Patent · US Active

Inlet shroud assembly

US9556885B2 · kind B2 · utility

4Cited by
33References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 23, 2012
Grant dateJan 31, 2017
Priority date
Expiry dateSep 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.