Use of dispersant viscosity index improvers in exhaust gas...

Details Use of dispersant viscosity index improvers in exhaust gas... Use of dispersant viscosity index improvers in exhaust gas...

C - Chemistry, Metallurgy

10

M

C10M 105/58 (2006.01) C10M 133/04 (2006.01) C10M 133/58 (2006.01) C10M 135/22 (2006.01) C10M 135/28 (2006.01) C10M 137/10 (2006.01) F02B 47/08 (2006.01) F02M 25/07 (2006.01)

Patent

CA 2464895

The use in a cooled exhaust gas recirculation (EGR) engine of an olefin copolymer dispersant viscosity index improver to reduce or eliminate oil thickening and sludge formation is provided. Also provided are lubricated cooled EGR engines with ability to pass rigorous oil viscosity and emission standards.

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