Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Nonmetallic resilient mounting
Patent
1984-03-08
1986-12-02
Garrett, Robert E.
Fluid reaction surfaces (i.e., impellers)
Articulated, resiliently mounted or self-shifting impeller...
Nonmetallic resilient mounting
416168R, 416226, 416230, B64C 2745, B64C 1100
Patent
active
046261737
ABSTRACT:
Each blade is fixed to the hub by the root part of the spar, arranged in the form of a loop surrounding a connection element bolted on the hub, with the interposition of rigid rings by a pin simultaneously fixing the hub on a drive sleeve transmitting thereto the driving torque of the central shaft. The hub comprises two coaxial cylindrical walls in each of which is pierced, for each blade, a circular opening in which the member for controlling the angle of attach which is fast with the blade root is mounted to rotate via self-lubricating rings. The invention is particularly applicable to helicopters.
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Declerco Marc
Jalaguier Jean-Pierre
Jaugey Bernard
Mouille Rene L.
Garrett Robert E.
Pitko Joseph M.
Societe Nationale Industrielle et Aerospatiale
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