Hydraulic shovel and method of controlling hydraulic shovel
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United States of America Patent
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Mar 14, 2017
Grant Date -
Oct 4, 2012
app pub date -
Mar 29, 2012
filing date -
Mar 31, 2011
priority date (Note) -
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Abstract
A hydraulic shovel includes an engine; a hydraulic pump driven by the engine; an excavating attachment which is driven by high oil discharged from the hydraulic pump; a motor generator that assists a power supply of the engine; and an assist control unit that controls the motor generator to assist the engine in a latter part of the excavating operation by the excavating attachment.
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