EVAPORATIVE HYDROCARBON EMISSIONS FILTER

PROBLEM TO BE SOLVED: To provide an adsorption filter that has small ventilation resistance and is compact, wherein an adsorbent material is hardly peeled off, concerning a hydrocarbon vapor adsorption for an engine air induction system. SOLUTION: A mechanism is provided for mounting a hydrocarbon v...

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Hauptverfasser: UNGER PETER D, ZULAUF GARY B, BAUSE DANIEL E, SMITH ROBERT L, STEMLER BRYON W, ROHRBACH RONALD P, BERKEY RICHARD J
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an adsorption filter that has small ventilation resistance and is compact, wherein an adsorbent material is hardly peeled off, concerning a hydrocarbon vapor adsorption for an engine air induction system. SOLUTION: A mechanism is provided for mounting a hydrocarbon vapor adsorbent member 22 within the air induction system 10. Hydrocarbon vapors present in the air induction system after engine shut-down are substantially retained in the adsorbent member until air flows through the air induction system after the engine starts. COPYRIGHT: (C)2011,JPO&INPIT