EP1359277A1 - Dispositif motorisé d'entraínement d'un élément de fermeture de vehicule - Google Patents

Dispositif motorisé d'entraínement d'un élément de fermeture de vehicule Download PDF

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Publication number
EP1359277A1
EP1359277A1 EP03075915A EP03075915A EP1359277A1 EP 1359277 A1 EP1359277 A1 EP 1359277A1 EP 03075915 A EP03075915 A EP 03075915A EP 03075915 A EP03075915 A EP 03075915A EP 1359277 A1 EP1359277 A1 EP 1359277A1
Authority
EP
European Patent Office
Prior art keywords
stage
drive unit
guide
gear
track
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
EP03075915A
Other languages
German (de)
English (en)
Other versions
EP1359277B1 (fr
Inventor
Lloyd W. Rogers Jr.
Jeff S. Hamminga
Joseph D. Long
Joseph M. Johnson
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Publication of EP1359277A1 publication Critical patent/EP1359277A1/fr
Application granted granted Critical
Publication of EP1359277B1 publication Critical patent/EP1359277B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/627—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by flexible elongated pulling elements, e.g. belts, chains or 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
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/63—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by swinging arms
    • 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
    • E05Y2201/628—Bearings
    • E05Y2201/636—Universal or ball joints
    • 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
    • E05Y2201/646—Flexible elongated pulling elements continuous, e.g. closed loops
    • 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
    • E05Y2201/652—Belts
    • 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
    • E05Y2201/644—Flexible elongated pulling elements
    • E05Y2201/656—Chains
    • 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
    • E05Y2201/66—Deflectors; Guides
    • 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
    • E05Y2201/71—Toothed gearing
    • 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
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/30—Electronic control of motors
    • E05Y2400/3013—Electronic control of motors during manual wing operation
    • E05Y2400/3014—Back driving the transmission or motor
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/10—Adjustable
    • 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
    • E05Y2900/546—Tailboards, tailgates or sideboards opening upwards
    • 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
    • E05Y2900/548—Trunk lids

Definitions

  • This invention relates generally to a power operated vehicle closure and more particularly to a drive unit that is installed in a motor vehicle to power open and close a vehicle closure such as a lift gate, deck lid, or the like.
  • U. S. Patent 6,367,864 B2 granted to Lloyd Rogers, Jr. et al. April 9, 2002 discloses a power operated lift gate that has at least one power unit for raising and lowering the lift gate.
  • the power unit comprises a fixed linear guide channel and a follower that moves in the guide channel.
  • the follower is universally connected to one end of a rod that has an opposite end universally connected to the lift gate.
  • the follower is moved in the guide channel by a flexible drive member that is attached to the follower and that is driven in a loop by a bi-directional drive unit.
  • the drive unit includes a bidirectional electric motor, an electromagnetic clutch and suitable gear sets that are not described in detail.
  • the flexible drive member may be a chain, a drive cable or a slotted drive tape.
  • the electromagnetic clutch is optional and normally deenergized so that the lift gate can be opened and closed manually without the necessity of back driving the electric motor.
  • U.S. Patent 6,367,199 B2 granted to David A. Sedlak et al. discloses a power operated lift gate that has a power unit in which the follower is a rack bar that is driven directly by a bi-directional drive unit.
  • the rack bar is universally connected to one end of a rod that has an opposite end universally connected to the lift gate.
  • the drive unit includes a bi-directional electric motor that has a worm gear output that drives a first gear set.
  • the first gear set in turn drives an electromagnetic clutch which drives a second gear set that drives the rack bar.
  • the electromagnetic clutch is normally de-energized so that the lift gate can be opened and closed manually without the necessity of back driving the electric motor.
  • power operated lift gates are normally raised and lowered by an electric motor that operates some sort of mechanism via one or more gear sets.
  • the gear sets reduce the speed of the electric motor which is usually in excess of 3000 rpm to about 30 rpm so that the lift gate is opened or closed at a speed of about 9-13 degrees per second.
  • This requirement for considerable speed reduction of about 12 to 1 generates two needs or desirable characteristics for the drive unit.
  • the primary desire or need is for a quiet and economical speed reduction on the order of 12 to 1.
  • the secondary desire or need is to operate the lift gate manually and preferably without including an electromagnetic clutch or other device to disconnect the electric motor to eliminate back drive.
  • the invention provides a drive unit that has an electric motor while being very compact, economical and quiet.
  • the drive unit uses a two stage speed reducer in which the first stage reduces the speed to about 1000 rpm or less so that the second stage can make use of spur gears which are very economical but noisy above about 1000 rpm.
  • the first speed reducer may be belt driven which is economical and very quiet.
  • the first speed reducer may be a worm gear that has a high lead angle and high number of leads and that drives a helical gear. This speed reducer is not only quiet but also very compact. In either event, the speed reducer is such that the electric motor can be back driven through the speed reducer without any need for an electromagnetic clutch or other disconnect device to permit manual opening and closing of the lift gate.
  • vehicle 10 has a lift gate 12 that is attached to the aft end of the vehicle roof 14 by two hinge assemblies 16 so that lift gate 12 pivots about a substantially horizontal hinge axis 18 between a closed position shown in figure 1 and an open position shown in figures 2 and 3.
  • Lift gate 12 is generally permitted to pivot about 90 degrees about hinge axis 18.
  • the range of movement can be varied substantially from one model of vehicle to another.
  • Lift gate 12 is power operated between opened and closed positions by a drive unit indicated generally at 20.
  • Drive unit 20 comprises a motor assembly 22, a track 24, a guide 26, a drive wheel or sprocket 28, an idler wheel or sprocket 30, a drive member 32 and a drive link 34 as best shown in figure 4.
  • Motor assembly 22 is designed for quiet operation. More specifically in reference to figures 5 and 6, motor assembly 22 comprises an electric motor 36 attached to a gear housing 38 that has a cover. The cover is removed in figure 5 to show the details of a gear train that reduces speed in two stages.
  • the first stage is belt driven.
  • electric motor 36 drives an output sprocket 40 that drives a cogged (toothed) belt 42, that is turn drives a cogged wheel 44.
  • the outer surface of belt 42 may be engaged by an optional spring biased idler wheel 45 that takes up any slack in belt 42.
  • This belt driven first speed reduction stage has several advantages in comparison to meshing gears.
  • the belt drive has a high power transmission efficiency, usually on the order of 95% or better while being considerably quieter than meshing gears which must reduce the motor output speed which is typically on the order of 3000 rpm or higher.
  • the belt driven first reduction stage permits the motor output speed to be reduced to 1000 rpm or lower in a quiet efficient manner. This in turn permits the further speed reduction by spur gears which are relatively inexpensive and which operate quietly at 1000 rpm or less.
  • cogged wheel 44 turns a concentric spur gear 46 that is preferably integrally connected to cogged wheel 44.
  • Spur gear 46 meshes with and drives a large spur gear 48 for a second stage speed reduction to an operating speed of about 30 rpm as best shown in figure 4.
  • Spur gear 48 is drivingly connected to drive sprocket 28 by a shaft 50 that extends through a back wall of gear housing 38.
  • Gear housing 38 is attached to the bottom of track 24 as best shown in figure 4.
  • Track 24 is a square shaped channel 52 that has a slot 54 in one side wall, preferably the side wall 56 that faces rearward.
  • Guide 26 travels in channel 52 and is connected to the bottom of drive link 34 by a connector 58 that extends through slot 54 as best shown in figures 4 and 6.
  • Connector 58 has a ball 60 at one end that is pivots in a spherical seat 62 of guide 26.
  • the opposite end of connector 58 is a pivot pin 64 that rotates in a cylindrical bearing 65 in an attachment piece 66 at the lower end of drive link 34.
  • Gear housing 38 is attached to the bottom of track 24 so that about one-half of the opening at the bottom of channel 52 is aligned with about one-half of the sprocket 28 as best shown in figure 4.
  • An idler housing 68 is attached to the top of track 24 to rotatably support idler sprocket 30. Idler housing 68 has a lower opening aligned with channel 52.
  • the drive member 32 is a chain that is wrapped around drive sprocket 28 and idler sprocket 30 with its ends projecting into channel 52 and attached to upper and lower ends of guide 26 respectively.
  • drive member 32 can be an endless cogged belt and either may simply be connected to guide 26 midway between the ends of guide 26.
  • This attachment arrangement at the lower end of drive link 34 and the belt driven speed reduction stage results in a relatively small gear housing 38 and better overall packaging of the drive unit 20.
  • the drive unit 20 is also back driveable when the lift gate is opened or closed manually because of the high overall efficiency of the gear train provided that electric motor 36 has a low back drive cogging torque.
  • lift gate 12 shown in figures 1, 2 and 3 may be power operated between opened and closed positions by an alternate drive unit of the invention indicated generally at 120.
  • Drive unit 20 comprises a motor assembly 122, a track 124, a guide 126, a drive wheel or sprocket 128, an idler wheel or sprocket 130, a drive member 132 and a drive link 134.
  • Motor assembly 132 comprises an electric motor 136 attached to a gear housing 138 that has a cover that is partly cut-away in figure 8 to show the details of a gear train that reduces speed in two stages.
  • the first stage is a worm gear set.
  • electric motor 136 drives a worm gear 140 that drives a mating helical gear 142.
  • Electric motor 136 preferably drives worm gear 140 via a flexible coupling 145 that takes up any misalignment between axis of the motor shaft and the axis of the worm gear 140.
  • the worm gear 140 preferably has a high lead angle and a high number of leads, such as a lead angle of about 30 degrees to 35 degrees and 5 to 7 leads.
  • This worm gear driven first speed reduction stage has several advantages in comparison to meshing spur gears.
  • the worm gear drive has a high power transmission efficiency, usually on the order of 95% or better, while being considerably quieter than meshing gears which must reduce the motor output speed which is typically on the order of 3000 rpm or higher.
  • the worm gear driven first reduction stage permits the motor output speed to be reduced to 1000 rpm or lower in a quiet efficient manner. For instance, by way of example, a worm gear that has 6 leads or starts with a lead angle of 33 degrees when driven at 3600 rpm drives a mating helical gear with 24 teeth at about 900 rpm. This in turn permits the further speed reduction by spur gears which are relatively inexpensive and which operate quietly at 1000 rpm or less. Moreover, the worm gear reduction is very compact.
  • the helical gear 142 turns a concentric spur gear (not shown) that is preferably integrally connected to helical gear 142 and that meshes with and drives a large spur gear 148 for a second stage speed reduction to an operating speed of about 30 rpm.
  • Spur gear 148 is drivingly connected to drive sprocket 128 by a shaft 150.
  • Gear housing 138 is attached to the bottom of track 124 as best shown in figure 8.
  • Track 124 is a rolled steel section.
  • Guide 126 travels along track 124 and is connected to the bottom of drive link 134 by a connector 158.
  • Connector 158 has a ball 160 at one end that is pivots in a spherical seat 162 of drive link 134.
  • Gear housing 138 is attached to the bottom of track 124 so that diametrically opposite peripheral portions of the sprocket 128 are located outwardly of the track 124.
  • An idler support 168 is attached to the top of track 124 to rotatably support idler sprocket 130 so that diametrically opposite peripheral portions of the idler sprocket 130 are located outwardly of track 124.
  • the drive member 132 is a chain that is wrapped around drive sprocket 128 and idler sprocket 130 with its ends attached to upper and lower ends of guide 126 respectively.
  • drive member 132 can be an endless cogged belt and either may simply be connected to guide 126 midway between the ends of guide 126.
  • the attachment of the drive member 132 to the guide 126 is preferably directly in line with the attachment of the drive link 134 to the guide 126 such as shown for the first embodiment and in figure 7.
  • This attachment arrangement substantially reduces and practically eliminates any twisting force or torque on the guide 126 that would cause the guide 126 to engage the track 124and act like a brake.
  • the upper end of drive link 134 is attached to lift gate 12 by a pivot pin (not shown).
  • This attachment arrangement at the lower end of drive link 134 and the worm gear driven speed reduction stage results in a relatively small gear housing 138 and better overall packaging of the drive unit 120.
  • the drive unit 120 is also back driveable when the lift gate is opened or closed manually because of the high overall efficiency of the modified gear train provided that electric motor 136 has a low back drive cogging torque.

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  • Power-Operated Mechanisms For Wings (AREA)
  • Gear Transmission (AREA)
EP03075915A 2002-04-17 2003-03-31 Dispositif motorisé d'entraînement d'un élément de fermeture de vehicule Expired - Lifetime EP1359277B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37335602P 2002-04-17 2002-04-17
US373356P 2002-04-17

Publications (2)

Publication Number Publication Date
EP1359277A1 true EP1359277A1 (fr) 2003-11-05
EP1359277B1 EP1359277B1 (fr) 2008-05-28

Family

ID=29215897

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03075915A Expired - Lifetime EP1359277B1 (fr) 2002-04-17 2003-03-31 Dispositif motorisé d'entraînement d'un élément de fermeture de vehicule

Country Status (2)

Country Link
EP (1) EP1359277B1 (fr)
DE (1) DE60321263D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009001667A1 (de) 2008-04-11 2009-10-15 Saia-Burgess Murten Ag Aktuator
EP1645708A3 (fr) * 2004-10-06 2012-07-18 Delphi Technologies, Inc. Unité d'entraînement avec élément flexible de transmission et ensemble de poulie réglable

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2338028A (en) * 1998-05-28 1999-12-08 Nt Dor O Matic Inc Powered door operator
WO2001083247A2 (fr) * 2000-04-27 2001-11-08 Atoma International Corp. Ensemble pour ouverture et fermeture d'un hayon
EP1235330A1 (fr) * 2001-02-26 2002-08-28 Alcatel Entraínement électrique et commande automatique de porte avec engrenage à vis sans fin

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2338028A (en) * 1998-05-28 1999-12-08 Nt Dor O Matic Inc Powered door operator
WO2001083247A2 (fr) * 2000-04-27 2001-11-08 Atoma International Corp. Ensemble pour ouverture et fermeture d'un hayon
EP1235330A1 (fr) * 2001-02-26 2002-08-28 Alcatel Entraínement électrique et commande automatique de porte avec engrenage à vis sans fin

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1645708A3 (fr) * 2004-10-06 2012-07-18 Delphi Technologies, Inc. Unité d'entraînement avec élément flexible de transmission et ensemble de poulie réglable
DE102009001667A1 (de) 2008-04-11 2009-10-15 Saia-Burgess Murten Ag Aktuator

Also Published As

Publication number Publication date
EP1359277B1 (fr) 2008-05-28
DE60321263D1 (de) 2008-07-10

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