Friction in the piston assembly is responsible for about 45% of the total mechanical loss in a gasoline engine. By the means of an enhanced testing rig working with the floating liner principle, various approaches to minimize the piston assembly friction are discussed in this paper. On the one hand, the influence of specific component characteristics like piston clearance or form honing and on the other hand, influence of crank train kinematics are analysed in detail to minimize the friction of the piston assembly.
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Friction in the piston assembly is responsible for about 45% of the total mechanical loss in a gasoline engine. By the means of an enhanced testing rig working with the floating liner principle, various approaches to minimize the piston assembly friction are discussed in this paper. On the one hand, the influence of specific component characteristics like piston clearance or form honing and on the other hand, influence of crank train kinematics are analysed in detail to minimize the friction of...
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