Gear set, wind turbine incorporating such a gear set and method of servicing a wind turbine
First Claim
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1. A gear set comprising:
- a bearing comprising an inner race and an outer race, one of the inner race and the outer race being a ring gear comprising a plurality of first teeth having a first hardness; and
a pinion meshable with the ring gear, and comprising a plurality of second teeth having a second hardness,wherein the second hardness is no greater than the first hardness.
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Abstract
A gear set is disclosed. The gear set includes a bearing including an inner race and an outer race, one of the inner race and the outer race being a ring gear including a plurality of first teeth having a first hardness; and a pinion meshable with the ring gear, and including a plurality of second teeth having a second hardness. The second hardness is no greater than the first hardness. A wind turbine incorporating such a gear set and a method of servicing a wind turbine are also disclosed.
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Citations
20 Claims
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1. A gear set comprising:
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a bearing comprising an inner race and an outer race, one of the inner race and the outer race being a ring gear comprising a plurality of first teeth having a first hardness; and a pinion meshable with the ring gear, and comprising a plurality of second teeth having a second hardness, wherein the second hardness is no greater than the first hardness. - View Dependent Claims (2, 3, 4, 5)
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6. A wind turbine comprising:
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a first component; a second component; a bearing comprising an inner race and an outer race, one of the inner race and the outer race being a ring gear connected to one of the first component and the second component, the ring gear comprising a plurality of first teeth having a first hardness, the other of the inner race and the outer race being connected to the other of the first component and the second component; and a drive unit stationarily disposed relative to the other of the first component and the second component, the drive unit comprising a drive gear meshing with the ring gear, and comprising a plurality of second teeth having a second hardness, wherein the second hardness is no greater than the first hardness. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method of servicing a wind turbine, the wind turbine comprising a first component;
- a second component;
a bearing comprising an inner race and an outer race, one of the inner race and the outer race being a ring gear connected to one of the first component and the second component and comprising a plurality of first teeth having a first hardness, the other of the inner race and the outer race being connected to the other of the first component and the second component; and
a drive unit stationarily disposed relative to the other of the first component and the second component, the drive unit comprising a drive gear meshing with the ring gear, and comprising a plurality of second teeth having a second hardness greater than the first hardness, the method comprising;replacing the drive gear with a replacement drive gear comprising third teeth having a third hardness no greater than the first hardness when the first teeth of the ring gear reach a predetermined percent of their expected operational life. - View Dependent Claims (18, 19, 20)
- a second component;
Specification