Patent · US Expired

Hybrid inlet

US6990798B2 · kind B2 · utility

14Cited by
9References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 14, 2004
Grant dateJan 31, 2006
Priority date
Expiry dateApr 14, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/0536
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A turboprop powerplant with at least a compressor having a forward compressor inlet and a shaft extending axially through the compressor and having a shaft axis, an inlet duct encircling the shaft passing therethrough, the inlet duct having an aft end in gas communication with the compressor inlet and a forward end having at least two branches each with an inlet orifice, each inlet orifice having a centroid in a radial plane through and transverse to the shaft axis, the centroids and shaft axis defining an angle less than 180°.

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