Hybrid type construction machine
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United States of America Patent
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Aug 8, 2017
Issued Date -
N/A
app pub date -
Nov 9, 2009
filing date -
Nov 10, 2008
priority date (Note) -
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Abstract
A hybrid-type construction machine includes: a motor generator system connected to an internal combustion engine and performing a motor generator operation; an electric power accumulation system connected to the motor generator system; a load drive system connected to the electric power accumulation system and being driven electrically; an abnormality detection part equipped to the motor generator system, the electric power accumulation system and the load drive system; and a main control part determining whether an abnormality has occurred based on a detection value of the abnormality detection part. When the abnormality determination part determines that an abnormality has occurred, the main control part stops a drive of a drive system in which the abnormality is detected in the load drive system.
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