Partition plate for intake port, sand core for forming...

Details Partition plate for intake port, sand core for forming... Partition plate for intake port, sand core for forming...

2006-04-25

2006-04-25

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder head

C123S306000, C164S098000

Reexamination Certificate

active

07032560

ABSTRACT:
A partition plate for an intake port of a cylinder head to be manufactured by cast molding is preliminarily set prior to the cast molding in a sand core applied to form the intake port and then cast in by the cast molding to partition the intake port into a plurality of ports. The partition plate is provided with an intake-side distal end, a cylinder-side distal end, a pair of side edges continuous with the intake-side distal end and the cylinder-sided distal end and to be cast in by molten metal during the cast molding. Each of the pair of side edges having end faces facing in a thickness direction and a side end face continuous with the end faces. The partition plate is further provided with a promoter section provided on at least one of the side end face and the end faces of each of the pair of side edges to promote solidification of the molten metal.

REFERENCES:
patent: 5632244 (1997-05-01), Endres et al.
patent: 2002/0078921 (2002-06-01), Kim et al.
patent: 198 03 867 (1999-08-01), None
patent: 1 336 750 (2003-08-01), None
patent: 2001-193469 (2001-07-01), None

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