Patents by Inventor Juergen Hallen

Juergen Hallen 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).

  • Publication number: 20140213400
    Abstract: A belt system comprising a driver pulley, a driven pulley, a belt trained between the driver pulley and the driven pulley, a belt tensioning device engaged with the belt, a first idler engaged with the belt between the driver pulley and the driven pulley, a second idler engaged with the belt, the second idler engaged with the belt span immediately upstream of the driver pulley, the second idler comprising an arm journalled to a base, the arm urged to load the belt by a torsion spring, the arm having an effective length of less than 6 mm, and the torsion spring having a spring rate of approximately 0.128 mm/deg.
    Type: Application
    Filed: January 31, 2013
    Publication date: July 31, 2014
    Inventor: Juergen Hallen
  • Patent number: 8734279
    Abstract: A tensioner comprising a sleeve, an adjuster cooperatively engaged with an inner surface of the sleeve, a pivot arm pivotally engaged with the sleeve, a pulley journalled to the pivot arm, a torsion spring engaged with the sleeve for urging the pivot arm, an elastomeric damping ring connected to the arm and in compressive frictional contact between the sleeve and the arm whereby a tangential friction force damps a pivot arm movement, the elastomeric damping ring exerting a radial force on the sleeve, and a retaining member connected to the adjuster and cooperatively engaged with the sleeve whereby the adjuster and sleeve are kept in a predetermined relation.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: May 27, 2014
    Assignee: Gates Corporation
    Inventors: Peter Ward, Juergen Hallen, Holger Schever
  • Publication number: 20120316018
    Abstract: A tensioner comprising a pulley, a base having a sleeve, an arm pivotally engaged with the base, the pulley journalled to the arm, a torsion spring connected between the arm and the base, an adjuster member rotatably engaged within a sleeve hole, a damping member fixedly connected to the arm, the damping member compressed between the arm and the base in an axial direction, the damping member having a frictional engagement with the base to damp an arm oscillation, and a retainer having an expandable member connectable to the adjuster, the expandable member engaged with a sleeve groove.
    Type: Application
    Filed: June 8, 2011
    Publication date: December 13, 2012
    Inventors: Peter Ward, Juergen Hallen
  • Publication number: 20120316019
    Abstract: A tensioner comprising a sleeve, an adjuster cooperatively engaged with an inner surface of the sleeve, a pivot arm pivotally engaged with the sleeve, a pulley journalled to the pivot arm, a torsion spring engaged with the sleeve for urging the pivot arm, an elastomeric damping ring connected to the arm and in compressive frictional contact between the sleeve and the arm whereby a tangential friction force damps a pivot arm movement, the elastomeric damping ring exerting a radial force on the sleeve, and a retaining member connected to the adjuster and cooperatively engaged with the sleeve whereby the adjuster and sleeve are kept in a predetermined relation.
    Type: Application
    Filed: June 8, 2011
    Publication date: December 13, 2012
    Inventors: Peter Ward, Juergen Hallen, Holger Schever
  • Patent number: 7951030
    Abstract: A tensioner comprising a base, an arm pivotally engaged with the base, a pulley journalled to the arm, a torsion spring engaged between the arm and the base, the base comprising a cantilever leaf spring, a first friction disk operationally disposed between the cantilever leaf spring and the arm, the cantilever leaf spring biasing the first friction disk into frictional contact with the arm, the first friction disk rotationally fixed with respect to the base, a second friction disk rotationally fixed with respect to the base, a separator member disposed between the first friction disk and the second friction disk, the first friction disk and the second friction disk each having a wet coefficient of friction of approximately 0.12, and the separator member rotationally fixed with respect to the arm.
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: May 31, 2011
    Assignee: The Gates Corporation
    Inventors: Peter Alan Ward, Juergen Hallen
  • Patent number: 7946938
    Abstract: A tensioner comprising a base, an arm engaged with the base for oscillatory movement, a torsion spring engaged with the base and the arm, the torsion spring exerting a force on the arm, a damping mechanism exerting a frictional damping force between the base and the arm for damping an arm oscillation, the damping mechanism comprising a Belleville spring, the frictional damping force instantaneously adjustable by changing a Belleville spring force.
    Type: Grant
    Filed: November 9, 2007
    Date of Patent: May 24, 2011
    Assignee: The Gates Corporation
    Inventor: Juergen Hallen
  • Publication number: 20100144473
    Abstract: A tensioner comprising a base, an arm pivotally engaged with the base, a pulley journalled to the arm, a torsion spring engaged between the arm and the base, the base comprising a cantilever leaf spring, a first friction disk operationally disposed between the cantilever leaf spring and the arm, the cantilever leaf spring biasing the first friction disk into frictional contact with the arm, the first friction disk rotationally fixed with respect to the base, a second friction disk rotationally fixed with respect to the base, a separator member disposed between the first friction disk and the second friction disk, the first friction disk and the second friction disk each having a wet coefficient of friction of approximately 0.12, and the separator member rotationally fixed with respect to the arm.
    Type: Application
    Filed: December 4, 2008
    Publication date: June 10, 2010
    Inventors: Peter Alan Ward, Juergen Hallen
  • Publication number: 20100069185
    Abstract: A tensioner comprising a base having a sleeve, an arm pivotally engaged with the sleeve, a spring engaged between the arm and the base, a pulley journalled to the arm, an adjuster engaged with the sleeve for rotationally adjusting a position of the sleeve on a mounting surface, three or more concentric cylindrical bushings, each bushing frictionally engaged with the arm and the sleeve for damping an arm movement, and the cylindrical bushings suitable for operation in lubricant.
    Type: Application
    Filed: September 18, 2008
    Publication date: March 18, 2010
    Inventors: Peter Alan Ward, Juergen Hallen
  • Publication number: 20090124442
    Abstract: A tensioner comprising a base, an arm engaged with the base for oscillatory movement, a torsion spring engaged with the base and the arm, the torsion spring exerting a force on the arm, a damping mechanism exerting a frictional damping force between the base and the arm for damping an arm oscillation, the damping mechanism comprising a Belleville spring, the frictional damping force instantaneously adjustable by changing a Belleville spring force.
    Type: Application
    Filed: November 9, 2007
    Publication date: May 14, 2009
    Inventor: Juergen Hallen
  • Patent number: 7320262
    Abstract: A tensioner comprising a base having a toothed portion, a pivot arm pivotally engaged with the base, a pulley journalled to the pivot arm, a spring disposed between the base and the pivot arm for biasing the pivot arm in a first direction, a mechanism disposed on the pivot arm and engaged with the base, the mechanism comprising a rotatable geared member and a second spring engaged between the geared member and the pivot arm, the second spring biasing the pivot arm in the first direction, and the geared member having a non-toothed portion that when the non-toothed portion is engaged with the toothed portion it prevents substantial rotation of the pivot arm in a reverse direction from the first direction.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: January 22, 2008
    Assignee: The Gates Corporation
    Inventor: Juergen Hallen
  • Patent number: 7217207
    Abstract: A tensioner comprising a base having a toothed portion, a pivot arm pivotally engaged with the base, a pulley journalled to the pivot arm, a spring disposed between the base and the pivot arm for biasing the pivot arm in a first direction, a mechanism disposed on the pivot arm and engaged with the base, the mechanism comprising a rotatable geared member and a second spring engaged between the geared member and the pivot arm, the second spring biasing the pivot arm in the first direction, and the geared member having a non-toothed portion that when the non-toothed portion is engaged with the toothed portion it prevents substantial rotation of the pivot arm in a reverse direction from the first direction.
    Type: Grant
    Filed: November 3, 2005
    Date of Patent: May 15, 2007
    Assignee: The Gates Corporation
    Inventor: Juergen Hallen
  • Publication number: 20070099737
    Abstract: A tensioner comprising a base having a toothed portion, a pivot arm pivotally engaged with the base, a pulley journalled to the pivot arm, a spring disposed between the base and the pivot arm for biasing the pivot arm in a first direction, a mechanism disposed on the pivot arm and engaged with the base, the mechanism comprising a rotatable geared member and a second spring engaged between the geared member and the pivot arm, the second spring biasing the pivot arm in the first direction, and the geared member having a non-toothed portion that when the non-toothed portion is engaged with the toothed portion it prevents substantial rotation of the pivot arm in a reverse direction from the first direction.
    Type: Application
    Filed: June 7, 2006
    Publication date: May 3, 2007
    Inventor: Juergen Hallen
  • Publication number: 20070099736
    Abstract: A tensioner comprising a base having a toothed portion, a pivot arm pivotally engaged with the base, a pulley journalled to the pivot arm, a spring disposed between the base and the pivot arm for biasing the pivot arm in a first direction, a mechanism disposed on the pivot arm and engaged with the base, the mechanism comprising a rotatable geared member and a second spring engaged between the geared member and the pivot arm, the second spring biasing the pivot arm in the first direction, and the geared member having a non-toothed portion that when the non-toothed portion is engaged with the toothed portion it prevents substantial rotation of the pivot arm in a reverse direction from the first direction.
    Type: Application
    Filed: November 3, 2005
    Publication date: May 3, 2007
    Inventor: Juergen Hallen