Very large aircraft landing gear having eight wheel truck
First Claim
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1. A landing gear for an aircraft, comprising:
- an eight wheel truck having four axles, all axles being substantially in line with each other and each carrying a pair of wheels with the forwardmost and rearwardmost wheels being steerable; and
a combination of a two-stage main shock absorber and a single-stage auxiliary shock absorber for mounting said wheel truck to a landing gear support structure on the aircraft, said main and auxiliary shock absorbers being pivotally and separately mounted to said support structure and likewise adjacent the second and third axles respectively of said wheel truck, said combination providing truck pitch control for all conditions of aircraft handling including suitable positioning prior to landing and for retraction into the wheel well.
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Abstract
Very large aircraft landing gear using single mounted eight wheel bogie on dual shock struts. A primary or main two-stage shock absorber and a semi-articulating secondary or auxiliary single-stage shock absorber, each of which are mounted using the second and third axles as pivot joints in a four axle, eight wheel truck beam.
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Citations
6 Claims
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1. A landing gear for an aircraft, comprising:
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an eight wheel truck having four axles, all axles being substantially in line with each other and each carrying a pair of wheels with the forwardmost and rearwardmost wheels being steerable; and
a combination of a two-stage main shock absorber and a single-stage auxiliary shock absorber for mounting said wheel truck to a landing gear support structure on the aircraft, said main and auxiliary shock absorbers being pivotally and separately mounted to said support structure and likewise adjacent the second and third axles respectively of said wheel truck, said combination providing truck pitch control for all conditions of aircraft handling including suitable positioning prior to landing and for retraction into the wheel well. - View Dependent Claims (2, 3, 4, 5)
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6. A landing gear for an aircraft, comprising:
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an eight wheel truck having four axles, all axles being substantially in line with each other and each carrying a pair of wheels with the forwardmost and rearwardmost wheels being steerable in some manner;
in combination;
a single stage main shock absorber having an internal sliding tube and a single-stage auxiliary shock absorber for mounting said wheel truck to a landing gear support structure on an aircraft, said main and auxiliary shock absorbers being pivotably and separately mounted to said support structure and likewise to or near the second and third axles respectively of said wheel truck, said combination providing truck pitch control for all conditions of aircraft handling including suitable positioning prior to landing and for retraction into the wheel well;
said main and auxiliary shock absorbers pivotally and separately mounted on a rotating structural trunnion member and including said eight wheel truck for providing a 4-bar linkage and kinematic action; and
,said internal sliding tube being adjustable during various phases of the aircraft handling.
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Specification