Powder metal bearing cap breathing windows
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United States of America Patent
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Jul 3, 2012
Grant Date -
Apr 29, 2010
app pub date -
Mar 21, 2008
filing date -
Mar 23, 2007
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Abstract
The present invention provides a PM main bearing cap, and its precursor compact, with an undercut breathing window that is formed during a compaction process. By fabricating the undercut during the compaction process, the invention eliminates the need for a secondary machining operation to form the undercut feature in the bearing caps.
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