Toroidal continuously variable transmission

Details Toroidal continuously variable transmission Toroidal continuously variable transmission

2005-08-02

2005-08-02

Fenstermacher, David M. (Department: 3682)

Friction gear transmission systems or components

Friction gear includes idler engaging facing concave surfaces

Toroidal

C476S045000, C476S041000

Reexamination Certificate

active

06923743

ABSTRACT:
In a toroidal CVT includes a power roller interposed between input and output disks under a preload, a trunnion supports the power roller to permit a tilting motion of the power roller about a trunnion axis perpendicular to a power-roller rotation axis and to permit a parallel translation of the power roller relative to the trunnion in the direction of the common rotation axis of the input and output disks. The power roller includes an inner race in contact with the input and output disks, an outer race supported by the trunnion, and a power-roller bearing permitting relative rotation of the inner race to the outer race. The outer race has a low rigidity structure that promotes a deformation of the outer race so that the outer-race deformation follows the inner-race deformation, which may occur due to the preload during operation of the toroidal CVT.

REFERENCES:
patent: 6832971 (2004-12-01), Yamamoto
patent: 2003/0104898 (2003-06-01), Mori
patent: 2003/0203789 (2003-10-01), Yamamoto
patent: 2004/0029675 (2004-02-01), Shibukawa
patent: 2004/0209729 (2004-10-01), Yamamoto
patent: 58-112762 (1983-08-01), None

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