Hybrid wheel loader
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United States of America Patent
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Feb 13, 2018
Issued Date -
N/A
app pub date -
Oct 8, 2014
filing date -
Jan 7, 2014
priority date (Note) -
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Abstract
A hybrid wheel loader includes a control device (200) that estimates output power of an engine (1) and an electricity storage device (11) when the hybrid wheel loader is inferred on the basis of output values of detectors (62, 63) to be traveling towards an object of excavation in order to perform an excavating work, and then, if the output power is less than target power considered necessary for the excavating work, accelerates the engine (1) to a target revolution speed while increasing the electric power supplied from the electricity storage device to a traveling motor (9). Accordingly, power necessary for excavation can be drawn from the engine even when the engine revolution speed is low and there is a fear of power deficiency occurring at the time of the excavating work.
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