided with a bore at the diameter of the first axial end, and forming a seat for the body of the bulb.
  • the body of the bulb On the side of the second axial end, the body of the bulb is fixed to the frame by via a rod fixing nut fixed to an electrical connection area integral with the frame. There is no interaction between the support plate and the rod.
  • the binding hooping operation necessarily takes place after the bulb has been mounted on the support plate, since the hooped connection is too bulky to pass through the bore of the support plate.
  • the positioning of the bulb on its frame must be carried out with precision, so as not to not stress the rod of the movable contact outside its axis of translation determined by the guide sleeve internal to the bulb.
  • An object of the invention is to facilitate the mounting of electrical equipment for vacuum interrupter, and in particular of the interrupt module constituted by the ampoule and its support frame.
  • the collar allows both the guidance of the rod relative to the bulb and the fixing of the bulb relative to the frame.
  • the dimension chain is reduced, resulting in greater guiding precision, ensured at low cost.
  • the frame is provided with guide rails and the collar is shaped as drawer so as to slide in said guide rails, in a direction perpendicular to the geometric axis of light. It is then possible to assemble the bulb and its collar, before inserting the assembly into the frame, by sliding the collar in the slides.
  • the fixing means comprise elastic staples forming a fixing by clips. This method of fastening with staples makes particularly simple assembly.
  • the staples are preferably located on the collar, and cooperate with supports located on the frame.
  • the collar is composed of two pieces capable of taking one relative to the other an open position allowing the radial insertion of the bulb stem and a closed position ensuring the cooperation of the radial positioning surfaces with the body of the bulb, and light with the stem.
  • This particularly advantageous arrangement allows the flexible conductor to be mounted on the bulb rod before mount the collar to fix the bulb in its frame.
  • the two pieces of the necklace are hinged to each other by a hinge.
  • the two pieces of the collar in the closed position are fixed to each other by means of fixation.
  • the collar is provided with an axial positioning surface constituting a seat for an axial end section of the bulb body.
  • the positioning of necklace is simplified.
  • the collar is made of plastic. It can be for example of a polyamide 6-6.
  • the module comprises a single vacuum interrupter.
  • an apparatus electric cut-off comprising at least one module as described above, and a mechanism for driving the rod of said module.
  • a switchgear includes a vacuum interrupter 10 supported by a frame 12 and driven by a mechanism 13 of conventional type. Of them connection pads 14 and 16, fixed to the frame 12, are intended to connect electrically the switchgear to a busbar (not shown).
  • vacuum bulb denotes a set of known type here, comprising a cylindrical body 17 forming an enclosure 18 where a relative vacuum prevails and which contains a pair of separable contacts 22, 24.
  • the body 17 is itself divided into a middle insulator section 19 made of insulating material, a first end section 20 metal constituting a first closing flange, and a second section metal end 21 constituting a second closing flange.
  • One of the contacts is a patch 22 brazed at the end of a conductive cylinder 26 and constitutes with this cylinder a fixed contact member 28.
  • the cylinder 26 passes through the second flange 21 and is soldered to it.
  • the cylinder 26 is also welded to a rigid metal turn 29, itself welded to the connection pad 14.
  • the turn 29 is intended to induce, in the separation zone of the contacts 22, 24, a magnetic field conducive to breaking an incipient electric arc between the contacts during their separation. Screws secure the turn 29 to the frame 12, and therefore the rigid attachment between the cylinder 26, itself integral with the body 17 of the bulb, and the frame 12. Furthermore, and as will be explained below in detail, the first flange 20 is positioned and maintained relative to the frame 12 by means of a fixing collar 100 retained in a groove 130 of the frame.
  • Contact 24 is a patch brazed to the end of a movable contact member 30, the body is constituted by a metallic conductive rod 32, in this case a rod copper, passing through an orifice of the first flange 20.
  • This rod 32 extends outside of the enclosure, as can be seen more clearly in FIG. 5, by a part 36 more small diameter, thus defining an intermediate shoulder 38.
  • the end of the rod is provided with an axial threaded hole 39.
  • a sealing bellows 40 brazed on the rod 32 and on the inner wall of the first end section, allows an axial movement of translation of the movable member 30 relative to the fixed contact member 28, while preserving the vacuum reigning in enclosure 18.
  • the rod 32 is connected to a lever 80 with two parallel arms 81, 82, by means of a insulating arm 42.
  • the insulating arm 42 comprises a plastic body 43 overmolding on the one hand the head of a first threaded rod 44, and on the other hand the head of a second rod threaded 45 located in the axial extension of the first.
  • the first threaded rod 44 is screwed into the tapped blind hole 39 located at the end of the rod 32 of the bulb.
  • On the second threaded rod 45 is screwed a tubular adjusting nut 46.
  • the nut supports a end a support plate 47 for the end of a contact pressure spring 48.
  • the other end of the spring 48 bears on a second plate 49, which rests on a bar 83.
  • the bar 83 has a bore 84 forming a guide sleeve traversed by the tubular nut 46.
  • the bar 83 swivels freely in lateral axes 85 supported by the arms 81, 82 of the lever 80.
  • the guide sleeve 84 allows both the translation of the nut 46 parallel to its axis and its free rotation.
  • Nut 46 has a shoulder which comes to rest on the part of the bar 83 opposite the second plate 49.
  • the two arms 81, 82 of the lever 80 pivot around an axis 86 supported by the frame 12 and are actuated jointly at their free end by a closing mechanism and opening (not shown), this mechanism being intended to drive the contact member movable 30 between a position of contact with the fixed contact member 28 and a position of separation.
  • a closing mechanism and opening (not shown)
  • this mechanism being intended to drive the contact member movable 30 between a position of contact with the fixed contact member 28 and a position of separation.
  • opening the lever 80 pivots counter-clockwise shows around the axis 86 in FIG. 2, directly driving the bar 83, the nut 46, the arm 42 and the movable contact member 30.
  • the lever 80 pivots in the direction clockwise around the axis 86, driving the bar 83 which compresses the spring 48 via the plate 49.
  • the closing force is then transmitted by the spring 48 to the movable contact 30, via a transmission chain comprising the plate 47, the nut 46 and the insulating arm 42.
  • connection flexible electric 50 shown schematically in Figure 3, one of which end 56 constitutes the connection pad 16, while the other end 58 is brazed to the body of the rod 32.
  • the flexible connection 50 is constituted by a stack of metal blades 52, in this case copper blades.
  • Each metal blade 52 has a curved middle portion 54 extended at each end by one of the portions end planes 56, 58.
  • the blades 52 have different lengths and shapes, from so as to form together a stack having the desired curved shape at the middle part 54.
  • the blades 52 are welded together to others by an atomic diffusion welding process, without adding material, so that each end constitutes a rigid monobloc part.
  • the blades 52 remain separated from each other, which gives good flexibility to the electrical connection 50 thus formed.
  • the part end 56 constituting the connection pad comprises fixing means 60, in this case tapped through holes, allowing its attachment to the frame of the apparatus, and connection means 62, in this case other tapped holes, allowing its connection to a busbar.
  • the other end portion 58 has a bore 64 corresponding to the diameter of the axis of the rod 36.
  • the collar 100 is made of plastic, in this case a polyamide 6-6, and comprises two parts 101, 102 hinged together by a hinge 103, so that it can take an open mounting position shown in Figure 4, as well as a closed position shown in Figure 2, in which elastic hooks 104 are stapled in lights 106 corresponding.
  • the closed collar forms a flange having a flat bottom 107 and a wall peripheral cylindrical 108, allowing the end of the first flange 20 to be fitted therein the bulb 10.
  • the central part of the flat bottom includes a light 120 allowing the passage of the rod 32 of the bulb. This light, of generally cylindrical shape, ensures the guide of the rod 32.
  • the collar 100 is provided with two main lateral rails 109, connected to the flat bottom 107 by two lateral tabs 110, and two auxiliary lateral rails 112 connected to the flat bottom 107 by two other lateral tabs 114.
  • Each auxiliary rail 112 is in the extension of one of the main rails 109.
  • Each main rail 109 forms an abutment 116 in a front portion, and in a portion rear elastic clip 118.
  • the insulating section 19 of the body 17 of the bulb is covered with an insulating sleeve 90 (figure 2) fitted with fins intended to lengthen the line of flight between the metal parts switchgear energized.
  • the sleeve 90 widens in its upper part and forms a lip 92 which covers part of the turn 29, so as to lengthen the distance between metal parts under tension.
  • An intermediate bead 94 the internal surface of which is covered with a semiconductor paint, smooths the field lines at vicinity of the edges of the turn 29.
  • the plastic body 43 of the insulating arm 42 forms a cylindrical skirt which protects the spring 48 and the threaded rod 45 and which thus provides electrical insulation between the rod 32 and the flexible connection 50 on the one hand, and the mechanism on the other hand.
  • the assembly of the bulb 10 in the frame 12 is done as follows.
  • the cylinder 26 is welded to the subassembly consisting of the coil 29 and the connection pad 14.
  • the insulating sleeve 90 is then force fitted onto the body 17 of the bulb and on the turn 29.
  • the bulb 10 must then be equipped with its electrical connection 50.
  • the axis 36 of the rod 32 is inserted in bore 64, with the interposition of a washer of metallic compound filler 68, according to the exploded diagram of FIG. 3.
  • the metallic filler compound must have a relatively low melting temperature, preferably less than 700 ° C, so as not to damage the internal soldering of the bulb. In this case, it is in this example a compound of 56% silver, 22% copper, 17% zinc and 5% of tin, whose melting point is of the order of 650 ° C.
  • a heat source 70 shown diagrammatically in FIG.
  • the initial clearance between the parts namely between the bore and the axis, must be chosen adequately on the one hand to favor, during the soldering, wetting the surfaces to be joined, and secondly to ensure resistance mechanical of the brazed joint under the later conditions of use.
  • the brazed joint 72 obtained reveals on the one hand a cylindrical interface zone 74 between the axis and the bore, and on the other hand an annular interface zone 76 between the upper edge of the bore 64 and the shoulder 38 of the rod.
  • the rod 32 is introduced radially into the collar 100 open, then the collar 100 is closed so as to encircle the end of the first flange 20 of the body 17 of the bulb as well as the rod 32, the elastic hooks 104 coming staple in corresponding lights 106.
  • the assembly thus constituted is then introduced laterally into the frame 12, the rails 109 being introduced into the grooves lateral 130, and forming with these a slide guide.
  • the necklace then forms a drawer which slides in the grooves 130 until the stops 116 meet corresponding surfaces of the frame, the staples 118 then closing on surfaces 132 corresponding support of the frame. It then remains to screw to the frame 12 the connection pads 14, 16 as well as the coil 29, to screw the insulating arm into the threaded hole of the rod and adjust the contact pressure using of the adjusting nut.
  • the sub-assembly thus formed forms a module which it is possible to assemble and to test. in the factory, before storing it independently of mechanism 13.
  • the final assembly of the equipment can be postponed.
  • the modules make it possible to build devices differing from each other by the number of poles arranged side by side.
  • the slide guide can be reversed, so that rails formed on the frame cooperate with grooves formed at the periphery of the collar.
  • the method of fixing by elastic staples can be replaced by any other suitable fixing method.
  • the hinge can be omitted, so that the necklace consists of two completely separate parts each other in the open position. Other modifications are possible.
  • the sleeve can be omitted if the applied voltage allows.
  • the transmission lever can be arranged so that its pivot is between the free end moved by the mechanism and the bar.
  • the apparatus can be monopolar or multipolar.
  • the frame can be common to the different poles arranged side by side.
  • the mechanism can be of any known type allowing the lever 80 to be driven: electromagnet, pole shaft mechanism.
  • the switchgear can be of any type, for example: switch, circuit breaker, with or without sectioning characteristics.
  • the vacuum interrupter can have two movable contact members.

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Manufacture Of Switches (AREA)
EP01410018A 2000-03-31 2001-02-15 Unterbrechungseinheit mit Vakuumrohr und Befestigungsmitteln sowie eine solche Einheit benutzende Schaltanlage Expired - Lifetime EP1139367B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0004166 2000-03-31
FR0004166A FR2807203B1 (fr) 2000-03-31 2000-03-31 Module de coupure comportant une ampoule a vide et des moyens de fixation, et appareillage electrique de coupure comportant un tel module

Publications (2)

Publication Number Publication Date
EP1139367A1 true EP1139367A1 (de) 2001-10-04
EP1139367B1 EP1139367B1 (de) 2009-07-01

Family

ID=8848754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01410018A Expired - Lifetime EP1139367B1 (de) 2000-03-31 2001-02-15 Unterbrechungseinheit mit Vakuumrohr und Befestigungsmitteln sowie eine solche Einheit benutzende Schaltanlage

Country Status (10)

Country Link
US (1) US6410874B2 (de)
EP (1) EP1139367B1 (de)
CN (1) CN1175449C (de)
BR (1) BR0101238A (de)
DE (1) DE60139098D1 (de)
EA (1) EA003568B1 (de)
FR (1) FR2807203B1 (de)
MY (1) MY117438A (de)
PL (1) PL197701B1 (de)
TW (1) TW512564B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3300097A1 (de) * 2016-09-23 2018-03-28 Schneider Electric Industries SAS Einschaltsystem einer vakuumröhre
WO2018197196A1 (de) * 2017-04-26 2018-11-01 Siemens Aktiengesellschaft Vakuumschalter

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PT1913619E (pt) 2005-08-10 2013-11-04 Siemens Ag Polo de comutador com armação de suporte com meios de bloqueio
EP1913620B1 (de) * 2005-08-10 2013-11-13 Siemens Aktiengesellschaft Haltevorrichtung mit feldsteuereigenschaften
JP4946920B2 (ja) * 2008-03-03 2012-06-06 三菱電機株式会社 真空開閉器
JP5340043B2 (ja) * 2009-06-08 2013-11-13 三菱電機株式会社 遮断器
CN101894704B (zh) * 2010-04-19 2013-06-19 宏秀电气有限公司 一种高压真空断路器
US9070517B2 (en) * 2012-08-13 2015-06-30 Electro-Mechanical Corporation Vacuum interrupter and linear disconnect switch
US10978256B1 (en) 2013-03-15 2021-04-13 Innovative Switchgear IP, LLC Electrical switching device
DE102013216018B4 (de) * 2013-08-13 2021-06-02 Siemens Aktiengesellschaft Vorrichtung zur Übertragung von Kräften
US10714275B2 (en) * 2018-04-17 2020-07-14 Eaton Intelligent Power Limited Illuminated visible break
FR3089342B1 (fr) * 2018-12-04 2021-09-17 Schneider Electric Ind Sas Système d'actionnement pour une ampoule à vide
PH12021552689A1 (en) 2019-04-26 2022-03-14 G & W Electric Switchgear with overmolded dielectric material
WO2020219905A1 (en) 2019-04-26 2020-10-29 G & W Electric Company Switchgear with manual trip assembly and mechanical interlock
US12112906B2 (en) 2019-04-26 2024-10-08 G & W Electric Company Integrated switchgear assembly
US12266490B2 (en) 2019-04-26 2025-04-01 G & W Electric Company Modular recloser
CN115719691B (zh) * 2022-11-08 2026-02-06 平高电气智慧开关装备(河南)有限公司 一种开关驱动机构支撑装置及包含该装置的gis
EP4589621A1 (de) * 2024-01-17 2025-07-23 Schneider Electric Industries Sas Führungsteile für vakuumschutzschalter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0054671A2 (de) * 1980-12-22 1982-06-30 Siemens Aktiengesellschaft Vakuumschalter
EP0058519A2 (de) * 1981-02-12 1982-08-25 Westinghouse Electric Corporation Elektrische Verbindung hoher Leitfähigkeit für einen Schalter oder andere elektrische Apparate
US4527028A (en) * 1984-06-27 1985-07-02 Joslyn Mfg. And Supply Co. Modular vacuum interrupter
US4933518A (en) * 1988-10-03 1990-06-12 Square D Company Vacuum interrupter
US5864108A (en) * 1994-05-30 1999-01-26 Siemens Aktiengesellschaft Vacuum switch assembly including housing insulating support

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56109416A (en) * 1980-02-04 1981-08-29 Meidensha Electric Mfg Co Ltd Vacuum switching device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0054671A2 (de) * 1980-12-22 1982-06-30 Siemens Aktiengesellschaft Vakuumschalter
EP0058519A2 (de) * 1981-02-12 1982-08-25 Westinghouse Electric Corporation Elektrische Verbindung hoher Leitfähigkeit für einen Schalter oder andere elektrische Apparate
US4527028A (en) * 1984-06-27 1985-07-02 Joslyn Mfg. And Supply Co. Modular vacuum interrupter
US4933518A (en) * 1988-10-03 1990-06-12 Square D Company Vacuum interrupter
US5864108A (en) * 1994-05-30 1999-01-26 Siemens Aktiengesellschaft Vacuum switch assembly including housing insulating support

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3300097A1 (de) * 2016-09-23 2018-03-28 Schneider Electric Industries SAS Einschaltsystem einer vakuumröhre
FR3056823A1 (fr) * 2016-09-23 2018-03-30 Schneider Electric Ind Sas Systeme d'actionnement d'une ampoule a vide
US10217581B2 (en) 2016-09-23 2019-02-26 Schneider Electric Industries Sas Actuation system of a vacuum bottle
WO2018197196A1 (de) * 2017-04-26 2018-11-01 Siemens Aktiengesellschaft Vakuumschalter

Also Published As

Publication number Publication date
EA003568B1 (ru) 2003-06-26
TW512564B (en) 2002-12-01
DE60139098D1 (de) 2009-08-13
MY117438A (en) 2004-06-30
EP1139367B1 (de) 2009-07-01
CN1175449C (zh) 2004-11-10
CN1319863A (zh) 2001-10-31
EA200100307A3 (ru) 2001-12-24
EA200100307A2 (ru) 2001-10-22
BR0101238A (pt) 2001-11-06
PL197701B1 (pl) 2008-04-30
PL346748A1 (en) 2001-10-08
FR2807203A1 (fr) 2001-10-05
US20010025829A1 (en) 2001-10-04
FR2807203B1 (fr) 2002-05-24
US6410874B2 (en) 2002-06-25

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