Exhaust silencer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
May 17, 2007
app pub date -
Oct 6, 2006
filing date -
Oct 7, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An exhaust silencer includes a flow pipe supported in a housing. A space is defined between the flow pipe and the housing. At least one movable flap is located in the space and is resiliently biased to a closed position and movable by exhaust gas pressure from said closed position to an opened position. The at least one flap provides less restriction to exhaust gas flow through the space in the opened position as compared to the closed position. The one or more flaps are pivotably supported on a spring-biased hinge assembly or are provided as part of a resiliently deformable baffle plate that uncovers flow apertures under force of exhaust pressure. The baffle plate is selectively removable by an end-user to allow for maximum exhaust flow when desired. The flow pipe can be omitted in a base plate only version.
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