WO2013000712A1 - Système d'entraînement d'appareil de commutation - Google Patents

Système d'entraînement d'appareil de commutation Download PDF

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Publication number
WO2013000712A1
WO2013000712A1 PCT/EP2012/061241 EP2012061241W WO2013000712A1 WO 2013000712 A1 WO2013000712 A1 WO 2013000712A1 EP 2012061241 W EP2012061241 W EP 2012061241W WO 2013000712 A1 WO2013000712 A1 WO 2013000712A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
wrap spring
clutch
transmission
wrap
Prior art date
Application number
PCT/EP2012/061241
Other languages
German (de)
English (en)
Inventor
Oliver DUWE
Gunnar Lutzke
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2013000712A1 publication Critical patent/WO2013000712A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/20—Freewheels or freewheel clutches with expandable or contractable clamping ring or band
    • F16D41/206—Freewheels or freewheel clutches with expandable or contractable clamping ring or band having axially adjacent coils, e.g. helical wrap-springs
    • 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
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H01H3/3005—Charging means
    • H01H3/3021—Charging means using unidirectional coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
    • H01H3/58—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts using friction, toothed, or other mechanical clutch

Definitions

  • the invention relates to a switching device drive arrangement with a gear for driving relatively movable contact pieces of an electrical switching device with a zwi ⁇ 's a transmission input side and a Getriebeausgangs ⁇ side arranged depending on a relative movement between the transmission input side and transmission output side ⁇ coupling / disengaging clutch.
  • Such a switching device drive arrangement for example, the disclosure WO2009 / 056373 AI removed.
  • the local switching device drive arrangement serves to drive relatively movable contact pieces of an electrical switching device.
  • the known Heidelbergsanord ⁇ voltage has a transmission input side and an output side Getriebeaus ⁇ . Between the transmission input side and the transmission output side, a clutch is arranged.
  • Switchgear can For example, solve different switching tasks. Entspre ⁇ accordingly occur in various load-change reactions on the transmission. In the previous design, it is necessary to construct adapted Wegowski- drive arrangements for the respective load change reactions.
  • the object is achieved in a Heidelbergöean- drive arrangement of the type mentioned above in that the clutch is additionally switchable independent of movement.
  • Transmission in switching devices and drive devices are used for example to convert a driving motion to be set at ⁇ play.
  • ⁇ supply a driving motion of the use of a Antriebsmo- tors be provided.
  • a rotating movement is to be varied by means of the transmission in a simple manner in their speed.
  • a gear drive may be employed which has ⁇ Various ne gears that mesh so that a plurality of shafts are movable relative to each other. Via the gears or corresponding waves, a power flow can be transmitted.
  • the direction of power flow may reverse between the transmission input side and the transmission output side.
  • the clutch within the transmission couples or decouples the transmission input side of the transmission output side in response to a relative movement occurring between the transmission input side and gear ⁇ beausgangsseite. That is, in the case of a first relative movement, a possible rigid, ie, slip-poor transmission of a movement can take place via the coupling, whereas a disengagement of the coupling takes place when the relative movement is reversed.
  • a clutch may in particular be designed as an overrunning clutch which engages or disengages as a function of these relative movements occurring between the transmission input side and the transmission output side.
  • the clutch that automatically acts in dependence of Relativbewe ⁇ supply, engaged as desired and / or in particular ⁇ sondere be disengaged.
  • the externally tax-exempt Incoming or disengaging is prioritized over the independent mode of operation.
  • a forced uncoupling of the clutch takes place, for example, to increase safety reserves of the transmission.
  • Such a freewheel can be enforced beispielswei ⁇ se.
  • impact or shear forces on the transmission of its input or output side ⁇ whereby its mechanical loads tung is reduced can be kept away.
  • improved operation are ⁇ be expected as increased life Weg GmbHantriebsanord ⁇ planning.
  • a forced connection or disconnection of the clutch makes it possible to vary the transmission behavior of the switching device drive arrangement for various switching devices.
  • a further advantageous embodiment can provide that the transmission has an energy store which temporarily stores the energy for driving the movable contact pieces.
  • the switching device drive arrangement can be designed such that the energy store is charged and the energy stored in the energy store is partially or completely removed in order to effect a relative movement between the contact pieces.
  • the energy storage device can be dimensioned such that sufficient amounts of energy are stored in order to effect a multiple switching of the contact pieces.
  • the Ener ⁇ gie prayer may for instance be dimensioned such that power for at least three switching actions is available. These three switching operations can, for example, cause switching off, switching on and repeated switching off of the contact pieces.
  • the coupling has a relatively movable shafts of the gear input side and the gear output side coupling Schlingfe ⁇ .
  • the relatively movable shafts make it possible to transmit rotational movements.
  • the clutch provides one
  • gears, pulleys, crank arms or other suitable machine elements may be arranged to train a transmission the.
  • the shafts can end face spaced coaxial be aligned with each other, wherein a Kraftver ⁇ mediation between the two shafts via a coupling
  • the wrap spring has a plurality of turns, the turns bridging a gap located between the relatively movable shafts.
  • the wrap has a variety of
  • the wrap may be formed, for example in the form of a coil spring.
  • the waves are coaxial face each other frontally, with an existing between the waves gap through the
  • Wrap spring is bridged.
  • the wrap spring wraps lateral surfaces of the two shafts. Due to the frictional forces between the loops of the wrap spring and the respective wound waves is a power transmission between the
  • wrap springs may be used.
  • the wrap spring is a spiral spring, preferably a band-shaped spiral spring, wherein coaxially aligned waves overlap one another to form a radially circumferential gap.
  • the spiral wrap spring bridges the radial gap between the shafts. Regardless of the design of the wrap is
  • the second direction of rotation acts on the winding sense of the loops in the wrap spring counter, so that the friction of the wrap spring is reduced to the waves, so that a freewheeling of the shafts to each other it is ⁇ allows. If a change of a driving force from the first shaft to the second shaft occurs, an analogous effect of the wrap spring is recorded.
  • the relative direction of rotation or difference of a rotational movement between the shafts causes a coupling or decoupling of the wrap spring clutch. Between the two shafts such a freewheel is formed, wel ⁇ cher works in response to a relative movement between the waves.
  • the wrap spring clutch transmits a driving Wheelbewe ⁇ tion of the first wave in a first direction of rotation to the second shaft. That is, the angular velocity of the first wave in the first direction of rotation must be greater than the angular velocity of the second wave in the first direction of rotation ⁇ tion.
  • a rotational movement of the second shaft in a second rotational direction which is opposite to the first rotational direction is transmitted to the first shaft when the Winkelge ⁇ speed of the second shaft is greater than the angular velocity of the first shaft towards the second direction of rotation.
  • a further advantageous embodiment can provide that for relatively movement independent switching, a switching element engages a wrap spring of the clutch and widens at least one loop of the wrap spring.
  • a further advantageous embodiment can provide that the switching element switches as a function of a progressing of a charging / discharging of the energy storage.
  • the switching device drive assembly must be able to provide this movement during the period of charging / recharging the energy storage.
  • a requirement represents a disturbance within the working ⁇ flow.
  • the targeted Einkuppeins or Auskup ⁇ peins of the coupling depending on how far the charging of the energy storage has progressed, for example, the already existing in the energy storage or still existing energy content can be used to directly, ie, without having to wait for a complete recharge of the energy storage to perform a switching action.
  • the switchable coupling can arbitrarily interrupt a frictional connection between the transmission input side and the transmission ⁇ output side.
  • An interruption can be triggered independently of the current state or the current operation of the transmission.
  • An interruption of the power flow can, for example, also take place in order to enable a run-on of moving elements of the transmission.
  • after uncoupling, driven by an inertia of moving masses after-running, for example a shaft of the transmission, may be permitted. This prevents a strong braking of the masses.
  • excess energy can be released from the energy store when discharging the energy store, for example, so that unwanted movement into the transmission occurs.
  • one can be transmitted and the transmission output side becomes the driving side of the transmission.
  • a certain movement of the contact pieces is generated, for example, an overstroke or a ringing, Auspendeln etc. certain assemblies of the transmission may occur. It is advantageous to keep this aftermath etc. away from other gear ⁇ components.
  • a kickback of a shaft of the transmission may occur, this kickback may be associated with a reversal of direction.
  • Such a reverse rotation is particularly disadvantageous when run after for example due to inertial moments ⁇ other parts of the transmission and is counteracted in addition to a sudden application of force and the follow-up movement.
  • a further advantageous embodiment may provide that the switching element by means of a wedge at least one Schlin ⁇ ge of the wrap spring apart.
  • a wedge can be driven, for example by means of the switching element.
  • the wedge can move in the axial direction, whereby at least one in particular a plurality of loops of the wrap spring are lifted from a gripped shaft, so that frictional forces are reduced.
  • the wedge may beispielswei- se annular surround around the shaft or segment-like distributed be arranged so that a Annae ⁇ hernd same type radial lifting and lengths of the loop is effected in a plurality of radial directions around the shaft. Due to the entanglement of the individual loops with each other can also adjacent to the divergent
  • Loops loops located and so a power flow between wave and wrap are lifted. Furthermore, it can advantageously be provided that is ⁇ xed through the switching element at least one loop of the wrap spring fi. Another way of influencing a loop of the wrap by the switching element is given by fixing the loop. By means of fixing the loop, the rotatability of the wrap spring is restricted. By Fi ⁇ xieren the loop a rotation of the wrap spring is caused in the occurrence of a driving rotary motion in itself and the loops twisted against its sense of winding. The driving rotational movement of the wrap spring can no longer be transferred directly from one shaft to the other shaft. A fixed loop of the wrap can thus cause the loops of the wrap spring are rotated apart and the individual loops widen. Such a construction has the advantage that, depending on the angle of rotation traveled by the wrap spring, a proportional number of turns of the wrap spring can be widened relative to the fixed loop.
  • a further advantageous embodiment can provide that a wrap spring of the wrap spring clutch is rotated counter to its sense of angle by the switching element.
  • a rotation of the wrap spring against its winding sense has the advantage that regardless of a rotational movement of the waves to each other by means of the switching element, against ⁇ set to the winding sense of the wrap acting rotation can be applied to this, so that at least one particular more loops of the wrap expand.
  • the switching element is designed in the form of a sleeve which engages around one of the shafts, wherein the sleeve, regardless of a rotational movement of the shaft passing through them, can introduce a rotational movement for winding the coil spring in the wrap spring.
  • FIG. 2 shows a modification of that known from FIG.
  • Figure 3 is an enlarged view of a wrap spring clutch with switching element.
  • FIG. 1 shows a partially cutaway perspective view of a switching device drive arrangement with a transmission.
  • the transmission has a first shaft 1. Next ⁇ out a second wave 2 is provided.
  • the two shafts 1, 2 have approximately the same outer diameter in a circular cylindrical surface and sit on a clamping shaft 3.
  • the first shaft 1 is rotatably supported relative to the tensioning shaft 3, so that a rotational movement of the tensioning shaft 3 can be independent of a rotational movement of the first shaft 1.
  • the first shaft 1 and the second shaft 2 face each other frontally ge ⁇ genüber and have approximately identical Mantel vomab ⁇ sections herein circular cylindrical casing surface sections.
  • Wave 2 is approximately the same.
  • the second shaft 2 is connected to the winding shaft 3 so that a rotation around the Wel ⁇ lenachsen of the clamping shaft 3 and the second shaft 2 can only be done together.
  • the second shaft 2 as well as the tensioning shaft 3 are formed from discrete assemblies, with a form-fit connection between the two, for example by a diametrically opposed profiling, can be provided.
  • the first shaft 1 is equipped with a gear 4.
  • the gear 4 is in engagement with a drive shaft 5, which is also aligned parallel to the shaft axes of the first shaft 1, the second shaft 2 and the clamping shaft 3.
  • On the drive shaft 5 is by means of a drive motor, such as an electric motor, a rotational movement on ⁇ brought.
  • a rotary motion generated by the drive motor of the drive shaft 5 is transmitted through a to the drive shaft 5 at ⁇ set pinion to the gear 4 and therefore to the angular rigidly connected to the gear 4 first shaft.
  • the tensioning shaft 3 is equipped with a crank 6, so that a rotational movement can be converted via a connecting rod 7 in a translational movement.
  • a rotational movement of the clamping shaft 3 causes a rotational movement of the crank 6.
  • About the rotatably hinged on the crank 6 connecting rod 7 is generated ei ⁇ ne linear movement.
  • the connecting rod 7 serving as an energy storage coil spring 8 is connected.
  • the coil spring 8 is struck against an abutment, so that a movement of the connecting rod 7, a pulling apart of the coil spring 8 can be effected.
  • a driving force is via the drive shaft 5 and a
  • the first shaft 1 and the second Wel ⁇ le 2 can be coupled by means of a wrap spring clutch 9.
  • the first shaft 1 belongs to the transmission input side.
  • the second shaft 2 belongs to the transmission output side.
  • the wrap spring clutch 9 constitutes a connection between the transmission input side and the transmission output side.
  • the wrap spring clutch 9 has a wrap spring 10.
  • the wrap 10 is formed in the present case in the manner of a coil spring. Slings of the wrap spring 10 are made of a wire with a preferably wound rectangular section.
  • the wrap spring 10 has such a large number of loops that both the first shaft 1 and the second shaft 2 are encompassed by the wrap spring 10 on the shell side and given a sufficient axial overlap both on the first shaft 1 and on the second shaft 2 is to be transmitted via the wrap spring 10 of the wrap spring clutch 9 a rotational movement of the first shaft 1 to the second shaft 2 and of the second shaft 2 to the first shaft 1 can.
  • the wrap is wound with such a direction sense, so that a rotational movement of the gear 4 and the first shaft 1 counterclockwise entrainment of the stationary second shaft 2 be ⁇ acts.
  • Looping of the wrap spring 10, whereby the frictional forces between the wrap spring 10 and the lateral surfaces of the first and the second shaft 1, 2 are reduced, ie, by means of the wrap spring clutch 9 is a transmission of movement from the first shaft 1 to the second Wel ⁇ le 2 allows only in one direction.
  • An opposite / opposite rotational movement of the first shaft 1 is not transmitted to the second shaft 2.
  • a rotary motion of the second shaft 2 can opposite to the clockwise no effect on a rest ⁇ en / slower moving first shaft 1 bring about, that is, into diesel ser direction is an entrainment of the first shaft 1 is not mög ⁇ Lich.
  • a movement of the second shaft 2 in the clockwise direction can cause entrainment of the resting ⁇ / slow-moving first shaft 1 on the wrap spring 10 of the wrap spring clutch 9.
  • the wrap spring clutch 9 is further equipped with a switching element 11.
  • the switching element 11 has a switching ⁇ element sleeve IIa.
  • the switching element sleeve IIa surrounds the wrap spring 10 on the outer jacket side.
  • a claw IIb engages the switching element 11.
  • the claw IIb makes it possible to fix a loop of the wrap spring 10 so that upon rotation of the wrap spring 10 is untwisting of the wrap spring 10 and therefore a widening of the loops. This makes it possible to reduce frictional forces between wrap spring 10 and shafts 1, 2. If necessary, the friction between the wrap spring 10 and one of the shafts 1, 2 can be reduced.
  • the coil spring 8 is shown in the tensioned state.
  • the crank 6 is located at top dead center I or shortly before or after top dead center I. Diametrically opposite is the bottom dead center II of the crank 6.
  • the second shaft 2 Due to the angular rigid permanent connection of the second shaft 2 with the tensioning shaft 3, the second shaft 2 is moved in a Entspan ⁇ nen the coil spring 8 with the same sense as during a tension of the coil spring 8. Due to the winding direction of the wrap 10 now uncoupled the wrap spring clutch 9, so that a rotational movement, which is driven by the relaxing coil spring 8, is decoupled by the wrap spring clutch 9, ie, when a tensioning of the coil spring 8, a power flow takes place from the second shaft 2 to the first shaft 1. When relaxing the coil spring 8 (after exceeding the dead center I), however, there is a reversal of the force ⁇ flow direction, with a power flow emanating from the second shaft 2.
  • the wrap spring clutch 9 disengaged after a reversal of the direction of force flow, the force-transmitting connection between the first shaft 1 and the second shaft 2.
  • the second shaft 2 (as well as the Spannwel ⁇ le 3) moved both when loading and unloading the coil spring 8 with the same direction of rotation.
  • crank 6 Due to the sudden relaxation of the coil spring 8, the crank 6 is moved very quickly from top dead center I to un ⁇ dead center II. The crank 6 oscillates inertially over the bottom dead center II. Driven by the force of the helical spring 8 after a swing through the bottom dead center II in a remindschwin- gen reversing direction of the clamping shaft 3 and the second rigid connected angle shaft 2. In this case, the wrap spring 9 would due to the reversal of direction, ie, the relative movement between first shaft 1 and second shaft 2 is reversed, an engagement of the Schlingfederkupp ⁇ ment 9 done. It would take a driving the first shaft 1 and the attached gear 4 and the drive shaft 5.
  • FIG. 2 shows an alternative embodiment variant of a switching device drive arrangement.
  • the local arrangement also has a clamping shaft 3.
  • a tensioning shaft gear 12 is arranged on the tensioning shaft 3.
  • the clamping ⁇ wave gear 12 is in engagement with a pinion, which is arranged on a drive shaft 5.
  • the arrangement of a wrap spring 13 is already provided in the course of the drive shaft 5 in the construction of Figure 2. This makes it possible to construct the wrap spring 13 more compact, since their effect is further enhanced by the pinion and the Spannwel ⁇ lenzahnrad 12.
  • a more compact wrap spring 13 can be formed relative to the Kon ⁇ constructive tion of FIG. 1
  • the effect and function of the wrap spring 13 and the entire switching device drive arrangement of Figure 2 corresponds to the arrangement shown in Figure 1.
  • the wrap spring clutch 13 has a first shaft 14 and a second shaft 15.
  • the two shafts 14, 15 are aligned coaxially with each other, with end faces of the shafts 14, 15 facing each other.
  • the two shafts 14, 15 are penetrated by the drive shaft 5, so that all Wellenach ⁇ sen the first shaft 14, the second shaft 15 and the drive shaft 5 are aligned coaxially.
  • the first shaft 14 is rotatably mounted on the
  • the wrap spring clutch 13 is in turn equipped with a switching element 17.
  • the switching element 17 is ge ⁇ aims a coupling or decoupling of the wrap spring 16 allows.
  • the switching element 17 has a sleeve 18 which is axially displaceable to the shaft axes of the drive shaft 5 of the first Wel ⁇ le 14 and the second shaft 15.
  • the sleeve has a first and a second pin 19a, 19b.
  • the pins 19a, 19b are aligned radially to the shaft axes.
  • the pins 19a, 19b each engage in a thread of a casing 20 of the wrap spring 16.
  • the casing 16 surrounds the wrap spring 16 on the outer shell side.
  • An axial displacement of the sleeve 18 also causes an axial displacement of the pins 19a, 19b.
  • helical threads are incorporated, in which the pins 19a, 19b engage.
  • an axial movement of the sleeve 18 of the switching element 17 is converted into a rotational movement of the order ⁇ sheathing 20th
  • the wrap spring 16 is connected to the Umman 20 struck at the end.
  • the rotational movement is directed such that upon movement of the sleeve 18 in egg ⁇ ner first direction, for example, to the first shaft 14 to, a twisting of the wrap spring 16 is caused in itself against the winding sense of the wrap 16, so that slings the wrap 16 are widened and a power transmission between the first shaft 14 and the second shaft 15 is no longer possible.
  • a contraction of the loops of the wrap spring 16 is effected by removing the sleeve 16 from the first shaft 14 and the reverse Drehbewe ⁇ tion thus generated on the wrap spring 16, so that a frictional engagement between the wrap spring 16 and the first shaft 14 and the second shaft 15 is given. Between the first shaft 14 and the second shaft 15, a rotational movement can be transmitted.
  • FIGS. 1 and 2 in each case, symbolically movable contact pieces 21 are shown, which are movable relative to one another by means of the switching device drive arrangement.
  • a coupling to the crank 6 of the tensioning shaft 3 or to a connecting rod 7 connected to the crank is shown schematically in each case.
  • crank 6 of the ON state of relatively movable contact pieces 21 is thus achieved at TDC I, whereas in the bottom dead center position II of the crank 6, a turn-off of the relatively bewegba ⁇ ren contact pieces is reached 21st Regardless of this symbolic representation, however, it can also be provided that, for example, during a relaxing of the coil spring 8, a multiple switching on or off of the relatively movable contact pieces is triggered and / or no discharge of movement to the contacts during charging of the energy storage. A relative movement between the contact pieces 21 can take place independently of the position of the crank 6 by the energy temporarily stored in the energy store.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

Système d'entraînement d'appareil de commutation, présentant un engrenage servant à entraîner des éléments de contact, mobiles l'un par rapport à l'autre, d'un appareil de commutation. Entre un côté entrée et un côté sortie de l'engrenage est disposé un accouplement (13, 9) qui assure un accouplement ou un désaccouplement en fonction d'un sens de flux de force. Cet accouplement peut être commandé non seulement en fonction du sens de flux de force mais également indépendamment de ce dernier.
PCT/EP2012/061241 2011-06-29 2012-06-14 Système d'entraînement d'appareil de commutation WO2013000712A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110078367 DE102011078367A1 (de) 2011-06-29 2011-06-29 Schaltgeräteantriebsanordnung
DE102011078367.9 2011-06-29

Publications (1)

Publication Number Publication Date
WO2013000712A1 true WO2013000712A1 (fr) 2013-01-03

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WO (1) WO2013000712A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114402409A (zh) * 2020-02-07 2022-04-26 Abb瑞士股份有限公司 用于开关设备的隔离开关

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205350164U (zh) * 2013-06-25 2016-06-29 Abb技术有限公司 用于电气开关装置的弹簧传动、电气开关装置及扭转弹簧在弹簧传动中的用途

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1525340A1 (de) * 1965-01-28 1969-12-18 Curtiss Wright Corp Federbandreibungskupplung
FR2720805A1 (fr) * 1994-06-01 1995-12-08 Jean Badersbach Mécanisme de transmission à plusieurs modes de fonctionnement commandés.
WO2009056373A1 (fr) 2007-10-29 2009-05-07 Areva T & D Ag Actionneur d'un interrupteur comprenant un dispositif d'accouplement a roue libre.
WO2011055400A1 (fr) * 2009-11-04 2011-05-12 Cge Services & Trading Srl Élément d'accouplement bidirectionnel comportant un ressort hélicoïdal et un mécanisme de transmission du mouvement d'un déclencheur à friction

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1525340A1 (de) * 1965-01-28 1969-12-18 Curtiss Wright Corp Federbandreibungskupplung
FR2720805A1 (fr) * 1994-06-01 1995-12-08 Jean Badersbach Mécanisme de transmission à plusieurs modes de fonctionnement commandés.
WO2009056373A1 (fr) 2007-10-29 2009-05-07 Areva T & D Ag Actionneur d'un interrupteur comprenant un dispositif d'accouplement a roue libre.
WO2011055400A1 (fr) * 2009-11-04 2011-05-12 Cge Services & Trading Srl Élément d'accouplement bidirectionnel comportant un ressort hélicoïdal et un mécanisme de transmission du mouvement d'un déclencheur à friction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114402409A (zh) * 2020-02-07 2022-04-26 Abb瑞士股份有限公司 用于开关设备的隔离开关

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