Idle circuit for a hydraulic actuator of a wind turbine

DE102025101018A1Undetermined Publication Date: 2026-07-16ZF FRIEDRICHSHAFEN AG +1
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Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
ZF FRIEDRICHSHAFEN AG
Filing Date
2025-01-14
Publication Date
2026-07-16

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Abstract

The invention relates to an arrangement (103) for an actuator (101) of a wind turbine; comprising a motor (105) and a first line arrangement (107a) which is hydraulically connected to a first port of the motor (105) and which is hydraulically connected or connectable to a pump (115). Via a second line arrangement (107b), the first port of the motor (105) is hydraulically connected to a fluid reservoir (117); the second line arrangement (107b) having a first check valve (121a) which is open from the fluid reservoir (117) towards the first port of the motor (105) and is closed in the opposite direction.
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Citation Information

Patent Citations

  • Electro-hydraulic pilot operated relief valve

    US20130247750A1

  • Turner gear assembly for wind turbines and method of using same

    WO2021190719A1