Patents Assigned to Windtech GmbH
  • Publication number: 20090302609
    Abstract: A power train for a wind power plant includes a rotor (1) for driving a gear (4), wherein the rotor blades (2) of the rotor are pivotally arranged around the longitudinal axis thereof on the hub of the rotor (1). A three-phase generator (5) is connected to the gear (4) and a power supply network (12). The gear (4) is also provided with an auxiliary variable speed drive (7). Each rotor blade (2) is provided with a drive for individually rotating around the longitudinal axis thereof for levelling the rotation speed and/or the torque of the power train.
    Type: Application
    Filed: June 11, 2009
    Publication date: December 10, 2009
    Applicant: Windtech GMBH
    Inventor: Gerald Hehenberger
  • Patent number: 7560824
    Abstract: A power train for a wind power plant includes a rotor (1) for driving a gear (4), wherein the rotor blades (2) of the rotor are pivotally arranged around the longitudinal axis thereof on the hub of the rotor (1). A three-phase generator (5) is connected to the gear (4) and a power supply network (12). The gear (4) is also provided with an auxiliary variable speed drive (7). Each rotor blade (2) is provided with a drive for individually rotating around the longitudinal axis thereof for levelling the rotation speed and/or the torque of the power train.
    Type: Grant
    Filed: August 1, 2005
    Date of Patent: July 14, 2009
    Assignee: Windtech GmbH
    Inventor: Gerald Hehenberger