EP1092076A1 - Actuating drive, especially a window lift drive or sliding roof drive for a motor vehicle - Google Patents

Actuating drive, especially a window lift drive or sliding roof drive for a motor vehicle

Info

Publication number
EP1092076A1
EP1092076A1 EP99941405A EP99941405A EP1092076A1 EP 1092076 A1 EP1092076 A1 EP 1092076A1 EP 99941405 A EP99941405 A EP 99941405A EP 99941405 A EP99941405 A EP 99941405A EP 1092076 A1 EP1092076 A1 EP 1092076A1
Authority
EP
European Patent Office
Prior art keywords
drive
cable
sense
translation
closing part
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
EP99941405A
Other languages
German (de)
French (fr)
Other versions
EP1092076B1 (en
Inventor
Peter Michel
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.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1092076A1 publication Critical patent/EP1092076A1/en
Application granted granted Critical
Publication of EP1092076B1 publication Critical patent/EP1092076B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
    • E05F11/38—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement
    • E05F11/48—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes
    • E05F11/481—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes for vehicle windows
    • E05F11/483—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes for vehicle windows by cables
    • E05F11/486—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes for vehicle windows by cables with one cable connection to the window glass
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
    • E05F11/38—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement
    • E05F11/48—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes
    • E05F11/481—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes for vehicle windows
    • E05F11/483—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes for vehicle windows by cables
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
    • E05F15/689—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings specially adapted for vehicle windows
    • E05F15/697—Motor units therefor, e.g. geared motors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/606—Accessories therefor
    • E05Y2201/618—Transmission ratio variation
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/644—Flexible elongated pulling elements
    • E05Y2201/654—Cables
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/658—Members cooperating with flexible elongated pulling elements
    • E05Y2201/664—Drums
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/55—Windows

Definitions

  • Actuator in particular window lifter or sunroof drive for a motor vehicle
  • the invention relates to an actuator, in particular Fen ⁇ sterheber- or sliding roof drive for a motor vehicle, according to Claim. 1
  • adjusting drives in particular motor vehicle window lifter drives, are known in which a closing part, in particular a motor vehicle window pane, is powered by an electric motor between one Opening position on the one hand and a closed position on the other hand is adjustable.
  • At least one gear ratio in the form of a gear and / or a cable drive or a scissor lift drive is provided in the drive train between the electric motor and the closing part; in the case of a cable drive, the closing part is moved by a cable, which in turn is driven by looping or winding or unwinding a cable drive drum which is rotated by the drive motor.
  • Roll is composed of two axially successively arranged roller parts, each of which has a spiral groove, the depth of which increases towards the axially outer end.
  • a safe protection against trapping should be ensured if the drive motor is well utilized.
  • variable translation in particular in the sense of a substantially constant load on the drive motor over the entire travel range of the closing part, on the one hand the drive motor does not have to - as required with constant translation - corresponding to the increased power required only briefly for the entry into the friction-loaded sealed closed position be dimensioned and, on the other hand, despite the initially high closing speed during a closing movement, the subsequent lower speed, which is due to the increased ratio according to the invention, and thus lower accelerated inertial mass, ensures a lighter and faster braking possibility of the closing part which is advantageous for pinching protection.
  • a variable transmission ratio which is advantageous for a conventional motor vehicle window lift drive has, in particular, a higher transmission ratio than the rest of the region when the closing position is approached; is from a bracing of the guide and bracket receptacle Starting out the window pane in the door frame when moving into the open position, an increased transmission ratio and thus a relief, and thus a better utilization of the drive motor over the entire adjustment range, is also advantageously provided for starting from the open position.
  • a higher gear ratio outside of the closed position or open position range is recommended for special load requirements on the drive motor, for example with a strongly curved disc guide with correspondingly high frictional resistance.
  • variable translation according to the invention can be achieved in a particularly simple manner in that the cable drive drum driving the cable or the cable ends by looping or unwinding and winding up Is provided over its axial length with a spirally arranged cable trough, via which the cable or the cable ends with the drive-transmitting wrap or winding and unwinding can be driven axially progressively when the cable drive drum is driven, and the respective translation according to the invention can be implemented by the variable cable trough diameter ; the change between different cable tray diameters in this sense can be more or less constant, possibly also occur discontinuously.
  • FIGS. 1-3 an externally powered motor vehicle window pane in its open position and in its closed position as well as in an intermediate middle position; 4-9 in axial or in front view an axially cylindrical drum drive with a cylindrical rope drive drum corresponding to the positions of the motor vehicle window pane according to FIGS. 1-3, with different rope trough diameters in the sense of an inventive translation, and with one unwindable each or a windable rope end.
  • FIG. 1 - 3 show three different positions of a in a motor vehicle door frame 7 by a cable drive 3; 4; 5 between a lower open position according to FIG. 1 via a middle open position according to FIG. 2 up to a closed position according to FIG. 3, the motor vehicle window pane 2 can be moved up and down.
  • An electric motor 1 is provided for driving the power-operated window lifter, known from GB 2 289 351 A - drives a cable drum 3 or 4 of the cable drive via a worm gear for moving the motor vehicle window pane 2 up and down; for this purpose, by winding or unwinding or by wrapping the
  • Rope drum 3 or 4 a rope 5 or rope ends 5.1; 5.2 moves, which are articulated via deflection rollers 6.1 and 6.2 of a guide rod 6 to the motor vehicle window pane 2 and move them up and down.
  • variable translation according to the invention by means of a correspondingly structurally simple design of the respective cable drum 3 or 4 is explained below on the basis of exemplary embodiments with a cylindrical cable drum 3 with a diameter difference according to FIGS. 4 to 9, the cable ends extending from the cable drum 3 or 4 5.1 and 5.2 of the rope 5 in the different representations according to FIGS. 4-9 are to be assigned to the different travel representations of the motor vehicle window pane 2 according to FIGS. 1-3. 4 to 9 each show on the right in an axial side view and on the left in an axial end view a section-wise cylindrical rope drum 3 with rope grooves 3.1 running axially spirally over its circumference.
  • the cable grooves 3.1 have a smaller diameter at their two axial ends in the sense of an increased transmission ratio compared to the rest of the area.
  • On the cable drum 3 are each a windable or unwound rope 5; 5 wound, one end of which, for example, on the end face, is fastened to the cable drum 3 and the other end of the cable 5.1 or 5.2 leads to articulation points of the motor vehicle window pane 2.
  • the cable drum 3 rotates, one of the cable ends leading to the motor vehicle window pane 2 is wound up and the other cable end is unwound; this results in an upward or downward movement of the motor vehicle window pane 2 in the guide linkage 6 or in the motor vehicle window frame 7.
  • a different transmission ratio is now provided at both axial ends of the cable drum 3 in that the diameter of the cable grooves 3.1 is smaller in the sense of an increased transmission ratio than in the axial central region of the cable drum 3.

Landscapes

  • Window Of Vehicle (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

According to the invention, a variable transmission is provided in the sense of an essentially constant load of the drive motor over the entire regulating distance, especially an increased transmission when arriving in the closed position, in order to increase the work load of the actuating drive motor (1) while providing an improved jamming prevention of a closing part. Said closing part is, in particular, a motor vehicle window pane (2) which can be displaced by a transmission, especially a cable drive drum (3 or 4). For this, the drive motor, for example, is not to be designed with regard to the maximal load when arriving in the closed position and, at the same time, a rapid jamming prevention is possible due to the slower speed when approaching the closed position.

Description

Beschreibungdescription
Stellantrieb, insbesondere Fensterheber- bzw. Schiebedachantrieb für ein KraftfahrzeugActuator, in particular window lifter or sunroof drive for a motor vehicle
Die Erfindung betrifft einen Stellantrieb, insbesondere Fen¬ sterheber- bzw. Schiebedachantrieb für ein Kraftfahrzeug, gemäß Patentanspruch 1.The invention relates to an actuator, in particular Fen ¬ sterheber- or sliding roof drive for a motor vehicle, according to Claim. 1
Durch die EP 0 360 911 Bl bzw. die GB 2 289 351 A bzw. die DE 92 09 929 Ul sind Versteilantriebe, insbesondere Kraftfahrzeug-Fensterheberantriebe, bekannt, bei denen ein Schließteil, insbesondere eine Kraftfahrzeug-Fensterscheibe, fremdkraftbetätigt durch einen Elektromotor zwischen einer OffnungsStellung einerseits und einer Schließstellung andererseits verstellbar ist.From EP 0 360 911 B1 and GB 2 289 351 A and DE 92 09 929 Ul, adjusting drives, in particular motor vehicle window lifter drives, are known in which a closing part, in particular a motor vehicle window pane, is powered by an electric motor between one Opening position on the one hand and a closed position on the other hand is adjustable.
In dem Antriebsstrang zwischen dem Elektromotor und dem Schließteil ist zumindest eine Übersetzung in Form eines Ge- triebes und/oder eines Seilantriebes bzw. eines Scherenheber- antriebes vorgesehen; bei einem Seilantrieb wird das Schließteil durch ein Seil bewegt, das seinerseits durch Umschlingen oder Auf- bzw. Abwickeln von einer von dem Antriebsmotor in Drehbewegung versetzten Seilantriebs-Trommel angetrieben wird.At least one gear ratio in the form of a gear and / or a cable drive or a scissor lift drive is provided in the drive train between the electric motor and the closing part; in the case of a cable drive, the closing part is moved by a cable, which in turn is driven by looping or winding or unwinding a cable drive drum which is rotated by the drive motor.
Durch die DE 197 52 973 AI ist eine Fensterstellvorrichtung mit einem Seilantrieb mit einem auf einer Walze mit Spiralrillen auf- bzw. abgewickeltem Seil bekannt, wobei zur Ver- meidung einer Schlaffheit bzw. Überspannung des Seiles dieFrom DE 197 52 973 A1 a window adjusting device with a cable drive with a cable wound up or unwound on a roller with spiral grooves is known, the to avoid slackness or over-tensioning of the cable
Walze aus zwei axial hintereinander angeordneten Walzenteilen zusammengesetzt ist, von denen jeder eine Spiralrille aufweist, deren Tiefe sich zum axial äußeren Ende hin vergrößert . Sowohl beim Anfahren aus der Öffnungs-Ruhestellung als beim Einfahren in die mit reibbehafteten Dichtungen versehene Schließstellung wird von dem Elektromotor eine erhöhte Leistung verlangt, für die dieser ausgelegt sein muß; diese erhöhte Leistung erschwert jedoch die Einhaltung von strengen Vorschriften eines Einklemmschutzes, bei dem, insbesondere bei Annäherung an die Schließstellung, die Bewegung des Schließteils in kürzester Zeit abbremsbar sein muß, wenn ein Hindernis die weitere Schließbewegung hemmt.Roll is composed of two axially successively arranged roller parts, each of which has a spiral groove, the depth of which increases towards the axially outer end. Both when starting from the open rest position and when entering the closed position provided with friction seals, the electric motor is required to have an increased output for which it must be designed; However, this increased performance complicates the compliance with strict regulations of an anti-trap protection, in which, particularly when approaching the closed position, the movement of the closing part must be able to be braked in the shortest possible time if an obstacle inhibits the further closing movement.
Gemäß Aufgabe vorliegender Erfindung soll bei guter Auslastung des Antriebsmotors ein sicherer Einklemmschutz gewähr- leistbar sein.According to the object of the present invention, a safe protection against trapping should be ensured if the drive motor is well utilized.
Die Lösung dieser Aufgabe gelingt erfindungsgemäß durch die Lehre des Anspruchs 1.This object is achieved according to the invention by the teaching of claim 1.
Aufgrund der erfindungsgemäßen veränderlichen Übersetzung, insbesondere im Sinne einer über den gesamten Stellwegbereich des Schließteils im wesentlichen konstanten Belastung des Antriebsmotors, muß einerseits dieser nicht - wie bei konstanter Übersetzung erforderlich - entsprechend der jeweils nur kurzfristig für das Einfahren in die reibungsbelastete abgedichtete Schließstellung notwendigen erhöhten Leistung dimen- sioniert werden und ist andererseits trotz bei einer Schließbewegung anfänglich hoher Schließgeschwindigkeit durch die anschließende wegen der erfindungsgemäß erhöhten Übersetzung geringere Geschwindigkeit und damit geringere beschleunigte träge Masse eine leichtere und schnellere, für einen Ein- klemmschutz vorteilhafte Abbremsmöglichkeit des Schließteils gewährleistet .Due to the variable translation according to the invention, in particular in the sense of a substantially constant load on the drive motor over the entire travel range of the closing part, on the one hand the drive motor does not have to - as required with constant translation - corresponding to the increased power required only briefly for the entry into the friction-loaded sealed closed position be dimensioned and, on the other hand, despite the initially high closing speed during a closing movement, the subsequent lower speed, which is due to the increased ratio according to the invention, and thus lower accelerated inertial mass, ensures a lighter and faster braking possibility of the closing part which is advantageous for pinching protection.
Eine für einen üblichen Kraftfahrzeug-Fenstheberantrieb vorteilhafte veränderliche Übersetzung weist in diesem Sinne insbesondere eine gegenüber dem übrigen Bereich erhöhte Übersetzung bei Annäherung an die Schließstellung auf; ist von einer Verspannung der Führungs- und Halterungsaufnahme der Fensterscheibe in dem Türrahmen bei Einfahren in die Öffnungsstellung auszugehen, wird vorteilhaft auch für das Anfahren aus der OffnungsStellung eine erhöhte Übersetzung und damit eine Entlastung und somit über den Gesamt-Stellbereich bessere Auslastung des Antriebsmotors vorgesehen. Eine höhere Übersetzung außerhalb des Schließstellungs- bzw. Öffnungs- stellungsbereichs empfiehlt sich bei besonderen Lastanforderungen an den Antriebsmotor, z.B. bei stark gekrümmter Scheibenführung mit entsprechend hoher Reibwiderständen.In this sense, a variable transmission ratio which is advantageous for a conventional motor vehicle window lift drive has, in particular, a higher transmission ratio than the rest of the region when the closing position is approached; is from a bracing of the guide and bracket receptacle Starting out the window pane in the door frame when moving into the open position, an increased transmission ratio and thus a relief, and thus a better utilization of the drive motor over the entire adjustment range, is also advantageously provided for starting from the open position. A higher gear ratio outside of the closed position or open position range is recommended for special load requirements on the drive motor, for example with a strongly curved disc guide with correspondingly high frictional resistance.
Bei einem Stellantrieb mit einem Seilantrieb im Antriebsstrang zwischen dem Antriebsmotor und dem Schließteil kann die erfindungsgemäß spezifische veränderliche Übersetzung auf besonders einfache Weise dadurch erreicht werden, daß die das Seil bzw. die Seilenden durch Umschlingung bzw. Ab- und Auf- wicklung antreibende Seilantriebs-Trommel über ihre axiale Länge mit spiralförmig angeordnetem Seilrinnenverlauf versehen ist, über den das Seil bzw. die Seilenden mit der antriebsübertragenden Umschlingung bzw. Auf- und Abwicklung bei Antrieb der Seilantriebs-Trommel axial fortschreitend antreibbar sind und durch deren veränderlichen Seilrinnendurchmesser die jeweilige erfindungsgemäße Übersetzung umsetzbar ist; der Wechsel zwischen in diesem Sinne unterschiedlichen Seilrinnendurchmessern kann mehr oder weniger stetig, u.U. auch unstetig erfolgen.In the case of an actuator with a cable drive in the drive train between the drive motor and the closing part, the variable translation according to the invention can be achieved in a particularly simple manner in that the cable drive drum driving the cable or the cable ends by looping or unwinding and winding up Is provided over its axial length with a spirally arranged cable trough, via which the cable or the cable ends with the drive-transmitting wrap or winding and unwinding can be driven axially progressively when the cable drive drum is driven, and the respective translation according to the invention can be implemented by the variable cable trough diameter ; the change between different cable tray diameters in this sense can be more or less constant, possibly also occur discontinuously.
Die Erfindung sowie weitere, vorteilhafte Ausgestaltungen der Erfindung gemäß Merkmalen von Unteransprüchen werden im folgenden anhand von schematisch dargestellten Ausführungsbei- spielen in der Zeichnung näher erläutert; darin zeigen:The invention and further advantageous embodiments of the invention according to the features of subclaims are explained in more detail below with the aid of schematically illustrated exemplary embodiments in the drawing; show in it:
FIG 1-3 eine fremdkraftbetätigte Kraftfahrzeug-Fensterscheibe jeweils in ihrer Öffnungsstellung und in ihrer Schließstellung sowie in einer dazwischenlie- genden Mittelstellung; FIG 4-9 in Axial- bzw. in Stirnansicht eine axial jeweils zylinderförmige Seilantriebs-Trommel mit zu den Stellungen der Kraftfahrzeug-Fensterscheibe gemäß FIG 1-3 korrespondierenden, im Sinne einer erfin- dungsgemäßen veränderlichen Übersetzung unterschiedlichen Seilrinnen-Durchmessern und mit je einem abwickelbaren bzw. einem aufwickelbaren Seilende.1-3 an externally powered motor vehicle window pane in its open position and in its closed position as well as in an intermediate middle position; 4-9 in axial or in front view an axially cylindrical drum drive with a cylindrical rope drive drum corresponding to the positions of the motor vehicle window pane according to FIGS. 1-3, with different rope trough diameters in the sense of an inventive translation, and with one unwindable each or a windable rope end.
FIG 1 - 3 zeigen drei verschiedene Stellungen einer in einem Kraftfahrzeug-Türrahmen 7 durch einen Seilantrieb 3; 4; 5 zwischen einer unteren Öffnungsstellung gemäß FIG 1 über eine mittlere Öffnungsstellung gemäß FIG 2 bis in eine Schließstellung gemäß FIG 3 auf- und abbewegbaren Kraftfahrzeug-Fen- sterscheibe 2. Zum Antrieb des fremdkraftbetätigten Fensterhebers ist ein Elektromotor 1 vorgesehen, der - wie z.B. aus der GB 2 289 351 A bekannt - über ein Schneckengetriebe eine Seiltrommel 3 bzw.4 des Seilantriebes zur Auf- bzw. Abbewe- gung der Kraftfahrzeug-Fensterscheibe 2 antreibt; dazu werden durch Auf- bzw. Abwicklung bzw. durch Umschlingung von der1 - 3 show three different positions of a in a motor vehicle door frame 7 by a cable drive 3; 4; 5 between a lower open position according to FIG. 1 via a middle open position according to FIG. 2 up to a closed position according to FIG. 3, the motor vehicle window pane 2 can be moved up and down. An electric motor 1 is provided for driving the power-operated window lifter, known from GB 2 289 351 A - drives a cable drum 3 or 4 of the cable drive via a worm gear for moving the motor vehicle window pane 2 up and down; for this purpose, by winding or unwinding or by wrapping the
Seiltrommel 3 bzw.4 ein Seil 5 bzw. Seilenden 5.1; 5.2 bewegt, die über Umlenkrollen 6.1 bzw.6.2 eines Führungsgestänges 6 an die Kraftfahrzeug-Fensterscheibe 2 angelenkt sind und diese auf- bzw. abbewegen.Rope drum 3 or 4 a rope 5 or rope ends 5.1; 5.2 moves, which are articulated via deflection rollers 6.1 and 6.2 of a guide rod 6 to the motor vehicle window pane 2 and move them up and down.
Die erfindungsgemäße veränderliche Übersetzung durch entsprechende konstruktiv einfache Ausbildung der jeweiligen Seiltrommel 3 bzw.4 wird im folgenden anhand von Ausführungsbei- spielen mit einer durchmesserabgesetzten zylindrischen Seil- trommel 3 gemäß FIG 4 - 9 erläutert, wobei die von der Seiltrommel 3 bzw. 4 abgehenden Seilenden 5.1 bzw.5.2 des Seiles 5 in den unterschiedlichen Darstellungen gemäß FIG 4 - 9 den unterschiedlichen Stellweg-Darstellungen der Kraftfahrzeug- Fensterscheibe 2 gemäß FIG 1 - 3 zuzuordnen sind. FIG 4 - 9 zeigen jeweils rechts in axialer Seitenansicht und links in axialer Stirnansicht eine abschnittsweise zylinder- förmige Seiltrommel 3 mit axial über ihren Umfang spriralför- mig verlaufenden Seilrillen 3.1. Die Seilrillen 3.1 weisen an ihren beiden axialen Enden im Sinne einer gegenüber dem übrigen Bereich erhöhten Übersetzung einen geringeren Durchmesser auf. Auf die Seiltrommel 3 sind in axialem Abstand je ein auf- bzw. abwickelbares Seil 5; 5 aufgewickelt, deren eines Ende, z.B. stirnseitig, auf der Seiltrommel 3 befestigt ist und deren anderes Seilende 5.1 bzw.5.2 zu Anlenkpunkten der Kraftfahrzeug-Fensterscheibe 2 führt. Bei einer Drehung der Seiltrommel 3 wird das eine dieser zur Kraftfahrzeug-Fensterscheibe 2 führenden Seilenden aufgewickelt und das andere Seilende abgewickelt; dadurch ergibt sich eine Auf- bzw. Ab- bewegung der Kraftfahrzeug-Fensterscheibe 2 in dem Führungsgestänge 6 bzw. in dem Kraftfahrzeug-Fensterrahmens 7.The variable translation according to the invention by means of a correspondingly structurally simple design of the respective cable drum 3 or 4 is explained below on the basis of exemplary embodiments with a cylindrical cable drum 3 with a diameter difference according to FIGS. 4 to 9, the cable ends extending from the cable drum 3 or 4 5.1 and 5.2 of the rope 5 in the different representations according to FIGS. 4-9 are to be assigned to the different travel representations of the motor vehicle window pane 2 according to FIGS. 1-3. 4 to 9 each show on the right in an axial side view and on the left in an axial end view a section-wise cylindrical rope drum 3 with rope grooves 3.1 running axially spirally over its circumference. The cable grooves 3.1 have a smaller diameter at their two axial ends in the sense of an increased transmission ratio compared to the rest of the area. On the cable drum 3 are each a windable or unwound rope 5; 5 wound, one end of which, for example, on the end face, is fastened to the cable drum 3 and the other end of the cable 5.1 or 5.2 leads to articulation points of the motor vehicle window pane 2. When the cable drum 3 rotates, one of the cable ends leading to the motor vehicle window pane 2 is wound up and the other cable end is unwound; this results in an upward or downward movement of the motor vehicle window pane 2 in the guide linkage 6 or in the motor vehicle window frame 7.
Nach einer fertigungstechnisch vorteilhaften Ausgestaltung der Erfindung ist nunmehr eine unterschiedliche Übersetzung an beiden axialen Enden der Seiltrommel 3 dadurch vorgesehen, daß der Durchmesser der Seilrillen 3.1 im Sinne einer erhöhten Übersetzung kleiner ist als im axialen Mittelbereich der Seiltrommel 3.According to an embodiment of the invention that is advantageous in terms of production technology, a different transmission ratio is now provided at both axial ends of the cable drum 3 in that the diameter of the cable grooves 3.1 is smaller in the sense of an increased transmission ratio than in the axial central region of the cable drum 3.
Es dürfte ersichtlich sein, daß aufgrund der veränderbaren, insbesondere bei Einfahren in die stärker reibbelastete Schließstellung höheren Übersetzung der Antriebsmotor nicht mehr durch die dadurch gegebene Maximalbelastung überdimensioniert werden muß und daß außerdem aufgrund der geringeren Geschwindigkeit bei Annäherung an die Schließstellung eine, insbesondere bei Gegenlage eines Hemmnisses, notwendige schnelle Einklemmschutz-Abbremsung vereinfacht ist. It should be apparent that due to the variable transmission ratio, particularly when entering the more frictionally loaded closed position, the drive motor no longer has to be overdimensioned by the resulting maximum load and, moreover, due to the lower speed when approaching the closed position, one, especially in the opposite position Obstacle, necessary quick anti-trap braking is simplified.

Claims

Patentansprüche claims
1. Stellantrieb, insbesondere Fensterheber- bzw. Schiebedachantrieb für ein Kraftfahrzeug, - mit von einem Antriebsmotor (1) , insbesondere Elektromotor, zwischen einer Öffnungsstellung und einer Schließstellung fremdkraftbetätigt verstellbarem Schließteil (2), mit einer Übersetzung im Antriebsstrang zwischen dem Antriebsmotor (1) einerseits und dem Schließteil (2) ande- rerseits, mit einer zumindest über, einen Teilbereich des Stellweges des Schließteils (2) veränderten Übersetzung im Sinne einer über den gesamten Stellwegbereich des Schließteils (2) im wesentlichen konstanten Belastung des Antriebsmotors (1).1. Actuator, in particular window lifter or sunroof drive for a motor vehicle, - with a drive motor (1), in particular electric motor, between an open position and a closed position, externally operated closing part (2), with a translation in the drive train between the drive motor (1) on the one hand and the closing part (2) on the other hand, with a ratio changed at least over part of the travel of the closing part (2) in the sense of an essentially constant load on the drive motor (1) over the entire travel range of the closing part (2).
2. Stellantrieb nach Anspruch 1 mit einer veränderten Übersetzung im Sinne einer erhöhten Übersetzung nur im Bereich der Schließstellung.2. Actuator according to claim 1 with a changed translation in the sense of an increased translation only in the closed position.
Stellantrieb nach Anspruch 1 mit einer veränderten Übersetzung im Sinne einer erhöhten Übersetzung sowohl im Bereich der Schließstellung als auch im Bereich der Öffnungsstellung.Actuator according to claim 1 with a changed translation in the sense of an increased translation both in the closed position and in the open position.
4. Stellantrieb nach zumindest einem der Ansprüche 1 bis 3 mit einem Seilantrieb (3; 4) zwischen dem Antriebsmotor (1) und dem Schließteil (2), mit einem Seilantrieb (3; 4) unter Verwendung einer von dem Antriebsmotor (1) , insbesondere über ein Getriebe, angetriebenen Seilantriebs-Trommel (3 bzw.4) mit Umschlin- gungs- bzw. Ab- oder Aufwicklungsmitnahme eines Seiles (5) bzw. von Seilenden (5.1;5.2) des Seilantriebes (3;4), mit einem im Sinne der jeweiligen veränderlichen Überset- zung veränderlichen Umschlingungs- bzw. Ab- oder Aufwick- lungsdurchmesser des Seilantriebes (3 bzw.4). 4. Actuator according to at least one of claims 1 to 3 with a cable drive (3; 4) between the drive motor (1) and the closing part (2), with a cable drive (3; 4) using one of the drive motor (1), in particular via a gear, driven cable drive drum (3 or 4) with looping or unwinding or winding take-up of a cable (5) or cable ends (5.1; 5.2) of the cable drive (3; 4), with a variable looping or unwinding or winding diameter of the cable drive (3 or 4) in the sense of the respective variable ratio.
Stellantrieb nach Anspruch 4 mit einer Seilantriebs-Trommel (3 bzw.4) mit umfangssei- tigen, axial spiralförmig verlaufenden Seilrillen (3.1 bzw.4.1) im Sinne einer axial wandernden Umschlingungs- bzw. Ab- oder AufWicklungsmitnahme des Seiles (5) des Seilantriebes (4;5), mit einem im Sinne der jeweiligen veränderlichen Übersetzung veränderlichen Umschlingungs- bzw. Ab- oder Aufwick- lungsdurchmesser der Seilrillen (3.1 bzw.4.1). Actuator according to Claim 4 with a cable drive drum (3 or 4) with circumferential, axially spiral-shaped cable grooves (3.1 or 4.1) in the sense of an axially moving wrap or take-up or winding take-up of the cable (5) of the cable drive (4; 5), with a looping or unwinding or winding diameter of the rope grooves (3.1 or 4.1) that is variable in the sense of the respective variable translation.
6. Stellantrieb nach zumindest einem der Ansprüche 1 bis 5 mit einer jeweils axial zylinderförmigen Seilantriebs- Trommel (3) , mit einem entsprechend der veränderlichen Übersetzung un- terschiedlichen Zylinder-Durchmesser der Seilantriebs- Trommel (3 ) . 6. Actuator according to at least one of claims 1 to 5, each with an axially cylindrical cable drive drum (3), with a different cylinder diameter of the cable drive drum (3) according to the variable translation.
EP99941405A 1998-06-30 1999-06-29 Window lift drive or sliding roof drive for a motor vehicle Expired - Lifetime EP1092076B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19829209 1998-06-30
DE19829209A DE19829209C2 (en) 1998-06-30 1998-06-30 Actuator, in particular window lifter or sunroof drive for a motor vehicle
PCT/DE1999/001887 WO2000001911A1 (en) 1998-06-30 1999-06-29 Actuating drive, especially a window lift drive or sliding roof drive for a motor vehicle

Publications (2)

Publication Number Publication Date
EP1092076A1 true EP1092076A1 (en) 2001-04-18
EP1092076B1 EP1092076B1 (en) 2004-09-22

Family

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Application Number Title Priority Date Filing Date
EP99941405A Expired - Lifetime EP1092076B1 (en) 1998-06-30 1999-06-29 Window lift drive or sliding roof drive for a motor vehicle

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US (1) US20010023556A1 (en)
EP (1) EP1092076B1 (en)
DE (2) DE19829209C2 (en)
ES (1) ES2228088T3 (en)
WO (1) WO2000001911A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60113067T2 (en) 2000-03-02 2006-06-29 Siemens Vdo Automotive Corp., Auburn Hills FAST UP / DOWN VEHICLE WINDOW SYSTEM AND METHOD
US6573678B2 (en) 2000-03-02 2003-06-03 Siemens Vdo Automotive Corporation “Express up” vehicle window system and method
FR2941510A1 (en) * 2009-01-26 2010-07-30 Arvinmeritor Light Vehicle Sys Cable winding drum for use in window regulator of door of motor vehicle, has tracks for winding strands of cable, where each track has variable winding diameter, and one of tracks has turns alternated with turns of other track
FR2958676B1 (en) * 2010-04-08 2012-08-17 Peugeot Citroen Automobiles Sa WINDOW WINDOW WITH VARIABLE SPEED OF A MOTOR VEHICLE

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
EP0360911B1 (en) * 1988-09-30 1992-12-09 Siemens Aktiengesellschaft Driving actuating device, particularly a vehicle window raising drive unit
GB2289351B (en) * 1992-04-21 1996-05-22 Koito Mfg Co Ltd Power window apparatus having improved safety device
DE9209929U1 (en) * 1992-07-23 1992-09-24 Siemens AG, 8000 München Window regulator drive unit
JPH06212857A (en) * 1993-01-14 1994-08-02 Aisin Seiki Co Ltd Window regulator device
DE4443336A1 (en) * 1994-12-06 1996-06-13 Joerg Werner Mueller Cable drive, especially for a garage door
JP3750235B2 (en) * 1996-11-29 2006-03-01 アイシン精機株式会社 Wind regulator device

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Title
See references of WO0001911A1 *

Also Published As

Publication number Publication date
DE59910591D1 (en) 2004-10-28
ES2228088T3 (en) 2005-04-01
DE19829209A1 (en) 2000-01-13
US20010023556A1 (en) 2001-09-27
WO2000001911A1 (en) 2000-01-13
DE19829209C2 (en) 2001-05-03
EP1092076B1 (en) 2004-09-22

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