Patents by Inventor Andreas Lehnen

Andreas Lehnen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9683624
    Abstract: A closure package for closing a damper tube of a vibration damper includes a main body configured to be sealingly disposed the damper tube and through which a piston rod of the vibration damper can be sealingly guided. The main body has an opening into which a guide bushing for guiding the piston rod is inserted. At least one sealing unit is disposed in the main body and configured to seal against the piston rod. The guide bushing has a circumferential collar extending radially outwards at one end face that abuts against the sealing unit.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: June 20, 2017
    Assignee: THYSSENKRUPP BILSTEIN GMBH
    Inventors: Andreas Lehnen, Guido Stiller, Hanno Luczak
  • Publication number: 20150316119
    Abstract: The present invention relates to a closure package (1) for closing a damper tube (10) for a vibration damper, with a main body (11) which is designed for sealing arrangement in the damper tube (10) and through which a piston rod (12) of the vibration damper can be sealingly guided, and wherein the main body (11) has an opening in which a guide bush (13) for guiding the piston rod (12) is inserted and wherein at least one sealing unit (14, 15) is provided for sealing contact with the piston rod (12). According to the invention, the guide bush (13) has a circumferential collar (16) pointing radially outwards at one end face and adjoined by the sealing unit (14).
    Type: Application
    Filed: November 20, 2013
    Publication date: November 5, 2015
    Applicant: THYSSENKRUPP BILSTEIN GMBH
    Inventors: Andreas LEHNEN, Guido STILLER, Hanno LUCZAK
  • Publication number: 20010044367
    Abstract: In order to adjust a folding length of a folded sheet running into a folder pocket, a pocket stop extending within the folder pocket, transversely with respect to a sheet running direction, is adjusted by a motor. In order to ensure the exact motorized adjustment of both sides of the pocket stop, the adjustment is carried out with the aid of two threaded spindles. In this case, the threaded spindles are coupled to each other in such a way that a coordinated movement between them is made possible.
    Type: Application
    Filed: May 17, 2001
    Publication date: November 22, 2001
    Inventors: Markus Belmann, Oliver Fritzsch, Andreas Lehnen