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:
Sep. 30, 2008
Filed:
Oct. 11, 2005
Francisco A. Gutierrez, Fort Wayne, IN (US);
Bradley S. Carlson, Fort Wayne, IN (US);
Francisco A. Gutierrez, Fort Wayne, IN (US);
Bradley S. Carlson, Fort Wayne, IN (US);
International Truck Intecllectual Property Company, LLC, Warrenville, IL (US);
Abstract
A method and system for estimating weight of a trailer () being towed by a tractor () along a generally horizontal underlying surface. A portion of the trailer weight is borne on the tractor fifth wheel () and the remainder by rear wheels () rolling on the underlying surface. The tractor accelerates the trailer from an initial velocity to a final velocity over a time interval that is measured by a timer. The force that the tractor needed to exert on the trailer in order to change the velocity is also measured. Various data, including that force, are processed according to an algorithm to calculate the weight of the trailer by itself. Other data processed includes data (N) representing the portion of the weight of the trailer borne through the tractor, data representing the change in velocity of propulsion (□v), data representing length of the interval of time (t), and data (μ) representing coefficient of friction of the wheels () with the underlying surface.