Patents Assigned to U.S. Autotronics
  • Battery protection device
    Patent number: 4149093
    Abstract: A device for providing protection to a battery utilized as an auxiliary and starting power source for a motor-generator. The device includes a switch positioned intermediate the battery and the load and circuit means for integrating current flow from said battery when said generator is inoperative and automatically opening the switch when the product of said integration reaches a predetermined threshold level. The device is particularly adapted for a vehicular battery and uses a length of the battery cable for detecting current flow.
    Type: Grant
    Filed: August 31, 1977
    Date of Patent: April 10, 1979
    Assignee: U.S. Autotronics
    Inventors: Frank P. D'Alessio, Warren Andrews