Inlet shroud assembly
US9556885B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2012 |
| Grant date | Jan 31, 2017 |
| Priority date | — |
| Expiry date | Sep 25, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/5806
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An inlet shroud assembly includes a hub and a shroud for a ram air fan. The hub includes a center bore, a first frustoconical section, a plurality of slotted cooling holes located on the first frustoconical section, a second frustoconical section, a plurality of circular cooling holes located on the second frustoconical section, a rim, a central cavity, and an annular cavity. The shroud includes a central disk with a center bore, a circular flange located on a radially outer edge of the central disk, and an outer disk with a web portion and a tip portion, the tip portion having a curved lip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.