Title: Bladed rotors

Abstract: A bladed rotor including a hub which carries, so as to be rotatable therewith, a liquid reservoir, at least one pump operable upon rotation of the rotor, a single liquid-pressure-operable vane-type actuator for adjusting the blades of the rotor to vary flow of fluid over the blades, and control valve means for controlling operation of the actuator. The said pump, when operating, draws liquid from the reservoir and delivers it under pressure, by way of said control valve means, to said actuator.

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Inventors: Keenan, John Gregory (Cheltenham, EN)
Chilman, John Alfred (Stroud, EN)
Brooking, Ivor Harold (Gloucester, EN)

Application Number: 443146
Filing Date: 1974-02-15
Publication_date: 1976-03-09
Assignee: Dowty Rotol Limited (Gloucester, EN)
Primary Class(es): 416/157A 416/174
Other Classes:
US Patent Ref:

2023785	Dec, 1935	Hoover	416/157.
2592124	Apr, 1952	Diefenderfer	416/48.
2830668	Apr, 1958	Gaubis et al.	416/157.
2850103	Sep, 1958	Pearl	416/157.
2891627	Jun, 1959	Ditmer et al.	416/157.
2910126	Oct, 1959	Jedrziewski	416/157.
3003566	Oct, 1961	Conn et al.	416/49.
3240275	Mar, 1966	Bennett	416/157.
3395763	Aug, 1968	Avena et al.	416/157.
3635584	Jan, 1972	Chilman et al.	416/157.
3663119	May, 1972	Brooking et al.	416/157.
3720060	Mar, 1973	Davies et al.	416/157.
3794440	Feb, 1974	McMurtry	416/157.
3876333	Apr, 1975	Ronson	416/157.

Other Refs: 567,710

, 1945	UK

Primary Examiner: Powell, Jr., Everette A.
Assistant Examiner:
Attorney: Young & Thompson