×

Poppet for a fuel vapor pressure management apparatus

  • US 20030056771A1
  • Filed: 06/14/2002
  • Published: 03/27/2003
  • Est. Priority Date: 06/14/2001
  • Status: Active Grant
First Claim
Patent Images

1. A device for a fuel vapor pressure management apparatus of a fuel system supplying fuel to an internal combustion engine, the fuel vapor pressure management apparatus performing leak detection on a headspace of the fuel system, performing excess negative pressure relief of the headspace, and performing excess positive pressure relief of the headspace, the device comprising:

  • a housing defining an interior chamber; and

    a poppet movable along an axis, the poppet includes a perimeter having a plurality of notches, interposed between each adjacent pair of the notches is a corresponding tab, and each tab includes a radially outer edge adapted to cooperate with the housing so as to guide movement of the poppet associated with the performing excess positive pressure relief.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×