Rotating seal for anti-stiction of hydraulic struts
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United States of America Patent
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N/A
Issued Date -
Oct 5, 2006
app pub date -
Mar 29, 2006
filing date -
Mar 30, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An onboard system for use in measuring, computing and displaying the weight and center-of-gravity for aircraft, while keeping aircraft movement to a minimum. Pressure sensors are mounted in relation to each of the landing gear struts. A motor and rotating seal are configured into each strut and are activated by a computer/controller, while landing gear strut pressures are monitored in the determination of strut stiction. The computer/controller calculates the stiction of each landing gear strut and compensates for the pressure distortions caused by landing gear strut stiction. Additional features include reducing strut stiction, measuring landing gear strut fluid levels, monitoring landing gear strut health, weight adjustments for external ice and de-icing fluids, weight adjustments for wind, monitoring aircraft landing gear strut movement.
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