Hydraulic system for a vehicle
US12172879B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 12, 2023 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | Sep 12, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B2211/781
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A vehicle includes a hydraulic actuator configured to move an implement relative to the chassis, a hydraulic motor configured to propel the vehicle, a drive pump fluidly coupled to the hydraulic motor, a charge pump configured to provide a flow of pressurized fluid, and a valve assembly fluidly coupled to the charge pump. The valve assembly is configured to (a) direct a first portion of the flow of pressurized fluid to the drive pump, the first portion of the flow having a first flow rate and (b) direct a second portion of the flow of pressurized fluid to the hydraulic actuator, the second portion of the flow having a second flow rate. The valve assembly includes a valve element that is configured to vary at least one of the first flow rate or the second flow rate based on a pressure at a position upstream of the valve element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.