Parametrically controlled active vibration isolation system
US4757980A · kind A · utility
23Cited by
6References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 6, 1987 |
| Grant date | Jul 19, 1988 |
| Priority date | — |
| Expiry date | Oct 6, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60G2600/182
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A parametrically controlled active vibration isolation system comprises a damper having a servovalve fluidically coupling a load supporting actuator to an accumulator. The servovalve includes a variable orifice arrangement which regulates the flow therethrough of a hydraulic fluid in response to a command signal derived from response sensors. In this manner the damping coefficient is modulated so as to approximate a "sky-hook" damper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.