Open air layer-type vibration reduction structure
US8833514B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2011 |
| Grant date | Sep 16, 2014 |
| Priority date | — |
| Expiry date | Jul 12, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F2290/041
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The open air layer-type vibration reduction structure is provided with at least one plate-like member of which the obverse surface faces toward the open space side; and a frame spaced at an interval from the reverse surface of the plate-like member, and an air layer is formed between the plate-like member and the frame. An air-permeable ventilation portion is formed at least one of the plate-like member and the frame, such that the average value of the flow resistance on the surface of at least one of the plate-like member and the frame, which forms an air layer, is in a range greater than 0 N·s/m3 and equal to or less than 1,000 N·s/m3. The ventilation portion may be configured such that the sound pressure level generated within the air layer by applying an external force to the air layer is reduced by 3 dB or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.