Safran Aircraft Engines

Safran

Safran Electrical & Power

Loïc Paul Yves Guillotel

Vincent François Georges Millier

Gilles Alain Marie Charier

Caroline Marie Frantz

Tewfik Boudebiza

Amélie Argie Antoinette Chassagne

Philippe Delbosc

Clement Marcel Maurice Dejeu

Thierry Sibilli

Clément Marcel Maurice Dejeu

Disclosed is an aircraft turbine engine (), comprising a gas generator () and a fan () arranged upstream from the gas generator () and configured to generate a gas inlet stream (F), part of which flows into a duct of the gas generator to form a primary stream (), the turbine engine () comprising an electrical machine that is mounted coaxially downstream from the fan () and that comprises a rotor () surrounded by a stator () carried by an annular shroud (), this shroud () being surrounded by a casing () of the gas generator that defines, with this shroud (), a section of the flow duct for the primary stream (), stationary vanes () for straightening this primary stream () extending into this path.

Aircraft turbine engine equipped with an electrical machine

A hybrid turbofan engine for an aircraft, comprising a fan, an electric motor/generator and a gas generator, the engine comprising, between the fan and a splitter that separates the flows, an internal wall for delimiting an air duct, situated upstream of inlet guide vanes of a primary duct, and, upstream of outlet guide vanes, an internal upstream wall for delimiting a secondary duct, the motor/generator having a stator carried by a stator support fixed to a stator part of the engine. According to the invention, a plurality of heat pipe for cooling the motor/generator are provided, each heat pipe having an evaporation section fixed to the stator support, and a condensation section fixed to the internal wall or the internal upstream wall.

Hybrid turbofan engine for an aircraft, comprising a motor/generator cooled by heat pipes

An electric module for an aircraft turbomachine includes an electric machine stator having an annular shape around an axis (A) and being configured to surround a rotor of the electric machine, and an annular support element of the stator. The support element includes an outer annular surface configured to be swept over by a gas stream (F) from the turbomachine with a view to conductively cooling the stator.

Electric module for an aircraft turbomachine

An aircraft turbine engine including a gas generator, a fan, and an electrical machine, the stator of the electrical machine being connected to a power electronic circuit by at least one electrically conductive bar which extends substantially radially relative to the axis inside an IGV which forms part of a bladed angular segment, the bar being configured to be disassembled and removed from the turbine engine by disassembling and removing the segment.

Electrical connection of an electrical machine in an aircraft turbine engine

An aircraft turbine engine includes a gas generator and a fan arranged upstream from the gas generator and configured to generate a main gas flow, one portion of which flows in a flow path of the gas generator to form a primary flow, and another portion of which flows in a flow path around the gas generator to form a secondary flow. The gas generator has a low-pressure body with a rotor driving the fan and a low-pressure compressor situated upstream from an intermediate housing. The turbine engine also includes an electric machine, mounted coaxially downstream from the fan and upstream from the intermediate housing. An intermediate shaft is driven by the rotor of the low-pressure body and drives rotors of the electric machine and of the low-pressure compressor.

An aircraft turbine engine includes a gas generator having a longitudinal axis (A), a fan located at an upstream end of the gas generator and configured to turn about said axis, and an electric machine of generally annular shape. The electric machine is coaxially mounted downstream of the fan and has a rotor coupled to rotate with the fan. The electric machine further includes a stator connected to an electronic power circuit by at least one rigid electrically-conductive bar.

Electrical connection for an electric machine in an aircraft turbomachine

Disclosed is an electrically conductive rigid bar () for electrically connecting an electric machine () of an aircraft turbine engine, characterised in that it comprises: —an elongate body () made from electrically conductive material having a polygonal cross-section greater than or equal to 50 mm, and— an electrical insulation sheath () that surrounds the body, at least one of the longitudinal ends () of the body not being covered by the sheath and comprising a through-hole () in which a bolt () for fastening and electrically connecting this end is mounted.

Rigid bar for electrically connecting a machine in an aircraft turbine engine

An aircraft turbine engine includes a gas generator having a longitudinal axis (A), a fan which is located at an upstream end of the gas generator and which is configured to rotate about the axis, and an electric machine which has a generally annular shape. The electric machine is mounted coaxially downstream of the fan and has a rotor which is coupled in terms of rotation to the fan, and a stator which is connected to an electronic power circuit by at least one rigid electroconductive bar.

Electric connection of an electric machine in an aircraft turbomachine

An aircraft turbine engine includes a gas generator and a fan arranged upstream from the gas generator and configured to generate a main gas flow, one portion of which flows in a flow path of the gas generator to form a primary flow, and another portion of which flows in a flow path around the gas generator to form a secondary flow. The gas generator includes a low-pressure compressor that includes a rotor driving the fan. The turbine engine further includes an electric machine. The electric machine includes a rotor rotated by the rotor of the low-pressure compressor, and a stator extending around the rotor of the electric machine and configured to be cooled by the primary flow.

A fan module for an aircraft turbine engine, this module comprising a fan and an electrical machine, such that the electrical machine is coaxially mounted downstream of the fan and comprises a rotor coupled to rotate with the fan and an annular member with generally C-shaped axial cross-section, the opening of which is axially orientated and receives the rotor, this member comprising a radially outer portion forming a stator, and a radially inner portion forming a support for bearings guiding the rotor.

Fan module equipped with an electrical machine for an aircraft turbine engine

An aircraft turbine engine includes a gas generator and a fan arranged upstream of the gas generator and configured to generate a main gas flow, of which one portion flows in a stream from the gas generator to form a primary flow, and of which another portion flows in a stream around the gas generator to form a secondary flow. The gas generator includes a low pressure body having a rotor driving the fan by means of a crown of a mechanical planetary reduction gear. The turbine engine further includes an electrical machine mounted coaxially around the reduction gear and having a rotor rotated by the crown of the reduction gear, and a stator extending around the rotor of the electrical machine.

Aircraft turbine engine provided with an electrical machine

An aircraft turbomachine, including a fan that is able to rotate inside a casing, and an electric machine including a rotor secured to the fan and a stator secured to the casing, wherein the rotor of the electric machine includes a ring that is able to rotate inside the stator, which is linked by arms to a cone mounted upstream from the fan.

Turbomachine with electric machine comprising a rotor ring attached to the fan

An electric module of a fan includes a fan provided with blades which are rotatably movable inside a casing, and an electric machine having a rotor secured to the fan and a stator integrated into said casing. The rotor of the electric machine is integrated into the fan and includes a removable ring which captures axially and transversely from the radially outer ends the blades of the fan and which is received inside said stator which is integrated into the casing.

Electric module for an aircraft fan comprising blades with improved attachment

An aircraft turbine engine includes a low-pressure body and a high-pressure body, as well as means for drawing power on said low-pressure body, said means having a first shaft for drawing power, the radially inner end of said first shaft bearing a first bevel gear meshed with a first idler bevel wheel driven by the low-pressure body, the turbine engine further having a first annular bearing support which extends about an axis and is rigidly connected to a stator. The first bearing support includes a first cylindrical portion which extends coaxially with a second substantially cylindrical portion of the idler wheel, said first and second portions being guided one inside the other by bearings, and the idler wheel is driven by the low-pressure body by means of an annular damping piece which is independent of the first bearing support.

Growing community of inventors

Moissy-Cramayel, France

Loïc Paul Yves Guillotel