US 11,719,107 B2
Turbine engine comprising a rotor with variable-pitch blades
Sébastien Emile Philippe Tajan, Moissy-Cramayel (FR); Régis Eugène Henri Servant, Moissy-Cramayel (FR); Gilles Alain Marie Charier, Moissy-Cramayel (FR); and Emmanuel Pierre Dimitri Patsouris, Moissy-Cramayel (FR)
Assigned to SAFRAN AIRCRAFT ENGINES, Paris (FR)
Appl. No. 17/283,365
Filed by SAFRAN AIRCRAFT ENGINES, Paris (FR)
PCT Filed Oct. 7, 2019, PCT No. PCT/FR2019/052371
§ 371(c)(1), (2) Date Apr. 7, 2021,
PCT Pub. No. WO2020/074817, PCT Pub. Date Apr. 16, 2020.
Claims priority of application No. 1859479 (FR), filed on Oct. 12, 2018.
Prior Publication US 2021/0381388 A1, Dec. 9, 2021
Int. Cl. F01D 25/16 (2006.01); F01D 7/00 (2006.01); B64C 11/38 (2006.01); B64C 11/44 (2006.01); F02K 3/06 (2006.01); F04D 29/36 (2006.01)
CPC F01D 7/00 (2013.01) [B64C 11/38 (2013.01); B64C 11/44 (2013.01); F01D 25/16 (2013.01); F02K 3/06 (2013.01); F04D 29/36 (2013.01); F05D 2220/32 (2013.01); F05D 2240/30 (2013.01); F05D 2240/54 (2013.01); F05D 2250/231 (2013.01); F05D 2260/40311 (2013.01); F05D 2270/52 (2013.01); F05D 2270/56 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A turbine engine with a longitudinal axis (X), comprising:
a rotor supporting at least one variable pitch blade and an inlet cone, the rotor being guided in rotation relative to a fixed structure of the turbine engine via a first bearing and a second bearing;
a controlling system for controlling the pitch of the at least one blade, the controlling system being secured to the rotor and having at least one first actuator set in motion by an energy, the controlling system being arranged axially upstream of the first and second bearings; and
a transferring device for transferring the energy disposed axially between the first bearing and the second bearing, the transferring device having a fixed member secured to the fixed structure and a moving member secured to the rotor,
wherein the rotor is annular and defines a downstream portion of an inner space, wherein the inlet cone defines an upstream portion of the inner space that fluidly connected with the downstream portion of the inner space, and wherein the controlling system is positioned inside of the inner space.