Patent · US Active

Air bearing shaft for ram air fan

US8672768B2 · kind B2 · utility

5Cited by
12References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 11, 2012
Grant dateMar 18, 2014
Priority date
Expiry dateApr 11, 2032

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16D2300/0212
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

An air bearing for a ram air fan includes a shaft having a first end portion that defines a cap end, a second end portion that defines a thrust shaft receiving end, and an intermediate portion extending between the first and second end portions. The cap end includes a cap pilot bore and the thrust shaft receiving end includes a thrust shaft pilot section. The thrust shaft pilot section has an outer diameter of between about 1.6032-inches (about 40.7212 mm) and about 1.6002-inches (about 40.6450 mm).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.