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:
Jan. 26, 2010
Filed:
Aug. 09, 2006
Bernward Welschof, Groβostheim, DE;
Bernward Welschof, Groβostheim, DE;
Linde Material Handling GmbH, Aschaffenburg, DE;
Abstract
The invention relates to a traction drive for a working machine, in particular an industrial truck, including an electrical converter having a generator (), which is drive-connected to a combustion engine (), and a traction motor (or), which is combined with the generator () in spatial terms to form one structural unit. In order to increase the performance of the traction drive whilst having a high degree of efficiency and in order to achieve a simple design, the electrical converter (generator, traction motors) has, according to the invention, an operating voltage of more than 100 volts, in particular more than 200 volts, and is connected to a cooling liquid cycle.