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Apparatus for preventing discharge of fuel vapor

  • US 5,080,421 A
  • Filed: 03/21/1990
  • Issued: 01/14/1992
  • Est. Priority Date: 03/22/1989
  • Status: Expired due to Fees
First Claim
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1. An apparatus for preventing discharge of fuel vapor from a fuel tank mounted within a vehicle, the fuel tank having a fuel inlet aligned with an exterior opening in the vehicle and a cap for opening and closing the fuel tank inlet, comprising:

  • adsorbing means mounted to the vehicle for adsorbing fuel vapor from said fuel tank;

    communicating means connecting said adsorbing means and said fuel tank for transferring the fuel vapor from said fuel tank to said adsorbing means when in an open position and for isolating the adsorbing means from the fuel tank when in a closed position;

    a fuel lid pivotably mounted to the vehicle adjacent the vehicle exterior opening and being movable between an open and closed position for uncovering and covering the exterior opening in the vehicle;

    lid locking means mounted to the vehicle and said fuel lid moving between a locking position for holding said fuel lid in a closed position and an unlocking position for releasing said fuel lid to the open position;

    switching means disposed adjacent an end of said lid locking means responsive to the movement of said lid locking means between said locking position and said unlocking position for controlling said communicating means between the open and closed position;

    closing means operably connected to said communicating means electrically controlled by said switching means for closing said communicating means when said lid locking means is in said locking position; and

    lid opening means movably attached to said lid locking means and including a control mechanism remotely disposed in the vehicle from the lid locking means for remotely opening said lid locking means in interlocking relation with the operation of said switching means.

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