Liquid sealed damper for opening and closing member
US11585139B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 12, 2021 |
| Grant date | Feb 21, 2023 |
| Priority date | — |
| Expiry date | Nov 12, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/548
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A liquid sealed damper includes: an attachment portion attached to a peripheral portion of an opening of a vehicle or an opening and closing member for covering the opening; a contact portion to which an external force is input; an insulator configured to isolate vibration and connect the attachment portion and the contact portion; a main liquid chamber in which working liquid is sealed, the insulator serving as a wall portion of the main liquid chamber; an auxiliary liquid chamber divided from the main liquid chamber by a partition member and having a wall portion formed of a diaphragm; and an orifice passage formed in the partition member and communicating with the main liquid chamber and the auxiliary liquid chamber. The partition member has an inner gap in the shape of a recess, and a part of the diaphragm is inserted into the inner gap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.