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Loop-type voltage regulating device

  • US 6,833,688 B2
  • Filed: 12/18/2000
  • Issued: 12/21/2004
  • Est. Priority Date: 06/13/2000
  • Status: Expired due to Term
First Claim
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1. A loop-type voltage regulating device, particularly for regulating a voltage of an automotive electric system that has at least one thermal engine, a voltage regulator, and an alternator operative to deliver a system-regulated voltage signal to and receive a regulation signal from the voltage regulator, comprising:

  • a control unit connected between said thermal engine and said voltage regulator, the control unit adapted to receive the system-regulated voltage signal from the alternator without receiving a phase signal from the alternator and at least one engine operation signal pertaining to one from among engine torque value, engine rpm, and engine temperature, and in response thereto to supply said voltage regulator with a signal corresponding to the engine operation for controlling the regulated voltage signal delivered from the alternator, said voltage regulator having at least a first terminal connected to a first terminal of the control unit, the control unit arranged to deliver said phase signal to said voltage regulator.

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