Apparatus for control of collective and cyclic pitch of the blad

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Nonmetallic resilient mounting

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

416114, B64C 2735, B64C 27605

Patent

active

046309985

ABSTRACT:
Apparatus for controlling both collective and cyclic pitch of blades of a helicopter rotor comprises a non-rotating plate which is connected via a fixed caliper and servo controls to a fixed housing and to which is attached the internal ring of a ball race bearing. The external ring of the bearing carries a rotating plate, which is connected by means of rotating caliper or links to each of the rotors and by means of pitch rods to control levers for adjusting the pitch of the blades. The non-rotating plate is fixed to external armatures of laminated joint pieces which are mounted slidingly up and down a guide base. The collective pitch is controlled by sliding the assembly of non-rotating plate and joint pieces up or down the guide base while the cyclic pitch is controlled by inclining the assembly relative to the main rotor shaft. This inclination involves deformations in the laminated joints.

REFERENCES:
patent: 3228673 (1966-01-01), Hinks
patent: 3390899 (1968-07-01), Herbert et al.
patent: 3558082 (1971-01-01), Bennie
patent: 3679197 (1972-07-01), Schmidt
patent: 3862812 (1975-01-01), Gorndt et al.
patent: 3933324 (1976-01-01), Ostrowski
patent: 3952546 (1976-04-01), Nakano et al.
patent: 4297078 (1981-10-01), Martin
patent: 4323332 (1982-04-01), Fradenburgh
patent: 4365936 (1982-12-01), Hatch
patent: 4477225 (1984-10-01), Burkam
patent: 4588355 (1986-05-01), Ferris et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Apparatus for control of collective and cyclic pitch of the blad does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for control of collective and cyclic pitch of the blad, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for control of collective and cyclic pitch of the blad will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-169660

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.