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:
May. 21, 2019
Filed:
Mar. 26, 2015
Applicant:
Safran Helicopter Engines, Bordes, FR;
Inventors:
Assignee:
Safran Helicopter Engines, Bordes, FR;
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/36 (2006.01); F02C 7/275 (2006.01); F02C 3/10 (2006.01); F02C 9/42 (2006.01);
U.S. Cl.
CPC ...
F02C 7/275 (2013.01); F02C 3/10 (2013.01); F02C 7/36 (2013.01); F02C 9/42 (2013.01); F05D 2220/329 (2013.01); Y02T 50/671 (2013.01);
Abstract
An assistance device for an aircraft free-turbine turbine engine, the device including first electrical power supply for powering a winding of a starter rotary machine, referred to as a 'first' winding, in order to provide first assistance in accelerating the gas generator of the engine. The device further includes a monitor for monitoring the first assistance, and a second power supply for electrically powering a second winding of the rotary machine to provide second assistance in accelerating the gas generator if the monitor observes that the first assistance is insufficient.