LUBRICATION HEATING SYSTEM AND WIND TURBINE INCORPORATING SAME
First Claim
Patent Images
1. A wind turbine comprising:
- a gearbox containing a lubrication medium;
a pump for circulating said lubrication medium;
a gearbox lubrication suction pipe for transporting said lubrication medium from said gearbox to said pump;
a heater in thermal connection to, at least a portion of, said gearbox lubrication suction pipe;
wherein, said heater is used to heat said lubrication medium contained within said gearbox lubrication suction pipe to a temperature where damage to said pump is avoided.
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Accused Products
Abstract
A wind turbine is provided having a gearbox containing a lubrication medium, a pump for circulating the lubrication medium. and a gearbox lubrication suction pipe for transporting the lubrication medium from the gearbox to the pump. A heater is in thermal connection to, at least a portion of, the gearbox lubrication suction pipe. This heater is used to heat the lubrication medium contained within the gearbox lubrication suction pipe to a temperature where damage to the pump is avoided.
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Citations
20 Claims
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1. A wind turbine comprising:
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a gearbox containing a lubrication medium; a pump for circulating said lubrication medium; a gearbox lubrication suction pipe for transporting said lubrication medium from said gearbox to said pump; a heater in thermal connection to, at least a portion of, said gearbox lubrication suction pipe; wherein, said heater is used to heat said lubrication medium contained within said gearbox lubrication suction pipe to a temperature where damage to said pump is avoided. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. The wind turbine of claim I, wherein said heater comprises a hot air jacket, said hot air jacket disposed around, at least a portion of said gearbox lubrication suction pipe.
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10. A wind turbine comprising:
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a gearbox containing a lubrication medium; a pump for circulating said lubrication medium; a gearbox lubrication suction pipe for transporting said lubrication medium from said gearbox to said pump; a heater located on, at least a portion of, said gearbox lubrication suction pipe; wherein, said heater is used to heat said lubrication medium contained within said gearbox lubrication suction pipe to a temperature where damage to said pump is avoided. - View Dependent Claims (11, 12, 13)
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14. A heating system for a lubrication medium used in a gearbox, said system comprising:
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a pump for circulating said lubrication medium; heating means for heating a portion of said lubrication medium; a suction pipe connected between said gearbox and said pump, said suction pipe for transporting said lubrication meditum from said gearbox to said pump; a temperature monitoring system for monitoring a first temperature; wherein, said temperature monitoring system activates said heating means when said first temperature is below a threshold value. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification