Toroidal-type continuously variable transmission

Details Toroidal-type continuously variable transmission Toroidal-type continuously variable transmission

2006-04-25

2006-04-25

Fenstermacher, David M. (Department: 3682)

Friction gear transmission systems or components

With lubrication

C476S009000, C476S010000, C476S040000, C476S042000, C384S614000

Reexamination Certificate

active

07033302

ABSTRACT:
In the inner and outer surfaces of the retainer34b,there are formed recessed grooves40a,40awhich serve as lubricating oil flow passages for allowing lubricating oil to flow into pockets. Where the axial-direction depth of the recessed groove40a,40ais expressed as H and the circumferential-direction width thereof is expressed as 2L, 0.20≦H/L≦0.97 can be satisfied. Accordingly, it is possible to provide a toroidal-type continuously variable transmission which can prevent the damage of a retainer34bincorporated into a thrust rolling bearing for supporting a power roller and also can enhance the lubricating efficiency of the present thrust rolling bearing.

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