Self leveling vehicle suspension damper
US6382371B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2001 |
| Grant date | May 7, 2002 |
| Priority date | — |
| Expiry date | Jan 26, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60G17/044
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A suspension damper assembly capable of adjusting the height of an automobile includes a cylinder tube defining a pumping chamber aligned concentrically within a reservoir tube. A fluid reservoir is defined between the reservoir tube and the cylinder tube. A piston is slideably disposed within the cylinder tube. A gas cup is slideably disposed within the assembly and separates a fluid chamber within the cylinder tube from a gas chamber. The gas cup includes a cup conduit connecting the pumping chamber to the reservoir chamber whereby stroking the gas cup pumps fluid into the pumping chamber increasing the outward force of the piston for raising the height of the vehicle. A piston shaft guide includes a shaft valve allowing fluid to pass from the pumping chamber to the reservoir chamber for reducing the outward force of the piston and lowering the height of the vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.