Adjustable helmholtz resonator
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United States of America Patent
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Sep 8, 2009
Grant Date -
Jul 24, 2008
app pub date -
Jan 23, 2007
filing date -
Jan 23, 2007
priority date (Note) -
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Abstract
An adjustable Helmholtz resonator assembly is provided having an active state and an inactive state. In the active state the Helmholtz resonator assembly is operable to attenuate pressure pulsations within air passing therethrough. In the inactive state the Helmholtz resonator assembly does not attenuate pressure pulsations within air passing therethrough. The Helmholtz resonator assembly is preferably configured to be mounted within an intake system of an internal combustion engine.
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