Mixer ejector flow distributor
US5230656A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 5, 1992 |
| Grant date | Jul 27, 1993 |
| Priority date | — |
| Expiry date | Aug 5, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F13/26
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An apparatus for attaining improved flow uniformity through and at the exit of an air duct by mixing and distributing the air flow. The apparatus has a wall containing a plurality of convoluted corrugations or lobes arranged in conjunction with an airfoil shaped faired body to form an ejector passage between the wall and the faired body. There is a primary flow passage on the side of the wall opposite the ejector passage. The corrugations extend into both the primary flow and ejector flow passages so that a lobe in one passage is a trough in the other passage. Air flow in the primary flow passage acts to cause a flow through the ejector passage and thus a suction in the inlet to the ejector passage. The suction acts upon streamlines around the apparatus to obtain improved downstream air flow performance. One embodiment of the flow distributor increases the spreading half angle at the exit of an air flow duct. Another embodiment improves the velocity distribution profile across the duct downstream of a bluff body in the duct.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.