The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 23, 2021

Filed:

Sep. 29, 2015
Applicant:

Sikorsky Aircraft Corporation, Stratford, CT (US);

Inventors:

Blake Almy Moffitt, South Windsor, CT (US);

Brian E. Wake, South Glastonbury, CT (US);

Peter F. Lorber, Southbury, CT (US);

Assignee:

Sikorsky Aircraft Corporation, Stratford, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 27/82 (2006.01); B64C 21/00 (2006.01); B64C 27/10 (2006.01); B64C 27/04 (2006.01); B64C 11/00 (2006.01); B64C 27/32 (2006.01);
U.S. Cl.
CPC ...
B64C 27/82 (2013.01); B64C 11/00 (2013.01); B64C 21/00 (2013.01); B64C 27/04 (2013.01); B64C 27/10 (2013.01); B64C 27/32 (2013.01); B64C 2027/8236 (2013.01); B64C 2230/04 (2013.01); B64C 2230/28 (2013.01); Y02T 50/10 (2013.01); Y02T 50/60 (2013.01);
Abstract

A rotorcraft is provided and includes a fuselage. The fuselage includes drag generating portions, a main rotor assembly and an auxiliary propulsor having an expected propulsion efficiency. The auxiliary propulsor is disposed to ingest boundary layer flows and in wake regions associated with the drag generating portions and is provided with a corresponding increase in the expected propulsion efficiency thereof.


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