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Lubricating oil supplying system for internal combustion engine

  • US 20060070600A1
  • Filed: 10/03/2005
  • Published: 04/06/2006
  • Est. Priority Date: 10/06/2004
  • Status: Active Grant
First Claim
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1. A lubricating oil supplying system for an internal combustion engine, comprising:

  • a lubricating oil storage section for storing lubricating oil;

    a driven pump driven by the internal combustion engine to suck the lubricating oil from said lubricating oil storage section and discharge the lubricating oil to a discharge passage;

    an electric pump for sucking the lubricating oil discharged from said driven pump to the discharge passage and discharge the lubricating oil to a lubricating oil requiring section in the internal combustion engine;

    a controlling mechanism for drivingly controlling said electric pump in accordance with a control signal;

    a bypass passage for bypassing said driven pump; and

    a check valve disposed in said bypass passage to allow the lubricating oil in the lubricating oil storage section to flow only through a path bypassing said driven pump and toward side of the discharge passage

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