Hydro-pneumatic suspension system
US7240906B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 4, 2003 |
| Grant date | Jul 10, 2007 |
| Priority date | — |
| Expiry date | Oct 8, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60G2500/2064
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A hydro-pneumatic suspension system for a vehicle includes hydraulic struts selectively interconnected, in on-road and off-road configurations, to obviate the need for conventional shocks and springs. In the on-road configuration, the hydraulic struts are linked cross-vehicle with multiple accumulators in the circuit for increased on-road roll stiffness. In the off-road configuration, the hydraulic struts are self-linked, with fewer accumulators, to maximize flexibility and articulation of the system. The system also includes a hydraulic supply to selectively raise and lower the vehicle for the off-road and on-road configurations, respectively. In a further configuration, the roll stiffness and articulation of the suspension system is configured solely by the selective connection of accumulators to the hydraulic suspension circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.