FR2841060A1 - Compact variable speed electric motor has brush carrying plate and speed variation module with controlled switches which connect motor terminal to supply either directly or through a resistor - Google Patents

Compact variable speed electric motor has brush carrying plate and speed variation module with controlled switches which connect motor terminal to supply either directly or through a resistor Download PDF

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Publication number
FR2841060A1
FR2841060A1 FR0207517A FR0207517A FR2841060A1 FR 2841060 A1 FR2841060 A1 FR 2841060A1 FR 0207517 A FR0207517 A FR 0207517A FR 0207517 A FR0207517 A FR 0207517A FR 2841060 A1 FR2841060 A1 FR 2841060A1
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FR
France
Prior art keywords
electric motor
variable speed
control switch
speed electric
supply
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
FR0207517A
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French (fr)
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FR2841060B1 (en
Inventor
Florence Lanoix
Luc Perrin
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.)
Faurecia Industries SAS
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Faurecia Industries SAS
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Publication date
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Priority to FR0207517A priority Critical patent/FR2841060B1/en
Publication of FR2841060A1 publication Critical patent/FR2841060A1/en
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Publication of FR2841060B1 publication Critical patent/FR2841060B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/66—Structural association with auxiliary electric devices influencing the characteristic of, or controlling, the machine, e.g. with impedances or switches
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
    • H02P7/288—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using variable impedance

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)

Abstract

The brush carrying plate (2) has a first switch (4) which connects the supply terminal to the motor directly and a second switch (5) which makes the connection through a resistor (7). The switches which give two different motor speeds are located immediately adjacent to the brush carrying plate on a printed circuit (13) with control connections (21) to the vehicle calculator.

Description

-85, 90-95, 120-125, 130-135) associe a une diode connectee en parallele-85, 90-95, 120-125, 130-135) associated with a diode connected in parallel

et en inverse.and vice versa.

1 28410601 2841060

L'invention concerne un dispositif de moteur electrique a vitesse variable compact. En particulier, I'invention concerne un dispositif de moteur electrique a vitesse variable compact dans lequel la variation de vitesse est generee par chute resistive. Par exemple le module de regulation de vitesse comprend un premier interrupteur controle monte entre la borne + de l'alimentation du moteur et le moteur, et, en parallele audit premier interrupteur controle, au moins un deuxieme interrupteur controle en serie  The invention relates to a compact variable speed electric motor device. In particular, the invention relates to a compact variable speed electric motor device in which the speed variation is generated by resistive drop. For example, the speed control module comprises a first control switch mounted between the + terminal of the motor supply and the motor, and, in parallel with said first control switch, at least a second control switch in series

avec une resistance de moins de 1 Ohm.  with a resistance of less than 1 Ohm.

Si le premier interrupteur est commande en fermeture et le deuxieme interrupteur est commande en ouverture, alors le moteur est alimente a  If the first switch is commanded to close and the second switch is commanded to open, then the motor is powered at

pleine tension, le moteur a une vitesse de rotation V1 donnee.  at full voltage, the motor has a given speed of rotation V1.

Si le premier interrupteur est commande en ouverture et le deuxieme interrupteur est commande en fermeture, alors le moteur est alimente a travers la resistance inferieure a 1 Ohm, la tension d'alimentation du moteur  If the first switch is controlled in opening and the second switch is controlled in closing, then the motor is supplied through the resistance lower than 1 Ohm, the supply voltage of the motor

chute, et la vitesse de rotation V2 du moteur est inferieure a la vitesse V1.  fall, and the speed of rotation V2 of the motor is lower than the speed V1.

Ce type de dispositif de moteur electrique a vitesse variable est utilise dans les groupes moto-ventilateur de refroidissement des fluides moteurs d'un vehicule automobile. Le calculateur du moteur thermique du vehicule automobile genere en sortie des signaux de commande des interrupteurs en fonction de parametre d'entree concernant le moteur thermique. Ainsi le caiculateur peut gerer la vitesse de rotation du moto ventilateur en fonction de la demande de refroidissement du moteur thermique. Dans les dispositifs de moteur electrique a vitesse variable existent dans les groupes moto-ventilateur de vehicule automobile, le module de regulation de vitesse est. en tout ou partie, deporte par rapport au moteur lui meme. Un but de la presente invention est de proposer un dispositif de moteur electrique a vitesse variable tel que decrit ci-dessus mais qui  This type of variable speed electric motor device is used in motor-fan groups for cooling the motor fluids of a motor vehicle. The heat engine computer of the motor vehicle generated at the output of the switch control signals as a function of input parameter relating to the heat engine. Thus the caiculator can manage the speed of rotation of the fan motor as a function of the cooling engine cooling demand. In variable speed electric motor devices available in motor vehicle fan-motor units, the speed control module is. in whole or in part, offset from the engine itself. An object of the present invention is to provide a variable speed electric motor device as described above but which

presenterait une compacite amelioree, par rapport a l'art anterieur.  would present an improved compactness, compared to the prior art.

Un autre but de la presente invention est de proposer un dispositif de moteur electrique a vitesse variable ayant une securite thermique auto reamorsable. A ces effees, I'invention concerne un dispositif de moteur electrique a vitesse variable, comprenant:  Another object of the present invention is to provide a variable speed electric motor device having a self-stabilizing thermal safety. To these ends, the invention relates to a variable speed electric motor device, comprising:

2 28410602 2841060

un moteur electrique du type a collecteurs et balais comprenant une plaque porte balais, et un module de variation de vitesse comprenant: - un premier interrupteur controle monte entre une borne d'alimentation du moteur et le moteur, et - en parallele audit premier interrupteur controle, un deuxieme interrupteur controle en serie avec une resistance, ladite  an electric motor of the type with collectors and brushes comprising a brush holder plate, and a speed variation module comprising: - a first control switch mounted between a power supply terminal of the motor and the motor, and - in parallel with said first control switch , a second switch controlled in series with a resistor, said

resistance etant disposee sur la plaque porte balais.  resistance being placed on the brush holder plate.

Selon ['invention, le premier interrupteur controle et le deuxieme interrupteur controle vent disposes a proximite immediate de la plaque porte balais. Dans un mode de realisation de ['invention, la plaque porte balais comprend un circuit imprime peripherique rapporte sur lequel vent disposes le premier interrupteur controle et le deuxieme interrupteur controle ainsi que les pistes conductrices assurant la connexion desdits interrupteurs controles  According to the invention, the first control switch and the second wind control switch arranged in close proximity to the brush holder plate. In one embodiment of the invention, the brush holder plate includes an attached peripheral printed circuit on which the first control switch and the second control switch are arranged, as well as the conductive tracks ensuring the connection of said control switches.

et les pistes de commande desdits interrupteurs.  and the control tracks of said switches.

Dans un autre mode de realisation, la plaque porte balais comprend un circuit imprime assurant a la fois: -la disposition, la connexion et l'alimentation des balais, et -la disposition, la connexion et l'alimentation du module de variation  In another embodiment, the brush holder plate includes a printed circuit ensuring both: -the arrangement, connection and supply of the brushes, and -the arrangement, connection and supply of the dimming module

de vitesse.of speed.

Selon une autre caracteristique de ['invention, le module de variation de vitesse comprend une securite thermique disposee a proximite immediate  According to another characteristic of the invention, the speed variation module comprises a thermal safety device located in the immediate vicinity

de la resistance.resistance.

Selon un mode de realisation, la securite thermique est de type bi lame. En particulier, la securite thermique bi-lame peut etre montee en  According to one embodiment, thermal security is of the double-blade type. In particular, the two-blade thermal safety can be mounted in

serie avec ['entree de commande du deuxieme interrupteur controle.  series with the control input of the second controlled switch.

Un premier avantage de la presente invention resulte de la compacite du dispositif selon la presente invention. En effet, au contraire de l'art anterieur, dans le dispositif selon la presente invention, I'ensemble du module de regulation de vitesse est rapporte sur le moteur, au lieu d'etre tout  A first advantage of the present invention results from the compactness of the device according to the present invention. Indeed, unlike the prior art, in the device according to the present invention, the entire speed control module is attached to the engine, instead of being all

ou partie deporte.or part of the door.

Un autre avantage decoulant du precedent est la possibilite d'integrer une securite thermique bi-lame sur le fils de commande de  Another advantage deriving from the previous one is the possibility of integrating a two-blade thermal safety on the control wire of

l'interrupteur controle, la source thermique etant la resistance.  the control switch, the thermal source being the resistance.

3 28410603 2841060

D'autres avantages et caracteristiques de la presente invention  Other advantages and characteristics of the present invention

resulteront de la description qui va suivre en reference aux dessins annexes  will result from the description which follows with reference to the accompanying drawings

dans lesquels: La figure 1 est une representation schematique fonctionnelle d'un dispositif selon ['invention. La figure 2 est une representation schematique partielle d'un mode  in which: FIG. 1 is a functional schematic representation of a device according to the invention. Figure 2 is a partial schematic representation of a mode

de realisation d'un dispositif selon ['invention.  for making a device according to the invention.

L'invention concerne un dispositif de moteur electrique a vitesse variable, comprenant un moteur electrique 1 du type a coliecteurs et balais dont seule la plaque porte balais 2 est representee sur la figure 2. Ce type de moteur electrique est largement connu de l'art anterieur, et ne sera done pas  The invention relates to a variable speed electric motor device, comprising an electric motor 1 of the collector and brush type, of which only the brush holder plate 2 is shown in FIG. 2. This type of electric motor is widely known in the art earlier, and therefore will not be

decrit ici.described here.

Le dispositif de moteur electrique a vitesse variable comprend en outre un module de variation de vitesse 3 comprenant - un premier interrupteur contr61e 4 monte entre une borne d'alimentation 6 du moteur 1 et le moteur 1, et - en parallele audit premier interrupteur contrdie 4, un deuxieme interrupteur contrdie 5 en serie avec une resistance 7, ladite  The variable speed electric motor device further comprises a speed variation module 3 comprising - a first controlled switch 4 mounted between a power supply terminal 6 of the motor 1 and the motor 1, and - in parallel with said first controlled switch 4 , a second controlled switch 5 in series with a resistor 7, said

resistance 7 etant disposee sur la plaque porte balais 2.  resistance 7 being placed on the brush holder plate 2.

La figure 1 illustre le montage classique de ce type de dispositif de  Figure 1 illustrates the conventional arrangement of this type of device.

moteur electrique a vitesse variable.  variable speed electric motor.

Ce type de dispositif de moteur electrique a vitesse variable est utilise dans les groupes moto-ventilateur de refroidissement des fluides moteurs d'un vehicule automobile. Le calculateur 8 du moteur thermique du vehicuie automobile genere en sortie, via des lignes 9, des signaux de commande des interrupteurs 4, 5 en fonction de parametre d'entree 10 concernant le moteur thermique. Ainsi le calculateur 10 peut gerer la vitesse de rotation du moto-ventilateur 11 en fonction de la demande de  This type of variable speed electric motor device is used in motor-fan groups for cooling the motor fluids of a motor vehicle. The computer 8 of the heat engine of the motor vehicle generates, via lines 9, control signals for the switches 4, 5 as a function of input parameter 10 relating to the heat engine. Thus, the computer 10 can manage the speed of rotation of the motor-fan 11 as a function of the demand for

refroidissement du moteur thermique.  cooling of the heat engine.

Dans un mode de realisation de ['invention represente en figure 2, la plaque porte balais 2 comprend d'une part la platine porte balais 12 et d'autre part un circuit imprime peripherique 13 rapporte sur lequel vent disposes le premier interrupteur contrbie 4 et le deuxieme interrupteur contr61e 5 ainsi que les pistes conductrices 20 assurant la connexion desdits interrupteurs contrOles 4 et 5, les lignes 9 sous forme de pistes, et le connecteur de  In one embodiment of the invention represented in FIG. 2, the brush holder plate 2 comprises on the one hand the brush holder plate 12 and on the other hand a peripheral printed circuit 13 on which the first counterbalanced switch 4 are arranged and the second control switch 5 as well as the conductive tracks 20 ensuring the connection of said control switches 4 and 5, the lines 9 in the form of tracks, and the connector

commande 21 desdits interrupteurs 4 et 5.  control 21 of said switches 4 and 5.

Avantageusement, la resistance 7 est position nee a proxi mite immediate de la culasse 31 du moteur de telle maniere que la culasse 31 puisse servir de dissipateur thermique a la resistance 7 Dans un autre mode de realisation non represente, la plaque porte balais comprendrait un circuit imprime assurant a la fois: -la disposition, la connexion et l'alimentation des balais 30, et -la disposition, la connexion et l'alimentation du module de variation  Advantageously, the resistor 7 is positioned close to the cylinder head 31 of the engine so that the cylinder head 31 can serve as a heat sink for the resistor 7 In another embodiment, not shown, the brush holder plate would include a circuit prints ensuring both: -the arrangement, connection and supply of the brushes 30, and -the arrangement, connection and supply of the dimming module

de vitesse.of speed.

Selon une autre caracteristique de ['invention, le module de variation de vitesse comprend une securite thermique 40 disposee a proximite  According to another characteristic of the invention, the speed variation module comprises a thermal safety device 40 located nearby

immediate de la resistance 7.immediate resistance 7.

Selon un mode de realisation, la securite thermique 40 est de type bilame. En particulier, la secu rite thermique bi-lame 40 peut etre montee en  According to one embodiment, thermal safety 40 is of the bimetallic strip type. In particular, the dual-blade thermal safety 40 can be mounted in

serie avec ['entree de commande du deuxieme interrupteur contr61e 5.  series with the control input of the second controlled switch 5.

De ce fait, une surchauffe de la resistance engendre l'ouverture du bilame, coupant de ce fait la ligne de commande 9 du deuxieme interrupteur contr61e 5. Celui ci n'etant plus commande, passe en position ouverte. Le moteu r 1 s'arrete, et, d u fait ['augmentation de ch al eu r d es flu id es d u moteu r thermique le calculateur 8 commande le premier interrupteur contrOle 4 en  Therefore, an overheating of the resistance generates the opening of the bimetallic strip, thereby cutting the control line 9 of the second controlled switch 5. The latter being no longer controlled, goes into the open position. The motor 1 stops, and, due to the increase in heat of the thermal motors, the computer 8 commands the first control switch 4 by

fermeture pour une vitesse maximale.  closing for maximum speed.

La resistance refroidissant, le bi-lame se referme, et le deuxieme  The cooling resistance, the bi-blade closes, and the second

interrupteur contrGie 5 est a nouveau pret a l'emploi.  control switch 5 is again ready for use.

28410602841060

Claims (6)

REVENDICATIONS 1. Dispositif de moteur electrique a vitesse variable, comprenant: - un moteur electrique (1) du type a collecteurs et balais comprenant une plaque porte balais (2), et - un module de variation de vitesse (3) comprenant: - un premier interrupteur controle (4) monte entre la borne + de l'alimentation du moteur et le moteur, et - en parallele audit premier interrupteur controle, un deuxieme interrupteur controle (5) en serie avec une resistance (7), ladite resistance etant disposee sur la plaque porte balais, caracterise en ce que le premier interrupteur controle et le deuxieme interrupteur controle vent disposes a proximite immediate de la plaque  1. A variable speed electric motor device, comprising: - an electric motor (1) of the type with collectors and brushes comprising a brush holder plate (2), and - a speed variation module (3) comprising: - a first control switch (4) mounted between the + terminal of the motor supply and the motor, and - in parallel to said first control switch, a second control switch (5) in series with a resistor (7), said resistor being arranged on the brush holder plate, characterized in that the first control switch and the second wind control switch arranged in the immediate vicinity of the plate porte balais (2).brush holder (2). 2. Dispositif de moteur electrique a vitesse variable selon la revendication 1 caracterise en ce que la plaque porte balais comprend un circuit imprime peripherique rapporte (13) sur lequel vent disposes le premier  2. A variable speed electric motor device according to claim 1 characterized in that the brush holder plate comprises an attached peripheral printed circuit (13) on which the wind is arranged first. interrupteur controle et le deuxieme interrupteur controle.  control switch and the second control switch. 3. Dispositif de moteur electrique a vitesse variable selon la revendication 1 caracterise en ce que la plaque porte balais comprend un circuit imprime assurant a la fois: -la disposition, la connexion et l'alimentation des balais, et -la disposition, la connexion et l'alimentation du module de variation  3. A variable speed electric motor device according to claim 1 characterized in that the brush holder plate comprises a printed circuit ensuring both: -the arrangement, the connection and the supply of the brushes, and -the arrangement, the connection and the supply of the dimming module de vitesse.of speed. 4. Dispositif de moteur electrique a vitesse variable selon l'une  4. Variable speed electric motor device according to one quelconque des revendications 1 a 3 caracterise en ce que le module  any of claims 1 to 3 characterized in that the module de variation de vitesse (3) comprend une securite thermique disposee a  of speed variation (3) includes a thermal safety arranged to proximite immediate de la resistance (7).  immediate proximity of the resistance (7). 5. Dispositif de moteur electrique a vitesse variable selon l'une  5. Variable speed electric motor device according to one quelconque des revendications 1 a 4 caracterise en ce que la securite  any of claims 1 to 4 characterized in that security thermique est de type bi-lame.thermal is of the bi-blade type. 6. Dispositif de moteur electrique a vitesse variable selon la revendication caracterise en ce que la securite thermique bi-lame est montee en  6. Variable speed electric motor device according to claim characterized in that the thermal safety double-blade is mounted in
FR0207517A 2002-06-18 2002-06-18 COMPACT VARIABLE SPEED ELECTRIC MOTOR DEVICE Expired - Lifetime FR2841060B1 (en)

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Application Number Priority Date Filing Date Title
FR0207517A FR2841060B1 (en) 2002-06-18 2002-06-18 COMPACT VARIABLE SPEED ELECTRIC MOTOR DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0207517A FR2841060B1 (en) 2002-06-18 2002-06-18 COMPACT VARIABLE SPEED ELECTRIC MOTOR DEVICE

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FR2841060B1 FR2841060B1 (en) 2004-09-17

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010145867A1 (en) * 2009-06-18 2010-12-23 Robert Bosch Gmbh Electric machine and adjustment drive
WO2011000618A1 (en) * 2009-07-01 2011-01-06 Robert Bosch Gmbh Modular brush holder, component kit, electric machine and hydraulic unit
FR2959463A1 (en) * 2010-04-30 2011-11-04 Valeo Sys Controle Moteur Sas Electric current supplying device for motor fan unit of motor vehicle, has assembling unit assuring relative pre-positioning of brush-holder plate and support with respect to each other during assembling of plate on support
ITTO20100802A1 (en) * 2010-10-01 2012-04-02 Gate Srl BRUSH HOLDER FOR AN ELECTRIC MANIFOLD WITH A COLLECTOR, IN PARTICULAR FOR A CURRENT CONTUNUE MOTOR

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4362512A (en) * 1980-09-25 1982-12-07 Outboard Marine Corporation Electric outboard motor construction
DE3513155A1 (en) * 1985-04-12 1986-10-23 Licentia Gmbh Drive motor for an apparatus
US4900966A (en) * 1987-09-11 1990-02-13 Siemens Aktiengesellschaft Protection switch for vehicle dc window motor
EP0474904A1 (en) * 1990-09-12 1992-03-18 Siemens Aktiengesellschaft Gear drive assembly for a commutator motor, in particular window raising drive for an automotive vehicle, and method for its manufacture
US5243247A (en) * 1991-06-27 1993-09-07 Licentia Patent-Verwaltungs-Gmbh Brush bridge assembly for a permanent-magnet d.c. motor
EP1075076A1 (en) * 1999-07-30 2001-02-07 Ecia Industrie Brush holder plate for an electric motor, method for producing this plate and module for a motor fan unit using such plate
GB2356979A (en) * 1999-10-18 2001-06-06 Gate Spa Power switch on brush-holder unit
DE10034011A1 (en) * 2000-07-13 2002-01-31 Temic Auto Electr Motors Gmbh Permanent magnet motor, especially as drive motor for motor vehicle radiator fans, has permanent magnet aperture into which free end of cylindrical segment series resistance protrudes

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4362512A (en) * 1980-09-25 1982-12-07 Outboard Marine Corporation Electric outboard motor construction
DE3513155A1 (en) * 1985-04-12 1986-10-23 Licentia Gmbh Drive motor for an apparatus
US4900966A (en) * 1987-09-11 1990-02-13 Siemens Aktiengesellschaft Protection switch for vehicle dc window motor
EP0474904A1 (en) * 1990-09-12 1992-03-18 Siemens Aktiengesellschaft Gear drive assembly for a commutator motor, in particular window raising drive for an automotive vehicle, and method for its manufacture
US5243247A (en) * 1991-06-27 1993-09-07 Licentia Patent-Verwaltungs-Gmbh Brush bridge assembly for a permanent-magnet d.c. motor
EP1075076A1 (en) * 1999-07-30 2001-02-07 Ecia Industrie Brush holder plate for an electric motor, method for producing this plate and module for a motor fan unit using such plate
GB2356979A (en) * 1999-10-18 2001-06-06 Gate Spa Power switch on brush-holder unit
DE10034011A1 (en) * 2000-07-13 2002-01-31 Temic Auto Electr Motors Gmbh Permanent magnet motor, especially as drive motor for motor vehicle radiator fans, has permanent magnet aperture into which free end of cylindrical segment series resistance protrudes

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010145867A1 (en) * 2009-06-18 2010-12-23 Robert Bosch Gmbh Electric machine and adjustment drive
WO2011000618A1 (en) * 2009-07-01 2011-01-06 Robert Bosch Gmbh Modular brush holder, component kit, electric machine and hydraulic unit
FR2959463A1 (en) * 2010-04-30 2011-11-04 Valeo Sys Controle Moteur Sas Electric current supplying device for motor fan unit of motor vehicle, has assembling unit assuring relative pre-positioning of brush-holder plate and support with respect to each other during assembling of plate on support
EP2383869A3 (en) * 2010-04-30 2014-02-19 Valeo Systemes De Controle Moteur Electric fan unit
ITTO20100802A1 (en) * 2010-10-01 2012-04-02 Gate Srl BRUSH HOLDER FOR AN ELECTRIC MANIFOLD WITH A COLLECTOR, IN PARTICULAR FOR A CURRENT CONTUNUE MOTOR

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