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    U.S. Patent and Trademark Office Awards Patent for Synchronous Generator of a Gearless Wind Turbine and Method for Producing a Synchronous Generator and Use of Form Coils

    November 17, 2021 - Electrical Patent News


      Alexandria, Nov. 16 -- U.S. Patent and Trademark Office has awarded Wobben Properties a patent for synchronous generator of a gearless wind turbine and method for producing a synchronous generator and use of form coils. Ziems Jan Carsten and Roer Jochen developed the invention. The patent application number is 16/300,509. The International Patent Classification codes are H02K 1/16 (20060101), H02K 7/18 (20060101), H02K 3/14 (20060101), F03D 15/20 (20160101), F03D 9/25 (20160101), H02K 3/02 (20060101), H02K 15/00 (20060101) and H02K 3/16 (20060101). Cooperative Patent Classification codes are H02K 15/0037 (20130101), F03D 15/20 (20160501), H02K 3/02 (20130101), H02K 7/1838 (20130101), H02K 3/16 (20130101), H02K 3/14 (20130101), H02K 15/0087 (20130101), H02K 1/16 (20130101), H02K 1/165 (20130101), F03D 9/25 (20160501), F05B 2260/96 (20130101), F05B 2280/1072 (20130101), F05B 2220/7066 (20130101), Y02E 10/72 (20130101) and H02K 2213/12 (20130101).

      According to the abstract released by the U.S. Patent and Trademark Office: "A synchronous generator of a gearless wind turbine is provided. The synchronous generator includes a rotor and a stator. The stator has a stator ring having teeth and slots arranged therebetween for receiving a stator winding. In a circumferential direction, the stator ring is divided into stator segments, each having an equal number of slots. Within a segment, the slots have a substantially equal spacing with respect to each another in the circumferential direction. In at least one connecting region of two segments, the spacing of at least two adjacent slots, which are each assigned to one of two different segments, differs from the spacing of the slots within a segment. The stator winding is formed with form coils. A method for producing a synchronous generator is provided and a use of aluminum and copper form coils in the generator is provided."


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