Valve providing increase in flow for increase in power level
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United States of America Patent
Stats
-
Apr 20, 2004
Grant Date -
Feb 21, 2002
app pub date -
Aug 14, 2001
filing date -
Aug 14, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A canister purge valve increases flow through the valve for an increased power level. The canister purge valve includes a housing that defines a volume and has an inlet and an outlet in fluid communication with the volume. A coil is disposed in the volume proximate the outlet. A stator is disposed in the volume proximate the outlet, the stator having a first surface. An armature is disposed in the coil, the armature having a second surface proximate the first surface of the stator and defining a gap therebetween. The armature is movable to an open position permitting fluid flow through the volume in response to an energization of the coil. A biasing member is disposed between the stator and the armature, the biasing member urging the armature to a closed position prohibiting fluid flow through the volume. An elastomeric contact member is disposed in the gap, the member maintaining continuous contact with the first and second surfaces during an entire movement of the armature between the open and closed positions.
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