WO2019072825A1 - Moteur électrique ainsi que module ventilateur de refroidissement - Google Patents

Moteur électrique ainsi que module ventilateur de refroidissement Download PDF

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Publication number
WO2019072825A1
WO2019072825A1 PCT/EP2018/077441 EP2018077441W WO2019072825A1 WO 2019072825 A1 WO2019072825 A1 WO 2019072825A1 EP 2018077441 W EP2018077441 W EP 2018077441W WO 2019072825 A1 WO2019072825 A1 WO 2019072825A1
Authority
WO
WIPO (PCT)
Prior art keywords
cover
electric motor
channel
opening
electronics compartment
Prior art date
Application number
PCT/EP2018/077441
Other languages
German (de)
English (en)
Inventor
Martin Pfister
Patrick Mai
Rainer Schoele
Antje Findeisen
Original Assignee
Brose Fahrzeugteile Gmbh & Co Kommanditgesellscahft, Würzburg
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 Brose Fahrzeugteile Gmbh & Co Kommanditgesellscahft, Würzburg filed Critical Brose Fahrzeugteile Gmbh & Co Kommanditgesellscahft, Würzburg
Publication of WO2019072825A1 publication Critical patent/WO2019072825A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
    • H02K2205/09—Machines characterised by drain passages or by venting, breathing or pressure compensating means
    • 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
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans

Definitions

  • the invention relates to an electric motor, in particular a brushless radiator fan motor of a radiator fan module of a motor vehicle, with a motor mount with an electronics compartment for receiving electronics, as well as with an electronics compartment covering the electronics compartment lid, which has a lid opening. Furthermore, the invention relates to a radiator fan module with such an electric motor and with a frame, which has a mounting structure.
  • Such an electric motor comprises a rotatably mounted rotor (rotor) and a fixed stator.
  • the stator has a rotating field winding, by means of which a magnetic rotating field is generated when subjected to an alternating current.
  • the rotor has, for example, permanent magnets whose magnetic field interacts with the rotating field of the stator, so that the rotor is driven.
  • the alternating current, which is fed to the rotating field winding of the stator, is thereby generated by means of an inverter (inverter).
  • inverter inverter
  • the inverter is added together with an associated control electronics in an electronics compartment, which is integrated in a motor housing.
  • the electronics compartment is formed by means of a motor carrier of the electric motor or the motor carrier has the electronics compartment.
  • the inverter and the control electronics are referred to collectively as electronics.
  • an electronics compartment closing electronics compartment lid has a compartment opening connecting the electronics compartment interior with the surroundings.
  • the lid opening is in this case provided with a gas-permeable and liquid-impermeable membrane and thus seals the electronics compartment against a liquid.
  • the membrane is attached to the electronics facing side of the lid opening.
  • the invention is therefore based on the object of specifying an electric motor of the type mentioned, in which the membrane as effectively as possible and / or as little additional space is claimed to be protected from damage. Furthermore, a radiator fan module is to be specified with such an electric motor.
  • the electric motor which is designed in particular as a brushless radiator fan motor of a radiator fan module of a motor vehicle, comprises an engine mount.
  • the engine mount has an electronics compartment, or alternatively, the electronics compartment is formed by means of the engine mount.
  • An electronics system which is necessary in particular for the operation of the electric motor is hereby incorporated in the electronics compartment.
  • the electronics compartment is covered by means of an electronics compartment cover, wherein the electronics compartment lid has a lid opening with an opening channel.
  • the opening channel opens into the electronics compartment and is connected to the electronics. turned side by means of a, in particular gas-permeable and liquid-impermeable, membrane provided.
  • a channel end of the opening channel arranged on the side of the electronics compartment cover facing the electronics is covered with a membrane.
  • the electric motor comprises a protective cover with a flat cover screen which covers the cover opening on the side of the electronics compartment cover facing away from the electronics, that is to say preferably on its outer side of the cover.
  • a pressure equalization with the environment of the electric motor is made possible by means of the membrane.
  • a liquid such as water
  • a dirt particle in the electronics compartment and thus damage to the electronics by means of the liquid and / or the dirt particle is prevented.
  • the protective cover damages the diaphragm by means of a particle (stone or insect ) prevented.
  • the electronics accommodated in the electronics compartment comprise, for example, a converter which generates an alternating current, which is supplied to a rotating field winding of a stator for generating a magnetic rotating field. Furthermore, the electronics comprises an electronic control unit associated with the converter.
  • the lid opening in addition to the opening channel on a protective cover receiving, bead-shaped receiving trough.
  • the receiving trough is limited by means of a trough bottom and by means of a trough wall.
  • the opening channel of the lid opening for example centrally, arranged in the trough bottom.
  • the trough bottom forms on the electronics side facing the bottom side a bearing collar for the membrane, wherein the bearing collar surrounds the opening channel.
  • the bearing collar furthermore has, on the side facing the electronics, a contour which is radially spaced apart from the opening channel and is raised, for example an annular abutment edge, by means of which contour a mounting of the membrane on the bearing collar is facilitated.
  • the membrane can be relatively easily positioned, for example, during assembly and then, preferably by means of ultrasonic welding, be joined to the plant collar.
  • the trough has a trapezoidal longitudinal and / or cross section, wherein the longer of the two parallel sides of the trapezium is arranged on the side facing away from the electronics.
  • the trough bottom are oriented parallel to the electronics compartment lid and inclined the trough wall to the opening channel.
  • an angle between the trough bottom and the trough wall is thus comparatively large, so that accumulation of the liquid and / or accumulation of dirt particles on an edge formed between the trough wall and the trough bottom are avoided.
  • a channel cover covering the opening channel is integrally formed on the trough bottom and / or on the trough wall.
  • the channel cover a, in particular to the opening channel transverse, transverse channel, which connects the receiving trough with the opening channel.
  • the transverse channel preferably extends continuously through the channel cover, ie the transverse channel opens into the receiving trough at two points.
  • the transverse channel is oriented for example parallel to the electronics compartment lid, so that a T-shaped channel system is formed by means of the opening channel and by means of the transverse channel.
  • the channel cover is formed, for example, only on the trough bottom or alternatively or additionally to a trough wall.
  • the channel cover extends from a trough wall to the trough wall opposite this trough wall, so that the receiving trough is divided into two partial troughs by means of the channel cover, the transverse channel then connecting the two partial troughs with one another.
  • the channel cover covers the channel in the normal direction with respect to the electronics compartment cover.
  • the membrane in addition to protection by means of the protective cover and in case of loss of the protective cover, from mechanical stress, which may occur, for example during assembly, protected.
  • penetration of the dirt particles, foreign bodies and / or the liquid is difficult in the opening channel.
  • a support element is integrally formed on the screen of the protective cover on its side facing the membrane.
  • the support element engages in the receiving trough of the passage opening.
  • the support elements fulfill a guiding function during assembly, so that the protective cover is not displaced during assembly from an intended orientation, such as being displaced or twisted.
  • a bending of the protective cover is limited by means of the support element, which can occur, for example, during assembly or mechanical stress due to the foreign body.
  • the protective cover can be hot-caulked, for example, to the electronics compartment lid.
  • hot caulking may result in damage to the electronics compartment lid as a result of the comparatively high temperatures occurring there and a comparatively large force.
  • the protective cover has a clip hook, which For example, engages in the transverse channel of the channel cover to form a clip or latching connection.
  • a necessary for mounting press-in force is relatively large, so that the electronics compartment lid can be damaged.
  • the support element of the protective cover is connected to the, in particular obliquely, trough wall and / or preferably to the trough bottom by material engagement.
  • the material connection is attached to the electronics compartment lid, for example by means of gluing or preferably by means of ultrasonic welding.
  • the support element is received in the receiving trough.
  • the support member has a length in the direction of the normal of the electronics compartment cover such that the cover of the protective cover is spaced from the electronics compartment cover.
  • a gap between the cover and the electronics compartment lid is formed, through which gas, in particular ambient air, in the lid opening from there through the channel system and through the gas-permeable membrane in the electronics compartment or can flow, so that in particular a pressure equalization between the electronics compartment and whose environment is taking place.
  • the support element of the protective cover which is connected to the electronics compartment lid is substantially semicircular.
  • the support element has a semicircle as a cross-sectional shape.
  • a central axis of the semicircular support element is oriented in the direction of the normal of the electronics compartment lid.
  • axis which passes through the center of the semicircle and which is oriented perpendicular to a plane defined by the semicircle plane.
  • the central axis is arranged on the side opposite the cross channel of the channel cover of the support member.
  • the semicircular support member between the central axis and the transverse channel is arranged.
  • the support member forms on its side facing away from the transverse channel a cup-shaped Collection point for in the lid opening, in particular by the opposite cross-channel between the protective cover and the electronics compartment lid, penetrating liquid, such as water, and / or dirt particles, so that further penetration of the liquid and / or dirt particles is reduced.
  • penetrating liquid such as water, and / or dirt particles
  • the protective cover on the cover on the membrane side facing the edge of an interrupted support collar is connected by means of a material connection between the support collar and the electronics compartment lid, preferably to an adjacent to the lid opening portion of the electronics compartment lid.
  • the support collar may extend over a region of the cover screen, which covers the channel cover in the assembled state, so that a material connection between the channel cover and the support collar is formed.
  • gas in particular air, through the interruption in the support collar in the lid opening or flow out.
  • the protective cover is glued to the electronics compartment lid during assembly.
  • the protective cover is connected by means of ultrasonic welding to the electronics compartment lid.
  • the protective cover is designed as an outer membrane (label).
  • the outer membrane expediently closes the lid opening, wherein the outer membrane is permeable to gas and impermeable to liquids. Due to the flat shape of the membrane comparatively little additional space in the direction of the normal of the electronics compartment lid is particularly advantageous, so that the space can be used by a possibly arranged in the vicinity of the electronics compartment cover component.
  • the outer membrane is attached to the electronics compartment lid by means of ultrasonic welding.
  • no gap or the like between the protective cover and the electronics compartment lid is necessary to in particular to allow pressure equalization between the electronics compartment and its surroundings.
  • a radiator fan module has a frame with a fastening structure to which an electric motor in one of the variants described above is fastened by means of its engine mount.
  • the electronics compartment of the electric motor is covered by means of the electronics compartment lid, which has the lid opening with the receiving trough.
  • the attachment structure of the frame is annular and includes the circumference of the electric motor.
  • the motor support of the electric motor has flanges for receiving screw elements, which are fastened in the mounting state in corresponding receptacles of the mounting structure.
  • the protective cover covering the lid opening is fastened to the fastening structure of the frame as an alternative to attachment to the electronics compartment lid or in the receiving recess of the lid opening, for example glued, welded or clipped (latched).
  • radially extending retaining strut is formed on the protective cover, which positions the cover of the protective cover such that the lid opening is covered by the Abdeckles.
  • the cover of the protective cover is attached directly to the mounting structure.
  • the protective cover covers a correspondingly large part of the electric motor, i. the protective cover covers additional areas of the electronics compartment lid of the electric motor in addition to the lid opening.
  • FIG. 1 is an exploded view of an electric motor for a radiator fan module of a motor vehicle, with an electronics compartment having engine mount, wherein the electronics compartment electronics and is covered by an electronics compartment lid, which has a cover opening covered by a protective cover,
  • FIG. 5 shows a plan view of the electronics compartment lid, wherein the lid opening is covered with an outer membrane
  • FIG. 6 shows a plan view of the radiator fan module with a frame with a fastening contour for the electric motor and with a protective cover attached to the fastening contour for the cover opening of the electronics compartment cover.
  • FIG. 1 an electric motor 2 of a radiator fan module 4 of a motor vehicle, not shown, is shown in an exploded view.
  • the electric motor 2 drives a fan wheel 6, on whose outer circumference only partially shown air guide vanes 8 are arranged for the purpose of an improved overview.
  • the fan 6 has a central cap 10 which is fixed to a rotor 12 of the electric motor 2 and forms a housing bottom for the electric motor 2.
  • the rotor 12 of the electric motor 2 is formed by means of a laminated core 14, in which permanent magnets not shown are used.
  • the permanent magnets and the laminated core 14 are covered by a plastic jacket 16.
  • the rotor 12 is rotatably mounted about a motor axis A by means of an axle pin 18 and in each case one axle bearing 20 arranged on the axle pin 18 at the end.
  • the electric motor 2 has a rotor 12 comprising a stator 22, which is wound with a three-phase energized rotary field winding 24 in the form of coils.
  • the stator 22 likewise has a laminated core 14 comprising plastic.
  • the electric motor 2 is designed as a brushless internal rotor motor.
  • a motor support 26 On the side facing away from the fan 6 end face of the electric motor 2, a motor support 26 is arranged, which peripherally has three flanges 28, by means of which a mounting to a mounting structure 30 of a frame 32 (Fig. 6) of the radiator fan module 4 is made possible.
  • the motor mount 26 on its side facing away from the fan 6 to form an electronics compartment 34 on a raised sealing edge 36 which engages in the assembled state in a, not shown, corresponding sealing groove of an electronics compartment cover 40 which covers the electronics compartment 34.
  • electronics 42 In electronics compartment 34 electronics 42 is included.
  • the electric motor 2 can - depending on the intended installation location in the motor vehicle - a relatively high humidity, a liquid such as As exposed to water and / or a relatively high temperature fluctuation.
  • the electronics compartment cover 40 has an electronics compartment 34 with the environment connecting the lid opening 44, which is provided on the electronics side facing with a gas-permeable and liquid-impermeable membrane 46. In this way, a pressure equalization of the electronics compartment 34 is made possible with the environment, and the electronics 42 is protected from damage by means of a liquid.
  • the electric motor 2 has a protective cover 48 whose planar cover shield 50 covers the lid opening on its side facing away from the electronics 42 in order to prevent damage to the membrane 46 as well as penetration of liquid into the lid opening 44.
  • FIGS. 3 a and 4 a show respectively an embodiment of the protective cover 48
  • FIGS. 3 b and 4 b show the protective cover 48 in the assembled state, in each case on an enlarged scale.
  • FIG. 2 the electronics compartment cover 40 with the lid opening 44 and the cover opening 44 covering membrane 46 are shown in a sectional view.
  • the membrane 46 covers the lid opening 44 on its side facing the electronics 42.
  • the section runs centrally as shown in FIG. 1 through the lid opening 44, wherein the sectional plane II extends parallel to the motor axis A of the electric motor 2.
  • the lid opening 44 has a bead-shaped receiving trough 52, which is bounded by a trough wall 54 and a trough bottom 56.
  • the two trough walls 54, through which the cutting plane II extends, are inclined against the normal N of the electronics compartment cover 40 and the trough bottom 56 is oriented parallel to the electronics compartment cover 40.
  • the receiving trough 52 in cross-section on a trapezoidal shape, wherein the longer of the two parallel sides of the trapezoid on the side facing away from the electronics is arranged.
  • the trough bottom 56 has an opening channel 58, which is arranged centrally in the trough bottom 56.
  • the opening channel 58 extends continuously through the trough bottom 56 and connects the electronics 42 side facing away from the electronics compartment cover 40 with the electronics 42 side facing the electronics compartment cover 40.
  • the trough bottom 56 surrounds the opening channel 58.
  • the trough bottom 56 forms a collateral collar for Membrane 46.
  • the support collar electronics compartment side has a raised annular abutment edge 60, which facilitates positioning of the membrane 46 during assembly.
  • a channel cover 62 is further arranged, which covers the opening channel 58.
  • the channel cover 62 is integrally formed on the trough bottom 56 and in each case on the opposite trough walls 54, so that the channel cover 62 extends perpendicularly to the sectional plane II between the mutually opposite trough walls 54 to form two partial troughs 64.
  • the channel cover 62 in this case has a transverse channel 66 which extends continuously through the channel cover 62 parallel to the sectional plane II.
  • the transverse channel 66 connects in this way the opening channel 58 with one of the two partial recesses 64.
  • the opening channel 58 with the transversely extending transverse channel 66 form a T-shaped channel system 68 through which a gas flow to the membrane 46 toward or away from it can.
  • the opening channel 58 and the membrane 46 are collectively protected by means of the channel cover 62 in the direction of the normal N against mechanical stress, for example due to a foreign body such as a stone or an insect.
  • FIG. 3a shows an embodiment of the protective cover 48 with a support collar 70.
  • the support collar 70 is formed in an edge region of the cover 50 on its side facing the electronics 42 side.
  • the support collar 70 has interruptions 72.
  • the protective cover 48 is firmly bonded to its support collar 70 on the electronics compartment.
  • disgust 40 attached.
  • the material connection between the support collar 70 of the protective cover 48 and a region 73 of the electronics compartment cover 40 adjoining the cover opening 44 is produced.
  • the gas can flow through the interruptions 72 into the cover opening 44 and through the channel system 68 toward the membrane 46.
  • a support element 74 is integrally formed on the electronics 42 side facing the Abdeckles 50, which engages in the mounting state (Fig. 3b) in the receiving trough 52.
  • FIG. 4 a shows an alternative embodiment of the protective cover 48.
  • two semicircular support elements 74 are integrally formed on the cover shield 50 of the protective cover 48.
  • Fig. 4b shows the mounting state of this embodiment of the protective cover 48 in the electronics compartment cover 40.
  • the two support members 74 each engage in a partial recess 64 of the receiving trough 52 a.
  • the protective cover 48 is received in the receiving trough 52.
  • the protective cover 48 is in this case connected by means of the semicircular support member 74 to the trough bottom 56.
  • an ultrasound method for producing a material bond between the protective cover 48 and the trough bottom 56 is used.
  • the two support elements 74 have a length in the direction of the normal N of the electronics compartment cover 40 such that the cover shield 50 of the protective cover 48 is spaced in the assembled state and arranged parallel to the electronics compartment cover 40. In this way, a gap 76 is formed between the cover screen 50 and the electronics compartment cover 40, through which gas can flow into or out of the cover opening 44, so that, in particular, pressure equalization takes place between the electronics compartment 34 and the environment.
  • the two semicircular support elements 74 are arranged such that their central axes M of the semicircular shapes are oriented parallel to the normal N.
  • the channel cover 62 is arranged with its transverse channel 66 between the two support elements 74, wherein the two support elements 74 such are oriented, that in each case the central axis M of the associated support member 74 is arranged on its side facing away from the transverse channel 66.
  • each semicircular support member 74 is disposed between the central axis M and the transverse channel 66. In this way, a kind of collection point for a liquid such as water and / or dirt particles is formed, which penetrate through the gap 76 on the central axis side of the corresponding support member 74 in the lid opening 44.
  • Fig. 5 shows the electronics compartment cover 40, wherein the cover opening 44 is covered in an alternative embodiment with a designed as a gas-permeable and liquid-impermeable outer membrane 78 protective cover.
  • the outer membrane 78 seals the lid opening 44, i. no gap 76 is formed between the outer membrane 78 and the electronics compartment lid 40, so that penetration of a foreign body into the lid opening 44 is avoided.
  • the outer membrane 78 is materially connected, for example by means of an adhesive or by ultrasonic welding, to the electronics compartment cover 40.
  • the radiator fan module 4 is shown.
  • the frame 32 of the radiator fan module 4 has a circular fan opening 80 for the passage of cooling air, in which the electric motor 2 is arranged.
  • the electric motor 2 is fastened by means of its motor mount 26 to the fastening structure 30 comprising the electric motor 2 in an annular manner.
  • the mounting structure 30 is held by means of struts 82 concentric with the fan opening 80.
  • the protective cover 48 has a retaining strut 84, which extends essentially radially with respect to the annular fastening structure 30 and which is fastened to the fastening structure 30 and holds the covering screen 50 of the protective cover 48 such that the cover opening 44 is covered by the covering screen 50.
  • the cover is held parallel and spaced from the electronics compartment cover 40.
  • a support member 74 is integrally formed on the cover 50 of the protective cover 48, which - is connected to the trough bottom 56 - analogous to the above manner - so that a gap 76 between the protective cover 48 and the electronics compartment cover 40 is formed.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

L'invention concerne un moteur électrique (2), en particulier un moteur de ventilateur de refroidissement sans balais d'un véhicule automobile, comportant un support de moteur (26) muni d'un compartiment électronique (34) logeant une électronique (42), et comportant un couvercle (40) de compartiment électronique recouvrant le compartiment électronique (34) muni d'une ouverture de couvercle (44) qui présente un canal d'ouverture (58) ainsi qu'une cavité de réception (52) en forme de collet qui est délimitée par un fond de cavité (56) et une paroi de cavité (54), et comportant un capot de protection (48) muni d'un écran de recouvrement plat (50). Le canal d'ouverture (58) débouche dans le compartiment électronique (34) et est muni d'une membrane (46) sur un côté faisant face à l'électronique (42), et l'ouverture de couvercle (44) est recouverte par l'écran de recouvrement plat (50) du capot de protection (48) sur le côté opposé à l'électronique (42). L'invention concerne par ailleurs un module ventilateur de refroidissement (4) muni dudit moteur électrique (2).
PCT/EP2018/077441 2017-10-10 2018-10-09 Moteur électrique ainsi que module ventilateur de refroidissement WO2019072825A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017218043.9 2017-10-10
DE102017218043.9A DE102017218043A1 (de) 2017-10-10 2017-10-10 Elektromotor sowie Kühlerlüftermodul

Publications (1)

Publication Number Publication Date
WO2019072825A1 true WO2019072825A1 (fr) 2019-04-18

Family

ID=63834013

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/077441 WO2019072825A1 (fr) 2017-10-10 2018-10-09 Moteur électrique ainsi que module ventilateur de refroidissement

Country Status (2)

Country Link
DE (1) DE102017218043A1 (fr)
WO (1) WO2019072825A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5215312A (en) * 1989-09-14 1993-06-01 Siemens Aktiengesellschaft Housing with a pressure-equalizing element which is retained water-tightly around the edges within a housing wall opening
WO1998042553A1 (fr) * 1997-03-24 1998-10-01 Continental Teves Ag & Co. Ohg Unite hydraulique pour dispositif hydraulique de commande et/ou de regulation
WO2006120118A1 (fr) * 2005-05-12 2006-11-16 Robert Bosch Gmbh Unite d'entrainement comportant un logement
EP1921020A1 (fr) * 2006-11-10 2008-05-14 Robert Bosch Gmbh Elément d'égalisation de pression pour un boîtier
WO2009135720A1 (fr) * 2008-05-06 2009-11-12 Robert Bosch Gmbh Support avec membrane de compensation de pression et dispositif d'entraînement, en particulier pour applications automobiles
US20140339939A1 (en) * 2013-05-17 2014-11-20 Brose Fahrzeugteile GmbH & Co. KG Wuerzburg Electric motor
WO2015000475A2 (fr) * 2013-07-03 2015-01-08 Schaeffler Technologies Gmbh & Co. Kg Module statorique d'un moteur électrique
DE102013022020A1 (de) * 2013-12-20 2015-06-25 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Elektromotor, insbesondere Kühlerlüftermotor
WO2015121052A1 (fr) * 2014-02-12 2015-08-20 Pierburg Pump Technology Gmbh Moteur électrique de groupe auxiliaire de véhicule automobile
WO2016096421A2 (fr) * 2014-12-19 2016-06-23 Robert Bosch Gmbh Dispositif de protection pour un élément d'équilibrage de pression

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011121716B3 (de) * 2011-12-20 2013-02-28 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Gehäuse einer Antriebsvorrichtung
DE102015219501A1 (de) * 2015-10-08 2017-04-13 Robert Bosch Gmbh Sensorvorrichtung zur Erfassung mindestens einer Strömungseigenschaft eines fluiden Mediums

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5215312A (en) * 1989-09-14 1993-06-01 Siemens Aktiengesellschaft Housing with a pressure-equalizing element which is retained water-tightly around the edges within a housing wall opening
WO1998042553A1 (fr) * 1997-03-24 1998-10-01 Continental Teves Ag & Co. Ohg Unite hydraulique pour dispositif hydraulique de commande et/ou de regulation
WO2006120118A1 (fr) * 2005-05-12 2006-11-16 Robert Bosch Gmbh Unite d'entrainement comportant un logement
EP1921020A1 (fr) * 2006-11-10 2008-05-14 Robert Bosch Gmbh Elément d'égalisation de pression pour un boîtier
WO2009135720A1 (fr) * 2008-05-06 2009-11-12 Robert Bosch Gmbh Support avec membrane de compensation de pression et dispositif d'entraînement, en particulier pour applications automobiles
US20140339939A1 (en) * 2013-05-17 2014-11-20 Brose Fahrzeugteile GmbH & Co. KG Wuerzburg Electric motor
WO2015000475A2 (fr) * 2013-07-03 2015-01-08 Schaeffler Technologies Gmbh & Co. Kg Module statorique d'un moteur électrique
DE102013022020A1 (de) * 2013-12-20 2015-06-25 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Elektromotor, insbesondere Kühlerlüftermotor
WO2015121052A1 (fr) * 2014-02-12 2015-08-20 Pierburg Pump Technology Gmbh Moteur électrique de groupe auxiliaire de véhicule automobile
WO2016096421A2 (fr) * 2014-12-19 2016-06-23 Robert Bosch Gmbh Dispositif de protection pour un élément d'équilibrage de pression

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