US 12,071,927 B2
Field machining of wind turbine gearboxes
Curt Eliason, Howard, SD (US); and Michael Sebert, Howard, SD (US)
Assigned to Renew Energy Maintenance, LLC, Sioux Falls, SD (US)
Filed by Renew Energy Maintenance, LLC, Sioux Falls, SD (US)
Filed on Mar. 23, 2023, as Appl. No. 18/189,165.
Application 18/189,165 is a division of application No. 17/579,649, filed on Jan. 20, 2022, granted, now 11,624,351.
Application 17/579,649 is a division of application No. 17/164,069, filed on Feb. 1, 2021, granted, now 11,261,848, issued on Mar. 1, 2022.
Claims priority of provisional application 62/968,267, filed on Jan. 31, 2020.
Prior Publication US 2023/0228249 A1, Jul. 20, 2023
Int. Cl. B23P 6/00 (2006.01); B23F 21/12 (2006.01); B23F 23/12 (2006.01); F03D 15/00 (2016.01); F03D 80/50 (2016.01); F16H 57/021 (2012.01); B66C 19/00 (2006.01); F16H 57/00 (2012.01); F16H 57/02 (2012.01)
CPC F03D 15/00 (2016.05) [B23F 21/12 (2013.01); B23F 23/1206 (2013.01); B23P 6/002 (2013.01); F03D 80/50 (2016.05); F16H 57/021 (2013.01); B66C 19/00 (2013.01); F05B 2230/80 (2013.01); F16H 2057/0068 (2013.01); F16H 2057/02078 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A wind turbine gearbox repair assembly comprising:
a sleeve having an inner diameter configured to receive a bearing assembly and an outer diameter configured to fit within a bore of a gearbox housing, the gearbox housing being part of a gearbox of a wind turbine;
a retaining plate configured to be attached to the gearbox housing for preventing an outer race of the bearing assembly from rotating in the bore relative to the gearbox housing; and
a cutting tool configured to cut a surface of the gearbox housing such that the bore in the gearbox housing is of sufficient size to receive the sleeve.