US20090051192A1 - Power door for a passenger vehicle - Google Patents
Power door for a passenger vehicle Download PDFInfo
- Publication number
- US20090051192A1 US20090051192A1 US11/844,661 US84466107A US2009051192A1 US 20090051192 A1 US20090051192 A1 US 20090051192A1 US 84466107 A US84466107 A US 84466107A US 2009051192 A1 US2009051192 A1 US 2009051192A1
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- US
- United States
- Prior art keywords
- side entry
- entry door
- motor
- door
- vehicle
- 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
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Classifications
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- 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
- E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
- E05F15/622—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using screw-and-nut mechanisms
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/003—Power-actuated devices for limiting the opening of vehicle doors
- E05C17/006—Power-actuated devices for limiting the opening of vehicle doors with means for detecting obstacles outside the doors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2201/00—Constructional elements; Accessories therefore
- E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefore
- E05Y2201/43—Motors
- E05Y2201/434—Electromotors; Details thereof
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
- E05Y2600/40—Mounting location; Visibility of the elements
- E05Y2600/46—Mounting location; Visibility of the elements in or on the wing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Application of doors, windows, wings or fittings thereof for vehicles characterised by the type of wing
- E05Y2900/531—Doors
Definitions
- the invention generally relates to a power door for a passenger vehicle.
- Passenger vehicles generally have at least one side-entry door located on either lateral side of a vehicle body of the passenger vehicle. Two or more doors are typically provided on one lateral side of the vehicle. These doors allow passenger ingress and egress to and from the vehicle.
- the doors for the passenger vehicles can be power doors so that manual translation of the doors is not required.
- Power side entry doors can have hinged connections between the door and the body. These power hinged doors can open toward the front end of the vehicles, which is often seen in various types of passenger vehicles. The power hinged doors can open toward a back end of the vehicles, which is commonly seen in many vehicles such as sedans, trucks, and vans.
- Power side entry doors can have sliding connections between the door and the body. Power sliding doors are common in vehicles such as vans.
- an automotive vehicle having a vehicle body with a first pillar, a second pillar, a roof member and a floor member defining a door opening therebetween.
- a lateral side entry door is pivotally connected to the vehicle body for enclosing the door opening.
- the side entry door moves along an operating path having a closed position and an open position.
- the vehicle has a motor and a lead screw mounted in the side entry door and connected to the motor to be driven by the motor.
- the vehicle has a link connected to the lead screw and connected to the vehicle body adjacent to the door opening.
- the motor drives the lead screw to translate the link to open and close the side entry door.
- an automotive vehicle having a vehicle body with a first pillar, a second pillar, a roof member and a floor member defining a door opening therebetween.
- the vehicle has a side entry door pivotally connected to the vehicle body for enclosing the door opening.
- the side entry door moves along an operating path and having a closed position and an open position.
- the vehicle has a motor oriented in the side entry door.
- the vehicle has a transmission mounted in the side entry door and connected to the motor to be driven by the motor.
- the vehicle has a check strap mounted on the vehicle body and pivotally connected to the transmission.
- the check strap has at least one detent provided therein to cooperate with at least one roller for manual translation of the side entry door so that the check strap maintains the side entry door in an intermediate position between the open position and the closed position.
- the motor drives the lead screw to translate the check strap to open and close the side entry door.
- a power door assembly for a vehicle.
- the power door assembly has a side entry door with a first hinge portion to be pivotally connected to a vehicle body for enclosing a door opening for movement along an operating path for opening the side entry door from the door opening and closing the side entry door to the door opening.
- the power door assembly has a motor oriented in the side entry door and a lead screw mounted on the side entry door and connected to the motor to be driven by the motor.
- the power door assembly has a link connected to the lead screw and adapted to be connected to the vehicle body adjacent to the door opening. The motor drives the lead screw to translate the link to open and close the side entry door.
- FIG. 1 is a side perspective view of a vehicle having a power side entry door in a closed position
- FIG. 2 is a side perspective view of the vehicle of FIG. 1 with the power side entry door in an open position;
- FIG. 3 is a perspective view of FIG. 1 ;
- FIG. 4 is a schematic view of the FIG. 1 ;
- FIG. 5 is a top plan view of FIG. 1 ;
- FIG. 6 is a top plan view of FIG. 2 ;
- FIG. 7 is an enlarged view of another embodiment of a portion of the vehicle of FIG. 6 ;
- FIG. 8 is a block diagram of embodiments of an obstacle detection system for use in a vehicle with a power side entry door
- FIG. 9 is a cross-sectional view of an embodiment of a rub strip of FIG. 1 ;
- FIG. 10 is a cross-sectional view of an embodiment of a door handle of FIG. 1 .
- FIG. 1 a vehicle is illustrated in accordance with an embodiment of the present invention and is referenced generally by numeral 10 .
- the vehicle 10 has a vehicle body 12 .
- a sedan is depicted and described, the invention contemplates utilization of any passenger vehicle.
- the vehicle body 12 has a front end 14 and a rear end 16 .
- the front end 14 is toward the forward direction of travel of the vehicle 10 and the rear end 16 is toward the rearward direction of travel of the vehicle 10 .
- Any size or shape for the vehicle body 12 , front end 14 and the rear end 16 is contemplated within the scope of the present invention.
- the first lateral side 18 has an A-pillar 20 , a B-pillar 22 and a C-pillar 24 .
- Each of the A-pillar 20 , a B-pillar 22 and a C-pillar 24 is supported on a top end by a roof member 26 and a bottom end by a floor member 28 .
- a roof member 26 and a bottom end by a floor member 28 .
- a floor member 28 is illustrated, any amount of pillars 20 is contemplated within the scope of the present invention.
- the A-pillar 20 , B-pillar 22 , roof member 26 and floor member 28 define a first door opening which is enclosed with a front side entry door 30 .
- the front side entry door 30 is a power door, which can be driven to an open position and a closed position.
- the front side entry door 30 is in the closed position in both FIGS. 1 and 2 .
- the front side entry door 30 may be hingedly connected the A-pillar 20 and have an operating path so that the front side entry door 30 opens toward the front end 14 of the vehicle 10 .
- the front side entry door 30 is hingedly connected to the B-pillar 22 so that the front door 30 opens toward the rear end 16 of the vehicle 10 . Any suitable hinged connection between the front side entry door 30 and one of the A-pillar 20 and B-pillar 22 is contemplated within the scope of the present invention.
- the B-pillar 22 , C-pillar 24 , roof member 26 and floor member 28 define a second door opening 34 as depicted in FIG. 2 with a rear side entry door 32 hingedly attached to the B-pillar 22 in the open position.
- the rear side entry door 32 is a power door which may be driven to an open position and a closed position.
- the rear side entry door 32 moves from the closed position illustrated in FIG. 1 to the open position illustrated in FIG. 2 along a corresponding operating path toward the front end 14 of the vehicle 10 .
- the rear side entry door 32 is hingedly connected to the C-pillar 24 so that the rear side entry door 32 moves toward the rear end 16 of the vehicle 10 . Any suitable hinged connection between the rear side entry door 32 and one of the B-pillar 22 and the C-pillar 24 is contemplated within the scope of the present invention.
- first lateral side 18 has one side entry door 30 or 32 while an opposing lateral side has one or more side entry doors 30 , 32 .
- first lateral side 18 has more than two side entry doors 30 and 32 while an opposing lateral side has one or more side entry doors 30 , 32 .
- the front side entry door 30 and the rear side entry door 32 each have a window 36 mounted therein.
- the window 36 may be powered to translate toward the floor member 28 to open the window 36 and subsequently is translatable toward the roof member 26 to close the window 36 .
- the front side entry door 30 and the rear side entry door 32 each have a rub strip 38 provided on an exterior portion of the doors 30 , 32 .
- the rub strips 38 provide protection from approaching objects for the doors 30 , 32 so that the exterior surface of the doors 30 , 32 is not damaged.
- the rub strips 38 may be made of any suitable material.
- the side entry doors 30 , 32 each have a handle 40 mounted thereto.
- the passenger can grasp the handle 40 to manually open one of the side entry doors 30 , 32 .
- the handle 40 actuates the power doors 30 , 32 .
- the rear side entry door 32 is illustrated in FIG. 2 with a latch assembly 42 .
- the latch assembly 42 allows the passenger to open and close one side entry door 32 .
- the latch assembly 42 may further include a striker 44 mounted on the vehicle body 12 and a latch 46 mounted in the door 32 as illustrated.
- the latch assembly 42 is connected with an inner handle (not shown) and the outer handle 40 so that when a passenger grasps one of the inner handle and the outer handle 40 , the striker 44 is released from the latch 46 to allow the passenger to manually translate the door 32 .
- Any suitable latch assembly 42 , striker 44 and/or latch 46 is contemplated within the scope of the present invention.
- the striker 44 may be mounted in the door 32 while the latch 46 is mounted on the vehicle body 12 .
- the latch assembly 42 is illustrated in the rear side entry door 32 , either side entry door 30 , 32 may utilize the latch assembly 42 .
- the rear side entry door 32 is illustrated in FIG. 2 with a locking mechanism 48 .
- Each of the side entry doors 30 , 32 has a locking mechanism 48 .
- the locking mechanism 48 prevents the opening and closing of the rear side entry door 32 when in a locked position so that if the passenger pulls on an inside handle or the outside handle 40 , the rear side entry door 32 does not open.
- the latch assembly 42 communicates directly with a lock controller 50 so that the locking mechanism 48 is not necessarily employed.
- the lock controller 50 utilizes computer software to signal a locked state and an unlocked state to the latch assembly 42 .
- the lock controller 50 When the lock controller 50 is in the locked state, the rear side entry door 32 cannot be opened even if the passenger grasps one of the inner handle and the outer handle 40 .
- the lock controller 50 When the lock controller 50 is in the unlocked state, the rear side entry door 32 can be opened if the passenger grasps one of the inner handle and the outer handle 40 so that the striker 44 is released from the latch 46 , which allows the passenger to manually translate the door 32 .
- a rear power side entry door 32 is depicted with paneling removed for illustration purposes. Although a power side entry door 32 is illustrated, in another embodiment the rear power side entry door is a front power side entry door 32 .
- the rear power side entry door 32 has a motor 52 , which drives the rear power side entry door 32 from the closed position, illustrated in FIG. 1 to the open position illustrated in FIGS. 2-3 .
- the motor 52 also drives the rear power side entry door 32 from the open position, illustrated in FIGS. 2-3 to the closed position illustrated in FIG. 1 .
- an electric D.C. motor 52 is utilized.
- any suitable motor 52 is contemplated within the scope of the present invention.
- the motor 52 is connected to a controller 54 , which sends a signal to activate the motor 52 to open the rear power side entry door 32 .
- the controller 54 receives an input signal provided to the controller 54 from a remote keyless entry receiver.
- the remote keyless entry receiver is in wireless communication with a remote keyless entry transmitter so that when a passenger presses a button on the remote keyless entry transmitter or otherwise actives the transmitter, the receiver receives the wireless communication and transmits the input signal to active the motor 52 .
- the input signal sent from the controller 54 to the motor 52 deactivates the motor 52 to stop motion of the rear power side entry door 32 .
- actuation of the controller 54 is achieved by an input signal provided to the controller 54 when a button is pressed or handle is pulled (not shown) on a portion of the latch system or on a door handle control system 56 .
- any suitable controller 54 may be utilized within the scope of the present invention.
- the motor 52 is connected to a transmission 58 to drive the rear power side entry door 32 to open and close.
- the transmission 58 has a lead screw 59 and a gear box 61 .
- the gear box 61 may be directly connected to the motor 52 to transmit the higher speed of the motor 52 into a lower output speed. The lower output speed of the gear box 61 is then transmitted to the lead screw 59 so that the lead screw 59 is translated.
- the transmission 58 has a prolonged life, which should require no maintenance during the life of the vehicle 10 .
- Lubrication is required to operate the lead screw 59 , which keeps the rear power side entry door 32 clean.
- the lead screw 59 has a long life, which allows for an overall long life for the rear power side entry door 32 .
- Operation of the lead screw 59 and gear box 61 is quiet in comparison to other power doors. Precision of the motion of the lead screw 59 may be increased by using a lead screw with a smaller thread.
- the lead screw 58 is connected by the gear box 61 to the motor 52 near one end and to a link 60 near a second end.
- the link 60 is pivotally connected to the lead screw 58 and pivotally connected to the pillar 22 of the vehicle body 12 .
- the rear power side entry door 32 is in a closed position.
- the motor 52 drives the lead screw 58 to translate a distance equal to a stroke, which may be predetermined and controlled by the controller 54 .
- the stroke is approximately four inches.
- the lead screw 58 is pivotally connected with the link 60 to push the link 60 away from the rear power side entry door 32 so that the rear power side entry door 32 pivots about the hinge 62 to open the rear power side entry door 32 .
- the lead screw 58 pulls link 60 toward the rear power side entry door 32 so that the rear power side entry door 32 pivots about the hinge 62 closing the rear power side entry door 32 .
- an electric clutch 64 is provided between the motor 52 and the lead screw 58 .
- the electric clutch 64 is connected to the controller 54 .
- the controller 54 provides a signal to the electric clutch 64 to engage and disengage the motor 52 from the transmission 58 .
- the electric clutch 64 disengages the motor 52 from the transmission 58 so that the passenger may manually open and close the rear power side entry door 32 .
- the electric clutch 64 engages the motor 52 and the lead screw 58
- the motor 52 drives the lead screw 58 to translate the link so that the rear power side entry door 32 pivots about the hinge 62 to open or close the rear power side entry door 32 .
- Any known electric clutch 64 may be employed.
- the motor 52 is depicted in connection with the transmission 58 , a lock controller 50 and a window transmission 66 .
- One motor 52 may be provided to drive each of the transmission 58 , the lock controller 50 and the window transmission 66 when the motor 52 is selectively engaged with one of the transmission 58 , the lock controller 50 and the window transmission 66 .
- a clutch 64 may be provided between the motor 52 and the transmission 58 to disengage the motor 52 while the motor drives the lock controller 50 or the window transmission 66 .
- the lock controller 50 is connected to the striker 44 and the locking mechanism 48 .
- the motor 52 drives the lock controller 50 to lock and unlock the locking mechanism 48 .
- the lock controller 50 has a lock clutch 51 mounted therein. The lock clutch 51 engages the motor 52 with the locking mechanism 48 to drive the locking mechanism 48 . The lock clutch 51 also disengages the motor 52 from the locking mechanism 48 to allow manual locking and unlocking of the locking mechanism and so that the motor 52 may be engaged with the transmission 58 to drive open the rear power side entry door 32 .
- the lock controller 50 has a solenoid 53 mounted therein. Of course, any suitable lock controller 50 is contemplated within the scope of the present invention.
- the motor 52 is connected with a window transmission 66 .
- the window transmission 66 translates the window 36 between open and closed positions.
- a window clutch 67 may be provided between the motor 52 and the window transmission 66 .
- the clutch 51 engages the motor 52 with the window transmission 66 to drive the window transmission 66 to open the window 36 .
- the clutch 51 also disengages the motor 52 from the window transmission 66 so that the motor 52 may be engaged with the transmission 58 to drive open the rear power side entry door 32 or so that the motor may be engaged with the lock controller 50 .
- Any suitable window transmission 66 is contemplated within the scope of the present invention.
- FIG. 7 an enlarged view of an embodiment of the rear power side entry door 32 in an open position is illustrated.
- the lead screw 58 is pivotally connected to the link 60 .
- the link is a check strap 60 which has a pivotal connection with the pillar 22 of the vehicle body 12 .
- the check strap 60 has a first detent 68 and a second detent 70 formed therein to cooperate with a roller 74 .
- the detents 68 , 70 allow the rear power side entry door 32 to stop in an intermediate open position and the fully open position.
- any suitable amount of detents 68 , 70 is contemplated within the scope of the present invention.
- the detents 68 , 70 may vary in size and/or shape to allow for varying smoothness of travel for the roller 74 and the rear power side entry door 32 .
- the rear power side entry door 32 With the roller in the first detent 68 , as illustrated, the rear power side entry door 32 is in the intermediate open position, which is between the closed position and the fully open position. In this position, the rear power side entry door 32 may be manually open or closed or may be driven open or closed. As the rear power side entry door 32 moves along the operation path as indicated by the arcuate arrow proximate check strap 60 , the roller 74 generally travels along the check strap away from the pillar 22 since the lead screw 58 moves toward the pillar 22 as indicated by the arrow proximate the motor 52 . When the roller 74 reaches the second detent 70 , the rear power side entry door 32 is in the fully open position.
- the rear power side entry door 32 is in the open position. If the roller 74 moves from the first detent 68 toward the pillar 22 , the rear power side entry door 32 moves from the intermediate position to the closed position.
- the roller 74 has a spring 76 mounted within the rear power side entry door 32 to further guide the roller 74 into the detents 68 , 70 to ensure that the rear power side entry door 32 stops in the open position and intermediate position.
- a second roller 78 may be provided to improve translation of the first roller 74 along the check strap 60 .
- an obstacle detection system is depicted and generally referenced by the numeral 80 .
- the obstacle detection system 80 allows for translation of the rear power side entry door 32 when an object is not detected in the operating path of the rear power side entry door 32 .
- Any suitable obstacle detection system 80 may be utilized.
- An example of an obstacle detection system 80 that may be employed is discussed in U.S. Pat. No. 7,219,945 issued to Gregory B. Zinn et al. on May 22, 2007, which is assigned to Ford Global Technologies, LLC and is incorporated by reference herein.
- a pinch protector member 82 is provided in communication with the obstacle detection system 80 .
- the pinch protector member 82 may be mounted on the rear power side entry door 32 , as depicted in FIG. 3 .
- the pinch protector member 82 is connected with the controller 54 to produce a signal to the controller 54 to stop the motor 52 if an object in detected by the pinch protector member 82 as is further discussed in the U.S. Pat. No. 7,219,945.
- the obstacle detection system 80 further includes a sensor system 84 .
- the sensor system 84 may communicate directly with the motor 52 to stop translation of the motor 52 .
- the sensor system 84 communicates with the clutch 64 to disengage the motor 52 from the transmission 58 to stop translation of the rear power side entry door 32 so that the rear power side entry door 32 does not collide with an object in the operating path.
- the sensor system 84 may have a first sensor 86 , a second sensor 88 and a third sensor 90 .
- the sensors 86 , 88 and 90 of the sensor system 84 are ultrasonic sensors such that they send out an ultrasonic signal to determine if an object is within range of the sensors 86 , 88 and 90 .
- the sensors 86 , 88 and 90 of the sensor system 84 are radar sensors by using electromagnetic waves to identify if an object is within the range of the sensors 86 , 88 and 90 .
- the first sensor 86 may be mounted within a rub strip 38 as illustrated in FIG. 9 to stop translation of the side entry door 32 when the side entry door 32 moves from a closed position to an open position.
- the first sensor 86 is not visible to an occupant because the rub strip 38 is provided on the side entry door (as seen in FIGS. 1 and 2 ) below a line of sight of a passenger and the placement of the sensor 86 on a bottom side of the rub strip 38 . If an object 92 is detected by the sensor 86 through the signal of the sensor 86 , then the sensor 86 provides an output signal to the motor 52 to stop translation of the motor 52 and stop the side entry door 32 from further opening. In another embodiment, the output signal of the sensor 86 is sent to the clutch 64 to disengage the motor 52 and stop translation of the side entry door 32 .
- the second sensor 88 may be mounted within a handle 40 to stop translation of the side entry door 32 when the side entry door 32 moves from a closed position to an open position.
- the second sensor 88 is not visible to an occupant because the handle 40 is provided on the side entry door (as seen in FIGS. 1 and 2 ) below the line of sight of the passenger and the placement of the sensor 88 on a bottom side of the handle 40 . If an object 92 is detected by the sensor 88 through the signal of the sensor 88 , then the sensor 88 provides an output signal to the motor 52 to stop translation of the motor 52 , thus preventing the side entry door 32 from opening any further. In another embodiment, the output signal of the sensor 88 is sent to the clutch 64 to disengage the motor 52 to stop the side entry door 32 from opening further.
- the third sensor 90 is depicted in alternative locations on the pillar 22 to stop translation of the side entry door 32 when the side entry door 32 moves from an open position to a closed position.
- the third sensor 90 is mounted at both of the locations on the pillar 22 depicted. Ff an object is detected by the third sensor 90 , then the sensor 90 provides an output signal to the motor 52 to stop translation of the motor 52 , as seen in FIG. 8 .
- the output signal of the sensor 90 is sent to the clutch 64 to disengage the motor 52 and stop the side entry door from closing further.
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Abstract
Description
- 1. Field of the Invention
- The invention generally relates to a power door for a passenger vehicle.
- 2. Background Art
- Passenger vehicles generally have at least one side-entry door located on either lateral side of a vehicle body of the passenger vehicle. Two or more doors are typically provided on one lateral side of the vehicle. These doors allow passenger ingress and egress to and from the vehicle. The doors for the passenger vehicles can be power doors so that manual translation of the doors is not required.
- Power side entry doors can have hinged connections between the door and the body. These power hinged doors can open toward the front end of the vehicles, which is often seen in various types of passenger vehicles. The power hinged doors can open toward a back end of the vehicles, which is commonly seen in many vehicles such as sedans, trucks, and vans.
- There are various existing power doors with hinged connections. Some common power doors utilize various types of rack and pinion opening and closing systems. Other common power doors are operated by linkages. Still other typical power doors are driven by a cable.
- Power side entry doors can have sliding connections between the door and the body. Power sliding doors are common in vehicles such as vans.
- In one embodiment, an automotive vehicle is disclosed having a vehicle body with a first pillar, a second pillar, a roof member and a floor member defining a door opening therebetween. A lateral side entry door is pivotally connected to the vehicle body for enclosing the door opening. The side entry door moves along an operating path having a closed position and an open position. The vehicle has a motor and a lead screw mounted in the side entry door and connected to the motor to be driven by the motor. The vehicle has a link connected to the lead screw and connected to the vehicle body adjacent to the door opening. The motor drives the lead screw to translate the link to open and close the side entry door.
- In another embodiment, an automotive vehicle is disclosed having a vehicle body with a first pillar, a second pillar, a roof member and a floor member defining a door opening therebetween. The vehicle has a side entry door pivotally connected to the vehicle body for enclosing the door opening. The side entry door moves along an operating path and having a closed position and an open position. The vehicle has a motor oriented in the side entry door. The vehicle has a transmission mounted in the side entry door and connected to the motor to be driven by the motor. The vehicle has a check strap mounted on the vehicle body and pivotally connected to the transmission. The check strap has at least one detent provided therein to cooperate with at least one roller for manual translation of the side entry door so that the check strap maintains the side entry door in an intermediate position between the open position and the closed position. The motor drives the lead screw to translate the check strap to open and close the side entry door.
- In yet another embodiment, a power door assembly for a vehicle is disclosed. The power door assembly has a side entry door with a first hinge portion to be pivotally connected to a vehicle body for enclosing a door opening for movement along an operating path for opening the side entry door from the door opening and closing the side entry door to the door opening. The power door assembly has a motor oriented in the side entry door and a lead screw mounted on the side entry door and connected to the motor to be driven by the motor. The power door assembly has a link connected to the lead screw and adapted to be connected to the vehicle body adjacent to the door opening. The motor drives the lead screw to translate the link to open and close the side entry door.
-
FIG. 1 is a side perspective view of a vehicle having a power side entry door in a closed position; -
FIG. 2 is a side perspective view of the vehicle ofFIG. 1 with the power side entry door in an open position; -
FIG. 3 is a perspective view ofFIG. 1 ; -
FIG. 4 is a schematic view of theFIG. 1 ; -
FIG. 5 is a top plan view ofFIG. 1 ; -
FIG. 6 is a top plan view ofFIG. 2 ; -
FIG. 7 is an enlarged view of another embodiment of a portion of the vehicle ofFIG. 6 ; -
FIG. 8 is a block diagram of embodiments of an obstacle detection system for use in a vehicle with a power side entry door; -
FIG. 9 is a cross-sectional view of an embodiment of a rub strip ofFIG. 1 ; and -
FIG. 10 is a cross-sectional view of an embodiment of a door handle ofFIG. 1 . - As required, detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention that may be embodied in various and alternative forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for the claims and/or as a representative basis for teaching one skilled in the art to variously employ the present invention.
- Referring now to
FIG. 1 , a vehicle is illustrated in accordance with an embodiment of the present invention and is referenced generally bynumeral 10. Thevehicle 10 has avehicle body 12. Although a sedan is depicted and described, the invention contemplates utilization of any passenger vehicle. - The
vehicle body 12 has afront end 14 and arear end 16. Thefront end 14 is toward the forward direction of travel of thevehicle 10 and therear end 16 is toward the rearward direction of travel of thevehicle 10. Any size or shape for thevehicle body 12,front end 14 and therear end 16 is contemplated within the scope of the present invention. - The first
lateral side 18 has anA-pillar 20, a B-pillar 22 and a C-pillar 24. Each of theA-pillar 20, a B-pillar 22 and a C-pillar 24 is supported on a top end by aroof member 26 and a bottom end by afloor member 28. Although anA-pillar 20, a B-pillar 22 and a C-pillar 24 are illustrated, any amount ofpillars 20 is contemplated within the scope of the present invention. - The A-pillar 20, B-
pillar 22,roof member 26 andfloor member 28 define a first door opening which is enclosed with a frontside entry door 30. As discussed below in further detail, the frontside entry door 30 is a power door, which can be driven to an open position and a closed position. The frontside entry door 30 is in the closed position in bothFIGS. 1 and 2 . The frontside entry door 30 may be hingedly connected the A-pillar 20 and have an operating path so that the frontside entry door 30 opens toward thefront end 14 of thevehicle 10. In another embodiment, the frontside entry door 30 is hingedly connected to the B-pillar 22 so that thefront door 30 opens toward therear end 16 of thevehicle 10. Any suitable hinged connection between the frontside entry door 30 and one of the A-pillar 20 and B-pillar 22 is contemplated within the scope of the present invention. - The B-
pillar 22, C-pillar 24,roof member 26 andfloor member 28 define a second door opening 34 as depicted inFIG. 2 with a rearside entry door 32 hingedly attached to the B-pillar 22 in the open position. As discussed below in further detail, the rearside entry door 32 is a power door which may be driven to an open position and a closed position. The rearside entry door 32 moves from the closed position illustrated inFIG. 1 to the open position illustrated inFIG. 2 along a corresponding operating path toward thefront end 14 of thevehicle 10. In another embodiment, the rearside entry door 32 is hingedly connected to the C-pillar 24 so that the rearside entry door 32 moves toward therear end 16 of thevehicle 10. Any suitable hinged connection between the rearside entry door 32 and one of the B-pillar 22 and the C-pillar 24 is contemplated within the scope of the present invention. - Although a front
side entry door 30 and a rearside entry door 32 are depicted inFIGS. 1-2 , any suitable amount ofside entry doors lateral side 18 has oneside entry door side entry doors lateral side 18 has more than twoside entry doors side entry doors - The front
side entry door 30 and the rearside entry door 32 each have awindow 36 mounted therein. Thewindow 36 may be powered to translate toward thefloor member 28 to open thewindow 36 and subsequently is translatable toward theroof member 26 to close thewindow 36. - As depicted, the front
side entry door 30 and the rearside entry door 32 each have arub strip 38 provided on an exterior portion of thedoors doors doors - In the illustrated embodiment, the
side entry doors handle 40 mounted thereto. The passenger can grasp thehandle 40 to manually open one of theside entry doors handle 40 actuates thepower doors - The rear
side entry door 32 is illustrated inFIG. 2 with alatch assembly 42. Thelatch assembly 42 allows the passenger to open and close oneside entry door 32. Thelatch assembly 42 may further include astriker 44 mounted on thevehicle body 12 and alatch 46 mounted in thedoor 32 as illustrated. Thelatch assembly 42 is connected with an inner handle (not shown) and theouter handle 40 so that when a passenger grasps one of the inner handle and theouter handle 40, thestriker 44 is released from thelatch 46 to allow the passenger to manually translate thedoor 32. Anysuitable latch assembly 42,striker 44 and/or latch 46 is contemplated within the scope of the present invention. Thestriker 44 may be mounted in thedoor 32 while thelatch 46 is mounted on thevehicle body 12. Although thelatch assembly 42 is illustrated in the rearside entry door 32, eitherside entry door latch assembly 42. - The rear
side entry door 32 is illustrated inFIG. 2 with alocking mechanism 48. Each of theside entry doors locking mechanism 48. Thelocking mechanism 48 prevents the opening and closing of the rearside entry door 32 when in a locked position so that if the passenger pulls on an inside handle or theoutside handle 40, the rearside entry door 32 does not open. - In one embodiment, the
latch assembly 42 communicates directly with alock controller 50 so that thelocking mechanism 48 is not necessarily employed. Thelock controller 50 utilizes computer software to signal a locked state and an unlocked state to thelatch assembly 42. When thelock controller 50 is in the locked state, the rearside entry door 32 cannot be opened even if the passenger grasps one of the inner handle and theouter handle 40. When thelock controller 50 is in the unlocked state, the rearside entry door 32 can be opened if the passenger grasps one of the inner handle and theouter handle 40 so that thestriker 44 is released from thelatch 46, which allows the passenger to manually translate thedoor 32. - Referring now to
FIG. 3 , a rear powerside entry door 32 is depicted with paneling removed for illustration purposes. Although a powerside entry door 32 is illustrated, in another embodiment the rear power side entry door is a front powerside entry door 32. - The rear power
side entry door 32 has amotor 52, which drives the rear powerside entry door 32 from the closed position, illustrated inFIG. 1 to the open position illustrated inFIGS. 2-3 . Themotor 52 also drives the rear powerside entry door 32 from the open position, illustrated inFIGS. 2-3 to the closed position illustrated inFIG. 1 . In one embodiment, anelectric D.C. motor 52 is utilized. Of course, anysuitable motor 52 is contemplated within the scope of the present invention. - In one embodiment, the
motor 52 is connected to acontroller 54, which sends a signal to activate themotor 52 to open the rear powerside entry door 32. In one embodiment, thecontroller 54 receives an input signal provided to thecontroller 54 from a remote keyless entry receiver. The remote keyless entry receiver is in wireless communication with a remote keyless entry transmitter so that when a passenger presses a button on the remote keyless entry transmitter or otherwise actives the transmitter, the receiver receives the wireless communication and transmits the input signal to active themotor 52. In another embodiment, the input signal sent from thecontroller 54 to themotor 52 deactivates themotor 52 to stop motion of the rear powerside entry door 32. - In another embodiment, actuation of the
controller 54 is achieved by an input signal provided to thecontroller 54 when a button is pressed or handle is pulled (not shown) on a portion of the latch system or on a doorhandle control system 56. Of course, anysuitable controller 54 may be utilized within the scope of the present invention. Themotor 52 is connected to atransmission 58 to drive the rear powerside entry door 32 to open and close. In the depicted embodiment, thetransmission 58 has alead screw 59 and agear box 61. Thegear box 61 may be directly connected to themotor 52 to transmit the higher speed of themotor 52 into a lower output speed. The lower output speed of thegear box 61 is then transmitted to thelead screw 59 so that thelead screw 59 is translated. - By employing a
lead screw 59, thetransmission 58 has a prolonged life, which should require no maintenance during the life of thevehicle 10. Lubrication is required to operate thelead screw 59, which keeps the rear powerside entry door 32 clean. Thelead screw 59 has a long life, which allows for an overall long life for the rear powerside entry door 32. Operation of thelead screw 59 andgear box 61 is quiet in comparison to other power doors. Precision of the motion of thelead screw 59 may be increased by using a lead screw with a smaller thread. Although alead screw 59 provides many advantages, anysuitable transmission 58 is contemplated within the scope of the present invention. - As depicted, the
lead screw 58 is connected by thegear box 61 to themotor 52 near one end and to alink 60 near a second end. Thelink 60 is pivotally connected to thelead screw 58 and pivotally connected to thepillar 22 of thevehicle body 12. - As illustrated in
FIG. 5 , the rear powerside entry door 32 is in a closed position. To move to the open position, illustrated inFIG. 6 , themotor 52 drives thelead screw 58 to translate a distance equal to a stroke, which may be predetermined and controlled by thecontroller 54. In one embodiment, the stroke is approximately four inches. Thelead screw 58 is pivotally connected with thelink 60 to push thelink 60 away from the rear powerside entry door 32 so that the rear powerside entry door 32 pivots about thehinge 62 to open the rear powerside entry door 32. To close the rear powerside entry door 32, thelead screw 58 pullslink 60 toward the rear powerside entry door 32 so that the rear powerside entry door 32 pivots about thehinge 62 closing the rear powerside entry door 32. - To allow manual translation of the rear power
side entry door 32 between the closed position illustrated inFIG. 5 and the open position illustrated inFIG. 6 , anelectric clutch 64 is provided between themotor 52 and thelead screw 58. In one embodiment, theelectric clutch 64 is connected to thecontroller 54. Thecontroller 54 provides a signal to the electric clutch 64 to engage and disengage themotor 52 from thetransmission 58. Theelectric clutch 64 disengages themotor 52 from thetransmission 58 so that the passenger may manually open and close the rear powerside entry door 32. When theelectric clutch 64 engages themotor 52 and thelead screw 58, themotor 52 drives thelead screw 58 to translate the link so that the rear powerside entry door 32 pivots about thehinge 62 to open or close the rear powerside entry door 32. Any known electric clutch 64 may be employed. - Referring now to
FIG. 4 , themotor 52 is depicted in connection with thetransmission 58, alock controller 50 and awindow transmission 66. Onemotor 52 may be provided to drive each of thetransmission 58, thelock controller 50 and thewindow transmission 66 when themotor 52 is selectively engaged with one of thetransmission 58, thelock controller 50 and thewindow transmission 66. A clutch 64 may be provided between themotor 52 and thetransmission 58 to disengage themotor 52 while the motor drives thelock controller 50 or thewindow transmission 66. - As depicted, the
lock controller 50 is connected to thestriker 44 and thelocking mechanism 48. In one embodiment, themotor 52 drives thelock controller 50 to lock and unlock thelocking mechanism 48. In another embodiment, thelock controller 50 has a lock clutch 51 mounted therein. Thelock clutch 51 engages themotor 52 with thelocking mechanism 48 to drive thelocking mechanism 48. The lock clutch 51 also disengages themotor 52 from thelocking mechanism 48 to allow manual locking and unlocking of the locking mechanism and so that themotor 52 may be engaged with thetransmission 58 to drive open the rear powerside entry door 32. In another embodiment, thelock controller 50 has asolenoid 53 mounted therein. Of course, anysuitable lock controller 50 is contemplated within the scope of the present invention. - In one embodiment, the
motor 52 is connected with awindow transmission 66. Thewindow transmission 66 translates thewindow 36 between open and closed positions. Awindow clutch 67 may be provided between themotor 52 and thewindow transmission 66. The clutch 51 engages themotor 52 with thewindow transmission 66 to drive thewindow transmission 66 to open thewindow 36. The clutch 51 also disengages themotor 52 from thewindow transmission 66 so that themotor 52 may be engaged with thetransmission 58 to drive open the rear powerside entry door 32 or so that the motor may be engaged with thelock controller 50. Anysuitable window transmission 66 is contemplated within the scope of the present invention. - With reference now to
FIG. 7 , an enlarged view of an embodiment of the rear powerside entry door 32 in an open position is illustrated. Thelead screw 58 is pivotally connected to thelink 60. As illustrated, the link is acheck strap 60 which has a pivotal connection with thepillar 22 of thevehicle body 12. - In the depicted embodiment, the
check strap 60 has afirst detent 68 and asecond detent 70 formed therein to cooperate with aroller 74. Thedetents side entry door 32 to stop in an intermediate open position and the fully open position. Of course, any suitable amount ofdetents detents roller 74 and the rear powerside entry door 32. - With the roller in the
first detent 68, as illustrated, the rear powerside entry door 32 is in the intermediate open position, which is between the closed position and the fully open position. In this position, the rear powerside entry door 32 may be manually open or closed or may be driven open or closed. As the rear powerside entry door 32 moves along the operation path as indicated by the arcuate arrowproximate check strap 60, theroller 74 generally travels along the check strap away from thepillar 22 since thelead screw 58 moves toward thepillar 22 as indicated by the arrow proximate themotor 52. When theroller 74 reaches thesecond detent 70, the rear powerside entry door 32 is in the fully open position. If theroller 74 rests in thesecond detent 70, the rear powerside entry door 32 is in the open position. If theroller 74 moves from thefirst detent 68 toward thepillar 22, the rear powerside entry door 32 moves from the intermediate position to the closed position. - The
roller 74 has aspring 76 mounted within the rear powerside entry door 32 to further guide theroller 74 into thedetents side entry door 32 stops in the open position and intermediate position. Asecond roller 78 may be provided to improve translation of thefirst roller 74 along thecheck strap 60. - Referring now to
FIG. 8 , an obstacle detection system is depicted and generally referenced by the numeral 80. Theobstacle detection system 80 allows for translation of the rear powerside entry door 32 when an object is not detected in the operating path of the rear powerside entry door 32. Any suitableobstacle detection system 80 may be utilized. An example of anobstacle detection system 80 that may be employed is discussed in U.S. Pat. No. 7,219,945 issued to Gregory B. Zinn et al. on May 22, 2007, which is assigned to Ford Global Technologies, LLC and is incorporated by reference herein. - In one embodiment, a
pinch protector member 82 is provided in communication with theobstacle detection system 80. Thepinch protector member 82 may be mounted on the rear powerside entry door 32, as depicted inFIG. 3 . Thepinch protector member 82 is connected with thecontroller 54 to produce a signal to thecontroller 54 to stop themotor 52 if an object in detected by thepinch protector member 82 as is further discussed in the U.S. Pat. No. 7,219,945. - In another embodiment, the
obstacle detection system 80 further includes asensor system 84. Thesensor system 84 may communicate directly with themotor 52 to stop translation of themotor 52. In another embodiment, thesensor system 84 communicates with the clutch 64 to disengage themotor 52 from thetransmission 58 to stop translation of the rear powerside entry door 32 so that the rear powerside entry door 32 does not collide with an object in the operating path. - The
sensor system 84 may have afirst sensor 86, asecond sensor 88 and athird sensor 90. Of course any suitable number ofsensors sensors sensor system 84 are ultrasonic sensors such that they send out an ultrasonic signal to determine if an object is within range of thesensors sensors sensor system 84 are radar sensors by using electromagnetic waves to identify if an object is within the range of thesensors - The
first sensor 86 may be mounted within arub strip 38 as illustrated inFIG. 9 to stop translation of theside entry door 32 when theside entry door 32 moves from a closed position to an open position. Thefirst sensor 86 is not visible to an occupant because therub strip 38 is provided on the side entry door (as seen inFIGS. 1 and 2 ) below a line of sight of a passenger and the placement of thesensor 86 on a bottom side of therub strip 38. If anobject 92 is detected by thesensor 86 through the signal of thesensor 86, then thesensor 86 provides an output signal to themotor 52 to stop translation of themotor 52 and stop theside entry door 32 from further opening. In another embodiment, the output signal of thesensor 86 is sent to the clutch 64 to disengage themotor 52 and stop translation of theside entry door 32. - As depicted in
FIG. 10 , thesecond sensor 88 may be mounted within ahandle 40 to stop translation of theside entry door 32 when theside entry door 32 moves from a closed position to an open position. Thesecond sensor 88 is not visible to an occupant because thehandle 40 is provided on the side entry door (as seen inFIGS. 1 and 2 ) below the line of sight of the passenger and the placement of thesensor 88 on a bottom side of thehandle 40. If anobject 92 is detected by thesensor 88 through the signal of thesensor 88, then thesensor 88 provides an output signal to themotor 52 to stop translation of themotor 52, thus preventing theside entry door 32 from opening any further. In another embodiment, the output signal of thesensor 88 is sent to the clutch 64 to disengage themotor 52 to stop theside entry door 32 from opening further. - With reference again to
FIG. 3 , thethird sensor 90 is depicted in alternative locations on thepillar 22 to stop translation of theside entry door 32 when theside entry door 32 moves from an open position to a closed position. In another embodiment, thethird sensor 90 is mounted at both of the locations on thepillar 22 depicted. Ff an object is detected by thethird sensor 90, then thesensor 90 provides an output signal to themotor 52 to stop translation of themotor 52, as seen inFIG. 8 . In another embodiment, the output signal of thesensor 90 is sent to the clutch 64 to disengage themotor 52 and stop the side entry door from closing further. - While embodiments of the invention have been illustrated and described, it is not intended that these embodiments illustrate and describe all possible forms of the invention. Rather, the words used in the specification are words of description rather than limitation, and it is understood that various changes may be made without departing from the spirit and scope of the invention.
Claims (20)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US11/844,661 US7500711B1 (en) | 2007-08-24 | 2007-08-24 | Power door for a passenger vehicle |
CN2008102126136A CN101372200B (en) | 2007-08-24 | 2008-08-25 | Power door for a passenger vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US11/844,661 US7500711B1 (en) | 2007-08-24 | 2007-08-24 | Power door for a passenger vehicle |
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US20090051192A1 true US20090051192A1 (en) | 2009-02-26 |
US7500711B1 US7500711B1 (en) | 2009-03-10 |
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US11/844,661 Active US7500711B1 (en) | 2007-08-24 | 2007-08-24 | Power door for a passenger vehicle |
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Also Published As
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CN101372200B (en) | 2010-12-08 |
CN101372200A (en) | 2009-02-25 |
US7500711B1 (en) | 2009-03-10 |
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