Patent ID: 8820389
Filing Date: 2014-09-02
Classification: B22C,B22D

Abstract:
1. A method for high pressure die casting of an engine block assembly having at least one cast in place cylinder bore in the engine block, and a closed head deck surface, the method comprising: surrounding an outer, upper surface of at least one cast in place cylinder bore with a salt core to create a composite core, the salt core defining a water jacket; placing the composite core into a high pressure die casting mold for a closed deck engine block; injecting an engine block alloy into the high pressure die casting mold; removing the cast engine block and composite core from the high pressure die casting mold as a single engine block assembly; cooling the engine block, assembly; and dissolving the salt core portion of the composite core; wherein the cylinder bore is a separate cast in place cylinder bore formed separately from the die casting of the engine block.