Power transmission device and hybrid construction machine provided therewith
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United States of America Patent
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May 2, 2017
Grant Date -
Apr 2, 2015
app pub date -
Mar 6, 2013
filing date -
Mar 26, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A configuration is provided to directly utilize the power of an engine as the power of a hydraulic pump, and to efficiently perform power generation and engine assist. The configuration is provided with an engine; a generator which is configured to generate electric power by an operation of the generator using the power of the engine; a battery which is configured to store the electric power generated by the generator; a motor which is configured to be operated by the power of the engine and by the electric power of the battery; a hydraulic pump connected to the motor so as to be driven by operation of the motor; and a power divider connected to the engine, the generator, and the motor so that the power of the engine is distributed to the generator and to the motor.
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