Transmission for speed changing and steering of a vehicle
US6540633B1 · kind B1 · utility
36Cited by
117References
75Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2000 |
| Grant date | Apr 1, 2003 |
| Priority date | — |
| Expiry date | Nov 21, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2047/045
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A transmission for speed changing and steering of a vehicle includes a first hydrostatic pump (52) and motor (53), a first differential (24′) for speed changing, a second hydrostatic pump (71) and motor (72), and a second differential (23′) for steering. A prime mover drives the first pump (52), and the second pump (71) is driven by the output from the first motor (53). The second motor (72) drives the second differential (23′) for steering the vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.