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. 27, 2022
Filed:
May. 30, 2022
Geotab Inc., Oakville, CA;
Meghan Frances Fotak, Mississauga, CA;
Jialin Zhu, Toronto, CA;
James David Johnston, Temple, GA (US);
Weinan Sun, Mississauga, CA;
Matthew Konski, Mount Hope, CA;
Michael Angelo David Santorelli, Concord, CA;
Daniel Alec Sheen, Burlington, CA;
Robert Spencer Hockin, Milton, CA;
Xiaohui Yu, Toronto, CA;
Geotab Inc., Oakville, CA;
Abstract
Methods and systems for determining an alternator condition in a motor vehicle are provided. The method includes performing a plurality of micro wakeups to capture voltage values during a cranking event, determining the maximum cranking voltage and its timestamp, detecting an ignition signal, determining the maximum device voltage and its timestamp, and determining a potential alternator undercharging condition if a duration between the maximum cranking voltage timestamp and the maximum device voltage timestamp is greater than an undercharging indicator duration threshold. Advantageously, an alternator may be repaired or replaced before it fails thus averting having the motor vehicle inoperable.