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.
Patent No.:
Date of Patent:
Sep. 17, 2019
Filed:
Mar. 20, 2015
Applicant:
Safran Helicopter Engines, Bordes, FR;
Inventors:
Assignee:
SAFRAN HELICOPTER ENGINES, Bordes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/36 (2006.01); F02C 3/10 (2006.01); F02C 3/113 (2006.01); B64D 27/10 (2006.01); F02C 3/04 (2006.01);
U.S. Cl.
CPC ...
F02C 7/36 (2013.01); B64D 27/10 (2013.01); F02C 3/04 (2013.01); F02C 3/10 (2013.01); F02C 3/113 (2013.01); F05D 2220/329 (2013.01); F05D 2260/40 (2013.01); Y02T 50/671 (2013.01);
Abstract
The invention relates to a turboshaft engine comprising a gas generator () that is capable of being rotated, and a free turbine () that is rotated by the gases of said gas generator, characterized in that it comprises a device () for controlled mechanical coupling of said gas generator () and said free turbine () that is capable of connecting said gas generator () and said free turbine () mechanically and on demand as soon as the rotational speed of said gas generator () reaches a predetermined threshold speed.