Casting core and method for forming a water jacket chamber withi

Details Casting core and method for forming a water jacket chamber withi Casting core and method for forming a water jacket chamber withi

1992-01-16

1993-06-08

Seidel, Richard K.

Metal founding

Process

Shaping liquid metal against a forming surface

164369, 164370, B22C 910

Patent

active

052170594

ABSTRACT:
A casting core (42) for forming a water jacket chamber (28) within a cylinder block (22) includes a bonded sand continuous wall portion (48) for forming a water passage (30) encircling a plurality of the cylinders (24) and through which water is circulated for cooling the perimeter of the cylinders (24). The casting core (42) also includes a bridging portion (46) that extends cross-wise in the wall (48) for forming a thin water passage bypass (32) extending through the thin web of cylinder block material (26) separating the adjacent cylinders (24) for providing cooling between the piston cylinders (24). The bridging portion (46) comprises a metal support element (64) covered by a sleeve of woven refractory material (66). A method is also provided for producing a cylinder block having such a casting core (42).

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