US 11,927,176 B2
Bearing arrangement for a wind turbine and wind turbine
Edom Demissie, Sheffield (GB); Claus Michaelsen, Herning (DK); and Morten Soerensen, Horsens (DK)
Assigned to SIEMENS GAMESA RENEWABLE ENERGY A/S, Brande (DK)
Filed by Siemens Gamesa Renewable Energy A/S, Brande (DK)
Filed on Sep. 9, 2020, as Appl. No. 17/015,128.
Claims priority of application No. 19197448 (EP), filed on Sep. 16, 2019.
Prior Publication US 2021/0079899 A1, Mar. 18, 2021
Int. Cl. F03D 80/70 (2016.01); F03D 9/25 (2016.01); F03D 13/40 (2016.01); F03D 80/80 (2016.01); F16C 17/10 (2006.01)
CPC F03D 80/70 (2016.05) [F03D 9/25 (2016.05); F03D 13/40 (2016.05); F03D 80/703 (2023.08); F03D 80/80 (2016.05); F16C 17/105 (2013.01); F05B 2240/14 (2013.01); F16C 2360/31 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A bearing arrangement for a wind turbine comprising a bearing housing and a drive shaft, wherein the drive shaft is arranged within the bearing housing in an axial direction along a longitudinal axis of the bearing housing, the bearing arrangement further comprising a downwind bearing and an upwind bearing as radial fluid bearings, wherein the downwind bearing and the upwind bearing are arranged between the bearing housing and the drive shaft, wherein, the bearing housing is formed from at least three separate bearing housing pieces, wherein the at least three separate bearing housing pieces are joined with each other, wherein each of the at least three separate bearing housing pieces comprise radially extending flange portions joined with each other by means of fasteners, wherein the drive shaft is formed from at least three separate drive shaft pieces joined with each other, and
wherein at least one drive shaft piece of the at least three separate drive shaft pieces is arranged at least partially within each of the at least three separate bearing housing pieces in the axial direction along the longitudinal axis of the bearing housing.