Multi-stage blower
US7435051B2 · kind B2 · utility
11Cited by
1References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2005 |
| Grant date | Oct 14, 2008 |
| Priority date | — |
| Expiry date | Sep 14, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/0002
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A blower is formed with multiple sets of rotatable rings of blades coupled to each other. Multiple inlet rings are correspondingly coupled to the multiple sets of rotatable rings of blades. In one embodiment, the blades may be forward facing blades and include a volute to accomplish pressure recovery. In further embodiments, the blades are backward facing. Such backward facing blades are designed to provide a static pressure rise. In some embodiment, three or more rings of blades with corresponding inlet rings are utilized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.