Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – Responsive to fixed actuator
Patent
1985-03-21
1987-08-25
Garrett, Robert E.
Fluid reaction surfaces (i.e., impellers)
Sustained ancillary movement of rotary working member
Responsive to fixed actuator
74 60, B64C 2700
Patent
active
046889930
ABSTRACT:
Links (48-50) tangential to the rotorshaft (30) and connected to the inner swashplate ring (38) center the swashplate and restrain it from rotating (in the case of a stationary inner ring) by attachment to gearbox lugs (34-36), or drive it in unison with the rotorshaft (in the case of a rotating inner ring) by attachment to rotorshaft flanges. Spherical (rod-end) bearings (52-54, 56-58) so that the links can accommodate collective and cyclic swashplate attitude changes by moving out of plane.
Links (70-72) tangential to the outer swashplate ring (64) and connected thereto and to the airframe (74) perform a similar function in restraining, centering and allowing for collective/cyclic movement of a stationary outer swashplate ring.
REFERENCES:
patent: 2689616 (1954-09-01), Nagler
patent: 2720271 (1955-10-01), Alex
patent: 3144908 (1964-08-01), Pascher
patent: 3589831 (1971-06-01), Lemnios et al.
patent: 3799695 (1974-03-01), Yamakawa
patent: 4477224 (1984-10-01), Watson
Ferris Donald L.
Gendreau Johnny P.
Korzun Alexander
Garrett Robert E.
Kwon John
Linden Gerald E.
United Technologies Corporation
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