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:
Jul. 28, 2009
Filed:
Sep. 22, 2006
Udo Herrmann, Johannesberg, DE;
Alfred Langen, Groβostheim, DE;
Klaus Schillings, Langenselbold, DE;
Volker Schreiber, Niedernberg, DE;
Bernward Welschof, Groβostheim, DE;
Udo Herrmann, Johannesberg, DE;
Alfred Langen, Groβostheim, DE;
Klaus Schillings, Langenselbold, DE;
Volker Schreiber, Niedernberg, DE;
Bernward Welschof, Groβostheim, DE;
Linde material Handling GmbH, Aschaffenburg, DE;
Abstract
A mobile machine, such as an industrial truck, has heat-emitting drive components (K) of a traction drive and a hydraulic work system. The traction drive includes at least one electric traction motor () and a traction motor control system (). The hydraulic work system includes at least one electric pump motor () and a pump motor control system (). At least some of the drive components (K) are located in a cooling circuit. The cooling circuit has a cooling device (), to which, on the output side, the traction motor (), the pump motor (), the traction motor control (), and the pump motor control system () are connected, and which can be connected on the input side, depending on the fluid temperature in a reservoir () of the hydraulic work system, to the reservoir () or to a return line of the heat-emitting drive components (K).