Piston and cylinder assemblies

Details Piston and cylinder assemblies Piston and cylinder assemblies

1979-05-31

1981-11-03

Dean, R.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

75140, 75142, 92169, 123193C, F02F 100

Patent

active

042979765

ABSTRACT:
In a piston and cylinder assembly in which the piston is made of an aluminium alloy, the wall of the cylinder contacted by the piston is formed of a hyper-eutectic silicon aluminium alloy having the composition by weight percentages of silicon (Si) 12-20%; copper (Cu) 0.5-5%; iron (Fe) 1.0-6%; magnesium (Mg) 0.2-2%; nickel (Ni) 0.5-4%; and optionally manganese (Mn) 0-5%; cobalt (Co) 0-3%; chromium (Cr) 0-3%; tin (Sn) 0-8%; titanium (Ti) 0-0.3%; lead (Pb) 0-5%; and molybdenum (Mo) 0-5%, the remainder being aluminium.

REFERENCES:
patent: 2357450 (1944-09-01), Bonsack
patent: 2357451 (1944-09-01), Bonsack

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