F - Mech Eng,Light,Heat,Weapons – 03 – D
Patent
F - Mech Eng,Light,Heat,Weapons
03
D
F03D 11/02 (2006.01) F16H 1/28 (2006.01) F16H 57/08 (2006.01)
Patent
CA 2714845
The present invention provides a planetary gear unit (20) for a gearbox (40) for a wind turbine. The planetary gear unit (20) comprises a housing (21) and a planet carrier (22) provided with planet shafts (23) distributed uniformly around a planet carrier's axis for rotatably supporting planet gears (24) which are mounted between a sun gear (26) and a ring gear (27) for mutual interaction and which are supported by rolling bearings (25). The planet carrier (22) is rotatably mounted in the housing (21) by means of sliding bearings (28). By using sliding bearings (28) which are different from existing classical sliding bearings which are currently used for rotatably mounting the planet carrier (22) in the housing (21) in combination with the use of rolling bearings (25) for supporting other parts of the planetary gear unit (20), costs of the planetary gear unit (20) may significantly be reduced. The present invention also provides a gearbox (40) comprising such a planetary gear unit (20) and a wind turbine comprising such a gearbox (40).
Hansen Transmissions International Naamloze Vennootschap
Riches Mckenzie & Herbert Llp
LandOfFree
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