Invention Grant
- Patent Title: Maintaining a vehicle battery
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Application No.: US15685439Application Date: 2017-08-24
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Publication No.: US10093198B2Publication Date: 2018-10-09
- Inventor: Cathleen Tistle , Mark Eifert , Christopher Semanson
- Applicant: Ford Global Technologies, LLC
- Applicant Address: US MI Dearborn
- Assignee: FORD GLOBAL TECHNOLOGIES, LLC
- Current Assignee: FORD GLOBAL TECHNOLOGIES, LLC
- Current Assignee Address: US MI Dearborn
- Agency: Bejin Bieneman PLC
- Agent Frank A. MacKenzie
- Main IPC: H02J7/04
- IPC: H02J7/04 ; H02J7/16 ; B60L11/18 ; H01M10/06 ; H01M10/44 ; H01M10/48

Abstract:
A method is provided for determining a lower voltage set-point, an upper voltage set-point, a temperature-dependent upper current set-point, a time limit value, and a lower current hysteresis threshold set-point based on a measured temperature of a battery. A charge current from a battery charging circuit is provided. If a charge voltage is above the lower voltage set-point and below the upper voltage set-point and the charge current exceeds the temperature-dependent upper current set-point, timer is started. If the timer reaches a time limit value while the charge current exceeds the temperature-dependent upper current set-point and the charge voltage is between the lower voltage set-point and the upper voltage set-point, the charge current is reduced.
Public/Granted literature
- US20180037133A1 MAINTAINING A VEHICLE BATTERY Public/Granted day:2018-02-08
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