Purge valve including a dual coil permanent magnet linear...

Details Purge valve including a dual coil permanent magnet linear... Purge valve including a dual coil permanent magnet linear...

2006-06-27

2006-06-27

Moulis, Thomas (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel flow regulation between the pump and the charge-forming...

C123S520000, C251S129150, C251S129090

Reexamination Certificate

active

07066154

ABSTRACT:
A purge valve includes an aperture, a member, and an actuator. The aperture defines a portion of a vapor flow path that extends between a first port that communicates vapor with a fuel vapor collection canister and a second port that communicates vapor with an intake manifold of an internal combustion engine. The member is displaced between a first configuration that occludes the aperture and a second configuration that permits vapor flow along the vapor flow path. The actuator, which displaces the member between the first and second configurations, includes a stator and an armature. The stator includes first and second windings that are spaced along an axis. The armature, which is coupled to the member, includes a permanent magnet that is axially positioned at least partially between the first and second windings.

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PCT International Search Report, Application No. PCt/CA2004/000922, date of completion Oct. 8, 2004.

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