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:
Aug. 28, 2018

Filed:

Jun. 12, 2013
Applicants:

Safran Power Units, Bordes, FR;

Safran Helicopter Engines, Toulouse, FR;

Inventors:

Pascal Dauriac, Rontignon, FR;

Olivier Bedrine, Bosdarros, FR;

Patrick Marconi, Gelos, FR;

Jean-Francois Rideau, Tournefeuille, FR;

Assignees:

SAFRAN HELICOPTER ENGINES, Bordes, FR;

SAFRAN POWER UNITS, Toulouse, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64D 35/08 (2006.01); B64D 41/00 (2006.01); F02C 6/02 (2006.01); F02C 7/277 (2006.01);
U.S. Cl.
CPC ...
B64D 35/08 (2013.01); B64D 41/00 (2013.01); F02C 6/02 (2013.01); F02C 7/277 (2013.01); B64D 2041/002 (2013.01); F05D 2220/329 (2013.01); Y02T 50/53 (2013.01);
Abstract

A method and architecture to optimize an entire traction system available on a helicopter by using an auxiliary engine to provide energy to equipment and accessories of the helicopter connected to the engines. Main engines and an APU unit, as an auxiliary engine, include a gas generator connected to, for the main engines, a reduction gearbox and an accessory gearbox for mechanical, electrical, and/or hydraulic power take-off and connected to, for the APU unit, at least one power conversion member. The power conversion member of the APU unit is connected to the equipment and accessories by the reduction gearbox and/or the accessory gearbox of the main engines.


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