CH317662A - Electrical system part with earth fault relay to protect the system part and with a stabilization device for the earth fault relay - Google Patents

Electrical system part with earth fault relay to protect the system part and with a stabilization device for the earth fault relay

Info

Publication number
CH317662A
CH317662A CH317662DA CH317662A CH 317662 A CH317662 A CH 317662A CH 317662D A CH317662D A CH 317662DA CH 317662 A CH317662 A CH 317662A
Authority
CH
Switzerland
Prior art keywords
earth fault
system part
fault relay
bearing
support
Prior art date
Application number
Other languages
German (de)
French (fr)
Inventor
Hermann Dipl Ing Neugebauer
Westphal Bruno
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 CH317662A publication Critical patent/CH317662A/en

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/28Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
    • H02H3/286Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus involving comparison of similar homopolar quantities

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rectifiers (AREA)
  • Electric Clocks (AREA)

Description

  

  



   Palier amortisseur de chocs pour mobile   d'horlonerie.   



   La présente invention a pour objet un palier amortisseur de chocs pour mobile d'horlogerie, dans lequel un ressort de rappel agit sur le corps de palier pour le maintenir en position centre, suivant la revendication du brevet principal; elle a donc pour objet un palier dans lequel ce ressort présente, en vue de sa fixation attenante au support de palier, une fourchette dont   l'extrémit    de chaque branche présente un téton d'articulation latéral, situé   cyans    le plan   gEné-    ral   du    ressort. ces tétons   s'engageant    dans deux creusures du support de palier dont les axes sont diriges sensiblement   perpendlculairement    à un diamitre dudit support.

   le tout de manière que ledit ressort soit articulé sur ledit support et ne   puis-    se s'en   séparer    de lui-même.



     I1    est à remarquer qu'on connaît des paliers amortisseurs de chocs équipés de ressort   présentant    deux fourchettes diamétralement oppo  suées,    chacune clu type décrit ci-dessus, mais   d4-    pourvues de tétons d'articulation, de sorte que ces ressorts ne sont pas articulés sur le support de palier mais accrochés   A    celui-ci de façon amo- vible. Dès lors, lorsque de tels ressorts sont décrochés, ils ne restent pas attenants au support de palier.



   Le palier suivant l'invention est caractérisé par le fait que lesdits tétons sont di  rigés    vers l'extérieur de ladite fourchette, la quelle est disposée dans un passage radial ménagé dans le support de   pal      i < r,    passage dont les parois latérales présentent   lesdites    creu  sur    dans lesquelles pénètrent les tétons, ces creusures étant conformées   de    façon que le ressort présentant la   fourchette    puisse être bascule autour   des    tétons tout en restant attenant au support du palier.



   Le dessin représente, à titre d'exemple, une forme d'exécution de l'objet de l'invention.



   La fig. 1 est une vue en plan d'un palier amortisseur de chocs pour mobile d'horlogerie, et
 La fig. 2   e    est une coupe suivant la ligne II-II de la fig. 1
 Le palier représenté comprend un sup- port 18 destiné   a      dtre    chassé dans la platine d'un mouvement d'horlogerie. Un corps de palier,   c o m p r e n a n t une pierre contre - pivot    19 et une pierre percée 20 entourée d'un cha ton 21, est logé à l'intérieur du support de palier 18, dans une creusure 22 de ce dernier. Le chaton 21 présente une surface frontale plane 23 prenant appui, lorsque le chaton est mal d'aplomb, sur un siège plan 24 constitué par le fond de la creusure 22, et une surface tronconique de centrage 25 coopérant avec une arête circulaire 26 que ménage un épaulement intérieur du support 18.

   La pierre contre-pivot 19 repose librement dans un siège 27 que présente le chaton 21. Elle est maintenue en place dans le chaton, et ce dernier est maintenu en position centrée dans le support 18 par un ressort de rappel 28.



   Ce ressort est monté sur le support 18 de façon attenante. A cet effet, il présente une fourchette dont les deux branches 28a présentent chacune, à leur extrémité, un téton 28b, dirigé vers l'extérieur de la fourchette. Cette dernière est logée dans une fraisure 29 ménagée dans la surface annulaire externe du support 18.



  Les faces latérales de la fraisure 29, situées en regard des tétons 28b de la fourchette du ressort, présentent chacune une creusure 30, en forme de gorge, dont le fond est en arc de cercle. Ces creusures 30 sont obtenues à l'aide de la   fraise meme    qui sert à l'obtention de la fraisure 29, et qui est profilée. 



   L'engagement des tétons 28b dans les creusures 30, par déformation élastique des branches 28a, produit un assemblage qui constitue une articulation du ressort sur le support 18 permettant de faire basculer le   ces    sort en vue du démontage du palier sans toutefois que le ressort puisse se séparer de   lui-mame    du support.



   Le ressort 28 présente en outre deux branches   28c    formant une seconde fourchette,   diamétralement    opposée à la première; ces branches prennent appui sur le contre-pivot 19. Une partie médiane 28d, constituant une base commune aux deux fourchettes du ressort, prend également appui sur le contre-pivot. Les extrémités des branches 28c, désignées par 28e,   s'accrochent    élastiquement au support 18. A cet effet, ce dernier présente, diamétralement opposée à la fraisure 29, une fraisure 31, qui peut aisément   entre    obtenue à l'aide de la   mbme      frai-    se que la fraisure 29, et dont les parois opposées présentent chacune une gorge 32.

   Les extrémités 28e du reesort   pénbtrent    élastiquement dans ces gorges et assurent ainsi la fixation du ressort; il suffit de pincer la fourchette   28c    pour dégager ces extrémités 28e des gorges 32 et libérer le ressort pour le faire basculer.




  



   Shock absorbing bearing for watchmaking mobile.



   The present invention relates to a shock-absorbing bearing for a timepiece mobile, in which a return spring acts on the bearing body to keep it in the center position, according to the claim of the main patent; its object therefore is a bearing in which this spring has, for its adjoining attachment to the bearing support, a fork whose end of each branch has a lateral articulation stud, located in the general plane of the spring . these studs engaging in two recesses of the bearing support, the axes of which are directed substantially perpendicularly to a diameter of said support.

   all in such a way that said spring is articulated on said support and cannot be separated from it by itself.



     It should be noted that shock absorbing bearings are known equipped with springs having two diametrically opposed forks, each of the type described above, but provided with articulation studs, so that these springs are not articulated on the bearing bracket but attached to it removably. Therefore, when such springs are unhooked, they do not remain attached to the bearing support.



   The bearing according to the invention is characterized by the fact that said studs are directed towards the outside of said fork, which is disposed in a radial passage formed in the support of the bearing, passage whose side walls have said hollow into which the studs penetrate, these recesses being shaped so that the spring having the fork can be tilted around the studs while remaining attached to the bearing support.



   The drawing represents, by way of example, an embodiment of the object of the invention.



   Fig. 1 is a plan view of a shock-absorbing bearing for a timepiece mobile, and
 Fig. 2 e is a section taken along line II-II of FIG. 1
 The bearing shown comprises a support 18 intended to be driven into the plate of a clockwork movement. A bearing body, c o m p r e n a n t a counter-pivot stone 19 and a drilled stone 20 surrounded by a chain 21, is housed inside the bearing support 18, in a recess 22 of the latter. The kitten 21 has a flat front surface 23 resting, when the kitten is not plumb, on a flat seat 24 formed by the bottom of the recess 22, and a frustoconical centering surface 25 cooperating with a circular ridge 26 that is provided an inner shoulder of the support 18.

   The counter-pivot stone 19 rests freely in a seat 27 presented by the kitten 21. It is held in place in the kitten, and the latter is held in a centered position in the support 18 by a return spring 28.



   This spring is mounted on the support 18 adjoining. To this end, it has a fork whose two branches 28a each have, at their end, a stud 28b, directed towards the outside of the fork. The latter is housed in a countersink 29 made in the outer annular surface of the support 18.



  The lateral faces of the countersink 29, located opposite the studs 28b of the fork of the spring, each have a recess 30, in the form of a groove, the bottom of which is in an arc of a circle. These recesses 30 are obtained using the same cutter which is used to obtain the countersink 29, and which is profiled.



   The engagement of the studs 28b in the recesses 30, by elastic deformation of the branches 28a, produces an assembly which constitutes an articulation of the spring on the support 18 making it possible to tilt these out with a view to disassembling the bearing without however the spring being able to tilt. separate himself from the support.



   The spring 28 also has two branches 28c forming a second fork, diametrically opposed to the first; these branches bear on the counter-pivot 19. A middle part 28d, constituting a base common to the two forks of the spring, also bears on the counter-pivot. The ends of the branches 28c, designated by 28e, hook elastically to the support 18. For this purpose, the latter has, diametrically opposed to the countersink 29, a countersink 31, which can easily be obtained using the same spawn. - is that the countersink 29, and whose opposite walls each have a groove 32.

   The 28th ends of the spring elastically penetrate these grooves and thus ensure the fixing of the spring; it suffices to pinch the fork 28c to release these ends 28e from the grooves 32 and release the spring to make it tilt.


 

Claims (1)

REVENDICATION: Palier amortisseur de chocs pour mobile d'horlogerie, suivant la revendication du brevet principal, caractérisé par le fait que lesdits tétons (28b) sont dirigés vers l'extérieur de ladite fourchette, laquelle est disposée dans un passage radial ménagé dans le support de palier, passage dont les parois latérales présentent lesdites creusures (30) dans lesquelles pénètrent les tétons, ces creusures étant conformées de façon que le ressort prdsentant la fourchette puisse µtrie basculé autour des tétons tout en restant attenant au support (18) du palier. CLAIM: Shock-absorbing bearing for a timepiece mobile, according to the claim of the main patent, characterized in that said studs (28b) are directed towards the outside of said fork, which is disposed in a radial passage formed in the bearing support , passage of which the side walls have said recesses (30) in which penetrate the studs, these recesses being shaped so that the spring presenting the fork can µtrie tilted around the studs while remaining attached to the support (18) of the bearing.
CH317662D 1952-09-17 1953-09-09 Electrical system part with earth fault relay to protect the system part and with a stabilization device for the earth fault relay CH317662A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE317662X 1952-09-17
DES30270A DE966610C (en) 1952-09-17 1952-09-18 Earth fault protection device for electrical system components, especially generators

Publications (1)

Publication Number Publication Date
CH317662A true CH317662A (en) 1956-11-30

Family

ID=61187882

Family Applications (1)

Application Number Title Priority Date Filing Date
CH317662D CH317662A (en) 1952-09-17 1953-09-09 Electrical system part with earth fault relay to protect the system part and with a stabilization device for the earth fault relay

Country Status (2)

Country Link
CH (1) CH317662A (en)
DE (1) DE966610C (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE670766C (en) * 1927-01-13 1939-01-25 Aeg Earth fault protection device
DE637989C (en) * 1933-03-21 1936-11-12 Bbc Brown Boveri & Cie Summation current transformer circuit for multi-phase systems
DE858715C (en) * 1950-12-31 1952-12-08 Licentia Gmbh Switch-on high-speed differential protection device for transformers and generators

Also Published As

Publication number Publication date
DE966610C (en) 1957-08-29

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