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:
Mar. 13, 2012
Filed:
Jul. 03, 2007
Andreas Rogg, Lübeck, DE;
Andreas Rogg, Lübeck, DE;
Jungheinrich Aktiengesellschaft, Hamburg, DE;
Abstract
A drive system with either a four-shaft epicyclic gearing consisting of two fixed links or one fixed link. A first shaft is coupled to an engine and a second shaft is connected to a first electric motor. The electric is coupled to the power supply of the industrial truck. A brake is coupled to a third shaft of the gearing , while a fourth shaft is coupled to a change gear. The change gear is coupled to a summing gear, the other input shaft connected to a second electric motor connected to the power supply. The output shaft is coupled to a driven wheel of the truck. A sensor device detects the speed of the engine and of the two motors. A control and regulating device sets the speeds and/or torque of the motors and of the engine according to setpoint signals and the output signals of the sensor device.