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. 13, 2018
Filed:
Dec. 09, 2014
Rototest International Ab, Rönninge, SE;
Rototest International AB, Ronninge, SE;
Abstract
The present invention relates to a method for use in dynamometer testing of a vehicle (), the vehicle () including at least a first wheel shaft and at least one first vehicle power source for providing power to said first wheel shaft, said first wheel shaft being connected to a vehicle dynamometer system, said vehicle dynamometer system comprising a first controllable dynamometer power source () for providing power to said first wheel shaft, said first dynamometer power source being an electrical machine () comprising a stator and a rotor, said stator comprising a stator winding. The method includes: determining whether a first temperature (T) is below a first temperature limit (T), and heating said electrical machine () by applying a current (I) to said stator winding when said first temperature (T) is below said first temperature limit (T).