Shovel

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10704230
APP PUB NO 20170130428A1
SERIAL NO

15409779

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A shovel includes a lower traveling body, an upper rotating body, an attachment including a boom and an arm, a controller, an engine, and a hydraulic pump that is driven by the engine and discharges hydraulic oil to drive the attachment. The controller is configured to obtain a hydraulic load applied to the attachment and calculate an engine speed command at predetermined time intervals based on the obtained hydraulic load.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO HEAVY INDUSTRIES LTDTOKYO 141-6025
SUMITOMO(S H I ) CONSTRUCTION MACHINERY CO LTDJAPAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kitajima, Daisuke Chiba, JP 10 118
Matsuzaki, Eisuke Kanagawa, JP 6 29

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