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:
Apr. 04, 2017

Filed:

Jan. 07, 2011
Applicant:

Wouter Balk, Melun, FR;

Inventor:

Wouter Balk, Melun, FR;

Assignee:

SNECMA, Paris, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 11/48 (2006.01); F01D 1/26 (2006.01); F02C 3/10 (2006.01); F02K 3/072 (2006.01); F02C 3/067 (2006.01); F02C 7/36 (2006.01); B64D 27/02 (2006.01);
U.S. Cl.
CPC ...
F02K 3/072 (2013.01); B64C 11/48 (2013.01); F02C 3/067 (2013.01); F02C 3/10 (2013.01); F02C 7/36 (2013.01); B64D 2027/026 (2013.01); F05D 2260/40311 (2013.01); F05D 2260/96 (2013.01); Y02T 50/66 (2013.01); Y02T 50/671 (2013.01);
Abstract

A contra-rotating propeller system for an aircraft turbine engine, including a free power turbine including a first rotor and a second rotor contra-rotating relative to the first rotor, a first contra-rotating propeller and a second contra-rotating propeller to be rotated about a longitudinal axis of the propeller system relative to a stator of the system, and a mechanical transmission device. The mechanical transmission system is provided between the first propeller and the second propeller.


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