Toroidal continuously variable transmission
US6743149B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2001 |
| Grant date | Jun 1, 2004 |
| Priority date | — |
| Expiry date | Jul 7, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H15/38
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A toroidal continuously variable transmission (CVT) is comprised of first and second pairs of power rollers whose gyration angles are synchronized by first, second and third wires. The first wire is wound in the shape of 8-figure to power-roller supporting members of the first pair of power rollers, and the second wire is wound in the shape of 8-figure to power-roller supporting members of the second pair of power rollers. The third wire is wound around the four power-roller supporting members and fixed to the diagonally-arranged two power-roller supporting members. A pair of guide walls are disposed between the power-roller supporting members of the first pair of power rollers and between the power-roller supporting members of the second pair of power rollers and bend the third wire extending between the first-pair power-roller supporting members and between the second-pair power-roller supporting members toward output discs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.