Flexible impeller for a vacuum cleaner
US5584656A · kind A · utility
49Cited by
22References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 28, 1995 |
| Grant date | Dec 17, 1996 |
| Priority date | — |
| Expiry date | Jun 28, 2015 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/601
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fan for a vacuum cleaner has a fan housing, motor and impeller. The fan housing has an inlet and outlet. The impeller has a hub and multiple flexible blades. This flexible blade fan provides better air performance, less noise, better durability, and easier impeller installation than conventional vacuum cleaner fans.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.