SENSOR-CONTROLLED ANTI-JAMMING DEVICE AND MOTOR VEHICLE

• US 20090171537A1
• Filed: 04/19/2007
• Published: 07/02/2009
• Est. Priority Date: 04/27/2006
• Status: Abandoned Application

• Current Assignee: Webasto AG (Webasto Beteiligungs Verwaltung Gbr)
• Original Assignee: Webasto AG (Webasto Beteiligungs Verwaltung Gbr)
• Inventors: Appel, Josef, Kraus, Thomas, Jöhl, Anton Dietmar
• Application Number:
  US12/298,405
• Publication Number:
  US 20090171537A1
• Time in Patent Office: Days
• US Class Current: 701/49
• CPC Class Codes: E05F 15/46 responsive to changes in electrical capacitance
• CPC Class Codes: E05Y 2900/546 Tailboards, tailgates or sideboards opening upwards

Abstract

The invention relates to a sensor-controlled anti jamming device for preventing jamming of an object, in particular in or for a motor vehicle. Said device comprises a body part and a motor-actuatable component which is connected in a pivotable manner to the body part, at least one support element which, when the component is in the open state, supports the component against the body part, and at least one capacitive sensor element which is arranged, when the component is open, between said component and the body part, and is configured such that in a closing step, an object can be detected in a predefined jamming area between the component and the body part.

Claims

1. A sensor-controlled anti-trapping device for preventing trapping of an object, in particular in or for a motor vehicle,

having a vehicle body part and a motor-activated component which is pivotably connected to the vehicle body part,

having at least one support element which supports component against the vehicle body part in an opened state of the component, and

having at least one capacitive sensor element which, in the opened state of the component, is arranged between the component and the vehicle body part, and which is configured to detect an object located in a predetermined trapping region between the component and the vehicle body part during a closing process.

2. The device of claim 1, characterized in that the component is pivotably attached to the vehicle body part via a pivoting axle, and in that the predetermined trapping region denotes a first gap in the direct vicinity of the pivoting axle.

3. The device of claim 1, characterized in that the predetermined trapping region denotes a second gap between the vehicle body part and the support element and/or a third gap between the support element and the component.

4. The device of claim 1, characterized in that the support element is electrically insulated from the component and/or the vehicle body part.

5. The device of claim 1, characterized in that the sensor element is part of the support element.

6. The device of claim 1, characterized in that the sensor element is attached to the support element by means of a bonding layer and/or clip closure and/or screwed connection and/or plug-in connection.

7. The device of claim 1, characterized in that a laterally arranged panel element is provided between the component and/or the vehicle body part, and in that the sensor element is part of the panel element.

8. The device of claim 7, characterized in that the panel element is attached to the support element.

9. The device of claim 7, characterized in that the panel element is attached in an electrically insulated fashion to a pivoting axle for the tailgate, or in that the panel element is attached in an electrically insulated fashion to the component or to the vehicle body part in the vicinity of a pivoting axle for the component.

10. The device of claim 1, characterized in that a further sensor element is provided which is arranged on that edge of the component where there is a risk of trapping and/or on that edge of the vehicle body part where there is a risk of trapping.

11. The device of claim 1, characterized in that at least one of the sensor elements has a contactless proximity sensor.

12. The device of claim 1, characterized in that at least one of the sensor elements is embodied as an electrically conductive coating and/or wire electrode and/or foil and/or piece of sheet metal.

13. The device of claim 1, characterized in that the support element has a gas pressure spring and/or is acted on by a spring-elastic element.

14. The device of claim 1, characterized in that the anti trapping device has an open-loop control and evaluation device which is coupled to the sensor elements, evaluates sensor signals of the sensor elements and which controls the anti-trapping protection as a function of the evaluation.

15. The device of claim 14, characterized in that a drive motor is provided which moves the component as a function of an open-loop control operation of the open-loop control and evaluation device, wherein for an opening and/or closing process of the component the drive motor acts on an adjustment mechanism, and wherein the component is connected to this adjustment mechanism via a driver.

16. A motor vehicle of claim 1 having a sensor-controlled anti-trapping device.

17. The motor vehicle of claim 16, characterized in that the component is embodied as a tailgate, as a trunk lid, as a sliding door, as a side door and/or as a sunroof or tilt and slide sunroof of the motor vehicle.