Power transmission apparatus of four wheel drive apparatus
US7111717B2 · kind B2 · utility
2Cited by
3References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2004 |
| Grant date | Sep 26, 2006 |
| Priority date | — |
| Expiry date | Jan 26, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2500/7044
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A power transmission apparatus T of a four wheel drive vehicle is provided with a multiple disc clutch C engaged in accordance with a difference between rotational speeds of a front wheel Wf and a rear wheel Wr and a gear ratio of a second gear mechanism 5 for transmitting rotation of the rear wheel Wr to an output shaft 9 of the multiple disc clutch C is set to be larger than a gear ratio of a first gear mechanism 4 for transmitting rotation of the front wheel Wf to an input shaft 8 of the multiple disc clutch C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.