Static pressure anti-stow logic for platform wheelchair lifts
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United States of America Patent
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Aug 26, 2014
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N/A
app pub date -
Apr 29, 2009
filing date -
May 1, 2008
priority date (Note) -
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Abstract
A method for detecting weight on a platform lift having a platform, a hydraulic cylinder, and a hydraulic circuit including the steps of measuring a static pressure of the hydraulic circuit, and comparing the measured static pressure to a baseline pressure of the hydraulic circuit. The baseline pressure is a static pressure of the hydraulic circuit without external weight positioned on the platform.
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