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Polyphase alternator and dual voltage battery charging system for multiple voltage loads

  • US 4,816,736 A
  • Filed: 03/12/1987
  • Issued: 03/28/1989
  • Est. Priority Date: 03/12/1987
  • Status: Expired due to Term
First Claim
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1. A dual voltage battery power supply system for vehicular devices having multiple load means of different voltages, comprisinga battery means having first and second voltage terminal means defining a high voltage supply and having an intermediate terminal means defining first and second low voltage supplies with respect to said first and second voltage terminal means,a polyphase alternator having a polyphase winding including a plurality of phase windings connected to polyphase output terminal means for supplying a polyphase output voltage and having a center terminal means connected to each of said phase windings to divide the voltage of each phase winding,a single full wave rectifying circuit connecting said battery means to said polyphase output terminal means and to said first and second voltage terminal means to supply full wave rectified power to said first and second voltage terminal means and to said battery means,and means connecting said intermediate terminal means of said battery means to said center terminal means of said polyphase winding for connecting the battery means to the opposite sides of said intermediate terminal means into separate charging circuits with the polyphase winding and said full wave rectifying circuit whereby the voltage of each phase winding is divided and connected in circuit through said rectifying circuit.

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