Continuously variable transmission and engine
US7285068B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 25, 2005 |
| Grant date | Oct 23, 2007 |
| Priority date | — |
| Expiry date | Apr 25, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H15/503
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A continuously variable transmission features an inner ring and an outer ring. Each of the inner ring and the outer ring is split into a first portion and a second portion. At least two balls are positioned between the inner ring and the outer ring. The at least two balls also are positioned between the first and second portions of the inner and outer ring. The at least two balls rotate with rotation of the input shaft. As the distance between the first and second portions of the outer ring changes, the at least two balls move to a smaller radius of travel or a larger radius of travel. The rotation of the balls is transmitted to an output shaft. The input shaft and the output shaft are directly connectable through a one-way clutch to allow engine braking and/or push starting of the associated engine. A dedicated lubrication system also can be provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.