Hydrocarbon adsorber for air induction systems

Details Hydrocarbon adsorber for air induction systems Hydrocarbon adsorber for air induction systems

2007-06-21

2009-11-03

Moulis, Thomas N (Department: 3747)

Internal-combustion engines

Charge forming device

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

C123S518000, C096S121000, C096S135000

Reexamination Certificate

active

07610904

ABSTRACT:
An inlet conduit for an engine air induction system, comprising: a plurality of openings located about the inlet conduit; a hydrocarbon vapor-adsorbent member disposed on an exterior surface of the inlet conduit, the hydrocarbon vapor-adsorbent member covering the plurality of openings; and a covering member secured over the hydrocarbon vapor-adsorbent member, the covering member sealing the hydrocarbon vapor-adsorbent member to the inlet conduit, wherein hydrocarbon vapors present in the air induction system after engine shut-down are substantially retained in the hydrocarbon vapor-adsorbent member until air flows through the air induction system after the engine starts.

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