Tip turbine engine comprising turbine clusters and radial...

Details Tip turbine engine comprising turbine clusters and radial... Tip turbine engine comprising turbine clusters and radial...

2011-02-01

2011-02-01

Edgar, Richard (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Axially extending shroud ring or casing

C416S20400A, C416S215000

Reexamination Certificate

active

07878762

ABSTRACT:
A tip-turbine engine comprises a fan-turbine rotor assembly that includes one or more turbine ring rotors. Each turbine ring is assembled from a multitude of turbine blade clusters. By forming the turbine blades in clusters, leakage between adjacent blade platforms is minimized which increases engine efficiency. Assembly of the turbine blade clusters to a diffuser surface includes axial installation and radial locking of each turbine blade cluster. This is accomplished by attachment lugs protruding from the underside of the arcuate base of the turbine blade clusters. Torque load surfaces are also integrated into the arcuate base.

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