Patents by Inventor Dominik Igel

Dominik Igel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11274676
    Abstract: A ducted fan module with variable-pitch blades for a turbo engine includes a rotor carrying a plurality of blades, a stationary casing, and a blade pitch changing and control system. The rotor includes a central shaft and a surrounding blade support ring. A front end of the blade support ring is connected to a front end of the central shaft, creating a rearward-opening annular space between the blade support ring and the central shaft. A tubular part is connected to the stationary casing and extends into the annular space.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: March 15, 2022
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Serge René Morreale, Yanis Benslama, Jérémy Dievart, Dominik Igel
  • Patent number: 11162506
    Abstract: The invention relates to a fan module having variable-pitch blades for a turbine engine, including a rotor (2) having blades (3), a stationary casing (7), and a system for adjusting and controlling the pitch of the blades (3), the rotor (2) including a central shaft (6) and a ring (9) for supporting the blades surrounding the shaft, a front end of the ring being connected to a front end of the shaft so as to define an annular space between the ring and the shaft which is open towards the rear, said annular space of the rotor (2) housing said system, and the shaft (6) being guided by a first bearing (8) mounted in the stationary casing (7), to the rear of the ring (9), characterised in that the ring (9) is guided by at least one complementary bearing (31) located upstream of the first bearing (8).
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: November 2, 2021
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Serge Rene Morreale, Yanis Benslama, Jeremy Dievart, Dominik Igel
  • Patent number: 11124287
    Abstract: The invention relates to a fan module with variable-pitch blades for a turbomachine, comprising a rotor (2) carrying blades (3), a stationary housing (7), a mechanism (11, 12, 13, 14, 20) for regulating the pitch of the blades (3), which is connected to the rotor, and a control means (16, 17) mounted on the stationary housing (7) and comprising a control part (18) that can be moved in translation according to an axis (X) of rotation of the rotor (2), and a bearing (19) for load transfer between the control part (18) and said mechanism, characterised in that it also comprises a stationary track (23) supporting the elastic restoring means (26, 27) which are arranged so as to exert an axial restoring force on the control part (18) towards a determined position, preferably corresponding to the blade (3) feathering.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: September 21, 2021
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Serge Rene Morreale, Yanis Benslama, Jeremy Dievart, Dominik Igel
  • Patent number: 10883422
    Abstract: The invention relates to a turbine engine, comprising: a device for bleeding a compressor, particularly a high-pressure compressor, comprising at least one valve for bleeding said compressor, an outlet of said valve being connected to a bleed system designed to discharge a bleed airflow; and at least one device for cooling at least one unit, comprising a heat exchanger, an air outlet of which is connected to an ejector of the jet pump type, which comprises a feed-through duct for a secondary airflow coming from said air outlet, as well as a nozzle for spraying a primary airflow inside said feed-through duct, wherein the nozzle is connected to said bleed system.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: January 5, 2021
    Assignee: SNECMA
    Inventors: Benissa Boujida, Daniel Bernava, Dominik Igel, Maxime Aurélien Rotenberg
  • Publication number: 20200369369
    Abstract: The invention relates to a fan module with variable-pitch blades for a turbomachine, comprising a rotor (2) carrying blades (3), a stationary housing (7), a mechanism (11, 12, 13, 14, 20) for regulating the pitch of the blades (3), which is connected to the rotor, and a control means (16, 17) mounted on the stationary housing (7) and comprising a control part (18) that can be moved in translation according to an axis (X) of rotation of the rotor (2), and a bearing (19) for load transfer between the control part (18) and said mechanism, characterised in that it also comprises a stationary track (23) supporting the elastic restoring means (26, 27) which are arranged so as to exert an axial restoring force on the control part (18) towards a determined position, preferably corresponding to the blade (3) feathering.
    Type: Application
    Filed: December 22, 2016
    Publication date: November 26, 2020
    Inventors: Serge Rene MORREALE, Yanis BENSLAMA, Jeremy DIEVART, Dominik IGEL
  • Publication number: 20190024672
    Abstract: A ducted fan module with variable-pitch blades for a turbo engine includes a rotor carrying a plurality of blades, a stationary casing and a pitch changing and control system for adjusting and controlling the setting of the blades. The rotor includes a central shaft and a blade support ring surrounding the central shaft, a front end of the ring that is connected to a front end of the central shaft, so as to create a rearward-opening annular space between the ring and the shaft. The annular space of the rotor housing the blade changing and control system and the central shaft are guided by a first bearing mounted in a stationary casing behind the ring. The fan has a tubular part connected to the stationary casing and extending into the annular space in front of the first bearing and carrying at least a first complementary bearing for guiding the shaft.
    Type: Application
    Filed: December 22, 2016
    Publication date: January 24, 2019
    Applicant: SAFRAN AIRCRAFT ENGINES
    Inventors: Serge René Morreale, Yanis Benslama, Jérémy Dievart, Dominik Igel
  • Publication number: 20190003484
    Abstract: The invention relates to a fan module having variable-pitch blades for a turbine engine, including a rotor (2) having blades (3), a stationary casing (7), and a system for adjusting and controlling the pitch of the blades (3), the rotor (2) including a central shaft (6) and a ring (9) for supporting the blades surrounding the shaft, a front end of the ring being connected to a front end of the shaft so as to define an annular space between the ring and the shaft which is open towards the rear, said annular space of the rotor (2) housing said system, and the shaft (6) being guided by a first bearing (8) mounted in the stationary casing (7), to the rear of the ring (9), characterised in that the ring (9) is guided by at least one complementary bearing (31) located upstream of the first bearing (8).
    Type: Application
    Filed: December 22, 2016
    Publication date: January 3, 2019
    Inventors: Serge Rene MORREALE, Yanis BENSLAMA, Jeremy DIEVART, Dominik IGEL
  • Patent number: 10012110
    Abstract: A turbomachine assembly including first and second bodies, in which one of the bodies is rotating relative to the other body around the axis of rotation of the turbomachine, is provided. A tight zone is formed between the bodies and includes a sealing gasket. A flowing fluid, in particular lubricant oil, is able to circulate inside the first and second bodies and to be driven toward the one rotating body from the other body. The one rotating body includes a device for guiding the rotation, in the direction of rotation of the one rotating body, of the flow of fluid inside the one rotating body so as to drive the flowing fluid away from the tight zone.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: July 3, 2018
    Assignee: SNECMA
    Inventors: Catherine Pikovsky, Dominik Igel, Boris Lemattre
  • Patent number: 9982551
    Abstract: A system for sealing an oil chamber from an adjoining exterior volume, and a turbo-machine including a sealing system. The system for sealing the oil chamber from the adjoining exterior volume, both of which are delimited by a mobile rotor in rotation about an axis and a part, fixed or mobile, includes: a first seal arranged between the rotor and the part; a second seal that is mounted between the rotor and the part and which is offset longitudinally relative to the first seal, to form with the first seal a sealing chamber delimited by the rotor, the part, and the two seals; and a mechanism for supplying gas to the sealing chamber, such that the gas can be compressed when the rotor begins to rotate, the chamber communicating with the oil chamber and/or the adjoining exterior volume via the first and second seals alone, respectively.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: May 29, 2018
    Assignee: SNECMA
    Inventors: Dominik Igel, Delphine Leroux
  • Patent number: 9951651
    Abstract: A bearing, such as a rolling bearing, is mounted on a support mobile in translation and includes a lubrication mechanism. The lubrication mechanism includes at least one pipe delivering a lubricant, linked to a lubricant supply source, and at least partially engaging in the support mobile in translation to deliver the lubricant from the mobile support along an internal channel to the bearing, passing through an inner ring of the bearing.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: April 24, 2018
    Assignee: SNECMA
    Inventors: Caroline Frantz, Dominik Igel, Nadege Hugon, Augustin Curlier
  • Publication number: 20170335769
    Abstract: The invention relates to a turbine engine, comprising: a device for bleeding a compressor, particularly a high-pressure compressor, comprising at least one valve for bleeding said compressor, an outlet of said valve being connected to a bleed system designed to discharge a bleed airflow; and at least one device for cooling at least one unit, comprising a heat exchanger, an air outlet of which is connected to an ejector of the jet pump type, which comprises a feed-through duct for a secondary airflow coming from said air outlet, as well as a nozzle for spraying a primary airflow inside said feed-through duct, wherein the nozzle is connected to said bleed system.
    Type: Application
    Filed: November 24, 2015
    Publication date: November 23, 2017
    Applicant: SAFRAN AIRCRAFT ENGINES
    Inventors: Benissa Boujida, Daniel Bernava, Dominik Igel, Maxime Rotenberg
  • Patent number: 9810095
    Abstract: A sealing device for a turbine engine bearing oil enclosure including a rotor shaft; an annular cover secured to an engine casing and arranged around the rotor shaft to co-operate therewith to define an oil enclosure that is to receive a bearing rotatably supporting the rotor shaft relative to the engine casing; a labyrinth seal mounted on the rotor shaft facing one end of the cover; an annular rim mounted inside the cover; a dynamic annular gasket interposed radially between the rim and the rotor shaft; and a clip for axially blocking the rim inside the cover and including at least one latch passing radially through the rim and being received radially inside a groove formed in the cover, is provided.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: November 7, 2017
    Assignee: SNECMA
    Inventors: Serge Rene Morreale, Dominik Igel
  • Patent number: 9790794
    Abstract: The main purpose of the invention is a propeller (32) for a turbomachine (1) comprising a plurality of blades (48) and a blade support ring (47) fitted with housings (50) each of which holding a pivot (52) supporting the root (58) of one of said blades (48), characterized in that at least one of the pivots (52) is associated with at least one dynamic scoop (100), capable of moving between distinct positions, an open position in which a cooling airflow (F) can be captured, and a closed position as a function of the orientation of the corresponding blade.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: October 17, 2017
    Assignee: SNECMA
    Inventors: Sarah Chartier, Adrien Jacques Philippe Fabre, Dominik Igel, Christophe Jacquemard, Sébastien Tajan
  • Patent number: 9540951
    Abstract: A system for pressurizing at least one chamber for lubricating bearings of a turbine engine, including a circuit for supplying the chamber with pressurized air, and a circuit for recovering oil mist formed in the chamber and for returning the mist to an oil tank of the turbine engine. The supply circuit supplies the chamber with air taken upstream from the low-pressure compressor.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: January 10, 2017
    Assignee: SNECMA
    Inventors: Nelson Dos Santos, Dominik Igel, Serge Rene Morreale
  • Publication number: 20160305283
    Abstract: A sealing device for a turbine engine bearing oil enclosure including a rotor shaft; an annular cover secured to an engine casing and arranged around the rotor shaft to co-operate therewith to define an oil enclosure that is to receive a bearing (8) rotatably supporting the rotor shaft relative to the engine casing; a labyrinth seal mounted on the rotor shaft facing one end of the cover; an annular rim mounted inside the cover; a dynamic annular gasket interposed radially between the rim and the rotor shaft; and a clip for axially blocking the rim inside the cover and including at least one latch passing radially through the rim and being received radially inside a groove formed in the cover, is provided.
    Type: Application
    Filed: April 15, 2016
    Publication date: October 20, 2016
    Applicant: SNECMA
    Inventors: Serge Rene MORREALE, Dominik IGEL
  • Publication number: 20150260045
    Abstract: The main purpose of the invention is a propeller (32) for a turbomachine (1) comprising a plurality of blades (48) and a blade support ring (47) fitted with housings (50) each of which holding a pivot (52) supporting the root (58) of one of said blades (48), characterised in that at least one of the pivots (52) is associated with at least one dynamic scoop (100), capable of moving between distinct positions, an open position in which a cooling airflow (F) can be captured, and a closed position as a function of the orientation of the corresponding blade.
    Type: Application
    Filed: October 8, 2013
    Publication date: September 17, 2015
    Applicant: SNECMA
    Inventors: Sarah Chartier, Adrien Jacques, Philippe Fabre, Dominik Igel, Christophe Jacquemard, Sébastien Tajan
  • Publication number: 20150198065
    Abstract: The primary subject-matter of the invention is a turbomachine assembly (1), comprising first (2) and second (3) bodies, at least one (2) of which is rotating relative to the other (3) around the axis of rotation (T) of the turbomachine (10), between which a tight zone (EH) is formed comprising a sealing gasket (16), a flowing fluid (H), in particular lubricant oil (H), able to circulate inside the first (2) and second (3) bodies and to be driven toward said at least one rotating body (2) from the other body (3), characterized in that said at least one rotating body (2) comprises means (4a, 4b, 4c; 5a, 5b) for guiding the rotation, in the direction of rotation (F3) of said at least one rotating body (2), of the flow of fluid (H) inside said at least one rotating body (2) so as to drive the flowing fluid (H) away from the tight zone (EH).
    Type: Application
    Filed: December 29, 2014
    Publication date: July 16, 2015
    Applicant: SNECMA
    Inventors: Catherine PIKOVSKY, Dominik IGEL, Boris LEMATTRE
  • Publication number: 20150147178
    Abstract: A bearing, such as a rolling bearing, is mounted on a support mobile in translation and includes a lubrication mechanism. The lubrication mechanism includes at least one pipe delivering a lubricant, linked to a lubricant supply source, and at least partially engaging in the support mobile in translation to deliver the lubricant from the mobile support along an internal channel to the bearing, passing through an inner ring of the bearing.
    Type: Application
    Filed: June 27, 2013
    Publication date: May 28, 2015
    Applicant: SNECMA
    Inventors: Caroline Frantz, Dominik Igel, Nadege Hugon, Augustin Curlier
  • Publication number: 20140334913
    Abstract: A system for sealing an oil chamber from an adjoining exterior volume, and a turbo-machine including a sealing system. The system for sealing the oil chamber from the adjoining exterior volume, both of which are delimited by a mobile rotor in rotation about an axis and a part, fixed or mobile, includes: a first seal arranged between the rotor and the part; a second seal that is mounted between the rotor and the part and which is offset longitudinally relative to the first seal, to form with the first seal a sealing chamber delimited by the rotor, the part, and the two seals; and a mechanism for supplying gas to the sealing chamber, such that the gas can be compressed when the rotor begins to rotate, the chamber communicating with the oil chamber and/or the adjoining exterior volume via the first and second seals alone, respectively.
    Type: Application
    Filed: December 5, 2012
    Publication date: November 13, 2014
    Applicant: SNECMA
    Inventors: Dominik Igel, Delphine Leroux
  • Patent number: 8864138
    Abstract: The invention concerns a system for providing a seal between two volumes (V1, V2) delimited by a part (2A) mounted to rotate about an axis (A) and a stator (6), said system (S) including an annular brush seal (7) that comprises: a brush body (8) pivotally mounted in the stator; and fibers (10) fixed to the brush body and inclined at an angle ? relative to a plane (P) orthogonal to the rotation axis (A), wherein it includes means (11, 12) for adjusting the angle ? of the fibers (10) so as to be able to adjust precisely the clearance between the free end (10A) of the fibers and the rotary part (2A).
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: October 21, 2014
    Assignee: SNECMA
    Inventors: Nelson Dos Santos, Dominik Igel, Gerard Philippe Gauthier