F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
F04D 29/36 (2006.01)
Patent
CA 2616310
A compact variable pitch fan has a hydraulic pitch change mechanism. A pitch change piston is constrained to follow reciprocating motion under hydraulic control within a peripheral hub from which fan blades extend outward. An additional feature is the use of separated guiding and seal surfaces. A still further feature is the use of a pitch sensor, particularly on the hydraulic line leading to the variable pitch fan.
Antoszko George
Dewar Kevin J.
Mccallum Jonathan E.
Nelson Terry D.
Norell Andrew L.
Flexxaire Manufacturing Inc.
Lambert Anthony R.
LandOfFree
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