Air suspension
US4659070A · kind A · utility
24Cited by
3References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 30, 1984 |
| Grant date | Apr 21, 1987 |
| Priority date | — |
| Expiry date | Nov 30, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60G2500/20
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An air suspension comprises a first housing fixed to a piston rod of a shock absorber, a diaphragm disposed to form a main air chamber in cooperation with the first housing, of which one end is fixed to the first housing and the other end to a cylinder of the shock absorber through an air piston and a second housing provided to form an auxiliary air chamber outside the main air chamber. Communication between the main and auxiliary air chambers is afforded and shut off by a valve unit operated with a pair of coils.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.