FIELD: transport.
SUBSTANCE: invention relates to aircraft engineering. Rotor hub consists of the housing and blade suspension assembly comprising trunnion with bearing, casing with blade turn lever, blade connector and elastomer. Blade suspension assembly trunnion is rigidly secured to hub body and furnished with self-orienting double-row bearing, its outer race being jointed with the body. One end of elastomer is rigidly jointed to trunnion while another one is jointed with blade connector. Elastomer incorporates metal sleeves and is reinforced by high-strength threads jointing metal sleeves in pairs together that are arranged on opposite sides of elastomer axis of symmetry.
EFFECT: simplified design.
2 cl, 2 dwg
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Authors
Dates
2010-10-20—Published
2009-06-10—Filed