Hydraulic anti-vibration supports
US5443245A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1993 |
| Grant date | Aug 22, 1995 |
| Priority date | — |
| Expiry date | Oct 28, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F13/106
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydraulic anti-vibration device includes two rigid frame members, an elastomer body, two sealed chambers, a constricted passage putting the two sealed chambers into communication with each other, a valve member that defines portions of the two chambers and that has an axis of revolution, and two grids between which the valve member is interposed. The grids limit displacements of the valve member. Interposed non-uniformities cause the amount of contact the valve member has with a grid to vary progressively and angularly around the central axis of the valve member. The non-uniformities are disposed around the central axis in a distribution that is angularly non-repetitive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.