Casting mold for engine block

Details Casting mold for engine block Casting mold for engine block

2006-09-12

2006-09-12

Kerns, Kevin P. (Department: 1725)

Metal founding

Process

Shaping liquid metal against a forming surface

C164S332000

Reexamination Certificate

active

07104307

ABSTRACT:
A casting mold for an engine block and method for manufacturing the casting mold. In one embodiment, the casting mold includes a mold seat with a double-curved surface, and a cast-in cylinder liner. The cylinder liner has an axis and an end surface. The end surface is in tangential contact with the double-curved surface in a seated position prior to any thermal expansion of the cylinder liner. In various embodiments, the cylinder liner becomes slightly unseated upon thermal expansion.

REFERENCES:
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patent: 5365997 (1994-11-01), Helgesen et al.
patent: 5771955 (1998-06-01), Helgesen et al.
patent: 6363995 (2002-04-01), Baranzke
patent: 6527040 (2003-03-01), Singer et al.
patent: 6533020 (2003-03-01), Shade
patent: 6598655 (2003-07-01), Newcomb et al.

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