The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 2014
Filed:
Oct. 30, 2013
Applicant:
Sumitomo(s.h.i.) Construction Machinery Co., Ltd., Tokyo, JP;
Inventors:
Hideto Magaki, Chiba, JP;
Ryuji Shiratani, Chiba, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60W 20/00 (2006.01); E02F 3/43 (2006.01); E02F 9/20 (2006.01); E02F 9/22 (2006.01); F02D 41/02 (2006.01); F02D 11/10 (2006.01); F02D 31/00 (2006.01); F02D 29/04 (2006.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
B60W 20/10 (2013.01); E02F 9/2075 (2013.01); E02F 9/2246 (2013.01); F02D 41/021 (2013.01); F02D 11/107 (2013.01); F02D 31/002 (2013.01); E02F 3/435 (2013.01); F02D 41/0205 (2013.01); F02D 29/04 (2013.01); F02D 41/0007 (2013.01);
Abstract
A shovel includes an internal combustion engine, a hydraulic pump connected to the internal-combustion engine, a generator connected to the internal-combustion engine, and a control part that controls the generator. The control part increases an electric generation load of the generator before a hydraulic load of the hydraulic pump increases.