EP0148111B1 - Elektro-dynamisch öffnendes Kontaktsystem - Google Patents

Elektro-dynamisch öffnendes Kontaktsystem Download PDF

Info

Publication number
EP0148111B1
EP0148111B1 EP84730132A EP84730132A EP0148111B1 EP 0148111 B1 EP0148111 B1 EP 0148111B1 EP 84730132 A EP84730132 A EP 84730132A EP 84730132 A EP84730132 A EP 84730132A EP 0148111 B1 EP0148111 B1 EP 0148111B1
Authority
EP
European Patent Office
Prior art keywords
contact
spring arrangement
guide
rotatable
contact part
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.)
Expired
Application number
EP84730132A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0148111A2 (de
EP0148111A3 (en
Inventor
Bernhard Preuss
Karl-Heinz Manthe
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0148111A2 publication Critical patent/EP0148111A2/de
Publication of EP0148111A3 publication Critical patent/EP0148111A3/de
Application granted granted Critical
Publication of EP0148111B1 publication Critical patent/EP0148111B1/de
Expired legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
    • H01H77/102—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement
    • H01H77/104—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement with a stable blow-off position

Definitions

  • the invention relates to an electro-dynamically opening contact system with a fixed contact part and a contact part rotatably arranged about an axis of rotation and with a prestressed spring arrangement which is held stationary at one end and engages the rotatable contact part at its other end in such a way that the spring arrangement causes a contact pressure when the contact is closed and generates a torque when the contact is open.
  • Such an electrodynamically opening contact system known from DE-C-1 079176 has a spring arrangement with two pretensioned tension springs arranged in parallel. These are held stationary at their respective ends and are suspended at their respective other ends on a bolt which transversely penetrates the rotatable contact part.
  • the two tension springs When the contact is closed, the two tension springs generate a contact force via the rotatable contact part.
  • the rotatable contact part As soon as an overcurrent flows through the closed contact system, the rotatable contact part is thrown away from the stationary contact part by the action of electro-dynamic force against the contact force applied by the spring arrangement.
  • With a predetermined opening angle between the fixed and the rotatable contact part the direction of the torque exerted by the spring arrangement on the rotatable contact part reverses, so that the spring arrangement now accelerates the further opening of the contact.
  • the invention has for its object to provide an electro-dynamically opening contact system that has a relatively high contact force in the closed state and opens particularly quickly and safely when an overcurrent occurs.
  • the rotatable contact part has a guide extending transversely to its axis of rotation, that the spring arrangement is oriented so that when the contact is closed, its line of action runs approximately at right angles to the guide and that other end of the spring arrangement is slidably mounted along this guide.
  • a major advantage of the contact system according to the invention is that when the contact is closed, because of the approximately vertical action of the spring force on the guide of the movable contact part, the force component of the spring arrangement effective for generating the contract pressure and thus the contact force is particularly large.
  • Another advantage of the contact system according to the invention results from the displaceable arrangement of the point of application of the spring arrangement on the rotatable contact part, because as a result the spring arrangement in the event of an overcurrent accelerates the further opening of the contact even after the contact has been opened only slightly by electro-dynamic forces.
  • the guide can have such a contour that the torque exerted by the spring arrangement on the movable contact part during the opening of the contact takes on optimal values depending on the opening angle with regard to a higher opening speed.
  • the spring arrangement has a roller at one end which runs along the guide. It is thereby achieved that the other end of the spring arrangement moves with particularly little friction along the guide of the rotatable contact part during the opening of the contact, so that the opening process takes place particularly quickly and safely.
  • the guide has two stops for the end positions of the other end of the spring arrangement. These stops ensure that both the opening and the closing of the contact move the other end of the spring arrangement in the guide against the respective stop, so that the rotatable contact part cannot carry out any oscillating movements after the opening or closing process has ended. In this way, bouncing phenomena are prevented when the contact system is actuated.
  • a particularly simple construction of the contact system according to the invention is achieved in that the guide is formed by a recess in the rotatably arranged contact part and in that the ends of the recess represent the stops of the guide.
  • a particularly compact structure of the contact system according to the invention can be achieved in that the spring arrangement consists of two tension springs which are arranged on both sides of the rotatable contact part.
  • the contact system shown in Figures 1 to 3 has a U-shaped angled fixed contact part 1 and a further rotatable contact part 2, which is mounted in a housing part 3 or a switching shaft part of the circuit breaker about an axis of rotation 4.
  • the contact system further includes a spring arrangement 5, consisting of two preloaded tension springs 6 and 7, which are arranged parallel to each other on both sides of the rotatable contact part 2.
  • the two tension springs 6 and 7 are each fixed at one end 6a to a bolt 8 which penetrates the housing 3 transversely.
  • the two tension springs 6 and 7 engage on the axis of a roller 9 which runs in a guide 10 of the rotatable contact part 2 transversely to its axis of rotation 4.
  • the guide 10 is formed by a recess in the rotatable contact part 2, the ends of the recess forming two stops 11 and 12 for the end positions of the other end 6b and 7b of the spring arrangement 5 with the roller 9.
  • the roller 9 When the contact is closed, the roller 9 lies in the guide 10 on the stop 11 and transmits the spring force of the spring arrangement to the movable contact part 2 such that it is pressed against the fixed contact part 1 with a predetermined contact pressure.
  • the rotatable contact part 2 and one leg of the U-shaped fixed contact part 1 are parallel to one another and form a current loop. As soon as the current in this current loop exceeds a predetermined value, electro-dynamic forces acting on the rotatable contact part 2 counteracting the contact pressure or the force of the spring arrangement 5, which lift the rotatable contact part 2 from the fixed contact part 1.
  • the roller 9 moves in the guide 10 from its position on the stop 11 in the direction of the stop 12.
  • the respective position of the roller 9 as a function of the opening angle between the fixed contact part 1 and the rotating contact part 2 is determined in that the spring arrangement 5 strives to apply the lowest possible spring force, so that the line of action of the spring force applied by the spring arrangement 5 is always perpendicular to the direction of freedom of movement of the roller 9 in the guide 10.
  • the line of action of the spring force moves through the axis of rotation 4 of the rotatable contact part 2, the torque exerted by the spring arrangement 5 on the rotatable contact part 2 reversing its direction.
  • the spring arrangement 5 therefore causes the contact to open further with its spring force until the movable contact part 2 strikes a stop device 13.
  • the exemplary embodiment of the contact system according to the invention shown in FIGS. 4 and 5, like the exemplary embodiment described above, has a fixed contact part 20 and a contact part 23 which can be rotated about an axis of rotation 22 in a housing part 21 or in a switching shaft.
  • the rotatable contact part 23 contains a recess which represents a guide 24 and the ends of which form two stops 25 and 26 of the guide 24.
  • the contact system shown also has a prestressed spring arrangement 27 which contains two pots 28 and 29 which can be displaced telescopically relative to one another, between which a compression spring 30 is arranged.
  • the spring arrangement 27 is rotatably supported at one end about an axis 31 which extends through the housing part 21; at its other end, the spring arrangement 27 engages a roller 32 which runs in the guide 24 of the rotatable contact part 23 transversely to its axis of rotation 22.
  • the roller 32 When the contact is closed, the roller 32 lies on the first stop 25, the line of action 33 of the force of the spring arrangement 27 and the guide 24 enclosing an angle 34 which is slightly less than 90 °.
  • the roller 32 transmits the spring force of the spring arrangement 27 to the rotatable contact part 23 and presses it against the fixed contact part 20 with a predetermined contact pressure.
  • the rotatable contact part 23 In the event of an overcurrent, the rotatable contact part 23 is moved away from the fixed contact part 20 by the electro-dynamic forces that occur, the angle between the direction of the force applied by the spring assembly 27 and the guide 24 increases. As soon as this angle becomes greater than 90 °, the compression spring 30 of the spring arrangement 27 can relax suddenly, the roller 32 being moved along the guide 24 up to the second stop 26.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Contacts (AREA)
  • Mechanisms For Operating Contacts (AREA)
EP84730132A 1983-12-22 1984-12-04 Elektro-dynamisch öffnendes Kontaktsystem Expired EP0148111B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833347120 DE3347120A1 (de) 1983-12-22 1983-12-22 Elektro-dynamisch oeffnendes kontaktsystem
DE3347120 1983-12-22

Publications (3)

Publication Number Publication Date
EP0148111A2 EP0148111A2 (de) 1985-07-10
EP0148111A3 EP0148111A3 (en) 1985-08-07
EP0148111B1 true EP0148111B1 (de) 1987-03-04

Family

ID=6218180

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84730132A Expired EP0148111B1 (de) 1983-12-22 1984-12-04 Elektro-dynamisch öffnendes Kontaktsystem

Country Status (4)

Country Link
US (1) US4562419A (enrdf_load_stackoverflow)
EP (1) EP0148111B1 (enrdf_load_stackoverflow)
JP (1) JPS60157115A (enrdf_load_stackoverflow)
DE (2) DE3347120A1 (enrdf_load_stackoverflow)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4608545A (en) * 1985-09-24 1986-08-26 Siemens-Allis, Inc. Movable contact arm assembly for a current limiting circuit breaker
JP2520457Y2 (ja) * 1986-09-09 1996-12-18 三菱電機株式会社 回路しや断器
DE3708807A1 (de) * 1987-03-18 1988-10-06 Licentia Gmbh Elektrischer leistungsschalter mit einem elektro-dynamisch oeffnenden kontaktsystem
DE3736013A1 (de) * 1987-10-23 1989-05-11 Kloeckner Moeller Elektrizit Kontaktsystem fuer einen leistungsschalter
FR2734800B1 (fr) * 1995-06-01 1997-08-01 Snef Cote D Azur Sa Convoyeur pneumatique pour petites pieces metalliques, notamment des pieces de monnaie, pour bornes d'encaissement
IT1292453B1 (it) 1997-07-02 1999-02-08 Aeg Niederspannungstech Gmbh Gruppo rotante di contatti per interrutttori di alta portata
DE19819242B4 (de) * 1998-04-29 2005-11-10 Ge Power Controls Polska Sp.Z.O.O. Thermomagnetischer Leistungsschalter
US6114641A (en) * 1998-05-29 2000-09-05 General Electric Company Rotary contact assembly for high ampere-rated circuit breakers
US6084489A (en) * 1998-09-08 2000-07-04 General Electric Company Circuit breaker rotary contact assembly locking system
US6087913A (en) * 1998-11-20 2000-07-11 General Electric Company Circuit breaker mechanism for a rotary contact system
US6037555A (en) * 1999-01-05 2000-03-14 General Electric Company Rotary contact circuit breaker venting arrangement including current transformer
US6166344A (en) * 1999-03-23 2000-12-26 General Electric Company Circuit breaker handle block
US6262872B1 (en) 1999-06-03 2001-07-17 General Electric Company Electronic trip unit with user-adjustable sensitivity to current spikes
US6268991B1 (en) 1999-06-25 2001-07-31 General Electric Company Method and arrangement for customizing electronic circuit interrupters
US6218917B1 (en) 1999-07-02 2001-04-17 General Electric Company Method and arrangement for calibration of circuit breaker thermal trip unit
US6188036B1 (en) 1999-08-03 2001-02-13 General Electric Company Bottom vented circuit breaker capable of top down assembly onto equipment
US6252365B1 (en) 1999-08-17 2001-06-26 General Electric Company Breaker/starter with auto-configurable trip unit
US6710988B1 (en) 1999-08-17 2004-03-23 General Electric Company Small-sized industrial rated electric motor starter switch unit
US6396369B1 (en) 1999-08-27 2002-05-28 General Electric Company Rotary contact assembly for high ampere-rated circuit breakers
US6175288B1 (en) 1999-08-27 2001-01-16 General Electric Company Supplemental trip unit for rotary circuit interrupters
US6232570B1 (en) 1999-09-16 2001-05-15 General Electric Company Arcing contact arrangement
US6326869B1 (en) 1999-09-23 2001-12-04 General Electric Company Clapper armature system for a circuit breaker
US6239395B1 (en) 1999-10-14 2001-05-29 General Electric Company Auxiliary position switch assembly for a circuit breaker
US6229413B1 (en) 1999-10-19 2001-05-08 General Electric Company Support of stationary conductors for a circuit breaker
US6317018B1 (en) 1999-10-26 2001-11-13 General Electric Company Circuit breaker mechanism
US6232856B1 (en) 1999-11-02 2001-05-15 General Electric Company Magnetic shunt assembly
US6377144B1 (en) 1999-11-03 2002-04-23 General Electric Company Molded case circuit breaker base and mid-cover assembly
EP1098343B1 (en) 1999-11-03 2005-09-21 AEG Niederspannungstechnik GmbH & Co. KG Circuit breaker rotary contact arm arrangement
US6300586B1 (en) 1999-12-09 2001-10-09 General Electric Company Arc runner retaining feature
US6310307B1 (en) 1999-12-17 2001-10-30 General Electric Company Circuit breaker rotary contact arm arrangement
US6172584B1 (en) 1999-12-20 2001-01-09 General Electric Company Circuit breaker accessory reset system
US6184761B1 (en) 1999-12-20 2001-02-06 General Electric Company Circuit breaker rotary contact arrangement
US6215379B1 (en) 1999-12-23 2001-04-10 General Electric Company Shunt for indirectly heated bimetallic strip
US6281461B1 (en) 1999-12-27 2001-08-28 General Electric Company Circuit breaker rotor assembly having arc prevention structure
US6346869B1 (en) 1999-12-28 2002-02-12 General Electric Company Rating plug for circuit breakers
US6211758B1 (en) 2000-01-11 2001-04-03 General Electric Company Circuit breaker accessory gap control mechanism
US6239677B1 (en) 2000-02-10 2001-05-29 General Electric Company Circuit breaker thermal magnetic trip unit
US6429759B1 (en) 2000-02-14 2002-08-06 General Electric Company Split and angled contacts
US6313425B1 (en) 2000-02-24 2001-11-06 General Electric Company Cassette assembly with rejection features
US6281458B1 (en) 2000-02-24 2001-08-28 General Electric Company Circuit breaker auxiliary magnetic trip unit with pressure sensitive release
US6404314B1 (en) 2000-02-29 2002-06-11 General Electric Company Adjustable trip solenoid
US6204743B1 (en) 2000-02-29 2001-03-20 General Electric Company Dual connector strap for a rotary contact circuit breaker
US6346868B1 (en) 2000-03-01 2002-02-12 General Electric Company Circuit interrupter operating mechanism
US6340925B1 (en) 2000-03-01 2002-01-22 General Electric Company Circuit breaker mechanism tripping cam
US6379196B1 (en) 2000-03-01 2002-04-30 General Electric Company Terminal connector for a circuit breaker
US6448521B1 (en) 2000-03-01 2002-09-10 General Electric Company Blocking apparatus for circuit breaker contact structure
US6366438B1 (en) 2000-03-06 2002-04-02 General Electric Company Circuit interrupter rotary contact arm
US6211757B1 (en) 2000-03-06 2001-04-03 General Electric Company Fast acting high force trip actuator
US6459349B1 (en) 2000-03-06 2002-10-01 General Electric Company Circuit breaker comprising a current transformer with a partial air gap
US6496347B1 (en) 2000-03-08 2002-12-17 General Electric Company System and method for optimization of a circuit breaker mechanism
US6429659B1 (en) 2000-03-09 2002-08-06 General Electric Company Connection tester for an electronic trip unit
US6366188B1 (en) 2000-03-15 2002-04-02 General Electric Company Accessory and recess identification system for circuit breakers
US6218919B1 (en) 2000-03-15 2001-04-17 General Electric Company Circuit breaker latch mechanism with decreased trip time
US6232859B1 (en) 2000-03-15 2001-05-15 General Electric Company Auxiliary switch mounting configuration for use in a molded case circuit breaker
US6459059B1 (en) 2000-03-16 2002-10-01 General Electric Company Return spring for a circuit interrupter operating mechanism
US6421217B1 (en) 2000-03-16 2002-07-16 General Electric Company Circuit breaker accessory reset system
US6476698B1 (en) 2000-03-17 2002-11-05 General Electric Company Convertible locking arrangement on breakers
US6479774B1 (en) 2000-03-17 2002-11-12 General Electric Company High energy closing mechanism for circuit breakers
FR2806548B1 (fr) 2000-03-17 2002-08-23 Ge Power Controls France Mecanisme extractible pour disjoncteurs
US6586693B2 (en) 2000-03-17 2003-07-01 General Electric Company Self compensating latch arrangement
US6559743B2 (en) 2000-03-17 2003-05-06 General Electric Company Stored energy system for breaker operating mechanism
US6373010B1 (en) 2000-03-17 2002-04-16 General Electric Company Adjustable energy storage mechanism for a circuit breaker motor operator
US6388213B1 (en) 2000-03-17 2002-05-14 General Electric Company Locking device for molded case circuit breakers
US6472620B2 (en) 2000-03-17 2002-10-29 Ge Power Controls France Sas Locking arrangement for circuit breaker draw-out mechanism
US6639168B1 (en) 2000-03-17 2003-10-28 General Electric Company Energy absorbing contact arm stop
US6747535B2 (en) 2000-03-27 2004-06-08 General Electric Company Precision location system between actuator accessory and mechanism
US6373357B1 (en) 2000-05-16 2002-04-16 General Electric Company Pressure sensitive trip mechanism for a rotary breaker
US6995640B2 (en) 2000-05-16 2006-02-07 General Electric Company Pressure sensitive trip mechanism for circuit breakers
US6400245B1 (en) 2000-10-13 2002-06-04 General Electric Company Draw out interlock for circuit breakers
US6531941B1 (en) 2000-10-19 2003-03-11 General Electric Company Clip for a conductor in a rotary breaker
US6806800B1 (en) 2000-10-19 2004-10-19 General Electric Company Assembly for mounting a motor operator on a circuit breaker
US6429760B1 (en) 2000-10-19 2002-08-06 General Electric Company Cross bar for a conductor in a rotary breaker
US6362711B1 (en) 2000-11-10 2002-03-26 General Electric Company Circuit breaker cover with screw locating feature
US6380829B1 (en) 2000-11-21 2002-04-30 General Electric Company Motor operator interlock and method for circuit breakers
US6448522B1 (en) 2001-01-30 2002-09-10 General Electric Company Compact high speed motor operator for a circuit breaker
US6476337B2 (en) 2001-02-26 2002-11-05 General Electric Company Auxiliary switch actuation arrangement
US6882258B2 (en) 2001-02-27 2005-04-19 General Electric Company Mechanical bell alarm assembly for a circuit breaker
US6678135B2 (en) 2001-09-12 2004-01-13 General Electric Company Module plug for an electronic trip unit
US6469882B1 (en) 2001-10-31 2002-10-22 General Electric Company Current transformer initial condition correction
US6804101B2 (en) 2001-11-06 2004-10-12 General Electric Company Digital rating plug for electronic trip unit in circuit breakers
ITMI20012325A1 (it) * 2001-11-06 2003-05-06 Abb Service Srl Interruttore di bassa tensione
DE102005050705B4 (de) * 2005-10-05 2008-07-31 Moeller Gmbh Kontaktsystem für einen Niederspannungsschalter
DE102007010269A1 (de) * 2007-03-02 2008-09-04 Siemens Ag Fehlerstromschutzschalter und Kombigerät
KR101079012B1 (ko) * 2010-01-20 2011-11-01 엘에스산전 주식회사 한류형 배선용 차단기
DE102010035625A1 (de) * 2010-08-24 2012-03-01 Siemens Aktiengesellschaft Elektrischer Schalter und Verfahren zum Montieren einer Schalteinheit eines elektrischen Schalters
DE102012201257A1 (de) * 2012-01-30 2013-08-01 Siemens Aktiengesellschaft Rotorgehäuse für einen Öffnungsmechanismus einer Schaltvorrichtung für ein elektrisches Schaltgerät
KR101356551B1 (ko) * 2012-10-30 2014-01-28 엘에스산전 주식회사 진공차단기의 ｍｏｃ 스위치
DE102015108129B4 (de) 2014-05-30 2020-06-18 Eaton Intelligent Power Limited Schutzschalter mit einfach herzustellender Schaltwelle, Negativform zur Herstellung einer Schaltwelle eines derartigen Schutzschalters und Verfahren zur Herstellung einer Schaltwelle eines derartigen Schutzschalters
DE102015117324A1 (de) * 2015-10-12 2017-04-13 Abb Schweiz Ag Schaltgerät mit einem Kontaktsystem

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE492295C (de) * 1930-02-22 Richard Braun Einstellbares Gewindeschneideisen
NL112822C (enrdf_load_stackoverflow) * 1958-07-30
US3317866A (en) * 1963-02-07 1967-05-02 Terasaki Denki Sangyo Kk Automatic circuit interrupter having magnetic blowoff means
DE1763252C3 (de) * 1968-04-25 1978-10-19 Baer Elektrowerke Kg, 5885 Schalksmuehle Einbauschalter, insbesondere Kippschalter
DE3208009A1 (de) * 1982-03-05 1983-09-08 Siemens AG, 1000 Berlin und 8000 München Schnellschalter

Also Published As

Publication number Publication date
JPH0151845B2 (enrdf_load_stackoverflow) 1989-11-07
DE3347120A1 (de) 1985-07-11
JPS60157115A (ja) 1985-08-17
US4562419A (en) 1985-12-31
DE3462563D1 (en) 1987-04-09
EP0148111A2 (de) 1985-07-10
EP0148111A3 (en) 1985-08-07

Similar Documents

Publication Publication Date Title
EP0148111B1 (de) Elektro-dynamisch öffnendes Kontaktsystem
DD201742A5 (de) Leitungsschutzschalter
DE2439391B (de) Ausschalter mit einem Schaltmechanismus und einem diesen steuernden Betätigungsmechanismus
DE69228001T2 (de) Sicherheitsschalter für arbeitsmaschinen
EP0031791A1 (de) Hochspannungs-Leistungsschalter
DE1665429A1 (de) Elektrischer Schalter oder Umschalter
DE3906786C2 (enrdf_load_stackoverflow)
EP0268937B1 (de) Elektrische Kontaktvorrichtung
EP0148112B1 (de) Schalter mit einem selektiv arbeitenden Auslöser
DE69516790T2 (de) Mittelspannungsschalter oder Schutzschalter
DE3486003T2 (de) Schalter-kontaktstruktur.
DE1665890C3 (de) Schaltvorrichtung
DE4023740C2 (de) Schalterantrieb
DE2653001B2 (de) Elektrischer Trennschalter mit rascher Trennung und Sicherheits-Zwangsunterbrechung
DE1490042B1 (de) Schuetz mit wahlweise als OEffner oder Schliesser veraenderbaren Schaltbruecken-Kontakten
DE3338244C2 (enrdf_load_stackoverflow)
DE3104411C2 (enrdf_load_stackoverflow)
DE2648468C2 (de) Schaltgerät
DE2261288A1 (de) Schuetz mit kurzschlusschaltvermoegen
EP0074920A2 (de) Sprungfederantrieb für das bewegliche Schaltstück eines elktrischen Erdungs- oder Trennschalters
DE2648469C3 (de) Kontaktsystem für Schnellschaltgeräte
DE2034465C3 (de) Magnetschalter, insbesondere Fernschalter
DE1615838C (de) Relaiskontaktanordnung
DE1081547B (de) Mit Zusatzmasse ausgestattete Daempfungsvorrichtung zur Verhuetung des Prellens elektrischer Schaltkontaktstuecke
CH403952A (de) Elektromechanisches Antriebssystem und Verwendung desselben

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): DE FR IT

AK Designated contracting states

Designated state(s): DE FR IT

17P Request for examination filed

Effective date: 19850905

17Q First examination report despatched

Effective date: 19860514

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR IT

REF Corresponds to:

Ref document number: 3462563

Country of ref document: DE

Date of ref document: 19870409

ET Fr: translation filed
ITF It: translation for a ep patent filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19901219

Year of fee payment: 7

ITTA It: last paid annual fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19920831

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19940216

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19950901