Volute assembly and induced draft fan comprising the same
US11118595B2 · kind B2 · utility
0Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2019 |
| Grant date | Sep 14, 2021 |
| Priority date | — |
| Expiry date | Jan 19, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/441
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A volute assembly including a volute and a cover plate. The volute includes a cavity. The cover plate is disposed on the volute and covers the cavity. The cover plate includes an air inlet; the volute includes an exhaust duct. The exhaust duct includes an air outlet. The exhaust duct includes a first part, a second part, and a third part sequentially connected in that order. The first part is directly connected to the volute. The air outlet is disposed on the third part. The inner diameter of the second part increases in the direction from the first part to the third part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.