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EVAPORATED FUEL PROCESSING DEVICE

  • US 20160298577A1
  • Filed: 09/01/2014
  • Published: 10/13/2016
  • Est. Priority Date: 11/25/2013
  • Status: Active Grant
First Claim
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1. An evaporated fuel processing device comprising:

  • a canister including an adsorbent material that adsorbs evaporated fuel generated in a fuel tank;

    a vapor passage configured to connect the canister and the fuel tank;

    a purge passage configured to connect the canister and an intake passage of an engine;

    a shutoff valve provided in the vapor passage, and configured to adjust flow rate of gas flowing through the vapor passage;

    a storage device configured to store in advance a reference value for the shutoff valve corresponding to an internal pressure of the fuel tank; and

    a control device configured to perform a pressure release control by controlling the shutoff valve based on the reference value which is obtained from the internal pressure of the fuel tank.

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