Boots – shoes – and leggings
Patent
1990-06-01
1992-03-03
Black, Thomas G.
Boots, shoes, and leggings
416 34, 416 35, 60702, B64C 1150
Patent
active
050937910
ABSTRACT:
An aircraft engine propeller synchrophasing system (4) has a gain stage (8) which varies the gain of the system (4) according to the magnitude of the difference between the preferred propeller relative phase and the measured propeller relative phase.
REFERENCES:
patent: 3589832 (1971-06-01), Harris et al.
patent: 3689175 (1970-09-01), Hartzell et al.
patent: 4245955 (1981-01-01), Lambertson
patent: 4653981 (1987-03-01), Harner et al.
patent: 4659283 (1987-04-01), Niessen et al.
patent: 4900226 (1990-02-01), de Vries
patent: 4934825 (1990-06-01), Martin
Magliozzi Bernard
Schneider Roy W.
Black Thomas G.
Muirhead Donald W.
United Technologies Corporation
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