Dual impeller
US11536287B2 · kind B2 · utility
0Cited by
9References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2017 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Sep 10, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D17/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A dual impeller includes: a hub configured to rotate about a rotation axis; a plurality of first blades which are disposed on a first surface of the hub along a circumferential direction of the hub; a first shroud which is mounted on the plurality of first blades to cover the plurality of first blades; and a plurality of second blades which are disposed on a first surface of the first shroud along a circumferential direction of the first shroud.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.