INTERNAL COMBUSTION ENGINE HAIVNG CYLINDER DEACTIVATION
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United States of America Patent
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Issued Date -
Feb 14, 2013
app pub date -
Jan 18, 2011
filing date -
Feb 4, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An internal combustion engine (1) having at least two cylinders (4) or at least two groups (2, 3) of cylinders (4), of which at least one is electronically deactivatable, has at least one inlet strand (5, 6) and at least one outlet strand (7, 8). In order to improve the quality of the operating noise in the interior of a passenger cell, at least one inlet strand (5, 6) of at least one deactivated cylinder (4) can be acoustically connected via at least one sound conducting apparatus (21, 22) to an inner chamber (20) of a vehicle (19).
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