Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Nonmetallic resilient mounting
Patent
1987-09-30
1991-12-10
Look, Edward K.
Fluid reaction surfaces (i.e., impellers)
Articulated, resiliently mounted or self-shifting impeller...
Nonmetallic resilient mounting
416230, B64C 2710, B64C 2752
Patent
active
050713191
ABSTRACT:
In the control system for a helicopter rotor a rotating diaphragm driveably connects a rotating swashplate ring to the rotor shaft or to the underside of the rotor hub. The diaphragm is flexible with respect to displacement along and rotation about the rotor shaft axis. A centering plate connected to the stationary ring of the swashplate provide a small gap at the rotor shaft circumference sufficient to permit swashplate tilting and to maintain an acceptable tolerance. A stationary diaphragm connects the stationary ring of the swashplate to the airframe to prevent rotation of the stationary ring and to fix the radial portion of the ring centered about the rotor shaft.
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Look Edward K.
Nguyen Hoang
The Boeing Company
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