EP0797230B1 - Remote control with geared motor unit with a centrifugal clutch - Google Patents
Remote control with geared motor unit with a centrifugal clutch Download PDFInfo
- Publication number
- EP0797230B1 EP0797230B1 EP19970410031 EP97410031A EP0797230B1 EP 0797230 B1 EP0797230 B1 EP 0797230B1 EP 19970410031 EP19970410031 EP 19970410031 EP 97410031 A EP97410031 A EP 97410031A EP 0797230 B1 EP0797230 B1 EP 0797230B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- remote control
- motor
- control device
- bell
- 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 - Lifetime
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/66—Power reset mechanisms
- H01H71/70—Power reset mechanisms actuated by electric motor
-
- 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
- Such a device according to the preamble of claim 1 is described for example in CH-A-142 573.
- the arrangement of the centrifugal clutch between the motor and the speed reducer requires careful axial alignment of the different elements to prevent premature wear of the speed reducer gears.
- the mounting such a device is complicated.
- the starting direction of the engine is random depending on the type of electric motor used. It is classic for motors synchronous to make use of a non-return ratchet to impose a direction of rotation predetermined.
- Known pawls operate by friction effect, and are subjected to a premature wear.
- the object of the invention is to provide a geared motor equipped with a clutch quick and easy assembly centrifuge.
- the means for driving the bell comprise a friction lining fixed on the internal lateral surface.
- the outer periphery of the bell is shaped according to a hooking toothing capable of cooperating with locking means following the stopping of the engine.
- the rotor is provided with stop means intended for cooperate with a ratchet to determine the starting direction of the engine.
- the stop means comprise at least one tooth disposed axially opposite to the insert and that the pawl is articulated on an axis being polarized by a spring on said tooth.
- the metal insert of the material rotor plastic is extended by a cylindrical rod, having a semi-spherical end bearing on a flat bottom of the hole, in the inserted position of the rotor in the bell.
- a remote control module 10 for a circuit breaker block comprises an insulating housing 12 enclosing a geared motor assembly 14 serving as a drive member for a lever 15 associated with a transmission link (not shown) to authorize the opening and closing of the circuit breaker.
- the operation of the transmission link is described in detail in document FR-A-2699733.
- the geared motor assembly 14 is equipped with an electric motor 16 with alternating current mechanically coupled to a speed reducer by means of a centrifugal clutch 18.
- the motor 16 comprises a stator 20 with inductor, and a rotary armature 22 equipped an axis 24 for driving the clutch 18.
- the reciprocating motor 16 is an asynchronous motor with a direction of random start, but any other type of motor can be used.
- the centrifugal clutch 18 comprises a rotor 26 with two weights 28, 30, capable of spreading radially under the effect of the centrifugal force, the rotor 26 being arranged inside a clutch bell 32 in annular shape.
- the axis 24 of the motor 16 is fitted into an orifice 34 of an insert 36 of the rotor 26, and stop means 38 are located on the side of the orifice 34, and on the face of the rotor 26 located opposite the motor. 16.
- the clutch 18 is produced by molding a plastic material, the rotor 26 constituting the driving element, and the bell 32 forming the driven element.
- the internal lateral surface of the annular bell 32 is coated with a friction lining 40, which cooperates with the ends of the two flyweights 28, 30 of the rotor 26 during the rotation of the motor 16.
- the abutment means 38 of the rotor 26 include a pair of teeth 42, 44 diametrically opposite with respect to the orifice 34, and intended to cooperate with a pawl 46 to determine the direction of starting of the motor 16.
- the pawl 46 is articulated on a fixed axis 48 (FIGS. 8 to 10) , and is biased by a spring 50 on the teeth 42, 44 of the stop means 38.
- the clutch bell 32 is provided with an axial protuberance 52 with a blind hole 54 for housing the insert 36 of the rotor 26.
- a pinion 56 is arranged on the external cylindrical surface of the protuberance 52 to serve as an organ d drive of the speed reducer.
- the outer periphery of the bell 32 has a hooking toothing 58 capable of cooperating with a locking lever 60 (FIG. 1) pivotally mounted on an axis 62 between a locking position. , and an unlocking position.
- the locking lever 60 is actuated between the locking and unlocking positions by means of an electromagnet 64, the excitation of which occurs at the end of the closing stroke following the stopping of the motor 16.
- the metal insert 36 of the plastic rotor 26 is extended by a cylindrical rod 66 having a semi-spherical end 68 constituting a ball, which bears on the flat bottom of the hole 54 in the inserted position of the rotor 26 in the bell 32.
- the coming into axial engagement of the rod 66 of the insert 36 on the bottom of the hole 54 takes place at a contact point, so as to reduce the frictional forces during the rotation of the rotor 26.
- a polarization blade 70 ( Figure 1) in flexible elastic material, is fixed on a stud 72 of the housing cover 12, and its opposite end bears on the protuberance 52 of the bell 32 to suppress all the mechanical vibrations that may be generated during the rotation of the centrifugal clutch 18.
- the clutch bell 32 fulfills a first coupling function when the counterweights 28, 30 come into contact against the friction lining 40, a second support function of the pinion 56 for driving the speed reducer, and a third stop function by the action of the locking lever 60 on the hooking toothing 58 during the excitation of the electromagnet 64.
- the insert 36 of the rotor 26 serves as a cantilever support for the bell 32 of the clutch and of the guiding member in rotation of the pinion 56.
- the teeth 42, 44 of the abutment means 38 of the rotor 26 cooperate with the pawl 46 to serve as a unidirectional starting member for the rotary motor 16.
- FIG. 8 represents the centrifugal clutch in the inactive position during the stopping of the engine 16.
- the counterweights 28, 30 remain stationary and separated from the friction lining 40 by a radial clearance.
- the pawl 46 is supported on one of the teeth 42, 44 by the action of the associated spring 50.
- the motor 16 when powered, has a random start direction.
- the teeth 42, 44 of the abutment means 38 push the pawl 46 against the elastic force of the spring 50, allowing the rotation of the rotor 26 , and the radial spacing of the counterweights 28, 30 against the lining 40 under the effect of centrifugal force.
- the clutch bell 32 is then rotated, as well as the pinion 56 of the speed reducer.
- the action of the elastic blade 70 on the protuberance 52 of the bell 32 allows regular rotation of the clutch 26, and eliminates any mechanical vibration.
- the motor 16 starts in the undesired direction (FIG. 10)
- one of the teeth 42, 44 of the rotor 26 abuts against the end of the pawl 46. This results in a mechanical shock which instantly stops the rotor 26, and starts the motor 16 in the other direction of rotation.
- the electromagnet 64 is energized. simultaneously with the interruption of the supply of the motor 16, causing the stopping of the clutch 18 and the speed reducer.
Description
L'invention est relative à un dispositif de télécommande pour appareillage électrique, notamment un disjoncteur électrique, comprenant :
- un ensemble motoréducteur à moteur électrique associé à un réducteur de vitesse pour entraíner des moyens de transmission entre une position de fermeture et une position d'ouverture des contacts de l'appareillage,
- et un embrayage centrifuge agencé entre le moteur et le réducteur de vitesse.
- a gearmotor assembly with an electric motor associated with a speed reducer for driving transmission means between a closed position and an open position of the switchgear contacts,
- and a centrifugal clutch arranged between the motor and the speed reducer.
Un tel dispositif selon le préambule de la revendication 1 est décrit par exemple dans CH-A-142 573.Such a device according to the preamble of claim 1 is described for example in CH-A-142 573.
Dans un dispositif connu, l'agencement de l'embrayage centrifuge entre le moteur et le réducteur de vitesse nécessite des opérations minutieuses d'alignement axial des différents éléments pour éviter toute usure prématurée des pignons du réducteur de vitesse. Le montage d'un tel dispositif est compliqué. D'autre part, le sens de démarrage du moteur est aléatoire en fonction du type de moteur électrique utilisé. Il est classique pour des moteurs synchrones de faire usage d'un cliquet anti-retour pour imposer un sens de rotation prédéterminé. Les cliquets connus fonctionnent par effet de friction, et sont soumis à une usure prématurée.In a known device, the arrangement of the centrifugal clutch between the motor and the speed reducer requires careful axial alignment of the different elements to prevent premature wear of the speed reducer gears. The mounting such a device is complicated. On the other hand, the starting direction of the engine is random depending on the type of electric motor used. It is classic for motors synchronous to make use of a non-return ratchet to impose a direction of rotation predetermined. Known pawls operate by friction effect, and are subjected to a premature wear.
L'objet de l'invention consiste à réaliser un motoréducteur équipé d'un embrayage centrifuge à montage rapide et simple.The object of the invention is to provide a geared motor equipped with a clutch quick and easy assembly centrifuge.
Le dispositif de télécommande selon l'invention est caractérisé en ce que l'embrayage comporte :
- un rotor à masselottes constituant l'élément menant équipé d'un insert saillant de forme tubulaire, dans lequel est emmanché l'axe rotatif du moteur,
- une cloche formant l'élément mené, lequel est séparé du rotor par un intervalle annulaire, et comprenant des moyens d'entraínement coopérant avec les masselottes sous l'effet de la force centrifuge,
- et une protubérance axiale solidaire de la cloche, et ayant un trou borgne pour le logement en porte-à-faux de l'insert du rotor, la surface latérale externe de ladite protubérance étant pourvue d'un pignon de commande du réducteur de vitesse.
- a flywheel rotor constituting the driving element equipped with a protruding insert of tubular shape, in which the rotary axis of the motor is fitted,
- a bell forming the driven element, which is separated from the rotor by an annular gap, and comprising drive means cooperating with the flyweights under the effect of centrifugal force,
- and an axial protuberance integral with the bell, and having a blind hole for the cantilevered housing of the rotor insert, the external lateral surface of said protuberance being provided with a speed reducer control pinion.
Selon un mode de réalisation préférentiel, les moyens d'entraínement de la cloche
comportent une garniture de friction fixée sur la surface latérale interne.
La périphérie externe de la cloche est conformée selon une denture d'accrochage apte à
coopérer avec des moyens de blocage suite à l'arrêt du moteur.According to a preferred embodiment, the means for driving the bell comprise a friction lining fixed on the internal lateral surface.
The outer periphery of the bell is shaped according to a hooking toothing capable of cooperating with locking means following the stopping of the engine.
Selon une caractéristique de l'invention, le rotor est doté de moyens de butée destinés à coopérer avec un cliquet pour déterminer le sens de démarrage du moteur.According to a characteristic of the invention, the rotor is provided with stop means intended for cooperate with a ratchet to determine the starting direction of the engine.
Les moyens de butée comportent au moins une dent disposée axialement à l'opposé de l'insert et que le cliquet est articulé sur un axe en étant polarisé par un ressort sur ladite dent.The stop means comprise at least one tooth disposed axially opposite to the insert and that the pawl is articulated on an axis being polarized by a spring on said tooth.
Selon une autre caractéristique de l'invention, l'insert métallique du rotor en matériau plastique, est prolongé par une tige cylindrique, ayant un bout semi-sphérique prenant appui sur un fond plat du trou, en position insérée du rotor dans la cloche.According to another characteristic of the invention, the metal insert of the material rotor plastic, is extended by a cylindrical rod, having a semi-spherical end bearing on a flat bottom of the hole, in the inserted position of the rotor in the bell.
D'autres avantages et caractéristiques ressortiront plus clairement de la description qui va suivre d'un mode de réalisation de l'invention, donné à titre d'exemple non limitatif, et représenté aux dessins annexés, dans lesquels :
- la figure 1 est une vue en élévation, partiellement arrachée du dispositif de télécommande à motoréducteur selon l'invention ;
- la figure 2 montre une vue en coupe selon la ligne 2-2 de la figure 1 ;
- la figure 3 est une vue en élévation de l'organe mené de l'embrayage centrifuge de la figure 2 ;
- la figure 4 est une vue en coupe selon la ligne 4-4 de la figure 3 ;
- la figure 5 est une vue en élévation de l'organe menant de l'embrayage centrifuge de la figure 2 ;
- la figure 6 est une vue en coupe selon la ligne 6-6 de la figure 5 ;
- la figure 7 représente une vue en perspective de l'embrayage centrifuge de la figure 2 ;
- les figures 8-10 montrent des vues schématiques de l'embrayage, respectivement dans la position stable du rotor, lors du fonctionnement normal du moteur tournant dans le bon sens, et lors du démarrage du moteur à l'envers.
- Figure 1 is an elevational view, partially broken away of the geared motor remote control device according to the invention;
- Figure 2 shows a sectional view along line 2-2 of Figure 1;
- Figure 3 is an elevational view of the driven member of the centrifugal clutch of Figure 2;
- Figure 4 is a sectional view along line 4-4 of Figure 3;
- Figure 5 is an elevational view of the drive member of the centrifugal clutch of Figure 2;
- Figure 6 is a sectional view along line 6-6 of Figure 5;
- Figure 7 shows a perspective view of the centrifugal clutch of Figure 2;
- Figures 8-10 show schematic views of the clutch, respectively in the stable position of the rotor, during normal operation of the engine rotating in the right direction, and when starting the engine upside down.
En référence aux figures 1 et 2, un module de télécommande 10 pour un bloc disjoncteur
(non représenté), comporte un boítier 12 isolant renfermant un ensemble motoréducteur 14
servant d'organe d'entraínement à une manette 15 associée à une biellette de transmission
(non représentée) pour autoriser l'ouverture et la fermeture du disjoncteur.
Le fonctionnement de la biellette de transmission est décrit en détail dans le
document FR-A-2699733.
L'ensemble motoréducteur 14 est équipé d'un moteur électrique 16 à courant alternatif
accouplé mécaniquement à un réducteur de vitesse par l'intermédiaire d'un embrayage
centrifuge 18. Le moteur 16 comporte un stator 20 à inducteur, et un induit 22 rotatif
équipé d'un axe 24 d'entraínement de l'embrayage 18. Le moteur alternatif 16 est un
moteur asynchrone à sens de démarrage aléatoire, mais tout autre type de moteur peut être
utilisé.With reference to FIGS. 1 and 2, a
The operation of the transmission link is described in detail in document FR-A-2699733.
The geared
Sur les figures 3 à 7, l'embrayage 18 centrifuge comprend un rotor 26 à deux
masselottes 28, 30, susceptibles de s'écarter radialement sous l'effet de la force centrifuge,
le rotor 26 étant agencé à l'intérieur d'une cloche 32 d'embrayage de forme annulaire.
L'axe 24 du moteur 16 est emmanché dans un orifice 34 d'un insert 36 du rotor 26, et des
moyens de butée 38 se trouvent du côté de l'orifice 34, et sur la face du rotor 26 située en
regard du moteur 16.
L'embrayage 18 est réalisé par moulage d'un matériau plastique, le rotor 26 constituant
l'élément menant, et la cloche 32 formant l'élément mené. La surface latérale interne de la
cloche 32 annulaire est revêtue par une garniture de friction 40, laquelle coopère avec les
extrémités des deux masselottes 28, 30 du rotor 26 lors de la rotation du moteur 16. Les
moyens de butée 38 du rotor 26 comportent une paire de dents 42, 44 diamétralement
opposées par rapport à l'orifice 34, et destinées à coopérer avec un cliquet 46 pour
déterminer le sens de démarrage du moteur 16. Le cliquet 46 est articulé sur un axe fixe 48
(figures 8 à 10), et est polarisé par un ressort 50 sur les dents 42, 44 des moyens de
butée 38.
La cloche 32 d'embrayage est dotée d'une protubérance 52 axiale à trou 54 borgne pour le
logement de l'insert 36 du rotor 26. Un pignon 56 est agencé sur la surface cylindrique
extérieure de la protubérance 52 pour servir d'organe d'entraínement du réducteur de
vitesse.
A l'opposé de la garniture de friction 40, la périphérie externe de la cloche 32 comporte
une denture d'accrochage 58 apte à coopérer avec un levier de blocage 60 (figure 1) monté
à pivotement sur un axe 62 entre une position de verrouillage, et une position de
déverrouillage. L'actionnement du levier de blocage 60 entre les positions de verrouillage et
de déverrouillage s'effectue au moyen d'un électro-aimant 64, dont l'excitation intervient en
fin de course de fermeture suite à l'arrêt du moteur 16.
L'insert 36 métallique du rotor 26 en plastique se prolonge par une tige 66 cylindrique
ayant un bout 68 semi-sphérique constituant une rotule, laquelle prend appui sur le fond plat
du trou 54 en position insérée du rotor 26 dans la cloche 32. La venue en engagement axial
de la tige 66 de l'insert 36 sur le fond du trou 54 s'effectue selon un point de contact, de
manière à réduire les forces de frottement lors de la rotation du rotor 26. Une lame de
polarisation 70 (figure 1) en matériau souple élastique, est fixée sur un plot 72 du couvercle
du boítier 12, et son extrémité opposée prend appui sur la protubérance 52 de la cloche 32
pour supprimer toutes les vibrations mécaniques susceptibles d'être engendrées lors de la
rotation de l'embrayage centrifuge 18.
La cloche 32 d'embrayage remplit une première fonction d'accouplement lors de la venue
en contact des masselottes 28, 30 contre la garniture de friction 40, une deuxième fonction
de support du pignon 56 d'entraínement de réducteur de vitesse, et une troisième fonction
d'arrêt par l'action du levier de blocage 60 sur la denture d'accrochage 58 lors de
l'excitation de l'électro-aimant 64.
L'insert 36 du rotor 26 sert de support en porte-à-faux pour la cloche 32 d'embrayage et
d'organe de guidage en rotation du pignon 56. Les dents 42, 44 des moyens de butée 38 du
rotor 26 coopèrent avec le cliquet 46 pour servir d'organe de démarrage unidirectionnel du
moteur 16 rotatif. In FIGS. 3 to 7, the
The
The
Opposite the
The
The
The
La figure 8 représente l'embrayage centrifuge en position inactive pendant l'arrêt du
moteur 16.
Les masselottes 28, 30 restent immobiles et séparées de la garniture de friction 40 par un
jeu radial. Le cliquet 46 se trouve en appui sur l'une des dents 42, 44 grâce à l'action du
ressort 50 associé.FIG. 8 represents the centrifugal clutch in the inactive position during the stopping of the
The
Le moteur 16, lorsqu'il est alimenté, possède un sens de démarrage aléatoire. En cas de
démarrage dans le sens trigonométrique (figure 9) , correspondant au sens souhaité, les
dents 42, 44 des moyens de butée 38 repoussent le cliquet 46 à l'encontre de la force
élastique du ressort 50, autorisant la rotation du rotor 26, et l'écartement radial des
masselottes 28, 30 contre la garniture 40 sous l'effet de la force centrifuge. La cloche 32
d'embrayage est alors entraínée en rotation, ainsi que le pignon 56 du réducteur de vitesse.
L'action de la lame 70 élastique sur la protubérance 52 de la cloche 32 permet une rotation
régulière de l'embrayage 26, et supprime toute vibration mécanique.
Lorsque le moteur 16 démarre dans le sens non souhaité (figure 10), l'une des dents 42, 44
du rotor 26 vient buter contre l'extrémité du cliquet 46. Il en résulte un choc mécanique qui
stoppe instantanément le rotor 26, et fait repartir le moteur 16 dans l'autre sens de rotation.The
When the
En fin de course de fermeture du disjoncteur s'opère l'excitation de l'électro-aimant 64
simultanément avec l'interruption de l'alimentation du moteur 16, provoquant l'arrêt de
l'embrayage 18 et du réducteur de vitesse.At the end of the circuit-breaker closing stroke, the
Claims (7)
- An remote control device for an electrical switchgear apparatus, in particular an electrical circuit breaker, comprising:characterized in that the clutch (18) comprises:a geared motor assembly (14) with an electric motor (16) associated to a speed reducer to drive transmission means between a closed position and an open position of the switchgear contacts,and a centrifugal clutch (18) arranged between the motor (16) and the speed reducer,a rotor (26) with counterweights (28, 30) forming the driving element equipped with a salient insert (36) of tubular shape in which the rotary spindle (24) of the motor (16) is fixed,a bell-housing (32) forming the driven element, that is separated from the rotor (26) by an annular gap, and comprising drive means operating in conjunction with the counterweights (28, 30) under the effect of the centrifugal force,and an axial protuberance (52) securedly affixed to the bell-housing (32) and having a blind hole (54) for overhanging housing of the insert (36) of the rotor (26), the external lateral surface of said protuberance (52) being provided with a pinion (56) commanding the speed reducer.
- The remote control device according to claim 1, characterized in that the drive means of the bell-housing (32) comprise a friction lining (40) fixed onto the internal lateral surface.
- The remote control device according to claim 1, characterized in that the external periphery of the bell-housing (32) is in the form of latching teeth (58) designed to operate in conjunction with locking means following stopping of the motor (16).
- The remote control device according to claim 1, characterized in that the rotor (26) is equipped with stop means (38) designed to operate in conjunction with a latch arm (46) to determine the starting direction of the motor (16).
- The remote control device according to claim 4, characterized in that the stop means (38) comprise at least one tooth (42, 44) arranged axially opposite the insert (36) and that the latch arm (46) is articulated on a spindle (48) being polarised by a spring (50) on said tooth.
- The remote control device according to claim 1, characterized in that the metal insert (36) of the rotor (26) made of plastic material is extended by a cylindrical rod (66) having a semi-spherical end (68) bearing on a flat bottom of the hole (54) in the inserted position of the rotor (26) in the bell-housing (32).
- The remote control device according to claim 6, characterized in that a polarising means (70), in particular in the form of a flexible elastic blade, urges the protuberance (52) against the rod (66) to eliminate any mechanical vibrations when rotation of the centrifugal clutch (18) takes place.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9603553A FR2746210B1 (en) | 1996-03-18 | 1996-03-18 | REMOTE CONTROL DEVICE WITH GEAR MOTOR EQUIPPED WITH A CENTRIFUGAL CLUTCH |
| FR9603553 | 1996-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0797230A1 EP0797230A1 (en) | 1997-09-24 |
| EP0797230B1 true EP0797230B1 (en) | 2002-06-05 |
Family
ID=9490416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19970410031 Expired - Lifetime EP0797230B1 (en) | 1996-03-18 | 1997-03-12 | Remote control with geared motor unit with a centrifugal clutch |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0797230B1 (en) |
| DE (1) | DE69712960T2 (en) |
| ES (1) | ES2176648T3 (en) |
| FR (1) | FR2746210B1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2348552C (en) * | 1998-11-10 | 2008-08-05 | Bruce Raymond Mackinnon | Actuator for remote operation of a circuit breaker |
| DE102010011997B4 (en) * | 2010-03-18 | 2023-02-02 | Siemens Aktiengesellschaft | Drive device for a tensioning shaft of a spring force drive of an electric switch and electric switch with such a drive device |
| CN104505275B (en) * | 2014-12-23 | 2017-09-29 | 苏州未来电器股份有限公司 | A kind of control device of switching mechanism |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH142573A (en) * | 1929-11-23 | 1930-09-30 | Sprecher & Schuh Ag | Motor drive for switchgear. |
| US3712438A (en) * | 1971-03-15 | 1973-01-23 | Emerson Electric Co | Centrifugal friction clutch |
| JPS5430316Y2 (en) * | 1976-01-13 | 1979-09-25 | ||
| FR2699733B1 (en) * | 1992-12-21 | 1995-03-17 | Merlin Gerin | Modular circuit breaker associated with a remote control unit. |
-
1996
- 1996-03-18 FR FR9603553A patent/FR2746210B1/en not_active Expired - Fee Related
-
1997
- 1997-03-12 EP EP19970410031 patent/EP0797230B1/en not_active Expired - Lifetime
- 1997-03-12 ES ES97410031T patent/ES2176648T3/en not_active Expired - Lifetime
- 1997-03-12 DE DE1997612960 patent/DE69712960T2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2746210A1 (en) | 1997-09-19 |
| DE69712960D1 (en) | 2002-07-11 |
| DE69712960T2 (en) | 2003-02-06 |
| ES2176648T3 (en) | 2002-12-01 |
| FR2746210B1 (en) | 1998-06-12 |
| EP0797230A1 (en) | 1997-09-24 |
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