Double inlet backward curved blower
US11041502B2 · kind B2 · utility
0Cited by
15References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2019 |
| Grant date | Jun 22, 2021 |
| Priority date | — |
| Expiry date | Jun 16, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/43
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of assembling a fan wheel includes forming a first wheel portion including a first plurality of impeller blades and a first connector, forming a second wheel portion including a second plurality of impeller blades and a second connector, affixing an end of each of the first plurality of impeller blades to a first surface of a support ring such that the first connector is affixed to the second connector, and affixing an end of each of the second plurality of impeller blades to a second surface of a support ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.