Goodyear Aerospace Corporation

John B Arnold

John M Bowyer

Howard R Hegbar

Archie B Shaefer

A battery condition monitoring device which senses battery terminal voltage and creates a function thereof and tests that function against predetermined criteria and determines battery condition as a result of such tests. Furthermore, the invention operates on the transient of the battery terminal voltage existant immediately upon the loading of the battery. The test is performed on the slope of the terminal voltage transient and a function of that transient during a test period is created, analyzed and evaluated against reference levels.

Battery condition monitoring method and apparatus

A battery condition monitoring device and technique which senses battery terminal voltage at a predetermined time period after initial loading of the battery and determines battery condition as a result of such tests. A function of the terminal voltage is created and the time period determined by the length of time required for that function to reach a predetermined level. The test is performed on the slope of the terminal voltage transient.

A battery condition monitoring device which senses battery terminal voltage and creates a function thereof and tests that function against predetermined criteria and determines battery condition as a result of such tests. Further, the invention operates on the transient of the battery terminal voltage existant immediately upon the loading of the battery. The test is performed on the slope of the terminal voltage transient and a function of that transient during a test period is created, analyzed and evaluated against reference levels.

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Seville, OH, United States of America

John B Arnold