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.:

US 6678972 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 20, 2004

Filed:

Jan. 11, 2002
Applicant:
Inventors:

Masami Naruse, Hirakata, JP;

Masatake Tamaru, Tatsunokuchi-machi, JP;

Kenzo Kimoto, Hirakata, JP;

Assignee:

Komatsu Ltd., , JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 9/00 ;
U.S. Cl.
CPC ...
E02F 9/00 ;
Abstract

A hybrid construction equipment capable of sufficiently exhibiting performance of a battery with strategic arrangement of the apparatuses being carried out is provided. For this purpose, the hybrid construction equipment includes, on an upper revolving superstructure ( ) rotatably placed on a lower traveling unit, an engine ( ), a generator ( ) driven by the engine ( ), a battery ( ) charged with electric power generated by the generator ( ), an electric motor ( ) driven by electric power of the battery ( ), an inverter ( ) for controlling drive of the electric motor ( ) and a driver's cab ( ), and the battery ( ) is placed to be isolated from the engine ( ) and the generator ( ).


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Naruse, Masami. (2004). Hybrid construction equipment (U.S. Patent No. 6678972). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6678972

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