TOROIDAL DRIVE UNIT (VERSIONS) Russian patent published in 2017 - IPC F16H3/42 

FIELD: machine building.

SUBSTANCE: toroidal drive unit comprises a casing connected to the output carrier shaft carrying rollers disposed circumferentially and mounted in shape of arrangement in the form of a tore with the ability of a free rotation and meshing with each other on the inner contour of the tore, and with the location of the rotation axis of each roller transversely to the input shaft rotation axis, the input shaft, with a fixed carrier bearing rollers with rotation axis of every not parallel to rotation axis tore. The variator also includes circumferentially fixed around the input shaft of the support rollers, each mounted eccentrically on the rotation axles, which are connected with a axles position changing mechanism relative to rollers rotation axles on the output shaft carrier. Pretensioning mechanism configured with the ability to press the rollers on the input shaft to the rollers on the output shaft carrier, and the pressing force changing mechanism for the rollers on the bearing rollers output shaft carrier arranged on a side opposite to the input shaft rollers location.

EFFECT: increase service life of variator.

4 cl, 5 dwg