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US 8,939,259 B2Granted
Wind turbine lubrication system
AssigneeAlstom Wind, S.L.U.
InventorsJosé Luis Román Mallada, Daniel Castell Martinez
Life of this patent
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Abstract
A wind turbine lubrication system comprising a pump for pumping lubricant through a lubrication circuit, said pump being driven by a power-take-off from the drive train of the wind turbine, characterized in that said pump for pumping lubricant drives at least a first hydraulic motor providing mechanical power to a first wind turbine auxiliary component.
Claims18
A method for lubricating a part in a wind turbine having a drive train, the method comprising:
- driving a pump by a power-take-off from the drive train,
- pumping a lubricant through a lubrication circuit using the pump,
- driving a first hydraulic motor using the pump, and
- the first hydraulic motor driving a lubricant cooling system.
1 more element
A method for lubricating a part in a wind turbine having a drive train, the method comprising:
- driving a pump by a power-take-off from the drive train,
- pumping a lubricant through a lubrication circuit using the pump, the lubrication circuit comprising a liquid-air heat exchanger,
- driving a first hydraulic motor using the pump, and
- the first hydraulic motor driving a fan for cooling the lubricant.
1 more element
Dependencies are inferred from the claim text.