A Study of the Significance of Lubricant Viscosity in Blow-By Control

Format:

Conference/Event

Author/Creator:

Neveu, C., author.

Conference Name:

1977 International Automotive Engineering Congress and Exposition (1977-02-28 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 1977

Summary:

An engine test procedure was developed to measure blowby rates with a modified European diesel test engine. With monograde oils, the rate correlates with viscosity. The higher the engine blowby level the less the engine sensitivity to lubricant viscosity. The differences in blowby control observed with multigraded oils appear to correlate with their viscosities at temperatures well above 210°F (98.9°C). Other factors such as temporary shear loss may play a part as indicated by qualitative observations. The same general trends were also confirmed in an unmodified multicylinder gasoline engine

Notes:

Vendor supplied data

Publisher Number:

770375

Access Restriction:

Restricted for use by site license