Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system
Patent
1992-12-02
1993-08-24
Miller, Carl S.
Internal-combustion engines
Charge forming device
Having fuel vapor recovery and storage system
123458, 25112915, 25112905, F02M 3302
Patent
active
052379809
ABSTRACT:
An irregularity that might otherwise be present in the flow characteristic of the system is cured by damping the motion of the armature of the CPS valve in two ways. One way comprises incorporating a "step" into the confronting faces of the armature and stator at their interface across the air gap. The other way comprises guiding the armature motion by means of a brass tube with sufficiently small running clearance such that pneumatic damping occurs.
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Boller George L.
Miller Carl S.
Siemens Automotive Limited
Wells Russel C.
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