Multi-mode hydromechanical transmission shift system
US4246806A · kind A · utility
13Cited by
17References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 1978 |
| Grant date | Jan 27, 1981 |
| Priority date | — |
| Expiry date | Jan 16, 1998 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2059/366
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A multi-mode hydromechanical transmission shift system having a hydrostatic unit with at least one variable and reversible displacement component with a displacement control, a plurality of clutches independently operable for setting the mode of operation of the transmission and a control circuit including a plurality of valves for setting the mode of operation and responsive to the position of the displacement control for causing a shift in operation from one clutch to the other to change the mode of operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.