Shovel and method of controlling shovel

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United States of America Patent

PATENT NO 9407174
APP PUB NO 20140239636A1
SERIAL NO

14180522

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Abstract

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A shovel includes an internal combustion engine whose revolution speed is controlled to be constant, a hydraulic pump connected to the internal combustion engine, a generator connected to the internal combustion engine, and a control unit for controlling the generator, wherein the control unit causes the generator to perform an electrical power generating operation in a case where a load on the hydraulic pump is increasing.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO(S H I ) CONSTRUCTION MACHINERY CO LTDTOKYO JAPAN TOKYO METROPOLIS

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sano, Kiminori Chiba, JP 21 132

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