Process for producing engine cylinder blocks

Details Process for producing engine cylinder blocks Process for producing engine cylinder blocks

1996-05-01

1998-05-26

Cuda, Irene

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

2988806, B23P 1500

Patent

active

057550280

ABSTRACT:
A method for producing a cylinder block for an internal combustion engine having a sealing surface on which a gasket is mounted, a number of cylinder bores arranged side by side, each cylinder bore opening to the sealing surface, a water jacket surrounding the cylinder bores, and a cooling passage located between the cylinder bores. A liner assembly is first formed by joining a set of cylinder liners with each other side by side. At least one of the liners has a recess that forms a space located between adjacent cylinder liners when the liners are joined. A cast body having the water jacket is molded by pouring molten metal into a mold after the liner assembly is positioned in the mold. The molten metal is prevented from entering the space during the molding process. The space is communicated with the water jacket to form the cooling passage.

REFERENCES:
patent: 4469060 (1984-09-01), Jordan
patent: 4969263 (1990-11-01), Adams
patent: 5069266 (1991-12-01), Nakatani et al.
patent: 5232041 (1993-08-01), Kuhn

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