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Automotive fuel supply apparatus

  • US 20030192508A1
  • Filed: 03/20/2003
  • Published: 10/16/2003
  • Est. Priority Date: 04/16/2002
  • Status: Active Grant
First Claim
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1. An automotive fuel supply apparatus comprising:

  • a fuel pump for conveying fuel under pressure from inside a fuel tank, said fuel pump including a check valve;

    a fuel distribution line for connecting said fuel pump and a fuel injection valve of an engine;

    a fuel pressure regulator connected to said fuel distribution line for controlling fuel pressure in said fuel distribution line so as to be at a controlled pressure;

    a pressure accumulator disposed on said fuel distribution line for accumulating pressure in said fuel conveyed under pressure to said fuel distribution line;

    a pressure detector for measuring fuel pressure inside said fuel distribution line; and

    a pump controlling means for controlling activation of said fuel pump in response to output from said pressure detector.

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