Scroll structure of centrifugal compressor
US9541094B2 · kind B2 · utility
10Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2011 |
| Grant date | Jan 10, 2017 |
| Priority date | — |
| Expiry date | Nov 3, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2250/70
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A scroll structure of a centrifugal compressor 1 having a spirally formed scroll passage 13. The scroll passage 13 includes: a flat connecting portion A at a flow passage joint 23 where a scroll start and a scroll end of the scroll passage 13 meet, this flat connecting portion having a flat cross-sectional shape with a same height as that of an outlet passage of a diffuser; and a transition part 21 where the flat cross-sectional shape of the flat connecting portion A gradually changes back to a circular cross-sectional shape along a circumferential direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.