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Patent Searching and Data


Title:
HYBRID SHOVEL AND METHOD FOR CONTROLLING HYBRID SHOVEL
Document Type and Number:
WIPO Patent Application WO/2013/061893
Kind Code:
A1
Abstract:
The hybrid shovel of the present invention controls a buck-boost converter stably and in a high-efficiency range. A control device (30) for the hybrid shovel is provided to a revolving upper structure (3), and imparts a control signal to an electric generator controller and/or a charge/discharge controller. During regeneration of a motor (21), the control device (30) sets the power storage target value of a second power storage unit (110) to a value higher than the power storage target value of a first condenser (19).

Inventors:
SUGIYAMA YUTA (JP)
Application Number:
PCT/JP2012/077142
Publication Date:
May 02, 2013
Filing Date:
October 19, 2012
Export Citation:
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Assignee:
SUMITOMO HEAVY INDUSTRIES (JP)
International Classes:
E02F9/20; E02F9/22; H01M10/44; H02J7/00
Domestic Patent References:
WO2009082010A12009-07-02
Foreign References:
JP2009191463A2009-08-27
JP2010133237A2010-06-17
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
Tadashige Ito (JP)
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Claims: