Embraer S.a.

Yvan Bovolenta Murta

Wanderley Montoro

Clovis Augusto Eça Ferreira

Marcelo Ricardo Bertoni Rodrigues

Danielle Fátima Nunes Rebello Da Silva

Willy Roger De Paula Medonça

Renato Campos Da Silveira

Reinforced wing spars for underwing mounted retractable landing gear assemblies include a unitary (one-piece) metal wing spar having a central web and an upper spar flange, a trunnion mounted in the web of the wing spar for pivotally receiving a transverse mounting tube of a retractable landing gear strut, and a reinforcement laminate adhered to and extending along the upper spar flange above the trunnion, wherein the reinforcement laminate is comprised of at least one fiber reinforced composite layer alternately interposed with at least one metal reinforcement layer.

Fiber metal laminate reinforced wing spar for retractable underwing mounted landing gear assemblies

An aircraft wing is provided having a spanwise wing spar which includes a one-piece upright central web extending in a spanwise direction between inboard and outboard ends of the wing spar, and a plurality of contiguously adjacent wing spar sections. At least a first wing spar section includes at least one upper and lower spar chord which is unitarily formed as a one-piece structure with upper and lower ends of the upright central web, respectively, while at least a second wing spar section includes at least one upper and lower spar chord which is a separate structural element integrally fixed to the upper and lower ends of the upright central web, respectively.

Airframe wing spar structures with contiguous unitary and integrally fastened upper and lower chord sections

Growing community of inventors

São Jose dos Campos-SP, Brazil

Yvan Bovolenta Murta