Pulsating vibration air generation means
US6607008B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 22, 2001 |
| Grant date | Aug 19, 2003 |
| Priority date | — |
| Expiry date | Aug 22, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86405
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Pulsating vibration air generation apparatus comprising a cylindrical casing having an air supply port connected with an air source and a wave transmission port provided at the circumferential surface thereof, and a drum type rotary valve constructed rotatably in the casing, wherein the air supply port is located where a circumferential surface of the rotary valve is positioned when the rotary valve is contained in the casing, the wave transmission port is located apart from where the circumferential surface of the rotary valve is positioned when the rotary valve is contained in the casing, the drum type rotary valve is comprised of a rotary support shaft at a center axis, one end of the rotary valve is opened, another end of the rotary valve is closed, at least one ventilation window is provided at the circumferential surface of the rotary valve, the rotary valve is contained in the casing in such a manner that the open end of the rotary valve faces to the wave transmission port of the casing, and the at least one ventilation window provided at the circumferential surface of the rotary valve is designed to intermittently meet the air supply port according to rotation of the valve …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.