Method of and mold for casting a combined engine block and cylin

Details Method of and mold for casting a combined engine block and cylin Method of and mold for casting a combined engine block and cylin

1994-05-02

1995-12-12

Batten, Jr., J. Reed

Metal founding

Process

Shaping liquid metal against a forming surface

164340, 164342, 249145, 249176, B27D 1724, B27D 3304

Patent

active

054741190

ABSTRACT:
The mold comprises an outer mold part (10) which defines a mold cavity (11). Walls of the outer mold part form the outer surface of the combined engine block and cylinder head. There also are first and second inner mold parts (12, 13) which extend into the mold cavity and are maintained a distance from each other. Each of the first and second inner mold parts have a cylindrical portion (12a, 13a) which, during the casting procedure, forms the cylinder bores in the engine block. The first and second inner mold parts (12, 13) also each have an upper portion (12b, 13b) situated above the cylindrical portion. During the casting procedure the upper portions form portions of a combustion chamber common to the cylinder bores. The mold further includes an third inner mold part (15) which extends through the outer mold part (10) and cooperates with the first and second inner mold parts (12, 13) to form the combustion chamber during the casting procedure.

REFERENCES:
patent: 2184603 (1939-12-01), Portmann
patent: 2342900 (1944-02-01), Sandell
patent: 2421884 (1947-06-01), Holmes
patent: 4275689 (1981-06-01), Ray
patent: 4301856 (1981-11-01), DiRosa
patent: 4858670 (1989-08-01), Field et al.
patent: 4981168 (1991-01-01), Koch et al.
patent: 5069266 (1991-12-01), Nakatani et al.
patent: 5351744 (1994-10-01), Larsson

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