Landing gear strut extender

B - Operations – Transporting – 64 – C

Patent

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Details

B64C 25/16 (2006.01)

Patent

CA 2633508

A mechanism for increasing the ride height of aircraft by selectively increasing the hydraulic fluid content within landing gear struts. By increasing the hydraulic fluid volume within a strut, the strut is lengthened without adversely affecting its spring rate while the ability to withdraw fluid from a strut maintains the ability of the strut to absorb the impact of landing. The mechanism is readily retrofitable to existing landing gear systems to accommodate more efficient under the wing intake designs and to reduce the likelihood of FOD during taxiing at minimal cost and with very a minimal increase in the aircraft weight.

L'invention concerne un mécanisme pour augmenter la hauteur de caisse d'un aéronef par augmentation sélective du volume de fluide hydraulique dans les jambes de train d'atterrissage. L'accroissement du volume de fluide hydraulique à l'intérieur d'une jambe permet d'allonger cette dernière sans répercussions négatives sur la constante de rappel, la possibilité de retirer du fluide d'une jambe permettant de conserver le pouvoir d'absorption des chocs de celle-ci à l'atterrissage. Ce mécanisme peut être installé facilement après-coup sur des systèmes de train d'atterrissage existants pour la réalisation de systèmes de rentrée de trains plus efficace sous l'aile et réduire le risque de dommages par corps étrangers (FOD) pendant la circulation à la surface, avec un coût réduit et une augmentation minimale du poids de l'aéronef.

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