Bladed rotor assemblies and control means therefor
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United States of America Patent
Stats
-
Apr 18, 1989
Grant Date -
N/A
app pub date -
Apr 14, 1987
filing date -
Apr 18, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bladed rotor assembly and a control means therefor, which comprises a bladed rotor, a fluid-pressure-operable actuator for effecting a change of blade pitch, a first valve member connect to, and movable with the actuator and a second valve member co-operable with the first valve member, both valve mebmers having fluid passageways therein for supplying fluid to the actuator, and override means being provided to control the position of the second valve member relative to the first valve member, wherein safety means are provided to cause, in the event of failure of the over-ride means, the actuator to effect increased blade pitch.
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Cited Art Landscape
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