Swash-plate device for controlling the pitch of rotor blades wit

Details Swash-plate device for controlling the pitch of rotor blades wit Swash-plate device for controlling the pitch of rotor blades wit

1998-10-13

2000-11-21

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Sustained ancillary movement of rotary working member

Responsive to fixed actuator

416134A, 416141, 416170R, B64C 27605

Patent

active

061493864

ABSTRACT:
The swash-plates are oscillating mounted by the non-rotating plate on a central ball joint sliding axially around a guide fixed to the structure and on which the ball joint is locked from rotation by internal splines engaging external splines of the guide. Two cotters slide in diametrically opposite grooves in the external face of the ball joint, and the non-rotating plate pivots on trunnions of the cotters around one of two perpendicular axes the other of which an axis around which the cotters pivot and which is perpendicular to the rotor axis.

REFERENCES:
patent: 3486832 (1969-12-01), Stone et al.
patent: 3734644 (1973-05-01), Garcia
patent: 4375940 (1983-03-01), Lovera et al.
patent: 4630998 (1986-12-01), Leman et al.
patent: 5199849 (1993-04-01), Leman
patent: 5784182 (1998-07-01), Francoeur et al.
patent: 5883738 (1999-03-01), Funatsu
patent: 6033182 (2000-03-01), Rampal

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