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POWER FEED SYSTEM FOR VEHICLE

  • US 20090015976A1
  • Filed: 05/30/2005
  • Published: 01/15/2009
  • Est. Priority Date: 05/31/2004
  • Status: Abandoned Application
First Claim
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1. A power feed system for a vehicle provided with a plurality of nodes provided with a load control portion for controlling an electric load disposed at each portion of a vehicle, respectively, a power line for supplying power to each node, and a multiplex transmission line connecting each node to each other, comprising an abnormal current detection portion disposed in a line for receiving power feed from the power line at each node for detecting abnormality of a load current, a detection signal generation portion that starts to receive power when abnormality is detected at the abnormal current detection portion and sends a weak current as an output signal, a diagnostic signal line in common to each node, connected to the detection signal generation portion for transmitting the signal from the detection signal generation portion, and a switching portion for switching the power feed from the power line to the load control portion or the detection signal generation portion.

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