Patents by Inventor Fabien Roger
Fabien Roger 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).
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Patent number: 11852025Abstract: A turbo machine including a device for ventilating and pressurising a turbine rotor of a turbomachine having an axis, the device including at least one collection pipe suitable for collecting a fraction of the air circulating in a high-pressure compressor of the turbomachine and conveying it to a first inner chamber inside the turbomachine that communicates with a second inner chamber delimited by the turbine rotor, the first and second chambers being at least partially separated by a stationary shroud having the axis, wherein it includes at least one injector passing through the stationary shroud and having a cross-section that varies in response to a pressure difference between the first and second chambers.Type: GrantFiled: March 15, 2021Date of Patent: December 26, 2023Assignee: SAFRAN AIRCRAFT ENGINESInventors: Paco Maurer, Fabien Roger Gaston Caty
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Patent number: 11828183Abstract: Disclosed is a turbomachine (10) with counter-rotating turbine for an aircraft, comprising: —a high-pressure body, —a low-pressure counter-rotating turbine (22), —a planetary-type mechanical epicyclic reduction gear (42), —a guide bearings (56-62) for the turbine shafts (36, 38), characterised in that said reduction gear (42) and certain of the bearings (60, 62) are housed in a lubrication chamber (86) supplied with oil and comprising dynamic seals (86a-86d), and in that the turbomachine comprises circuits (C1, C2) for pressurising these seals.Type: GrantFiled: December 1, 2020Date of Patent: November 28, 2023Assignee: SAFRAN AIRCRAFT ENGINESInventors: Paul Ghislain Albert Levisse, Olivier Belmonte, Fabien Roger Gaston Caty, Amelie Argie Antoinette Chassagne
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Publication number: 20230048118Abstract: The invention relates to a turbomachine comprising a device for ventilating and pressurising a turbine rotor of a turbomachine of axis (A), the device comprising at least one collection pipe suitable for collecting a fraction of the air circulating in a high-pressure compressor of the turbomachine and conveying it to a first inner chamber (39) inside the turbomachine that communicates with a second inner chamber (40) delimited by the turbine (24) rotor (23), the first and second chambers (39, 40) being at least partially separated by a stationary shroud (56) of axis (A), characterised in that it comprises at least one injector (58) passing through the stationary shroud (56) and having a cross-section that varies in response to a pressure difference between said first and second chambers (39, 40).Type: ApplicationFiled: March 15, 2021Publication date: February 16, 2023Inventors: Paco MAURER, Fabien Roger Gaston CATY
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Publication number: 20230008678Abstract: Disclosed is a turbo machine (10) with counter-rotating turbine for an aircraft, comprising: - a high-pressure body, - a low-pressure counter-rotating turbine (22), - a planetary-type mechanical epicyclic reduction gear (42), - guide bearings (56-62) for the turbine shafts (36, 38), characterised in that said reduction gear (42) and certain of the bearings (60, 62) are housed in a lubrication chamber (86) supplied with oil and comprising dynamic seals (86a-86d), and in that the turbo machine comprises circuits (C1, C2) for pressurising these seals.Type: ApplicationFiled: December 1, 2020Publication date: January 12, 2023Inventors: Paul Ghislain Albert Levisse, Olivier Belmonte, Fabien Roger Gaston Caty, Amelie Argie Antoinette Chassagne
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Patent number: 11401869Abstract: The invention concerns an assembly comprising an epicycloidal gear train (10) having a central pinion (26), an outer crown (28) and satellite pinions (32) in engagement with the central pinion (26) and the outer crown (28) and each mounted freely rotatable on a satellite carrier (36), the central pinion (26) surrounding and being rotationally fixed to a shaft (24) and the gear train comprising means for lubricating the teeth and axes (34) of the satellite pinions (32), these means including an annular cup (56) fixed to the satellite carrier (36) opened radially inward. According to the invention, the assembly includes fixed oil spraying means (64) configured to spray oil towards oil deflecting means (70) towards the inside of the annular cup (56).Type: GrantFiled: April 5, 2018Date of Patent: August 2, 2022Assignee: SAFRAN TRANSMISSION SYSTEMSInventors: Serge René Morreale, Fabien Roger Gaston Caty, Patrice Jocelyn Francis Gedin
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Publication number: 20220232752Abstract: An agricultural work machine and an operating device for controlling the operation of both of a front lifting mechanism and a rear lifting mechanism of an agricultural work machine are disclosed. The agricultural work machine includes a front lifting mechanism, a rear lifting mechanism, and an operating device. The operating device includes an operating element configured to control operation of the front lifting mechanism and the rear lifting mechanism, at least one visualization element, and at least one selection switch. The at least one selection switch is configured to receive a selection of at least one of the front lifting mechanisms or rear lifting mechanism for active control; and the at least one visualization element is configured to visually indicate a current lifting position of the one of the front lifting mechanism or the rear lifting mechanism selected for active control.Type: ApplicationFiled: January 25, 2022Publication date: July 28, 2022Applicant: CLAAS Tractor SASInventors: Rémi Garcia, Fabien Roger, Jérémy Renaud, Pierre Bourry
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Patent number: 11378177Abstract: The invention concerns an epicycloidal gear train (10) comprising a central pinion (26), an outer crown (28) and satellite pinions (32) in engagement with the central pinion (26) and the outer crown (28) and each mounted freely rotatable on a satellite carrier (36), the gear train (10) comprising an annular cup (56) being integral with the satellite carrier (36) and open radially inward. According to the invention, the cup (56) is divided into a circumferential succession of first basins (60) of the first oil circuit and second basins (62) of the second oil circuit, the first basins (60) being fluidly separated from the second cells (62) and characterised in that the cup (56) comprises two annular walls (56a, 56b) axially facing, the annular wall (56b) of which is furthest from a median transverse plane (74) of the gear train (10) has openings (76) opening into the second basins (62).Type: GrantFiled: April 10, 2018Date of Patent: July 5, 2022Assignee: SAFRAN TRANSMISSION SYSTEMSInventors: Serge René Morreale, Fabien Roger Gaston Caty, Patrice Jocelyn Francis Gedin
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Patent number: 11377978Abstract: A ventilated chamber (19), subject to an irruption of air at a pressure higher than that in a surrounding chamber (20) through labyrinth seals separating them and evacuation of excess air through an evacuation duct (30), comprises a motor-driven compressor (32) in the evacuation duct to facilitate suction and evacuation, even when the engine speed does not allow a large overpressure in the chamber (20).Type: GrantFiled: January 31, 2020Date of Patent: July 5, 2022Assignee: SAFRAN AIRCRAFT ENGINESInventors: Antoine Jean-Philippe Beaujard, Fabien Roger Gaston Caty, Paco Maurer
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Patent number: 11332006Abstract: The present invention concerns a hydraulic system comprising a hydraulic pump (130) installed on a truck tractor (10), a hydraulic pipe (160) connected to the outlet of the pump (130) and a connector (170) positioned at the outlet of the pipe (160) and designed to be connected to a complementary socket (180) provided on a trailer (20) in order to supply a ram (110) positioned on the trailer, for example for tipping purposes, characterised by the fact that it comprises a circuit selector (210) designed to connect said socket (180) selectively either to a ram (110) or a conduit (220) supplying a drive assistance circuit and an assistance circuit return conduit (250) designed to be connected to a tank (120) positioned on the truck tractor.Type: GrantFiled: October 24, 2017Date of Patent: May 17, 2022Assignee: POCLAIN HYDRAULICS INDUSTRIEInventors: Fabien Roger, Cedric Magnien, Gery Depierre, David Devred, Loris Taxil, Matej Erznoznik
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Publication number: 20210189970Abstract: The invention concerns an assembly comprising an epicycloidal gear train (10) having a central pinion (26), an outer crown (28) and satellite pinions (32) in engagement with the central pinion (26) and the outer crown (28) and each mounted freely rotatable on a satellite carrier (36), the central pinion (26) surrounding and being rotationally fixed to a shaft (24) and the gear train comprising means for lubricating the teeth and axes (34) of the satellite pinions (32), these means including an annular cup (56) fixed to the satellite carrier (36) opened radially inward. According to the invention, the assembly includes fixed oil spraying means (64) configured to spray oil towards oil deflecting means (70) towards the inside of the annular cup (56).Type: ApplicationFiled: April 5, 2018Publication date: June 24, 2021Inventors: Serge René MORREALE, Fabien Roger Gaston CATY, Patrice Jocelyn Francis GEDIN
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Publication number: 20210102617Abstract: The invention concerns an epicycloidal gear train (10) comprising a central pinion (26), an outer crown (28) and satellite pinions (32) in engagement with the central pinion (26) and the outer crown (28) and each mounted freely rotatable on a satellite carrier (32), the gear train (10) comprising an annular cup (56) being integral with the satellite carrier (36) and open radially inward. According to the invention, the cup (56) is divided into a circumferential succession of first basins (60) of the first oil circuit and second basins (62) of the second oil circuit, the first basins (60) being fluidly separated from the second cells (62) and characterised in that the cup (56) comprises two annular walls (56a, 56b) axially facing, the annular wall (56b) of which is furthest from a median transverse plane (74) of the gear train (10) has openings (76) opening into the second basins (62).Type: ApplicationFiled: April 10, 2018Publication date: April 8, 2021Inventors: Serge René MORREALE, Fabien Roger Gaston CATY, Patrice Jocelyn Francis GEDIN
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Publication number: 20200248587Abstract: A ventilated chamber (19), subject to an irruption of air at a pressure higher than that in a surrounding chamber (20) through labyrinth seals separating them and evacuation of excess air through an evacuation duct (30), comprises a motor-driven compressor (32) in the evacuation duct to facilitate suction and evacuation, even when the engine speed does not allow a large overpressure in the chamber (20).Type: ApplicationFiled: January 31, 2020Publication date: August 6, 2020Inventors: Antoine Jean-Philippe BEAUJARD, Fabien Roger Gaston CATY, Paco MAURER
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Patent number: 10697312Abstract: A guide vane for a twin-spool aircraft turbomachine has an aerodynamic part that includes an internal lubricant cooling passage extending along a principal lubricant flow direction. The aerodynamic part is made in a single piece and also includes heat transfer fins arranged in the passage connecting the intrados and extrados walls and extending approximately parallel to the direction, these fins being distributed in successive rows along the principal direction and made such that for two rows of staggered directly consecutive fins, a first row includes fins forming a positive acute angle A1 with a dummy reference plane, while a second row includes fins forming a negative acute angle A2 with this plane.Type: GrantFiled: March 7, 2018Date of Patent: June 30, 2020Assignee: SAFRAN AIRCRAFT ENGINESInventors: Mohamed-Lamine Boutaleb, Fabien Roger Gaston Caty, Sebastien Vincent Francois Dreano, Thierry Georges Paul Papin, Christophe Marcel Lucien Perdrigeon, Cedric Zaccardi
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Publication number: 20190329649Abstract: The present invention concerns a hydraulic system comprising a hydraulic pump (130) installed on a truck tractor (10), a hydraulic pipe (160) connected to the outlet of the pump (130) and a connector (170) positioned at the outlet of the pipe (160) and designed to be connected to a complementary socket (180) provided on a trailer (20) in order to supply a ram (110) positioned on the trailer, for example for tipping purposes, characterised by the fact that it comprises a circuit selector (210) designed to connect said socket (180) selectively either to a ram (110) or a conduit (220) supplying a drive assistance circuit and an assistance circuit return conduit (250) designed to be connected to a tank (120) positioned on the truck tractor.Type: ApplicationFiled: October 24, 2017Publication date: October 31, 2019Inventors: Fabien ROGER, Cedric MAGNIEN, Gery DEPIERRE, David DEVRED, Loris TAXIL, Matej ERZNOZNIK
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Publication number: 20180258779Abstract: The invention relates to a guide vane for a twin-spool aircraft turbomachine, of which the aerodynamic part (32) comprises an internal lubricant cooling passage (50a) extending along a principal lubricant flow direction (52a). According to the invention, the aerodynamic part is made in a single piece and also comprises heat transfer fins (80a, 80b) arranged in the passage (50a) connecting the intrados and extrados walls (70, 72) and extending approximately parallel to the direction (52a), these fins being distributed in successive rows along the principal direction (52a) and made such that for two rows (R1, R2) of staggered directly consecutive fins, the row (R1) comprises fins (80a) forming a positive acute angle A1 with a dummy reference plane (Pf), while the row (R2) comprises fins (80b) forming a negative acute angle A2 with this plane (Pf).Type: ApplicationFiled: March 7, 2018Publication date: September 13, 2018Applicant: SAFRAN AIRCRAFT ENGINESInventors: Mohamed-Lamine Boutaleb, Fabien Roger Gaston Caty, Sebastien Vincent Francois Dreano, Thierry Georges Paul Papin, Christophe Marcel Lucien Perdrigeon, Cedric Zaccardi
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Patent number: 8696070Abstract: A hydraulic braking valve having an inlet orifice intended to be connected to a pressure supply, an outlet orifice intended to be connected to a braking unit, a leak orifice intended to be connected to a tank, a power distributor adapted so as to connect the inlet orifice to the outlet orifice in a braking configuration, and a leak orifice to the outlet orifice in a rest configuration. The power distributor is driven by two independently driven calibrators.Type: GrantFiled: December 15, 2011Date of Patent: April 15, 2014Assignee: Poclain Hydraulics IndustrieInventors: Dominique Costaz, Fabien Roger
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Publication number: 20130189126Abstract: The present invention relates to a hydraulic circuit including: a variable displacement pump, a booster pump, a pump control controlling the displacement of the variable displacement pump, supplied by the booster pump via pressure control means, the pump control including a double-acting cylinder including a first chamber and a second chamber, wherein the first chamber is connected to said booster pump via a first setting line including pressure reducing means, the second chamber is connected to said booster pump via a second setting line including a proportional pressure reducer, such that control of the proportional pressure reducer controls the displacement of the variable displacement pump.Type: ApplicationFiled: July 27, 2012Publication date: July 25, 2013Applicant: POCLAIN HYDRAULICS INDUSTRIEInventors: Fabien Roger, Jean Heren
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Publication number: 20120205203Abstract: The present invention relates to a hydraulic braking valve (22) comprising: an inlet orifice intended to be connected to a pressure supply means (23), an outlet orifice intended to be connected to a braking means (25), a leak orifice intended to be connected to a tank (24), a power distributor (26) adapted so as to connect the inlet orifice to the outlet orifice in a braking configuration, and a leak orifice to the outlet orifice in a rest configuration, said braking valve (22) being characterized in that the power distributor (26) is driven by two independently driven calibration means.Type: ApplicationFiled: December 15, 2011Publication date: August 16, 2012Inventors: Dominique Costaz, Fabien Roger