Propel system with active pump displacement control for balancing propel pump pressures in agricultural vehicles
US10801617B2 · kind B2 · utility
0Cited by
20References
18Claims
0Family size
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Key dates
| Filing date | Jan 5, 2018 |
| Grant date | Oct 13, 2020 |
| Priority date | — |
| Expiry date | Dec 10, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B2211/20546
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A propel system of an agricultural vehicle has an active pump displacement control system for equalizing or balancing pressure output of hydrostatic pumps of a tandem pump propel arrangement. The active pump displacement control system may include a pressure sensor(s) for determining output pressure of hydrostatic pumps and use the output pressure values within a feedback loop to provide coil input values of coils that control displacement of the hydrostatic pumps so that the pressure outputted by the hydrostatic pumps can be equalized in real-time while on the go during use of the agricultural vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.