Charging system for a vehicle
Patent 5049802 Issued on September 17, 1991. Estimated Expiration Date: 
March 1, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 1, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3169733 3603860 3898547 3904947 Battery control system for battery operated vehicles Automotive charger system Apparatus and method for charging a battery in a vehicle Vehicle battery charging apparatus Microprocessor electric vehicle charging and parking meter system structure and method Mobile robot calling system InventorsAssigneeApplicationNo. 487001 filed on 03/01/1990US Classes:320/107, CELL OR BATTERY CHARGER STRUCTURE320/128, With charging414/227APPARATUS PARTICULARLY ADAPTED FOR CHARGING OR DISCHARGING A FACILITY COMPRISING ONE OR MORE SITES FOR THE PARKING OF WHEELED VEHICLESExaminersPrimary: Hickey, R. J.Attorney, Agent or FirmInternational ClassesH02J 007/00E04H 006/00 AbstractAutomated charging systems for vehicles having rechargeable batteries are in common use today. Such systems typically have exposed contacts or the need for additional circuitry to move the contacts. The subject system includes circuitry which allows the charge receiving member to be only connected to the battery during charging. The charging system produces a charging signal in response to a low battery. A microprocessor receives the charging signal and responsively produces a "pulse" signal. A second transistor switch receives the "pulse" signal and responsively energizes a charging contactor coil. In response to the charging contactor coil being energized, contacts controllably block power from the battery to the motor and pass power from the receiving member to the battery.Other References
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