Pulley set for a continuously variable transmission unit
US6689000B1 · kind B1 · utility
8Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2001 |
| Grant date | Feb 10, 2004 |
| Priority date | — |
| Expiry date | Sep 17, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H63/062
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pulley set for a continuously variable transmission unit, comprises a pair of discs accommodated on a shaft, and a screw mechanism which is concentric with respect to said discs and for moving the discs towards and from each other, said discs enclosing a V-shaped groove, for accommodating a belt, said screw mechanism being controllable by a control means. The control means including a motor unit, said motor unit comprising a stator and a rotor, one of said stator and rotor engaging the nut of the screw mechanism, and the other of said stator and rotor engaging the screw of the screw mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.