US 12,276,255 B2
Insulated pitch tube
Dirk Strasser, Breckerfeld (DE); Dietmar Weist, Dortmund (DE); Deyan Stoyanov, Bochum (DE); and Ralf Sperlich, Witten (DE)
Assigned to ZF FRIEDRICHSHAFEN AG, Friedrichshafen (DE); ZF WIND POWER ANTWERPEN N.V., Lommel (BE); and VESTAS WIND SYSTEMS A/S, Aarhus N (DK)
Appl. No. 17/642,713
Filed by ZF FRIEDRICHSHAFEN AG, Friedrichshafen (DE); ZF WIND POWERANTWERPEN N.V., Lommel (BE); and VESTAS WIND SYSTEMS A/S, Aarhus (DK)
PCT Filed Aug. 17, 2020, PCT No. PCT/EP2020/072957
§ 371(c)(1), (2) Date Mar. 14, 2022,
PCT Pub. No. WO2021/052693, PCT Pub. Date Mar. 25, 2021.
Claims priority of application No. 19198725 (EP), filed on Sep. 20, 2019.
Prior Publication US 2022/0341398 A1, Oct. 27, 2022
Int. Cl. F01D 25/00 (2006.01); F03D 15/00 (2016.01); F16H 15/52 (2006.01); F16H 57/029 (2012.01); F03D 80/80 (2016.01); F16H 57/02 (2012.01)
CPC F03D 15/00 (2016.05) [F16H 15/52 (2013.01); F16H 57/029 (2013.01); F03D 80/85 (2016.05); F05B 2260/40 (2013.01); F16H 2057/02078 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An arrangement, comprising:
a transmission part,
a pitch tube, and
a fixation device configured to affix the pitch tube to the transmission part, the fixation device including a base body and an electrical non-conductor,
wherein the fixation device is electrically insulated from the pitch tube by the electrical non-conductor, and
wherein the electrical non-conductor is arranged in its entirety between the transmission part and the base body of the fixation device.