Flexibly making engine block assemblies

Details Flexibly making engine block assemblies Flexibly making engine block assemblies

F - Mech Eng,Light,Heat,Weapons

02

F

F02F 1/00 (2006.01) B22D 19/08 (2006.01) F02B 69/00 (2006.01) F02F 3/00 (2006.01) F02F 7/00 (2006.01) F16J 10/04 (2006.01) F02B 75/18 (2006.01) F02B 75/22 (2006.01)

Patent

CA 2168916

A method of flexibly manufacturing engine blocks by first bonding an extruded tube liner insert, of a given thickness (1-15mm), to a fixed configuration block, the liner insert having been coated with an anti-friction wear- resistant coating having a controlled standard thickness, and secondly bonding an extruded tube liner insert of a different thickness (again selected from 1-15mm) to another of the fixed configuration blocks, the second liner insert having been coated with the same type of anti-friction wear-resistant coating in essentially the same controlled standard thickness. The common sized engine block can have (i) identically shaped circular cylindrical bore walls or (ii) ovoid cylindrical bore walls with the liner insert having an interior surface shape selection varying between circular to ovoid. The block and liner insert may be both made of aluminum. To promote wear-resistant and lubricant qualities, the coating may contain a mixture of hard particles (such as stainless steel, nickel, chromium or vanadium) and solid lubricant particles such as oxides of iron having controlled oxygen, BN, LiF, NaF2 or a eutectic of LiF/NaF2. -23-

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