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:
Jul. 11, 2017
Filed:
Jan. 04, 2012
Applicants:
Nicolas Potel, Maisons Alfort, FR;
Sebastien Gameiro, Paris, FR;
Inventors:
Nicolas Potel, Maisons Alfort, FR;
Sebastien Gameiro, Paris, FR;
Assignee:
SNECMA, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 7/22 (2006.01); F02C 9/26 (2006.01); F02C 9/28 (2006.01); F02C 7/224 (2006.01); F02C 7/236 (2006.01);
U.S. Cl.
CPC ...
F02C 7/22 (2013.01); F02C 7/224 (2013.01); F02C 9/26 (2013.01); F02C 7/222 (2013.01); F02C 7/236 (2013.01); F02C 9/263 (2013.01); F02C 9/28 (2013.01); F05D 2260/406 (2013.01); F05D 2270/303 (2013.01);
Abstract
A fuel circuit for an aviation turbine engine, the fuel circuit including: a main fuel line for feeding fuel to a combustion chamber of the engine and including a positive displacement pump; an auxiliary fuel line connected to the main fuel line at a junction situated downstream from the pump and serving to feed fuel to hydraulic actuators to control variable-geometry equipment of the engine, the auxiliary fuel line including electrohydraulic servo-valves upstream from each actuator; and a fuel pressure regulator valve arranged on the main fuel line downstream from the pump.