Patent · US Active

Helicopter with engine air intakes

US9499276B2 · kind B2 · utility

3Cited by
3References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 25, 2014
Grant dateNov 22, 2016
Priority date
Expiry dateSep 25, 2034

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB64D2033/0253
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A helicopter with a fuselage, at least two engines substantially inside said fuselage, an air intake for each of said two engines and at least two separate lateral air inlet ports for said at least two engines in said fuselage. Said separate lateral air inlet ports being arranged on sides opposed to each other relative to an essentially vertical midplane of said fuselage and oriented with their respective cross section substantially parallel to a forward flight direction of the helicopter. At least one frontal air inlet port with a forward portion is provided separate from said lateral air inlet ports, said frontal air inlet port being located on a gear cowling of the fuselage oriented with its cross section substantially perpendicular to the forward flight direction of the helicopter.

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