Belt type continuously variable transmission

Details Belt type continuously variable transmission Belt type continuously variable transmission

2007-01-16

2007-01-16

Johnson, Vicky A. (Department: 3682)

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

C474S201000

Reexamination Certificate

active

10757554

ABSTRACT:
In a belt type continuously variable transmission having a variable width drive pulley, a variable width driven pulley, and a metal V belt, which is disposed around the drive and driven pulleys, the contour of the surfaces (V faces) in contact with the metal V belt in the cross-sectional view through the axes of the drive and driven pulleys is an arc that has a first radius of curvature rp and is convex to the metal V belt. The contour of the surfaces (V faces) in contact with these two pulleys in the cross-sectional view perpendicular to the longitudinal direction of the metal V belt is an arc that has a second radius of curvature re and is convex to the drive and driven pulleys.

REFERENCES:
patent: 4631042 (1986-12-01), Rattunde
patent: 6652403 (2003-11-01), Drees et al.
patent: 2002-31215 (2002-01-01), None

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