EP0708239A1 - Electrical starter motor for a motor vehicle internal combustion engine - Google Patents

Electrical starter motor for a motor vehicle internal combustion engine Download PDF

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Publication number
EP0708239A1
EP0708239A1 EP95116261A EP95116261A EP0708239A1 EP 0708239 A1 EP0708239 A1 EP 0708239A1 EP 95116261 A EP95116261 A EP 95116261A EP 95116261 A EP95116261 A EP 95116261A EP 0708239 A1 EP0708239 A1 EP 0708239A1
Authority
EP
European Patent Office
Prior art keywords
base plate
support
overmolding
articulation
starter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95116261A
Other languages
German (de)
French (fr)
Other versions
EP0708239B1 (en
Inventor
Marie-Aline Clerc-Roch
Robert Jacquet
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.)
Valeo Equipements Electriques Moteur SAS
Original Assignee
Valeo Equipements Electriques Moteur SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valeo Equipements Electriques Moteur SAS filed Critical Valeo Equipements Electriques Moteur SAS
Publication of EP0708239A1 publication Critical patent/EP0708239A1/en
Application granted granted Critical
Publication of EP0708239B1 publication Critical patent/EP0708239B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F02N15/043—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer
    • F02N15/046—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer of the planetary type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/13—Machine starters
    • Y10T74/131—Automatic
    • Y10T74/132—Separate power mesher
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/13—Machine starters
    • Y10T74/131—Automatic
    • Y10T74/137—Reduction gearing

Definitions

  • the present invention relates to a starter, in particular for a combustion engine of a motor vehicle.
  • the invention relates more particularly to a starter of the type described and shown in document FR-A-2,555,670 of the type comprising a base plate, generally produced in the form of a cut and stamped metal plate, serving as support for the housing.
  • a launcher controlled by a lever articulated on a support of the base plate produced by overmolding in plastic material
  • a reduction gear with planetary gear arranged between the motor and the launcher shaft and which has a toothed crown internally produced by plastic overmolding
  • the body of the lever articulation support and the body of the toothed crown each extend through at least one hole emerging from the base plate to ensure the anchoring of these components on the base plate and of the type in which the articulation support and the ring gear are produced simultaneously by overmolding.
  • the articulation support and the toothed crown constitute a single piece of plastic material and, during overmolding, the supply of the part of the mold used to produce the articulation support is made through the plate from the ring gear.
  • the holes emerging for the anchoring of the crown on the base plate consist of a series of a very large number of small cylindrical holes.
  • the pre-stresses which appear during overmolding cause, during demolding, a significant deformation of the ring gear of the planetary gear.
  • the present invention aims to propose a new design of an electric starter of the type mentioned above and which overcomes the drawbacks which have just been exposed.
  • the invention provides an electric starter characterized in that the articulation support and the ring gear are two separate components each produced by a separate supply from the overmolding mold.
  • FIG. 1 shows a starter 10 intended in particular to equip a combustion engine of a motor vehicle.
  • This starter is made in accordance with the teachings of document FR-A-2,555,670.
  • a base plate 12 which serves to support the body 14 of the starter contactor, a flange 16 of which is fitted into a circular hole 18 formed in the upper part of the plate 12.
  • the base plate 12 is also used for fixing the housing 20 of the electric starter motor 10, for example by means of screws 22 which are screwed into the housing 20 and which pass through the base plate 12 through holes 24 formed at the periphery from the bottom of the base plate 12.
  • the hole 18 in the upper part is also surrounded by holes 26 which allow the fixing of a cover 28 by means of screws 30.
  • the base plate 12 below the hole 18 for fixing the body 14 of the contactor, the base plate 12 according to the prior art has a circular through hole 32 through which extends a plastic stud 34 which is produced from material by overmolding with the body of a support 36 for the articulation of a lever 38 for controlling the launcher 40 on which the contactor 14 acts.
  • the circular hole 32 is slightly flared at 42 on the right side face 11 of the base plate to increase the phenomenon of anchoring of the support 36 by the molded tenon 34.
  • the base support plate 12 has a circular through hole 44 which receives, with the interposition of a bearing 46, the secondary shaft 48 of an epicyclic train 50 interposed between the motor 20 and the launcher 40 .
  • the planetary gear 50 also includes an internally toothed ring 52 which extends inside the motor housing 20 and which is produced by overmolding on the right side face 11 of the support plate 12.
  • a series of a very large number of small through holes 54 is provided, distributed in a circle around the central hole 44.
  • the plastic material for overmolding the crown 52 extends through the base plate 12 through the orifices 54 to pass through the plate and constitute as many anchoring studs for the crown 52.
  • the plastic which passes through the holes 54 also extends in the left lateral figure 13 of the base plate 12 to form an annular disc 56 for axial retention of the pad 46 and it extends on this same face upwards.
  • a connecting part 58 which allows the crown 52 and the support 36 to be produced simultaneously by overmolding by means of a single supply of plastic material to the overmolding mold which supplies the part of the mold for producing the toothed crown 52, then , indirectly through the holes 54, the part of the mold for producing the articulation support 36.
  • FIGS. 3 and 4 show the new design according to the invention of a base plate 12.
  • the through hole 32 for producing the pin 34 for anchoring the articulation support 36 is a hole of non-circular section, in this case a hole of oval section.
  • Each of the lights in an arc of a circle 60 extends over approximately a 90 ° angle and makes it possible to produce, by overmolding, four massive tenons 54 for anchoring the toothed crown 52.
  • the articulation support 36 and the ring gear 52 are produced in the form of separate elements, that is to say that there is no continuity of material plastic between these two components.
  • the overmolding mold for the production of a hinge support 36 and of the crown 52 which is not illustrated in FIG. 5, comprises two separate plastics supplies, the overmolding operation of the two elements being however always carried out simultaneously in a single mold.
  • the plastic material for overmolding the crown 52 which passes through the slots 60 to produce the anchoring studs 54 also extends on the left lateral face 13 of the base plate 12 to form an annular disc 56 which also increases the anchoring of the toothed crown 52.
  • the number of lights 60 distributed angularly in a regular manner is not a multiple of the number of satellites of the planetary gear 50 which, in the example illustrated, is equal to three.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Toys (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Gears, Cams (AREA)

Abstract

The electric starter motor includes a base plate (12) serving as a support for a thrower, controlled by a lever which is mounted on a hinge support (36) for the base plate (12). The support is formed by a moulding plastic material onto the base plate. The structure includes a ring (52) which is internally toothed and this also is made from a moulded plastic material. Both the ring and the hinged support may be formed simultaneously by the moulding process, although the two components are separate and use two distinct supplies of the plastic material during moulding.

Description

La présente invention concerne un démarreur, notamment pour un moteur à combustion de véhicule automobile.The present invention relates to a starter, in particular for a combustion engine of a motor vehicle.

L'invention concerne plus particulièrement un démarreur du type décrit et représenté dans le document FR-A-2.555.670 du type comportant une plaque de base, généralement réalisée sous la forme d'une plaque métallique découpée et matricée, servant de support au boîtier électrique et au corps d'un contacteur agencé parallèlement au moteur électrique, un lanceur commandé par un levier articulé sur un support de la plaque de base réalisé par surmoulage en matière plastique, et du type comportant un réducteur à train épicycloïdal agencé entre le moteur et l'arbre de lanceur et qui comporte une couronne dentée intérieurement réalisée par surmoulage en matière plastique, et du type dans lequel le corps du support d'articulation du levier et le corps de la couronne dentée s'étendent chacun à travers au moins un trou débouchant de la plaque de base pour assurer l'ancrage de ces composants sur la plaque de base et du type dans lequel le support d'articulation et la couronne dentée sont réalisés simultanément par surmoulage.The invention relates more particularly to a starter of the type described and shown in document FR-A-2,555,670 of the type comprising a base plate, generally produced in the form of a cut and stamped metal plate, serving as support for the housing. electric and to the body of a contactor arranged parallel to the electric motor, a launcher controlled by a lever articulated on a support of the base plate produced by overmolding in plastic material, and of the type comprising a reduction gear with planetary gear arranged between the motor and the launcher shaft and which has a toothed crown internally produced by plastic overmolding, and of the type in which the body of the lever articulation support and the body of the toothed crown each extend through at least one hole emerging from the base plate to ensure the anchoring of these components on the base plate and of the type in which the articulation support and the ring gear are produced simultaneously by overmolding.

Selon la conception de l'état de la technique décrite et représentée dans le document FR-A-2.555.670, le support d'articulation et la couronne dentée constituent une seule pièce en matière plastique et, lors du surmoulage, l'alimentation de la partie du moule servant à la réalisation du support d'articulation est effectuée à travers la plaque à partir de la couronne dentée.According to the design of the state of the art described and represented in the document FR-A-2,555,670, the articulation support and the toothed crown constitute a single piece of plastic material and, during overmolding, the supply of the part of the mold used to produce the articulation support is made through the plate from the ring gear.

Par ailleurs, les trous débouchant pour l'ancrage de la couronne sur la plaque de base sont constitués par une série d'un très grand nombre de petits trous cylindriques.Furthermore, the holes emerging for the anchoring of the crown on the base plate consist of a series of a very large number of small cylindrical holes.

Cette conception aboutit dans certains cas à un écoulement très irrégulier de la matière plastique lors de l'opération de surmoulage ce qui entraîne des écarts importants d'un point à l'autre de la pièce surmoulée qui provoque la formation de précontraintes dans la pièce, voire des défauts lors du moulage.This design results in certain cases in a very irregular flow of the plastic material during the overmolding operation, which results in significant deviations from one point to the other of the overmolded part which causes the formation of prestresses in the part, or even defects during molding.

Les précontraintes qui apparaissent lors du surmoulage provoquent, lors du démoulage, une déformation importante de la couronne dentée du train épicycloïdal.The pre-stresses which appear during overmolding cause, during demolding, a significant deformation of the ring gear of the planetary gear.

La présente invention a pour but de proposer une nouvelle conception d'un démarreur électrique du type mentionné précédemment et qui remédie aux inconvénients qui viennent d'être exposés.The present invention aims to propose a new design of an electric starter of the type mentioned above and which overcomes the drawbacks which have just been exposed.

Dans ce but, l'invention propose un démarreur électrique caractérisé en ce que le support d'articulation et la couronne dentée sont deux composants distincts réalisés chacun par une alimentation distincte du moule de surmoulage.For this purpose, the invention provides an electric starter characterized in that the articulation support and the ring gear are two separate components each produced by a separate supply from the overmolding mold.

Selon d'autres caractéristiques de l'invention :

  • le corps du support d'articulation se prolonge par un tenon d'ancrage qui s'étend à travers un trou débouchant unique de la plaque de base dont la section n'est pas circulaire ;
  • le corps annulaire de la couronne dentée s'étend à travers une série d'ouverture formées dans la plaque de base et réparties angulairement autour d'un trou pour le passage à travers la plaque de base d'un arbre du réducteur ;
  • il est prévu une série d'ouvertures réparties angulairement de manière régulière ;
  • chaque ouverture est une lumière en arc de cercle;
  • le nombre d'ouvertures n'est pas un multiple du nombre de satellites du réducteur à train épicycloïdal.
According to other characteristics of the invention:
  • the body of the articulation support is extended by an anchoring stud which extends through a single through hole of the base plate whose section is not circular;
  • the annular body of the ring gear extends through a series of openings formed in the base plate and distributed angularly around a hole for the passage through the base plate of a shaft of the reducer;
  • a series of openings is distributed angularly in a regular manner;
  • each opening is a light in an arc;
  • the number of openings is not a multiple of the number of planetary gearbox satellites.

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre pour la compréhension de laquelle on se reportera aux dessins annexés dans lesquels :

  • La figure 1 est une vue en section partielle par un plan passant par les axes du contacteur et du moteur d'une partie d'un démarreur de véhicule automobile selon l'état de la technique ;
  • la figure 2 est une vue latérale de droite, en considérant la figure 1, de la plaque de base du démarreur avant l'opération de surmoulage du support d'articulation et de la couronne dentée ;
  • la figure 3 est une vue similaire à celle de la figure 2 qui illustre une plaque de base réalisée conformément aux enseignements de l'invention ;
  • la figure 4 est une vue en section selon la ligne 4-4 de la figure 3 ;
  • la figure 5 est une vue similaire à celle de la figure 4 qui illustre la plaque de base selon l'invention après le surmoulage simultané du support d'articulation du levier et de la couronne dentée ;
  • la figure 6 est une vue latérale de gauche de la figure 5 et la figure 7 est une vue latérale de droite, avec arrachement partiel, de la figure 5.
Other characteristics and advantages of the invention will appear on reading the detailed description which follows for the understanding of which reference will be made to the appended drawings in which:
  • Figure 1 is a partial sectional view through a plane passing through the axes of the contactor and the motor of a part of a motor vehicle starter according to the prior art;
  • Figure 2 is a right side view, considering Figure 1, of the starter base plate before operation overmolding the articulation support and the toothed crown;
  • Figure 3 is a view similar to that of Figure 2 which illustrates a base plate produced in accordance with the teachings of the invention;
  • Figure 4 is a sectional view along line 4-4 of Figure 3;
  • Figure 5 is a view similar to that of Figure 4 which illustrates the base plate according to the invention after the simultaneous overmolding of the articulation support of the lever and of the toothed crown;
  • FIG. 6 is a left side view of FIG. 5 and FIG. 7 is a right side view, partially broken away, of FIG. 5.

On a représenté sur la figure 1 un démarreur 10 destiné à équiper notamment un moteur à combustion de véhicule automobile.FIG. 1 shows a starter 10 intended in particular to equip a combustion engine of a motor vehicle.

Ce démarreur est réalisé conformément aux enseignements du document FR-A-2.555.670.This starter is made in accordance with the teachings of document FR-A-2,555,670.

Il comporte une plaque de base 12 qui sert de support au corps 14 du contacteur du démarreur dont une collerette 16 est emboîtée dans un trou circulaire 18 formé dans la partie supérieure de la plaque 12.It comprises a base plate 12 which serves to support the body 14 of the starter contactor, a flange 16 of which is fitted into a circular hole 18 formed in the upper part of the plate 12.

La plaque de base 12 sert également à la fixation du boîtier 20 du moteur électrique du démarreur 10, par exemple au moyen de vis 22 qui sont vissées dans le boîtier 20 et qui traversent la plaque de base 12 par des trous 24 formés à la périphérie de la partie inférieure de la plaque de base 12.The base plate 12 is also used for fixing the housing 20 of the electric starter motor 10, for example by means of screws 22 which are screwed into the housing 20 and which pass through the base plate 12 through holes 24 formed at the periphery from the bottom of the base plate 12.

Le trou 18 de la partie supérieure est également entouré par des trous 26 qui permettent la fixation d'un couvercle 28 au moyen de vis 30.The hole 18 in the upper part is also surrounded by holes 26 which allow the fixing of a cover 28 by means of screws 30.

En dessous du trou 18 pour la fixation du corps 14 du contacteur, la plaque de base 12 selon l'état de la technique comporte un trou débouchant circulaire 32 à travers lequel s'étend un tenon en matière plastique 34 qui est réalisé venu de matière par surmoulage avec le corps d'un support 36 pour l'articulation d'un levier 38 de commande du lanceur 40 sur lequel agit le contacteur 14.Below the hole 18 for fixing the body 14 of the contactor, the base plate 12 according to the prior art has a circular through hole 32 through which extends a plastic stud 34 which is produced from material by overmolding with the body of a support 36 for the articulation of a lever 38 for controlling the launcher 40 on which the contactor 14 acts.

Le trou circulaire 32 est légèrement évasé en 42 sur la face latérale de droite 11 de la plaque de base pour accroître le phénomène d'ancrage du support 36 par le tenon surmoulé 34.The circular hole 32 is slightly flared at 42 on the right side face 11 of the base plate to increase the phenomenon of anchoring of the support 36 by the molded tenon 34.

Au centre de sa partie inférieure, la plaque support de base 12 comporte un trou débouchant circulaire 44 qui reçoit, avec interposition d'un coussinet 46, l'arbre secondaire 48 d'un train épicycloïdal 50 interposé entre le moteur 20 et le lanceur 40.In the center of its lower part, the base support plate 12 has a circular through hole 44 which receives, with the interposition of a bearing 46, the secondary shaft 48 of an epicyclic train 50 interposed between the motor 20 and the launcher 40 .

Le train épicycloïdal 50 comporte également une couronne dentée intérieurement 52 qui s'étend à l'intérieur du boîtier du moteur 20 et qui est réalisé par surmoulage sur la face latérale de droite 11 de la plaque-support 12.The planetary gear 50 also includes an internally toothed ring 52 which extends inside the motor housing 20 and which is produced by overmolding on the right side face 11 of the support plate 12.

Pour l'ancrage de la couronne 52 il est prévu une série d'un très grand nombre de petits orifices débouchants 54 répartis en cercle autour du trou central 44.For the anchoring of the crown 52, a series of a very large number of small through holes 54 is provided, distributed in a circle around the central hole 44.

La matière plastique de surmoulage de la couronne 52 s'étend à travers le plaque de base 12 par les orifices 54 pour passer à travers la plaque et constituer autant de tenons d'ancrage de la couronne 52.The plastic material for overmolding the crown 52 extends through the base plate 12 through the orifices 54 to pass through the plate and constitute as many anchoring studs for the crown 52.

La matière plastique qui passe à travers les trous 54 s'étend également sur la figure latérale de gauche 13 de la plaque de base 12 pour constituer un disque annulaire 56 de retenue axiale du coussinet 46 et elle se prolonge sur cette même face vers le haut par une partie de liaison 58 qui permet de réaliser simultanément par surmoulage la couronne 52 et le support 36 au moyen d'une seule alimentation en matière plastique du moule de surmoulage qui alimente la partie du moule pour la réalisation de la couronne dentée 52, puis, indirectement à travers les trous 54, la partie du moule pour la réalisation du support d'articulation 36.The plastic which passes through the holes 54 also extends in the left lateral figure 13 of the base plate 12 to form an annular disc 56 for axial retention of the pad 46 and it extends on this same face upwards. by a connecting part 58 which allows the crown 52 and the support 36 to be produced simultaneously by overmolding by means of a single supply of plastic material to the overmolding mold which supplies the part of the mold for producing the toothed crown 52, then , indirectly through the holes 54, the part of the mold for producing the articulation support 36.

On a représenté aux figures 3 et 4 la nouvelle conception selon l'invention d'une plaque de base 12.FIGS. 3 and 4 show the new design according to the invention of a base plate 12.

Sur ces figures, des éléments identiques ou similaires à ceux illustrés aux figures 1 et 2 sont désignés par les mêmes chiffres de référence.In these figures, elements identical or similar to those illustrated in Figures 1 and 2 are designated by the same reference numerals.

Comme on peut le voir sur les figures 3 et 4, le trou débouchant 32 pour la réalisation du tenon 34 d'ancrage du support d'articulation 36 est un trou de section non circulaire, en l'occurrence un trou de section ovale.As can be seen in FIGS. 3 and 4, the through hole 32 for producing the pin 34 for anchoring the articulation support 36 is a hole of non-circular section, in this case a hole of oval section.

A la partie inférieure de la plaque de base 12, et autour du trou central 44, il est prévu quatre lumières débouchantes 60 réparties angulairement de manière régulière autour du trou central 44.At the lower part of the base plate 12, and around the central hole 44, four through-holes 60 are provided, distributed angularly in a regular manner around the central hole 44.

Chacune des lumières en arc de cercle 60 s'étend sur environ 90° d'angle et permet de réaliser par surmoulage quatre tenons massifs 54 pour l'ancrage de la couronne dentée 52.Each of the lights in an arc of a circle 60 extends over approximately a 90 ° angle and makes it possible to produce, by overmolding, four massive tenons 54 for anchoring the toothed crown 52.

Comme on peut le voir sur la figure 5, le support d'articulation 36 et la couronne dentée 52 sont réalisés sous la forme d'éléments distincts, c'est-à-dire qu'il n'y a pas de continuité de matière plastique entre ces deux composants.As can be seen in FIG. 5, the articulation support 36 and the ring gear 52 are produced in the form of separate elements, that is to say that there is no continuity of material plastic between these two components.

A cet effet, le moule de surmoulage pour la réalisation d'un support d'articulation 36 et de la couronne 52, qui n'est pas illustré sur la figure 5, comporte deux alimentations distinctes en matière plastique, l'opération de surmoulage des deux éléments étant toutefois toujours réalisée simultanément dans un moule unique.To this end, the overmolding mold for the production of a hinge support 36 and of the crown 52, which is not illustrated in FIG. 5, comprises two separate plastics supplies, the overmolding operation of the two elements being however always carried out simultaneously in a single mold.

Du fait de la section non circulaire du trou 32 pour le passage du tenon 34 d'ancrage du support d'articulation 36, ce dernier ne peut pas tourner autour de son axe principal.Due to the non-circular section of the hole 32 for the passage of the pin 34 for anchoring the articulation support 36, the latter cannot rotate around its main axis.

La matière plastique de surmoulage de la couronne 52 qui passe à travers les lumières 60 pour réaliser les tenons d'ancrage 54 s'étend également sur la face latérale de gauche 13 de la plaque de base 12 pour constituer un disque annulaire 56 qui accroît également l'ancrage de la couronne dentée 52.The plastic material for overmolding the crown 52 which passes through the slots 60 to produce the anchoring studs 54 also extends on the left lateral face 13 of the base plate 12 to form an annular disc 56 which also increases the anchoring of the toothed crown 52.

De préférence, le nombre des lumières 60 réparties angulairement de manière régulière n'est pas un multiple du nombre des satellites du train épicycloïdal 50 qui, dans l'exemple illustré, est égal à trois.Preferably, the number of lights 60 distributed angularly in a regular manner is not a multiple of the number of satellites of the planetary gear 50 which, in the example illustrated, is equal to three.

Claims (6)

Démarreur électrique (10), notamment pour un moteur de combustion de véhicule automobile, du type comportant une plaque de base (12) servant de support au boîtier (20) d'un moteur électrique et au corps (14) d'un contacteur agencé parallèlement au moteur électrique, un lanceur (40) commandé par un levier (38) monté articulé sur un support (36) de la plaque de base (12) réalisé par surmoulage en matière plastique, du type comportant un réducteur (50) à train épicycloïdal agencé entre le moteur (20) et l'arbre du lanceur (40) et qui comporte une couronne dentée intérieurement (52) réalisée par surmoulage en matière plastique, du type dans lequel le corps du support (36) d'articulation du levier (38) et le corps de la couronne dentée (52) s'étendent chacun à travers au moins un trou débouchant (32, 60) de la plaque de base (12) pour assurer l'ancrage de ces composants sur la plaque de base (12), et du type dans lequel le support d'articulation (36) et la couronne dentée (52) sont réalisés simultanément par surmoulage, caractérisé en ce que le support d'articulation (36) et la couronne dentée (52) sont deux composants distincts réalisés chacun par une alimentation distincte du moule de surmoulage.Electric starter (10), in particular for a combustion engine of a motor vehicle, of the type comprising a base plate (12) serving to support the housing (20) of an electric motor and the body (14) of an arranged contactor parallel to the electric motor, a launcher (40) controlled by a lever (38) mounted articulated on a support (36) of the base plate (12) produced by overmolding in plastic material, of the type comprising a gear reducer (50) planetary gear arranged between the motor (20) and the starter shaft (40) and which comprises an internally toothed ring (52) produced by overmolding in plastic material, of the type in which the body of the support (36) of articulation of the lever (38) and the body of the ring gear (52) each extend through at least one through hole (32, 60) of the base plate (12) to ensure the anchoring of these components on the base plate (12), and of the type in which the articulation support (36) and the crown not toothed (52) are produced simultaneously by overmolding, characterized in that the articulation support (36) and the ring gear (52) are two separate components each produced by a separate supply from the overmolding mold. Démarreur selon la revendication 1, caractérisé en ce que le corps du support d'articulation (36) se prolonge par un tenon d'ancrage (34) qui s'étend à travers un trou débouchant unique (32) de la plaque de base (12) dont la section n'est pas circulaire.Starter according to claim 1, characterized in that the body of the articulation support (36) is extended by an anchoring stud (34) which extends through a single through hole (32) in the base plate ( 12) whose section is not circular. Démarreur selon l'une des revendications 1 ou 2, caractérisé en ce que le corps annulaire de la couronne dentée (52) s'étend à travers une série d'ouvertures (60) formées dans la plaque de base (12) et réparties angulairement autour d'un trou (44) pour le passage à travers la plaque de base (12) d'un arbre du réducteur (50).Starter according to one of claims 1 or 2, characterized in that the annular body of the ring gear (52) extends through a series of openings (60) formed in the base plate (12) and angularly distributed around a hole (44) for passage through the base plate (12) of a reduction gear shaft (50). Démarreur selon la revendication 3, caractérisé en ce qu'il est prévu une série d'ouvertures (60) réparties angulairement de manière régulière.Starter according to claim 3, characterized in that there is provided a series of openings (60) distributed angularly in a regular manner. Démarreur selon l'une des revendications 3 ou 4, caractérisé en ce que chaque ouverture (60) est une lumière en arc de cercle.Starter according to one of claims 3 or 4, characterized in that each opening (60) is a light in an arc. Démarreur selon l'une quelconque des revendications 3 à 4, caractérisé en ce que le nombre d'ouvertures (60) n'est pas un multiple du nombre de satellites du réducteur à train épicycloïdal (50).Starter according to any one of Claims 3 to 4, characterized in that the number of openings (60) is not a multiple of the number of planetary planetary gearbox satellites (50).
EP95116261A 1994-10-18 1995-10-16 Electrical starter motor for a motor vehicle internal combustion engine Expired - Lifetime EP0708239B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9412513 1994-10-18
FR9412513A FR2725758B1 (en) 1994-10-18 1994-10-18 ELECTRIC STARTER FOR A MOTOR VEHICLE COMBUSTION ENGINE

Publications (2)

Publication Number Publication Date
EP0708239A1 true EP0708239A1 (en) 1996-04-24
EP0708239B1 EP0708239B1 (en) 1998-09-02

Family

ID=9468027

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95116261A Expired - Lifetime EP0708239B1 (en) 1994-10-18 1995-10-16 Electrical starter motor for a motor vehicle internal combustion engine

Country Status (7)

Country Link
US (1) US5718147A (en)
EP (1) EP0708239B1 (en)
CN (1) CN1073210C (en)
BR (1) BR9504398A (en)
DE (1) DE69504450T2 (en)
ES (1) ES2124485T3 (en)
FR (1) FR2725758B1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2770589A1 (en) * 1997-11-04 1999-05-07 Bosch Gmbh Robert STARTING DEVICE FOR INTERNAL COMBUSTION ENGINES
US6134977A (en) * 1996-06-22 2000-10-24 Robert Bosch Gmbh Starter for internal combustion engines
FR3049985A1 (en) * 2016-04-08 2017-10-13 Valeo Equip Electr Moteur MOTOR VEHICLE THERMAL MOTOR STARTER PROVIDED WITH A BASE PLATE COMPRISING A SIPPER
WO2017178759A1 (en) * 2016-04-13 2017-10-19 Valeo Equipements Electriques Moteur Motor vehicle heat engine starter with a self-centring reduction gear ring
EP3440339B1 (en) * 2016-04-08 2024-03-06 Valeo Equipements Electriques Moteur Starter for heat engine of a motor vehicle provided with a base plate having optimised configuration

Families Citing this family (9)

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Publication number Priority date Publication date Assignee Title
FR2829814B1 (en) * 2001-09-14 2003-12-19 Valeo Equip Electr Moteur GEARBOX WITH EPICYCLOIDAL TRAIN IN PARTICULAR FOR A MOTOR VEHICLE STARTER AND STARTER EQUIPPED WITH SUCH A REDUCER
FR2829812B1 (en) 2001-09-14 2003-12-19 Valeo Equip Electr Moteur GEARBOX WITH EPICYCLOIDAL TRAIN IN PARTICULAR FOR A MOTOR VEHICLE STARTER AND STARTER EQUIPPED WITH SUCH A REDUCER
FR2863017B1 (en) * 2003-11-28 2007-12-21 Valeo Equip Electr Moteur MOTOR VEHICLE STARTER WITH REDUCER COMPRISING ARTICLES OF ARTICULATION OF THE CONTROL LEVER
FR2863015B1 (en) * 2003-11-28 2007-10-05 Valeo Equip Electr Moteur MOTOR VEHICLE STARTER WITH REDUCER EQUIPPED WITH CAPITAL ROTATION MECHANISM DEVICES
FR2873170B1 (en) 2004-06-29 2009-01-09 Valeo Equip Electr Moteur STARTER, IN PARTICULAR OF A MOTOR VEHICLE, EQUIPPED WITH FRICTION FREE WHEEL LAUNCHER
JP4380595B2 (en) * 2005-05-31 2009-12-09 株式会社デンソー Starter
FR2978500B1 (en) 2011-07-26 2015-03-13 Valeo Equip Electr Moteur LAUNCHER MOBILE ASSEMBLY - GEAR CONTROL LEVER WITH A STARTING CROWN OF A THERMAL MOTOR AND STARTER OF A THERMAL MOTOR COMPRISING SUCH AN ASSEMBLY
FR2978501B1 (en) 2011-07-26 2016-03-18 Valeo Equip Electr Moteur FRICTION FRICTION LAUNCHER WITH A STARTING CROWN OF A THERMAL MOTOR AND STARTER OF A THERMAL MOTOR COMPRISING SUCH A LAUNCHER
FR3013396A1 (en) 2013-11-21 2015-05-22 Valeo Equip Electr Moteur STARTER MOTOR THERMAL MOTOR STARTER LAUNCHER AND STARTER COMPRISING SUCH LAUNCHER

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FR2410148A2 (en) * 1976-12-22 1979-06-22 Paris & Du Rhone Intermediate washer for IC engine starter motor - has pressed out lips around central cone to locate mating parts
EP0098992A2 (en) * 1982-07-10 1984-01-25 Robert Bosch Gmbh Starter for an internal-combustion engine
FR2555670A1 (en) 1983-11-30 1985-05-31 Paris & Du Rhone ELECTRIC STARTER COMPRISING A BASE PLATE SUPPORTING THE CARCASE OF ITS ELECTRIC MOTOR AND THE HEAD OF ITS CONTACTOR

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DE3100869A1 (en) * 1981-01-14 1982-08-12 Robert Bosch Gmbh, 7000 Stuttgart "TURNING DEVICE FOR INTERNAL COMBUSTION ENGINES"
JP2774733B2 (en) * 1992-03-30 1998-07-09 三菱電機株式会社 Shift lever support device for starting motor
DE4302854C1 (en) * 1993-02-02 1994-06-09 Bosch Gmbh Robert Starting device for IC engine - has starter motor and free run coupling with spring accumulator for damping thrust-form torque variations
JP2950118B2 (en) * 1993-10-25 1999-09-20 株式会社デンソー Starter with planetary gear reduction mechanism

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2410148A2 (en) * 1976-12-22 1979-06-22 Paris & Du Rhone Intermediate washer for IC engine starter motor - has pressed out lips around central cone to locate mating parts
EP0098992A2 (en) * 1982-07-10 1984-01-25 Robert Bosch Gmbh Starter for an internal-combustion engine
FR2555670A1 (en) 1983-11-30 1985-05-31 Paris & Du Rhone ELECTRIC STARTER COMPRISING A BASE PLATE SUPPORTING THE CARCASE OF ITS ELECTRIC MOTOR AND THE HEAD OF ITS CONTACTOR

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6134977A (en) * 1996-06-22 2000-10-24 Robert Bosch Gmbh Starter for internal combustion engines
FR2770589A1 (en) * 1997-11-04 1999-05-07 Bosch Gmbh Robert STARTING DEVICE FOR INTERNAL COMBUSTION ENGINES
FR3049985A1 (en) * 2016-04-08 2017-10-13 Valeo Equip Electr Moteur MOTOR VEHICLE THERMAL MOTOR STARTER PROVIDED WITH A BASE PLATE COMPRISING A SIPPER
EP3440339B1 (en) * 2016-04-08 2024-03-06 Valeo Equipements Electriques Moteur Starter for heat engine of a motor vehicle provided with a base plate having optimised configuration
WO2017178759A1 (en) * 2016-04-13 2017-10-19 Valeo Equipements Electriques Moteur Motor vehicle heat engine starter with a self-centring reduction gear ring
FR3050240A1 (en) * 2016-04-13 2017-10-20 Valeo Equip Electr Moteur MOTOR VEHICLE MOTOR MOTOR STARTER PROVIDED WITH A REDUCER CROWN FOR CENTERING

Also Published As

Publication number Publication date
FR2725758A1 (en) 1996-04-19
EP0708239B1 (en) 1998-09-02
CN1130720A (en) 1996-09-11
ES2124485T3 (en) 1999-02-01
DE69504450D1 (en) 1998-10-08
CN1073210C (en) 2001-10-17
FR2725758B1 (en) 1997-01-10
US5718147A (en) 1998-02-17
BR9504398A (en) 1997-09-02
DE69504450T2 (en) 1999-01-14

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