Simplified multi-range hydromechanical transmission for vehicles
US5931758A · kind A · utility
17Cited by
9References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 8, 1998 |
| Grant date | Aug 3, 1999 |
| Priority date | — |
| Expiry date | Apr 8, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2023
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydromechanical transmission receives split power inputs from a vehicle engine, one split input driving a hydrostatic power unit and the other split input driving a mechanical power input. The infinitely variable hydrostatic power output is combined in the mechanical power unit with multiple ratios of its split input power to achieve infinitely variable ratios of hydromechanical output power for smoothly propelling a vehicle from rest through multiple transmission ranges to maximum speed, with synchronous shifting between ranges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.