Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Patent
1995-03-15
1997-09-16
Cuda, Irene
Metal working
Method of mechanical manufacture
Prime mover or fluid pump making
29888061, B23P 1500
Patent
active
056667256
ABSTRACT:
A restoration sleeve for the remanufacture of cast iron engine blocks or aluminum blocks with cast iron liners includes a sleeve formed of cast iron and having a relatively thin wall, a selected length, an outer diameter to achieve a non-interference fit within an overbored cylinder, an inner diameter equal to the original specifications of the original manufacturer of the engine block, and a helical cross hatched inner surface finish. The sleeves are manufactured by placing an unfinished sleeve in a boring fixture, boring the inner surface to a selected diameter, transferring the bored sleeve to a honing fixture, and honing the inner surface to the required diameter and surface finish. An adhesive is applied to the restoration sleeve and the overbored block cylinders, and the sleeves are inserted into the overbored cylinders wherein the adhesive is allowed to cure to thereby adhesively retain the sleeves within the block. A fluorescent dye is used in the adhesive for inspection by ultraviolet light to insure continuous and complete application of the adhesive to the restoration sleeve and the bored cylinder surface.
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patent: 1842441 (1932-01-01), Yount
patent: 2434880 (1948-01-01), Bramberry
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patent: 4724819 (1988-02-01), Fleri
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patent: 4999912 (1991-03-01), Cuccato et al.
"Cylinder Liner Design", Automobile Engineer, vol. 43, No. 571, Oct. 1953, pp. 427-439.
Cuda Irene
Patent Master, Inc.
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