Pneumatic blow-off silencer
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United States of America Patent
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Issued Date -
Mar 10, 2005
app pub date -
Sep 8, 2004
filing date -
Sep 10, 2003
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a silencer for the damping of noises occurring in pneumatic pressure systems as a result of pressure blow-off flows from a pressure side to an atmosphere side. The silencer consists of a housing surrounding an expansion space, with a pressure-side inlet for the blow-off flow and with an opposite atmosphere-side outlet. A damping element consisting of a porous material through which a flow is capable of passing is arranged within the expansion space in the vicinity of the inlet. The damping element has a flow area through which a flow is capable of passing, which is larger than the inner cross-sectional area (A.sub.1) of the expansion space.
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