×

Adjusting device, air deflecting system, control member and device enabling aerodynamic resistance of a semi-trailer to be reduced

  • US 7,984,920 B2
  • Filed: 12/18/2008
  • Issued: 07/26/2011
  • Est. Priority Date: 09/18/2004
  • Status: Active Grant
First Claim
Patent Images

1. A device for reducing the air resistance of a tractor and semi-trailer combination comprised of a tractor and a semi-trailer, comprising:

  • a displacement device for displacing a fifth wheel coupling in a longitudinal direction of the tractor, the displacement device having a motor drive and a position sensor,a lifting device for raising or lowering the fifth wheel coupling, the lifting device having a motor drive and a position sensor,and further comprised of a wind deflector which is swingably mounted on a cap of the tractor, the wind deflector having a motor drive and a position sensor,wherein the position sensors detect the position of at least the wind deflector and the fifth wheel coupling, with the drives and position sensors being connected to a common control device.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×