Air-cleaner
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United States of America Patent
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-
Mar 2, 2010
Issued Date -
N/A
app pub date -
Jul 23, 2007
filing date -
Jul 24, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An air-cleaner includes a housing attached to an induction system of an internal combustion engine. The air-cleaner includes a filter element located within the housing and separating the internal of the housing into a dust side and clean side, the dust side having an introduction portion for introducing an external air into the housing, the clean side having a feeder portion for feeding a filtered air to an engine. The air-cleaner includes a plate-shaped adsorption element including an adsorbent to adsorb a vaporized fuel returned from an engine side and permitting an air to pass therethrough, the adsorption element arranged to cross the direction of an air flow and fitted to occupy the entire surface of the clean side in the housing. The adsorption element defines a port connecting the filter element and the feeder portion, and includes a valve disc to open or close the port. The valve disc is controlled to open during air inspiration for permitting an air to flow toward the feeder portion. The valve disc includes an adsorbent, and permits an air to pass therethrough.
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