FR2748436A1 - Electric motor and gearing assembly for motor vehicle windscreen wipers - Google Patents

Electric motor and gearing assembly for motor vehicle windscreen wipers Download PDF

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Publication number
FR2748436A1
FR2748436A1 FR9605695A FR9605695A FR2748436A1 FR 2748436 A1 FR2748436 A1 FR 2748436A1 FR 9605695 A FR9605695 A FR 9605695A FR 9605695 A FR9605695 A FR 9605695A FR 2748436 A1 FR2748436 A1 FR 2748436A1
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FR
France
Prior art keywords
motor
casing
shaft
ring
outer ring
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
FR9605695A
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French (fr)
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FR2748436B1 (en
Inventor
Xavier Savy
Alain Migne
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 Systemes dEssuyage SAS
Original Assignee
Valeo Systemes dEssuyage SAS
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Filing date
Publication date
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Priority to FR9605695A priority Critical patent/FR2748436B1/en
Publication of FR2748436A1 publication Critical patent/FR2748436A1/en
Application granted granted Critical
Publication of FR2748436B1 publication Critical patent/FR2748436B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/081—Structural association with bearings specially adapted for worm gear drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/16—Means for transmitting drive
    • B60S1/166—Means for transmitting drive characterised by the combination of a motor-reduction unit and a mechanism for converting rotary into oscillatory movement
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/042—Housings for rolling element bearings for rotary movement
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • F16H2057/0213—Support of worm gear shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
    • H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The motor and reducing gear for the windscreen wipers of a vehicle comprises a casing and a mechanism transforming the motor movement into the reciprocal wiper movement mounted within the casing. This is attached to a motor (2) which offers an output shaft (6). The shaft is supported in a bearing which consists of an inner ring (12) fixed to the shaft and an outer ring (14). An element (8) of the casing and an element (3) of the motor each act on the outer ring in opposed axial directions in order to retain it in position. This element of the motor which offers support to the bearing ring may be brush carrying plate of the motor. The brush carrying plate may be retained between the casing of the motor and the frame of the mechanism which transforms the movement.

Description

L'invention concerne les motoréducteurs pour essuieglace de véhicule automobile. The invention relates to geared motors for windscreen wipers for motor vehicles.

On connaît d'après le document FR-A-2 418 975 un motoréducteur comportant un carter, un mécanisme de transformation de mouvement logé dans le carter, et un moteur fixé au carter et dont l'arbre constitue l'arbre d'entrée du motoréducteur. L'arbre d'entrée est immobilisé en translation suivant son axe par des butées disposées à ses extrémités: L'une des extrémités est bloquée par une rondelle métallique fixée au carter. L'autre extrémité est bloquée par une vis de réglage venant en appui contre cette extrémité, la vis étant vissée dans le boîtier du moteur pour permettre d'adapter sa position axiale. Le montage de ce type de dispositif est relativement long. Document FR-A-2 418 975 discloses a geared motor comprising a housing, a movement transformation mechanism housed in the housing, and a motor fixed to the housing and the shaft of which constitutes the input shaft of the gear motor. The input shaft is immobilized in translation along its axis by stops arranged at its ends: One of the ends is blocked by a metal washer fixed to the casing. The other end is blocked by an adjustment screw coming to bear against this end, the screw being screwed into the motor housing to allow its axial position to be adjusted. The assembly of this type of device is relatively long.

Un but de l'invention est de fournir un motoréducteur dans lequel l'arbre d'entrée est bloqué en translation sans butées disposées à ses extrémités. An object of the invention is to provide a geared motor in which the input shaft is locked in translation without stops arranged at its ends.

En vue de la réalisation de ce but, on prévoit selon l'invention un motoréducteur pour essuie-glace de véhicule automobile, comportant un carter, un mécanisme de transformation de mouvement logé dans le carter, et un moteur fixé au carter et présentant un arbre, le motoréducteur comportant en outre un roulement comprenant une bague interne fixée à l'arbre et une bague externe, un élément du carter et un élément du moteur étant en appui contre la bague externe suivant la direction axiale de part et d'autre de la bague externe. In order to achieve this goal, there is provided according to the invention a geared motor for a windscreen wiper of a motor vehicle, comprising a housing, a movement transformation mechanism housed in the housing, and a motor fixed to the housing and having a shaft. , the gearmotor further comprising a bearing comprising an internal ring fixed to the shaft and an external ring, an element of the casing and an element of the motor being in abutment against the external ring in the axial direction on either side of the outer ring.

Ainsi, la bague externe est serrée entre l'élément du carter et l'élément du moteur. Les éléments de roulement disposés entre les bagues externe et interne bloquent les bagues relativement l'une à l'autre en translation suivant l'axe. il s'ensuit que l'arbre est immobilisé en translation sans recours à des butées d'extrémité. Thus, the outer ring is clamped between the housing element and the motor element. The rolling elements arranged between the outer and inner rings block the rings relatively to each other in translation along the axis. it follows that the shaft is immobilized in translation without recourse to end stops.

D'autres caractéristiques et avantages de l'invention apparaîtront encore à la lecture de la description suivante d'un mode de réalisation préféré donné à titre d'exemple non-limitatif. Aux dessins annexés - la figure 1 est une vue en perspective éclatée d'un motoréducteur selon l'invention - la figure 2 est une vue en coupe suivant le plan II-II du motoréducteur de la figure 1 - la figure 3 est une vue à échelle agrandie du détail D de la figure 2 - la figure 4 est une vue en perspective de la platine de la figure 1 ; et - la figure 5 est une vue en perspective d'une variante de réalisation de la platine. Other characteristics and advantages of the invention will become apparent on reading the following description of a preferred embodiment given by way of non-limiting example. In the accompanying drawings - Figure 1 is an exploded perspective view of a geared motor according to the invention - Figure 2 is a sectional view along the plane II-II of the geared motor of Figure 1 - Figure 3 is a view of enlarged scale of detail D in Figure 2 - Figure 4 is a perspective view of the plate of Figure 1; and - Figure 5 is a perspective view of an alternative embodiment of the plate.

En référence aux figures 1 et 2, le motoréducteur pour essuie-glace de véhicule automobile comporte un moteur 2 à courant continu. Ce moteur comprend une carcasse 4 de forme générale cylindrique, une plaque 5 obturant la carcasse à une extrémité, une platine porte-balai 3 en matière plastique, généralement plane et présentant un évidement circulaire central, un induit 9, un arbre d'induit 6 d'axe 7, et un collecteur 11. La plaque 5 présente un renfoncement s'étendant en saillie de sa face externe et dans lequel est logée une bague de guidage. Une extrémité de l'arbre 6 est enfilée dans cette bague de sorte que la bague assure le positionnement radial de cette extrémité de l'arbre. La platine 3 obture la carcasse à son autre extrémité. With reference to FIGS. 1 and 2, the motor reducer for a motor vehicle windscreen wiper comprises a direct current motor 2. This motor comprises a carcass 4 of generally cylindrical shape, a plate 5 closing off the carcass at one end, a brush-holder plate 3 of plastic material, generally planar and having a central circular recess, an armature 9, an armature shaft 6 axis 7, and a manifold 11. The plate 5 has a recess extending projecting from its outer face and in which is housed a guide ring. One end of the shaft 6 is threaded into this ring so that the ring ensures the radial positioning of this end of the shaft. The plate 3 closes the carcass at its other end.

Le motoréducteur comporte également un carter comprenant un socle 8 fermé par un couvercle non représenté, et un arbre de sortie non représenté destiné à être relié au balai d'essuie-glace. L'arbre 6 constitue un arbre d'entrée pour le motoréducteur. Le motoréducteur comporte un mécanisme de transformation de mouvement, classique et non représenté, transformant le mouvement rotatif uniforme de l'arbre d'entrée 6 en un mouvement rotatif alternatif de l'arbre de sortie. A cet effet, un tronçon de l'arbre d'entrée est fileté et engrène avec le mécanisme de transformation de mouvement. The gearmotor also includes a casing comprising a base 8 closed by a cover not shown, and an output shaft not shown intended to be connected to the wiper blade. The shaft 6 constitutes an input shaft for the geared motor. The gearmotor includes a movement transformation mechanism, conventional and not shown, transforming the uniform rotary movement of the input shaft 6 into an alternating rotary movement of the output shaft. To this end, a section of the input shaft is threaded and meshes with the movement transformation mechanism.

Le moteur 2 est fixé au socle au moyen de deux vis traversant des alésages d'une bordure de la carcasse et vissées dans le socle. La platine 3 est serrée entre la bordure de la carcasse 4 et le socle 8, la platine étant traversée par les vis de fixation de la carcasse au socle. The motor 2 is fixed to the base by means of two screws passing through bores of an edge of the carcass and screwed into the base. The plate 3 is clamped between the edge of the carcass 4 and the base 8, the plate being traversed by the screws for fixing the carcass to the base.

En référence aux figures 2 et 3, le motoréducteur comporte en outre un roulement comprenant classiquement une bague interne 12, une bague externe 14 et des billes 16 interposées entre les deux bagues. Ces bagues ont une forme générale cylindrique, sont concentriques et présentent chacune sur leurs faces en regard une gorge définissant un chemin de roulement pour les billes. La bague interne 12 est fixée à l'arbre 6 en regard de la platine 3, la bague étant montée serrée sur l'arbre. Referring to Figures 2 and 3, the gearmotor further comprises a bearing conventionally comprising an inner ring 12, an outer ring 14 and balls 16 interposed between the two rings. These rings have a generally cylindrical shape, are concentric and each have on their opposite faces a groove defining a raceway for the balls. The inner ring 12 is fixed to the shaft 6 opposite the plate 3, the ring being mounted tight on the shaft.

Le socle présente un épaulement annulaire 17 d'axe 7 orienté en direction de la platine. Cet épaulement définit un logement présentant une face latérale cylindrique et un fond. La bague externe 14 est reçue dans ce logement. La paroi cylindrique du logement est en contact avec une face externe de la bague, et le fond du logement est en appui suivant la direction axiale contre une première face d'extrémité de la bague. The base has an annular shoulder 17 of axis 7 oriented in the direction of the plate. This shoulder defines a housing having a cylindrical side face and a bottom. The outer ring 14 is received in this housing. The cylindrical wall of the housing is in contact with an external face of the ring, and the bottom of the housing is pressed in the axial direction against a first end face of the ring.

En référence aux figures 3 et 4, la platine 3 présente au bord de l'évidement un bourrelet annulaire 18 d'axe 7 s'étendant en saillie de la platine, en direction du roulement. Ce bourrelet présente un sommet plan par lequel il est en appui suivant la direction axiale contre une deuxième face d'extrémité de la bague externe 14, opposée à la première face. Ainsi, le socle 8 et la platine 3 sont en appui contre la bague externe 14 suivant la direction axiale 7 en sens opposés, de part et d'autre de la bague externe. La bague est serrée entre eux suivant la direction axiale. Les billes 16 bloquent les bagues externe et interne relativement l'une à l'autre en translation suivant l'axe. Il s'ensuit que l'arbre 6 est immobilisé en translation suivant l'axe 7 par rapport aux autres parties du motoréducteur. With reference to FIGS. 3 and 4, the plate 3 has, at the edge of the recess, an annular bead 18 of axis 7 extending projecting from the plate, in the direction of the bearing. This bead has a flat top by which it bears in the axial direction against a second end face of the outer ring 14, opposite the first face. Thus, the base 8 and the plate 3 are in abutment against the outer ring 14 in the axial direction 7 in opposite directions, on either side of the outer ring. The ring is clamped together in the axial direction. The balls 16 block the outer and inner rings relatively to one another in translation along the axis. It follows that the shaft 6 is immobilized in translation along the axis 7 relative to the other parts of the geared motor.

En référence à la figure 5, selon une variante de réalisation, la platine 3 présente une dizaine de reliefs constitués par des plots 20 régulièrement répartis au bord de l'évidement, s'étendant en saillie de la platine en direction du roulement et inclinés en direction de l'arbre. Ces plots ont une forme allongée et sont élastiquement déformables. Ils viennent en appui contre la deuxième face d'extrémité de la bague externe 14 en remplaçant le bourrelet sur la figure 3. Lors du montage, ils se fléchissent élastiquement de façon plus ou moins prononcée les uns par rapport aux autres. Les plots permettent de rattraper les jeux de montage et de fonctionnement du motoréducteur. Referring to Figure 5, according to an alternative embodiment, the plate 3 has a dozen reliefs formed by studs 20 regularly distributed at the edge of the recess, projecting from the plate in the direction of the rolling and inclined in direction of the tree. These pads have an elongated shape and are elastically deformable. They bear against the second end face of the outer ring 14 by replacing the bead in FIG. 3. During assembly, they flex elastically in a more or less pronounced manner with respect to each other. The studs make it possible to make up for the mounting and operating clearances of the gearmotor.

Bien entendu, on pourra apporter à l'invention de nombreuses modifications sans sortir du cadre de celle-ci. Of course, many modifications can be made to the invention without departing from the scope thereof.

Ainsi, suivant le type de carter ou de moteur, le carter pourra être en appui sur la bague externe par un élément autre que le socle, et le moteur pourra être en appui sur la bague externe par un élément autre que la platine. L'épaulement annulaire pourra être défini sur l'élément du moteur, et le bourrelet ou les reliefs pourront être définis sur l'élément du carter. Les reliefs pourront avoir une forme et une orientation différentes de celles précitées.  Thus, depending on the type of casing or motor, the casing may be supported on the outer ring by an element other than the base, and the motor may be supported on the outer ring by an element other than the plate. The annular shoulder can be defined on the element of the engine, and the bead or the reliefs can be defined on the element of the casing. The reliefs may have a shape and an orientation different from those mentioned above.

Claims (8)

REVENDICATIONS 1. Motoréducteur pour essuie-glace de véhicule automobile, comportant un carter, un mécanisme de transformation de mouvement logé dans le carter, et un moteur (2) fixé au carter et présentant un arbre (6), caractérisé en ce qu'il comporte en outre un roulement comprenant une bague interne (12) fixée à l'arbre et une bague externe (14), un élément (8) du carter et un élément (3) du moteur étant en appui contre la bague externe suivant la direction axiale de part et d'autre de la bague externe. 1. Gear motor for windscreen wipers of a motor vehicle, comprising a casing, a movement transformation mechanism housed in the casing, and a motor (2) fixed to the casing and having a shaft (6), characterized in that it comprises furthermore a bearing comprising an internal ring (12) fixed to the shaft and an external ring (14), an element (8) of the casing and an element (3) of the motor being in abutment against the external ring in the axial direction on either side of the outer ring. 2. Motoréducteur selon la revendication 1, caractérisé en ce que l'élément du carter est un socle (8). 2. Geared motor according to claim 1, characterized in that the element of the casing is a base (8). 3. Motoréducteur selon la revendication 1 ou 2, caractérisé en ce que l'élément du moteur est une platine porte-balais (3). 3. Geared motor according to claim 1 or 2, characterized in that the element of the motor is a brush holder plate (3). 4. Motoréducteur selon la revendication 3, caractérisé en ce que la platine est serrée entre une carcasse (4) du moteur et le carter. 4. Gear motor according to claim 3, characterized in that the plate is clamped between a carcass (4) of the motor and the casing. 5. Motoréducteur selon l'une des revendications 1 à 4, caractérisé en ce que l'un des deux éléments présente un épaulement annulaire (17) dans lequel est reçue la bague externe. 5. Gear motor according to one of claims 1 to 4, characterized in that one of the two elements has an annular shoulder (17) in which is received the outer ring. 6. Motoréducteur selon l'une des revendications 1 à 5, caractérisé en ce que l'un des deux éléments présente un bourrelet annulaire (18) venant en appui contre la bague externe. 6. Geared motor according to one of claims 1 to 5, characterized in that one of the two elements has an annular bead (18) bearing against the outer ring. 7. Motoréducteur selon l'une des revendications 1 à 5, caractérisé en ce que l'un des deux éléments présente des reliefs (20) élastiquement déformables venant en appui contre la bague externe. 7. Gear motor according to one of claims 1 to 5, characterized in that one of the two elements has reliefs (20) elastically deformable coming to bear against the outer ring. 8. Motoréducteur selon la revendication 7, caractérisé en ce que les reliefs comportent des plots inclinés en direction de l'arbre.  8. Geared motor according to claim 7, characterized in that the reliefs include pads inclined towards the shaft.
FR9605695A 1996-05-07 1996-05-07 MOTOR REDUCER FOR WINDSCREEN WIPER WITHOUT SHAFT LOCKING STOP Expired - Fee Related FR2748436B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9605695A FR2748436B1 (en) 1996-05-07 1996-05-07 MOTOR REDUCER FOR WINDSCREEN WIPER WITHOUT SHAFT LOCKING STOP

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Application Number Priority Date Filing Date Title
FR9605695A FR2748436B1 (en) 1996-05-07 1996-05-07 MOTOR REDUCER FOR WINDSCREEN WIPER WITHOUT SHAFT LOCKING STOP

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FR2748436A1 true FR2748436A1 (en) 1997-11-14
FR2748436B1 FR2748436B1 (en) 1998-07-31

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000007281A1 (en) * 1998-07-30 2000-02-10 Robert Bosch Gmbh Electric drive unit
WO2000013295A1 (en) * 1998-08-29 2000-03-09 Robert Bosch Gmbh Electric drive unit
FR2788323A1 (en) * 1999-01-11 2000-07-13 Valeo Systemes Dessuyage MOTOR REDUCER FOR WINDSHIELD WIPER OF A MOTOR VEHICLE WITH BASE AND CARCASE
EP1099608A3 (en) * 1999-11-11 2003-04-16 Mitsuba Corporation Water-drop proof structure for wiper motor apparatus
EP1365171A2 (en) * 2002-05-20 2003-11-26 Irmaos Barros, S.A. Worm gear transmission for cement mixer
DE102008030738A1 (en) * 2008-06-27 2009-12-31 Valeo Systèmes d'Essuyage Electromotive auxiliary drive for vehicles
EP3421304A1 (en) * 2017-06-29 2019-01-02 Valeo Autosystemy SP. Z.O.O. A gasket for a wiper system, a gasket-bracket assembly for a wiper system comprising such a gasket, a wiper system for an automotive vehicle comprising such a gasket and a method for assembling such a gasket in a wiper system

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Publication number Priority date Publication date Assignee Title
GB1462153A (en) * 1974-05-16 1977-01-19 Siemens Ag Electrical machines
US4364615A (en) * 1980-09-08 1982-12-21 The Bendix Corporation Retaining ring
DE3644128A1 (en) * 1986-12-23 1988-07-07 Swf Auto Electric Gmbh Small (miniature) electric motor
US5015897A (en) * 1989-01-11 1991-05-14 Jidosha Denki Kogyo K.K. Geared electric motor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1462153A (en) * 1974-05-16 1977-01-19 Siemens Ag Electrical machines
US4364615A (en) * 1980-09-08 1982-12-21 The Bendix Corporation Retaining ring
DE3644128A1 (en) * 1986-12-23 1988-07-07 Swf Auto Electric Gmbh Small (miniature) electric motor
US5015897A (en) * 1989-01-11 1991-05-14 Jidosha Denki Kogyo K.K. Geared electric motor

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000007281A1 (en) * 1998-07-30 2000-02-10 Robert Bosch Gmbh Electric drive unit
WO2000013295A1 (en) * 1998-08-29 2000-03-09 Robert Bosch Gmbh Electric drive unit
FR2788323A1 (en) * 1999-01-11 2000-07-13 Valeo Systemes Dessuyage MOTOR REDUCER FOR WINDSHIELD WIPER OF A MOTOR VEHICLE WITH BASE AND CARCASE
WO2000041921A1 (en) * 1999-01-11 2000-07-20 Valeo Systemes D'essuyage Motor vehicle wiper gear motor with base and core
US6810769B1 (en) 1999-01-11 2004-11-02 Valeo Systemes D'essuyage Motor vehicle wiper gear motor with base and core
EP1099608A3 (en) * 1999-11-11 2003-04-16 Mitsuba Corporation Water-drop proof structure for wiper motor apparatus
EP1365171A2 (en) * 2002-05-20 2003-11-26 Irmaos Barros, S.A. Worm gear transmission for cement mixer
EP1365171A3 (en) * 2002-05-20 2004-09-29 Irmaos Barros, S.A. Worm gear transmission for cement mixer
DE102008030738A1 (en) * 2008-06-27 2009-12-31 Valeo Systèmes d'Essuyage Electromotive auxiliary drive for vehicles
EP3421304A1 (en) * 2017-06-29 2019-01-02 Valeo Autosystemy SP. Z.O.O. A gasket for a wiper system, a gasket-bracket assembly for a wiper system comprising such a gasket, a wiper system for an automotive vehicle comprising such a gasket and a method for assembling such a gasket in a wiper system
CN109204236A (en) * 2017-06-29 2019-01-15 法雷奥自动系统公司 The washer of wiper system and the method that the washer is assembled in wiper system
US11035467B2 (en) 2017-06-29 2021-06-15 Valeo Autosystemy Sp. Z O.O. Gasket for a wiper system, a gasket-bracket assembly for a wiper system comprising such a gasket, a wiper system for an automotive vehicle comprising such a gasket and a method for assembling such a gasket in a wiper system

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