Invention Grant
- Patent Title: Variable geometry helicopter engine inlet
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Application No.: US14074265Application Date: 2013-11-07
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Publication No.: US09656760B2Publication Date: 2017-05-23
- Inventor: Donald William Lamb, Jr.
- Applicant: Sikorsky Aircraft Corporation
- Applicant Address: US CT Stratford
- Assignee: SIKORSKY AIRCRAFT CORPORATION
- Current Assignee: SIKORSKY AIRCRAFT CORPORATION
- Current Assignee Address: US CT Stratford
- Agency: Cantor Colburn LLP
- Main IPC: B64D33/02
- IPC: B64D33/02 ; F02C7/042

Abstract:
A variable area engine inlet of a helicopter is provided and includes first inlet portions disposed to face one another in opposite directions and at a distance from one another and second inlet portions extending between the first inlet portions and being disposed to face one another in opposite directions and at a distance from one another. The first and second inlet portions define a capture area and at least one or both of the first and second inlet portions include a movable portion disposed to occupy and move between first and second positions. The first position is associated with a non-constricted condition of the capture area and the second position is associated with a constricted condition of the capture area.
Public/Granted literature
- US20150122954A1 VARIABLE GEOMETRY HELICOPTER ENGINE INLET Public/Granted day:2015-05-07
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