US Patent 6862504 System and method for detecting alternator condition
Patent 6862504 was granted and assigned to LG on March, 2005 by the United States Patent and Trademark Office.
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Patent abstract
A system and method for detecting alternator condition is provided. Information is taken from the vehicle powerline and the communication links, and processed by the vehicle ECU, such as the vehicle antilocking brake system ECU, to obtain data. The battery voltage ripple amplitude is then calculated and compared at different engine speeds. If the difference in the ripple amplitude at the different engine speeds is greater than a predetermined threshold value, a signal is sent indicating that the alternator has failed.
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Patent Inventor Names
Gusztav Holler0
Joseph M. Macnamara0
Kenneth A. Grolle0
Kirit A. Thakkar0
Marv M. Hamdan0
Date of Patent
March 1, 2005
0Patent Application Number
102385430
Date Filed
September 10, 2002
0Patent Primary Examiner
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US Patent 6862504 System and method for detecting alternator condition
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