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公开(公告)号：US10590913B2
公开(公告)日：2020-03-17
申请号：US15556525
申请日：2016-03-08
Applicant: Liebherr-Components Biberach GmbH
Inventor： Anton Gaile , Jan Fesenmayr , Stefan Cersowsky , Thomas Schulze
Abstract: The invention relates to wind turbines with variable rotor blades whose pitch angle can be adjusted, wherein an adjustment unit for adjusting the pitch angle of a wind turbine rotor blade with a pivot bearing comprising at least two coaxial bearing rings that are rotatable against each other, at least one adjustment actuator for rotating the two bearing rings against each other, and a supply unit for supplying the adjustment actuator with energy, wherein the at least one adjustment actuator and the supply unit are disposed on opposite sides on a plate-shaped adjustment drive carrier part which is directly or indirectly rotatably connected with one of the bearing rings and comprises a rotatable support bearing for the rotatable support of the adjustment actuator on the carrier part. The supply unit is connected with the adjustment actuator by at least one pressurized-media channel passing through the support bearing.
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公开(公告)号：US20150152842A1
公开(公告)日：2015-06-04
申请号：US14413818
申请日：2013-07-10
Applicant: Liebherr-Components Biberach GmbH
Inventor： Anton Gaile , Anton Staimer , Oliver Wennheller , Hans-Peter Lavergne
CPC classification number: F03D7/0224 , F03D9/25 , F03D9/28 , F03D80/88 , F05B2210/11 , F05B2270/604 , F15B1/022 , F15B15/18 , F15B15/261 , F15B2015/268 , F15B2211/20515 , F15B2211/20576 , F15B2211/212 , F15B2211/3051 , F15B2211/411 , F15B2211/41554 , F15B2211/41563 , F15B2211/426 , F15B2211/7053 , F15B2211/7054 , F15B2211/8752 , Y02E10/721 , Y02E10/723
Abstract: The invention relates to a wind energy system with at least one pitch adjustment system for adjusting the pitch of at least one rotor blade of the wind energy system, wherein the pitch adjustment system comprises at least one electrohydraulic drive that comprises an unregulated electromotor rotating in one direction of rotation for generating pressure.
Abstract translation: 本发明涉及一种具有至少一个俯仰调节系统的风能系统，用于调节风能系统的至少一个转子叶片的桨距，其中，俯仰调节系统包括至少一个电动液压驱动器，其包括在一个中旋转的不受调节的电动机 产生压力的旋转方向。
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公开(公告)号：US10794361B2
公开(公告)日：2020-10-06
申请号：US15556528
申请日：2016-03-08
Applicant: Liebherr-Components Biberach GmbH
Inventor： Anton Gaile , Jan Fesenmayr , Stefan Cersowsky , Thomas Schulze
Abstract: The present invention relates to wind turbines with variable rotor blades whose pitch angles are adjustable. An adjustment unit is provided for adjusting the pitch angle of the rotor blades with a pivot bearing comprising at least two coaxial bearing rings that are rotatable against each other, at least one adjustment actuator for rotating the two bearing rings, and a supply unit for supplying the adjustment actuator with energy, whereby the adjustment actuator and the supply unit are disposed on opposite sides on a plate-shaped adjustment drive carrier part which is rotatably connected with one of the bearing rings and comprises a rotatable support bearing for the support of the adjustment actuator. A least one part of the supply unit is rotatably mounted on the carrier part such that the supply unit or its rotatably mounted part and the adjustment actuator are jointly rotatably mounted and/or swivel-mounted on the carrier part.
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公开(公告)号：US09890767B2
公开(公告)日：2018-02-13
申请号：US14413818
申请日：2013-07-10
Applicant: Liebherr-Components Biberach GmbH
Inventor： Anton Gaile , Anton Staimer , Oliver Wennheller , Hans-Peter Lavergne
CPC classification number: F03D7/0224 , F03D9/25 , F03D9/28 , F03D80/88 , F05B2210/11 , F05B2270/604 , F15B1/022 , F15B15/18 , F15B15/261 , F15B2015/268 , F15B2211/20515 , F15B2211/20576 , F15B2211/212 , F15B2211/3051 , F15B2211/411 , F15B2211/41554 , F15B2211/41563 , F15B2211/426 , F15B2211/7053 , F15B2211/7054 , F15B2211/8752 , Y02E10/721 , Y02E10/723
Abstract: The invention relates to a wind energy system with at least one pitch adjustment system for adjusting the pitch of at least one rotor blade of the wind energy system, wherein the pitch adjustment system comprises at least one electrohydraulic drive that comprises an unregulated electromotor rotating in one direction of rotation for generating pressure.
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