Study of Viscosity Index Improver for Fuel Economy ATF TonenGeneral Sekiyu K.K

Format:

Book

Conference/Event

Author/Creator:

Umamori, Nobuharu, author.

Conference Name:

SAE Powertrain & Fluid Systems Conference & Exhibition (2003-10-27 : Pittsburgh, Pennsylvania, United States)

Language:

English

Physical Description:

1 online resource cm

Place of Publication:

Warrendale, PA SAE International 2003

Summary:

One very effective way to improve fuel economy of motor vehicles is to reduce the viscosity of the automatic transmission fluid (ATF). However, viscometric constraints often exist for a particular ATF application. The proper choice of viscosity index (VI) improver allows viscosity reduction at lower temperatures, while maintaining viscosity at higher temperatures. This study shows that molecular weight of a VI improver is a key factor to achieve high thickening efficiency, improved shear stability and limited metal fatigue failure simultaneously. Based on this study, an optimum VI improver has been found and a new fuel economy ATF was developed

Notes:

Vendor supplied data

Publisher Number:

2003-01-3256

Access Restriction:

Restricted for use by site license