Hybrid Construction Machinery

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United States of America Patent

SERIAL NO

15509539

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Provided is hybrid construction machine that can charge/discharge an electrical storage device appropriately and can suppress stop of an engine accompanying sharp increase of a load. The present invention includes a hybrid controller 22 that controls power of a hydraulic pump 17 and electric power of an inverter 15 in response to storage battery characteristics of the electrical storage device 16, and an output command unit 22F of the hybrid controller 22 is configured to control at least either one of the power of the hydraulic pump 17 and the electric power of the inverter 15 on the basis of at least either one of electric current or voltage of the storage battery characteristics and at least either one of temperature or a state of charge of the storage battery characteristics.

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Patent Owner(s)

Patent OwnerAddress
HITACHI CONSTRUCTION MACHINERY CO LTDTOKYO 110-0015

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HITA, Masafumi Tsuchiura-shi, JP 14 7
IMURA, Shinya Tsuchiura-shi, JP 80 338
ISHIDA, Seiji Tsuchiura-shi, JP 44 352
NAYA, Itaru Tsuchiura-shi, JP 4 10
TAKAHASHI, Chiaki Tokyo, JP 7 16
TAKEUCHI, Ken Tsuchiura-shi, JP 163 5538

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