Binary gearbox
US8726763B2 · kind B2 · utility
0Cited by
11References
22Claims
0Family size
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Key dates
| Filing date | Jun 7, 2006 |
| Grant date | May 20, 2014 |
| Priority date | — |
| Expiry date | Oct 21, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19079
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A gearbox comprises a plurality of gear pairs each having a specific gear ratio, and a plurality of selectors each mounted between two gear pairs for selecting one of the two gear pairs, wherein the gear ratio of the selected gear pair is cascaded through an output shaft to another two gear pairs having another selector, and so on. In this way, the effective or aggregate gear ratio of the gearbox is the product of the gear ratios of the selected gear pairs. Thus, the number of available output speeds excluding neutral is given by 2n, where n=(number of gear pairs)/2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.