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:
Oct. 09, 2007
Filed:
Jul. 19, 2004
Masayuki Kagoshima, Kobe, JP;
Masayuki Kagoshima, Kobe, JP;
Kobelco Construction Machinery Co., Ltd., Hiroshima-shi, JP;
Abstract
A hybrid construction machine according to the present invention is constructed to drive electric motors () by means of power of a power generator () to be driven by an engine (), power of an auxiliary battery () and power of a main battery (12) charged with power of the power generator (). The hybrid construction machine has a switch () for switching to drive the electric motors () by means of power of at least one of the power generator () and the main battery () when operating normally and to drive the electric motors () by means of power of the auxiliary battery () when operating emergency such that the electric motors () can not be driven by means of the normal power.