US 12,704,150 B2Granted

Bearing arrangement for a rotating component of a wind turbine

AssigneeNordex Energy GmbH

InventorMartin Harich

Life of this patent

Estimating the term…

Loading patent…

Abstract

A bearing arrangement for a rotating component of a wind turbine includes a first roller bearing and a second roller bearing. The rotating component defines a rotational axis and is supported by the first roller bearing and the second roller bearing. A bearing housing supports the roller bearing. The first roller bearing, the second roller bearing, the rotating component and the bearing housing are arranged to conjointly define a pretension circuit. A first bearing outer ring is axially moveable along the rotational axis with respect to the bearing housing and/or is radially deformable with respect to the rotational axis. An actuation device extends through an opening of the bearing housing and is accessible from outside of the bearing housing. Upon actuation of the actuation device, the pretension of the bearing arrangement is adjusted.

Claims20

Dependent claims

A bearing arrangement for a rotating component of a wind turbine, the bearing arrangement comprising:

a first roller bearing and a second roller bearing;
said rotating component defining a rotational axis and being supported by said first roller bearing and said second roller bearing;
a bearing housing supporting said first roller bearing and said second roller bearing;
said first roller bearing, said second roller bearing, said rotating component and said bearing housing being arranged to form a pretension circuit;
said first roller bearing including a first bearing inner ring, a first bearing outer ring and rolling elements arranged between said first bearing inner ring and said first bearing outer ring;
said second roller bearing including a second bearing inner ring, a second bearing outer ring, and rolling elements arranged between said second bearing inner ring and said second bearing outer ring;
said first roller bearing and said second roller bearing being distant from one another in the axial direction along the rotational axis;
said first bearing outer ring being so arranged that at least one of the following is applicable:
i) said first bearing outer ring being axially moveable along said rotational axis with respect to said bearing housing;
and
ii) said first bearing outer ring being radially deformable with respect to said rotational axis;
said bearing housing having an opening formed therein;
an actuation device extending through said opening and being accessible from outside said bearing housing;
and,
upon actuation, said actuation device being configured so as to cause at least one of the following:
i) an axial movement of said first bearing outer ring to adjust said position of said bearing arrangement;
and,
ii) a radial deformation of said first bearing outer ring to adjust a pretension of said bearing arrangement.

15 more elements

A bearing arrangement for a rotating component of a wind turbine, the bearing arrangement comprising:

a first roller bearing and a second roller bearing;
said rotating component defining a rotational axis and being supported by said first roller bearing and said second roller bearing;
a bearing housing supporting said first roller bearing and said second roller bearing;
said first roller bearing, said second roller bearing, said rotating component and said bearing housing being arranged to form a pretension circuit;
said first roller bearing including a first bearing inner ring, a first bearing outer ring and rolling elements arranged between said first bearing inner ring and said first bearing outer ring;
said first bearing outer ring being so arranged that at least one of the following is applicable:
i) said first bearing outer ring being axially moveable along said rotational axis with respect to said bearing housing;
and
ii) said first bearing outer ring being radially deformable with respect to said rotational axis;
said bearing housing having an opening formed therein;
an actuation device extending through said opening and being accessible from outside said bearing housing;
and,
upon actuation, said actuation device being configured so as to cause at least one of the following:
i) an axial movement of said first bearing outer ring to adjust said position of said bearing arrangement;
and,
ii) a radial deformation of said first bearing outer ring to adjust a pretension of said bearing arrangement;
a pretension ring within said bearing housing and being in threaded engagement with said bearing housing;
and, upon actuation, said actuation device being configured to cause at least one of the following:
i) an axial movement of said first bearing outer ring;
and,
ii) a radial deformation of said first bearing outer ring by turning said pretension ring around said rotational axis.

18 more elements

Dependencies are inferred from the claim text.