• Patent Title: Electrical pitch control system and a method for operating at least one rotor blade and use of the system for performing the method
  • Application No.: US16076796
    Application Date: 2017-03-14
  • Publication No.: US11085416B2
    Publication Date: 2021-08-10
  • Inventor: Jesper Thomsen
  • Applicant: DEIF A/S
  • Applicant Address: DK Outrup
  • Assignee: DEIF A/S
  • Current Assignee: DEIF A/S
  • Current Assignee Address: DK Outrup
  • Agency: Melcher Patent Law PLLC
  • Agent Jeffrey S. Melcher
  • Priority: DKPA201600163 20160316
  • International Application: PCT/EP2017/055949 WO 20170314
  • International Announcement: WO2017/157912 WO 20170921
  • Main IPC: F03D7/02
  • IPC: F03D7/02 F03D7/04
Electrical pitch control system and a method for operating at least one rotor blade and use of the system for performing the method
Abstract:
Pitch control system (1) for at least one rotor blade (17) for a wind turbine comprising a nacelle (16), as well as a hub (15) both place on the top of a tower (18) and at least one rotor blade (17). The system comprises at least one electrical pitch drive system (3) each drive system (3) is connected to a rotor blade (17) and an electrical pitch motor (2). The electrical pitch drive system(s) (3) is/are adapted to communicate with units comprising the motor(s) (2) for pitching the rotor blade (17) it is attached to and in accordance with inputs registered from a first sensor and a second sensor (20). Each electrical pitch drive system (3) comprises a gyroscope (22) adapted to register an angle value of the longitudinal axis of the rotor blade (17) with respect to the gravity. A processor is adapted to calculate the position of the rotor blade (17) based on said values.
Information query
Patent Agency Ranking
0/0