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Keywords: oil consumption
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Proceedings Papers

A Study on the Distribution of Oil Film Thickness in the Circumferential Direction of Oil Ring in a Gasoline Engine

Akemi Ito, Tadatsugu Hakkaku, Kazuya Mochiduki, Keita Tomotsune, Masatsugu Inui, Hirotaka Akamatsu
Proc. ASME. ICEF2019, ASME 2019 Internal Combustion Engine Division Fall Technical Conference, V001T07A006, October 20–23, 2019
Paper No: ICEF2019-7174
DOI: https://doi.org/10.1115/ICEF2019-7174
...Abstract Abstract Oil traveling upward through the sliding surface of a piston ring causes oil consumption of an engine. Piston rings are designed considering conformability to deformed cylinder bore. However, cylinder deformation sometimes affects strongly oil consumption. It suggests...
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Topics: Engines, Film thickness, Gasoline engines, Piston rings, Cylinders, Deformation, Design, Fluorescence, Lasers, Optical fiber
Proceedings Papers

A Study on a Rotational Force Acting on the Piston Ring of a Gasoline Engine

Kenta Tomizawa, Akemi Ito
Proc. ASME. ICEF2019, ASME 2019 Internal Combustion Engine Division Fall Technical Conference, V001T07A007, October 20–23, 2019
Paper No: ICEF2019-7176
DOI: https://doi.org/10.1115/ICEF2019-7176
...A STUDY ON A ROTATIONAL FORCE ACTING ON THE PISTON RING OF A GASOLINE ENGINE Kenta Tomizawa1 Tokyo City University Tokyo , Japan Akemi Ito2 Tokyo City University Tokyo , Japan ABSTRACT Oil consumption of an engine causes particulate matter, poisoning catalysts and sometimes abnormal combustion like...
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Topics: Engines, Gasoline engines, Piston rings, Cantilevers, Pistons, Rotation, Sulfur, Waves, Bending (Stress), Catalysts