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VAPOR PROCESSING APPARATUS

  • US 20120097269A1
  • Filed: 09/30/2011
  • Published: 04/26/2012
  • Est. Priority Date: 10/25/2010
  • Status: Active Grant
First Claim
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1. A vapor processing apparatus comprising:

  • a tank-inner-pressure detector configured to detect tank inner pressure of a fuel tank retaining fuel to be supplied to an engine;

    an atmospheric-pressure detector configured to detect atmospheric pressure;

    a canister configured to adsorb and collect vapor generated in the fuel tank;

    a control valve disposed in a vapor channel connected to the fuel tank; and

    a controller configured to control opening and closing of the control valve based on a value detected by the tank-inner-pressure detector, a value detected by the atmospheric-pressure detector, and a correction value learned in advance, when in a predetermined state.

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