Contracting landing gear shock strut

Details Contracting landing gear shock strut Contracting landing gear shock strut

1988-05-18

1990-03-13

Peters, Jr., Joseph F.

Aeronautics and astronautics

Landing gear

244102R, 244102SS, B64C 2510

Patent

active

049077600

ABSTRACT:
Initial retraction of telescoping cylinders (22, 72) forces hydraulic fluid through an orifice area into a low pressure chamber (116). When the cylinders (22, 72) reach a predetermined position, a stop surface (120) carried by the second cylinder (72) engages a floating member (52) carried by the first cylinder (22). Further retraction causes the floating member (52) to move relative to the first cylinder (22) and compress a high pressure chamber (44). When the shock strut (20) is pivoted into a stowed position, the cylinders (22, 72) are retracted to the predetermined position without compressing the high pressure chamber (44). In a second embodiment, a linkage mechanism (298) moves the high pressure chamber (318) relative to the first cylinder (272) to allow the shock strut (220) to be shortened beyond the predetermined position without compressing the high pressure chamber 318.

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