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An Innovative Oil Control Ring Designed by Powder Metallurgy Techniques
Technical Paper
2003-01-1098
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
An innovative two-piece oil control ring design, named Monoland, has been developed aiming to have high conformability and optimized specific contact pressure. As a result, the Monoland provides superior oil scraping efficiency with reduced friction losses. These were achieved by tailoring the geometrical features and material properties.
A solution for oil control rings of minor moment of inertia and higher conformability was achieved through a new geometrical design concept where: a) only one land of the ring is in contact with the bore, b) the outer and inner faces are linked by two convergent planes and by means of a Powder Metallurgy (P/M) steel that was tailored to a lower modulus of elasticity.
The new ring design had its structural robustness checked by finite element analysis and its scraping capacity measured by lubricant oil consumption measurement in engine tests.
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Citation
Ferrarese, A. and Panelli, R., "An Innovative Oil Control Ring Designed by Powder Metallurgy Techniques," SAE Technical Paper 2003-01-1098, 2003, https://doi.org/10.4271/2003-01-1098.Also In
References
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