Impeller of centrifugal blower
US4647271A · kind A · utility
57Cited by
8References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1985 |
| Grant date | Mar 3, 1987 |
| Priority date | — |
| Expiry date | Jun 7, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/281
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An impeller of a centrifugal blower includes a hub, a hub plate, a plurality of blades and a shroud. The hub plate has an outer diameter which is smaller than an inner diameter of the shroud and a portion of the blades existing in the difference between the diameters is provided with a parting plane of molds, whereby the impeller can be integrally molded by the injection molding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.