Diffuser for fluid impelling device
US4315715A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 8, 1979 |
| Grant date | Feb 16, 1982 |
| Priority date | — |
| Expiry date | Jun 8, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S415/914
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A diffuser for a fluid impelling device such as a radial or axial turbine, comprising outer and inner casing members radially spaced apart from each other and thereby forming therebetween a diffuser chamber having annular cross-section which gradually increases in area toward the gas outlet end of the diffuser, wherein a flow throttling element is provided or the inner casing member is shaped to have a flow throttling portion so that the diffuser chamber is throttled at the gas outlet end for precluding separation of gas flow from an inner surface of the outer casing member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.