There is provided a damper assembly for a helicopter rotor. The damper assembly comprises a piston movable along an axis, a piston shaft connected to and axially movable with the piston along the axis, and a bushing configured to surround the piston shaft and guide the piston shaft for movement along the axis. The bushing comprises a surface configured to oppose the piston shaft and guide the piston shaft for movement along the axis. The piston shaft comprises a surface configured to oppose the surface of the bushing. A clearance is provided between the surface of the piston shaft and the surface of the bushing so as to provide a passage for fluid to flow between the bushing and the piston shaft in use.
DAMPER ASSEMBLY
2021-04-29
Patent
Elektronische Ressource
Englisch
DAMPER UNIT, DAMPER ASSEMBLY, AND METHOD FOR MANUFACTURING DAMPER UNIT AND DAMPER ASSEMBLY
Europäisches Patentamt | 2023
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