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:
May. 15, 2001
Filed:
Jul. 22, 1999
Heiko Claussen, Hannover, DE;
Jurgen Eickhoff, Walsrode, DE;
WABCO GmbH, Hannover, DE;
Abstract
A method for controlling the speed of an off-the-road vehicle traveling on a gradient permits a constant downhill speed to be maintained. The vehicle speed can be set to a constant descending speed by an electronic system through active braking intervention, without requiring actuation of the brake by the driver. The vehicle in which the method is practiced has several forward speeds and one reverse speed within a low-range traveling phase. The constant descending speed is dependent upon the position of the gas pedal and upon the currently engaged gear of the low-range traveling phase. The method for use in off-the-road vehicles is particularly advantageous for situations in which the braking action of the engine on steep gradients is no longer sufficient to decelerate the vehicle.