×

Battery charge system

  • US 4,354,149 A
  • Filed: 09/11/1980
  • Issued: 10/12/1982
  • Est. Priority Date: 09/11/1980
  • Status: Expired due to Term
First Claim
Patent Images

1. A battery charge system, comprisinga magnet adapted to hold a load,a battery,an electrical power source,circuitry operably interconnecting the magnet, battery and power source, and including an SCR,a power transformer deriving power from the source and operable, when connected with the battery, for charging the battery,a control transformer deriving power from the source,valve means interposed between the power transformer and the battery,means for sensing minimum voltage level of the battery,means for sensing maximum voltage of the battery, andmeans controlled by the minimum voltage sensing means and operative for turning on the SCR and thereby connecting the power source and the battery, and controlled by the maximum voltage sensing means and operative for turning off the SCR and thereby disconnecting the power source from the battery.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×