Aeronautics and astronautics – Landing gear
Patent
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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Sealey Francis
Weiland Richard H.
Pauly Joan H.
Peters Jr. Joseph F.
Sartelle Anne
The Boeing Company
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