Variable rate shock absorber
US4832162A · kind A · utility
10Cited by
3References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 16, 1988 |
| Grant date | May 23, 1989 |
| Priority date | — |
| Expiry date | Jun 16, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60G2600/26
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A variable rate shock absorber having the interior of a working cylinder divided by a piston into an upper and lower working chamber. The lower working chamber is connected to a reservoir by a bi-directional valve member. A solenoid valve housed in a hollow piston rod has an actuated state connecting the upper working chamber to the reservoir. The output of the solenoid valve is connected to the reservoir by an axially disposed telescoping cylinder passing through the piston and the bi-directional valve member. Other embodiments are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.