Method of casting components with inserts for noise reduction
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United States of America Patent
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Jan 12, 2010
Grant Date -
Mar 22, 2007
app pub date -
Jun 27, 2006
filing date -
Sep 20, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention provides a method for manufacturing a powertrain component enclosure member, including the steps of: (A) positioning at least one insert into a mold, wherein the insert is provided with a coating to prevent bonding between the insert and the casting material; and (B) casting a wall of the powertrain component enclosure member in the mold around the insert such that a major portion of the insert is substantially non-bonded with the casting material to provide a proper interfacial boundary with the casting material for damping.
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