Vibration-damping device
US12129904B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2020 |
| Grant date | Oct 29, 2024 |
| Priority date | — |
| Expiry date | Oct 18, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F2230/36
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A partition member includes an orifice passage through which the main liquid chamber and the auxiliary liquid chamber communicate with each other, a plurality of first communication holes through which the main liquid chamber and the accommodation chamber communicate with each other, and a second communication hole through which the auxiliary liquid chamber and the accommodation chamber communicate with each other, in the partition member, a tubular member which protrudes in an axial direction toward an elastic body is disposed on a first wall surface in which the first communication hole opens and which forms a part of an inner surface of the main liquid chamber, the plurality of first communication holes open in both an inner portion located on an inner side than the tubular member and an outer portion located on an outer side than the tubular member of the first wall surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.