Title:
ショベル
Document Type and Number:
Japanese Patent JP5653844
Kind Code:
B2
Abstract:
A shovel includes an engine; a hydraulic pump driven by the engine; an attachment including a boom, the attachment being driven with hydraulic fluid discharged by the hydraulic pump; a motor generator configured to assist driving by the engine; an electric power accumulating part configured to accumulate electric power generated by the motor generator; a motion state detecting part configured to detect the motion state of the attachment; and an assist control part configured to control the execution of an assist by the motor generator using the electric power accumulated in the electric power accumulating part. The assist control part is configured to cause the motor generator to assist the engine during a boom raising motion after an excavation motion.
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Inventors:
曲木 秀人
白谷 竜二
竹尾 実高
白谷 竜二
竹尾 実高
Application Number:
JP2011127264A
Publication Date:
January 14, 2015
Filing Date:
June 07, 2011
Export Citation:
Assignee:
住友建機株式会社
International Classes:
E02F9/20
Attorney, Agent or Firm:
Tadahiko Ito