FUEL EFFICIENT CRANE SYSTEM
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United States of America Patent
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app pub date -
Apr 2, 2014
filing date -
Sep 11, 2009
priority date (Note) -
Abandoned
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Abstract
A system and method for efficiently regulating the fuel consumption of a variable speed combustion engine used to control loads such as a hoist motor in a mobile gantry crane based on load motor speed commands issued by a crane operator. The system and method can rely on a programmable logic controller to issue engine fuel commands to regulate engine speed based on interpolations derived from data representing the relationship between load motor voltage and engine speed and data representing the relationship between engine speed and engine power capacity. The method may also be used in modified form by combustion engines which need digital fixed speed commands.
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