Partition plate for intake port, intake port molding sand core and cylinder head
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United States of America Patent
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Sep 5, 2006
Grant Date -
Apr 21, 2005
app pub date -
Oct 20, 2004
filing date -
Oct 20, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A partition plate (tumble plate) for an intake port is previously placed in an intake port molding sand core (port core) for forming an intake port of a cylinder head, and cast-in as the cylinder head is cast-molded, to partition the intake port into a plurality of ports. The partition plate is provided with shift preventing portion that prevent positional shift relative to the intake port molding sand core.
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