Hydraulic antivibration sleeve
US6561501B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 24, 2001 |
| Grant date | May 13, 2003 |
| Priority date | — |
| Expiry date | Jul 24, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F13/18
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydraulic antivibration sleeve comprising two constrictive strength members interconnected by an elastomer body which defines first and second diametrically opposite working chambers and a side compensation chamber. The two working chambers communicate with each other via a constricted passage, while the compensation chamber communicates with the first working chamber only via another constricted passage. The elastomer wall which defines the second working chamber is free and is not in contact with the inner strength member except in a certain range of values for the radial static load supported by the sleeve: this provides two different modes of operation depending on the value of said static load.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.