Shovel

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10100493
APP PUB NO 20160340865A1
SERIAL NO

15228923

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A shovel according to an embodiment of the present invention includes an engine; a motor generator that functions as a motor that uses a drive force of the engine and functions as a motor capable of assisting the engine; a power storage system, a swiveling motor; a DC bus that connects the motor generator, the power storage system, and the swiveling motor; and a controller that controls movements of the motor generator, the power storage system, and the swiveling motor. In a case where the power storage system is stopped, the controller supplies electric power of the motor generator that functions as the power generator to the swiveling motor when the swiveling motor is in a power running operation, and supplies regenerative electric power of the swiveling motor to the motor generator that functions as the motor when the swiveling motor is in a regenerative operation.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO (S H I ) CONSTRUCTION MACHINERY CO LTDSHINAGAWA-KU TOKYO 141-6025

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takeo, Jitsutaka Chiba, JP 16 54

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7.5 Year Payment $3600.00 $1800.00 $900.00 Apr 16, 2026
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