Fluid reaction surfaces (i.e. – impellers) – Plural impellers having relative movement or independent... – Coaxial rotation
Patent
1990-07-23
1992-10-06
Look, Edward K.
Fluid reaction surfaces (i.e., impellers)
Plural impellers having relative movement or independent...
Coaxial rotation
416130, 416160, 416204R, B64C 1132, B64C 1148
Patent
active
051526689
ABSTRACT:
The invention relates to pitch-change systems in aircraft propellers. The invention includes redundant planetary gear systems, each of which can independently change pitch if the other fails. The invention also includes a system for reducing displacement of the planets, which can occur during a failure.
REFERENCES:
patent: 2541636 (1951-02-01), Chillson
patent: 2664960 (1954-01-01), Longfellow
patent: 3536415 (1970-10-01), Kusiak
patent: 3647320 (1972-03-01), Chilman
patent: 3663119 (1972-05-01), Brooking et al.
patent: 3672788 (1972-06-01), Ellinger
patent: 3687569 (1972-08-01), Klompas
patent: 3866415 (1975-02-01), Ciokajlo
patent: 3893789 (1975-07-01), Andrews
patent: 3910721 (1975-10-01), McMurtry
patent: 3912418 (1975-10-01), Andrews et al.
patent: 3922852 (1975-12-01), Drabek
patent: 3964839 (1976-06-01), Kusiak
patent: 3994128 (1976-11-01), Griswold, Jr.
patent: 4047842 (1977-09-01), Avena et al.
patent: 4521158 (1985-06-01), Fickelscher
patent: 4534524 (1985-08-01), Aldrich
patent: 4657484 (1987-04-01), Wakeman et al.
patent: 4660437 (1987-04-01), Scott
patent: 4738590 (1988-04-01), Butler
patent: 4738591 (1988-04-01), Butler
patent: 4750862 (1988-06-01), Barnes et al.
patent: 4968217 (1990-11-01), Newton
Article--"A New Design for a Contra-Prop"--Aeronautical Engineering.
Bulman David E.
Hermans Thomas C.
Hora Petr
General Electric Company
Larson James A.
Look Edward K.
Rafter John R.
Squillaro Jerome C.
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