: DIFFERENTIAL PINION HAVING A GROOVED BORE
Application 261/KOL/2004 published 2006-06-23, filed 2004-05-19
A pinion for a center differential or speed reduction assembly of a motor vehicle transfer case includes external gear teeth and an axial passageway defined by alternating grooves and lands. The grooves and lands may be either axial or helical. The grooves provide improved lubrication and debris removal among other features. The pinion is preferably a powdered metal part. (FIG. 1)
Applicant
BORGWARNER INC.,
3800 AUTOMATION AVE., SUITE 100, AUBURN HILLS, MI 48236, U.S.A.
Inventor
1.CHRISTOPHER J. SUYDAM, 2.GREGORY S. LECOMPTE
International Info
Classification: F16H 48/06