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:
Apr. 30, 2013
Filed:
Aug. 08, 2011
Teddy Siy, Royal Oak, MI (US);
Matthew A. Herrmann, Royal Oak, MI (US);
Todd P. Lindemann, Howell, MI (US);
Jason P. Hafer, Gaines, MI (US);
Teddy Siy, Royal Oak, MI (US);
Matthew A. Herrmann, Royal Oak, MI (US);
Todd P. Lindemann, Howell, MI (US);
Jason P. Hafer, Gaines, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A method for predicting the remaining travel distance of an electric vehicle. The method includes determining a useable battery energy value based on battery state-of-charge and battery capacity and a power value needed to heat or cool a vehicle cabin. The method determines an available battery energy value based on the useable battery energy value and an estimated energy value to provide the vehicle cabin heating or cooling, where the estimated energy value is determined using the power value. The method determines a recent energy used value based on an actual recent HVAC energy used value, a recent energy used value with no HVAC system loads and a recent energy used value with maximum HVAC system loads. The method determines a recent distance traveled value and determines the range by dividing the recent distance traveled value by the recent energy used value and multiplying by the available battery energy value.