Hybrid metal-composite drive shaft unit and method of manufacturing same
Airbus Helicopters Deutchland GmbH and Airbus Defence and Space GmbH
A hybrid metal-composite drive shaft unit, which comprises at least one metal drive shaft connector that is at least partly embedded into a composite drive shaft, the composite drive shaft comprising a thermoplastic polymer and being connected to the at least one metal drive shaft connector by means of a welded connection that defines a first load path for transmission of loads between the at least one metal drive shaft connector and the composite drive shaft, the at least one metal drive shaft connector and the composite drive shaft comprising, in the region of the welded connection, at least partly a polygonal cross-sectional shape for forming a form-fit connection that defines a second load path for transmission of loads between the composite drive shaft and the at least one metal drive shaft connector.
1ClaimsFirst of 17
- 1
A hybrid metal-composite drive shaft unit for power transmission in a rotary-wing aircraft, the hybrid metal-composite drive shaft unit comprising: at least one metal drive shaft connector that is at least partly embedded into a composite drive shaft, wherein the composite drive shaft comprises a thermoplastic polymer being welded to the at least one metal drive shaft connector, wherein a welded connection is provided that defines a first load path for transmission of loads between the at least…
2Description
The invention is related to a hybrid metal-composite drive shaft unit for power transmission in a rotary-wing aircraft, said hybrid metal-composite drive shaft unit comprising the features of claim 1. The invention is further related to a coupling adapter for coupling such a hybrid metal-composite drive shaft unit to another drive shaft unit, and to a rotary-wing aircraft that is provided with…