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:
Feb. 28, 2006
Filed:
May. 02, 2003
Ulf Bergmann, Wakendorf II, DE;
Nils-peter Hansen, WFockstrasse, DE;
Frank Hörmann, Westensee, DE;
Benjamin Jonas, Henstedt-Ulzburg, DE;
Michael Knieriem, Norderstedt, DE;
Olaf Lenz, Hamburg, DE;
Rüdiger Schwarz, Quickborn, DE;
Ulf Bergmann, Wakendorf II, DE;
Nils-Peter Hansen, WFockstrasse, DE;
Frank Hörmann, Westensee, DE;
Benjamin Jonas, Henstedt-Ulzburg, DE;
Michael Knieriem, Norderstedt, DE;
Olaf Lenz, Hamburg, DE;
Rüdiger Schwarz, Quickborn, DE;
Jungheinrich Aktiengesellschaft, Hamburg, DE;
Abstract
Driving system with converter control for low voltage three-phase motors, which is provided with a power unit containing transistors and capacitors, a triggering unit for the transistors and a control unit as well as connections for direct and alternating current, the units being disposed in a common casing made of a heat-conductive material, characterised by the following features: the power unit is provided with a first printed circuit board () made of fairly heat-conductive material, which is disposed on the fairly heat-conductive bottom of the casing () in a plane fitting arrangement, a second printed circuit board () contains the triggering unit, the second printed circuit board () being electrically and mechanically connected to the first printed circuit board () in a spacing to it with the aid of contact pins () of metallic material attached on the first printed circuit board () by soldering, and terminal pins () are connected with contact points () of the first printed circuit board () and lead through openings in the second printed circuit board () as well as in the cover () in an insulated manner.