Patents by Inventor Jérôme Rocchi
Jérôme Rocchi 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: 11768036Abstract: A tubular heat exchanger (10) comprising: a fluid circulation chamber (20) intended to be supplied with a first fluid, referred to as outer fluid, brought to a first temperature, a heat exchange matrix (30) housed in said circulation chamber and formed by a plurality of heat exchange tubes (31) each comprising at least one pair of ducts (32; 33) nested one inside the other, extending along a direction, referred to as longitudinal direction, and defining: a channel for circulating a fluid, referred to as inner channel (32c; 33c), suitable for being able to be supplied with a second fluid, referred to as inner fluid, brought to a second temperature, and a channel for the circulation of a fluid, referred to as intermediate channel (32d; 33d), and suitable for being able to be supplied with a third fluid, referred to as intermediate fluid, brought to a third temperature, different from said first temperature.Type: GrantFiled: November 22, 2019Date of Patent: September 26, 2023Assignee: LIEBHERR-AEROSPACE TOULOUSE SASInventors: Johanna Ingenito, Romain Angélique, Florian Bonnivard, Mickael Bregoli, Grégoire Hanss, Jérome Rocchi
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Publication number: 20230023640Abstract: The invention relates to a heat exchanger that is configured to permit an exchange of heat between a first fluid and a second fluid that circulate in passage paths formed by plates (14a, 14b) and fins (16a, 16b) of the heat exchanger, the fluids flowing in a multitude of passage channels (10) each consisting of a closed space (12) delimited by two adjacent plates and two adjacent fins, characterized in that each plate extends along a non-planar surface following at least a first oscillating curve, and each fin further following at least one second oscillating curve along at least one second main direction, in such a way that each passage path allows the fluid to flow in the closed space along a fluid direction defined by a generatrix that is a combination at least of the first oscillating curve and the second oscillating curve.Type: ApplicationFiled: December 15, 2020Publication date: January 26, 2023Applicant: LIEBHERR-AEROSPACE TOULOUSE SASInventors: JOHANNA INGENITO, ROMAIN ANGELIQUE, FLORIAN BONNIVARD, MICKAEL BREGOLI, GRÉGOIRE HANSS, JÉRÔME ROCCHI
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Publication number: 20220372628Abstract: Method for manufacturing a fire-resistant part of an air conditioning system for an air or rail transport vehicle, characterized in that it includes at least the following steps: a step of obtaining a part including at least one aluminum alloy surface portion, and a step of treating the aluminum alloy surface portion by use of micro-arc oxidation in order to produce a ceramic coating on the surface portion.Type: ApplicationFiled: September 25, 2020Publication date: November 24, 2022Inventors: Hélène CERDA, Jérôme ROCCHI
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Publication number: 20220011049Abstract: A tubular heat exchanger (10) comprising: a fluid circulation chamber (20) intended to be supplied with a first fluid, referred to as outer fluid, brought to a first temperature, a heat exchange matrix (30) housed in said circulation chamber and formed by a plurality of heat exchange tubes (31) each comprising at least one pair of ducts (32; 33) nested one inside the other, extending along a direction, referred to as longitudinal direction, and defining: a channel for circulating a fluid, referred to as inner channel (32c; 33c), suitable for being able to be supplied with a second fluid, referred to as inner fluid, brought to a second temperature, and a channel for the circulation of a fluid, referred to as intermediate channel (32d; 33d), and suitable for being able to be supplied with a third fluid, referred to as intermediate fluid, brought to a third temperature, different from said first temperature.Type: ApplicationFiled: November 22, 2019Publication date: January 13, 2022Inventors: Johanna INGENITO, Romain ANGÉLIQUE, Florian BONNIVARD, Mickael BREGOLI, Grégoire HANSS, Jérome ROCCHI
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Patent number: 10753394Abstract: A method for coating a turbomachine part with a self-lubricating includes: providing a rotor or thrust disc of the turbomachine; applying, by a thermal spraying process, a self-lubricating coating having of a mixture of 50 to 90 wt % of alumina (Al2O3) with titanium oxide (TiO2) to a surface of the rotor and/or a surface; and finishing the coated surface of the rotor and/or thrust disc.Type: GrantFiled: February 28, 2019Date of Patent: August 25, 2020Assignee: LIEBHERR-AEROSPACE TOULOUSE SASInventors: Jerome Rocchi, Gregory Grau
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Publication number: 20190195280Abstract: A method for coating a turbomachine part with a self-lubricating includes: providing a rotor or thrust disc of the turbomachine; applying, by a thermal spraying process, a self-lubricating coating having of a mixture of 50 to 90 wt % of alumina (Al2O3) with titanium oxide (TiO2) to a surface of the rotor and/or a surface; and finishing the coated surface of the rotor and/or thrust disc.Type: ApplicationFiled: February 28, 2019Publication date: June 27, 2019Applicant: LIEBHERR-AEROSPACE TOULOUSE SASInventors: Jerome ROCCHI, Gregory GRAU
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Patent number: 10266782Abstract: A process for manufacturing a part provided with a lubricating surface coating (10), in which: a composition is prepared that includes at least one precursor having at least one organic group, the composition is deposited on the part, a heat treatment is carried out, wherein the heat treatment of the coating is carried out at a temperature above 220° C., so as to form a lubricating surface coating (10) formed of an at least partially inorganic solid network incorporating solid carbon in at least one lubricating allotropic form in the dispersed state and trapped within the solid network. A part, such as a foil of a foil bearing (1) obtained by the process, a turbomachine, such as a turbomachine for a fuel cell, including such a part, and an aircraft cabin air-conditioning system including at least one such turbomachine are also described.Type: GrantFiled: April 23, 2014Date of Patent: April 23, 2019Assignees: LIEBHERR-AEROSPACE TOULOUSE SAS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S), UNIVERSITE PAUL SABATIER TOULOUSE IIIInventors: Souphiane Rahoui, Jean-Pierre Bonino, Viviane Turq-Perrussel, Jerome Rocchi
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Patent number: 10144098Abstract: A method for producing a corrugated foil bearing stiffener involves starting with an austenitic nickel superalloy sheet (15) having an elasticity limit higher than 500 MPa, and subjecting the sheet (15) to at least one step of press bending plastic deformation of the entire thickness of same with a deformation energy higher than 10 kJ in a time shorter than 10?5 s in such a way as to create corrugations.Type: GrantFiled: April 29, 2014Date of Patent: December 4, 2018Assignee: LIEBHERR-AEROSPACE TOULOUSE SASInventors: Jerome Rocchi, Gregory Grau, Frederic Letrange
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Patent number: 10119569Abstract: The manufacturing method notably includes a step (110) for sintering steel powder (10), the chemical composition of which includes, in mass percent, 2.3% of carbon, 4.2% of chromium, 7% of molybdenum, 6.5% of tungsten, 10.5% of cobalt and 6.5% of vanadium, so as to obtain a sintered steel (12) and shaping of the sintered steel (12), for forming a bearing ring (18).Type: GrantFiled: December 18, 2013Date of Patent: November 6, 2018Assignees: SKF Aerospace France, Liebherr-Aerospace Toulouse SASInventors: Gwénolé Le Jeune, Yves Maheo, Jérôme Rocchi
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Patent number: 9732790Abstract: This aerodynamic foil bearing has a sleeve (4) inside which are arranged: a foil referred to as the top foil (16), and a bump foil (14) arranged between the top foil (16) and the sleeve (4), a foil (12) of viscoelastic material arranged between an inner face of the sleeve (4) and the bump foil (14).Type: GrantFiled: December 5, 2014Date of Patent: August 15, 2017Assignee: LIEBHERR-AEROSPACE TOULOUSE SASInventors: Jerome Rocchi, Gregory Grau
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Publication number: 20160377119Abstract: High temperature use of a self lubricating coating material in a foil bearing and part coated with such a material. A material according to the disclosure includes between 50 and 90 wt % of alumina (Al2O3), as well as an oxide selected from the group consisting of titanium oxide (TiO2), chromium oxide (Cr2O3), and a mixture of these. Application to a rotor and/or a thrust disc at least partially covered with such a material.Type: ApplicationFiled: December 5, 2014Publication date: December 29, 2016Applicant: LIEBHERR-AEROSPACE TOULOUSE SASInventors: Jerome ROCCHI, Gregory GRAU
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Publication number: 20160369838Abstract: This aerodynamic foil bearing has a sleeve (4) inside which are arranged: a foil referred to as the top foil (16), and a bump foil (14) arranged between the top foil (16) and the sleeve (4), a foil (12) of viscoelastic material arranged between an inner face of the sleeve (4) and the bump foil (14).Type: ApplicationFiled: December 5, 2014Publication date: December 22, 2016Applicant: LIEBHERR-AEROSPACE TOULOUSE SASInventors: Jerome ROCCHI, Gregory GRAU
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Patent number: 9394946Abstract: The aerodynamic foil bearing in the form of a radial or axial thrust bearing, includes a rotor and a stator including a support designed to support, facing the rotor, a lift device including: a plurality of evenly distributed elastic foils fixed by a fixing edge to a surface of the lift device facing the rotor; rows of ventilation orifices passing through the lift device and opening between a free edge of each elastic foil and the fixing edge of the next foil, wherein the support includes a cavity having grooves extending under the rows of ventilation orifices and at least one circular groove intersecting the grooves and supplied with a stream of pressurized cooling gas to distribute same so as to cool the underside of each foil and provide a supply of fresh gas above the next foil to compensate for gas losses at the ends of the bearing.Type: GrantFiled: February 4, 2014Date of Patent: July 19, 2016Assignee: LIEBHERR-AEROSPACE TOULOUSE SASInventors: Jerome Rocchi, Gregory Grau, Jerome Aury
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Publication number: 20160083666Abstract: A process for manufacturing a part provided with a lubricating surface coating (10), in which: a composition is prepared that includes at least one precursor having at least one organic group, the composition is deposited on the part, a heat treatment is carried out, wherein the heat treatment of the coating is carried out at a temperature above 220° C., so as to form a lubricating surface coating (10) formed of an at least partially inorganic solid network incorporating solid carbon in at least one lubricating allotropic form in the dispersed state and trapped within the solid network. A part, such as a foil of a foil bearing (1) obtained by the process, a turbomachine, such as a turbomachine for a fuel cell, including such a part, and an aircraft cabin air-conditioning system including at least one such turbomachine are also described.Type: ApplicationFiled: April 23, 2014Publication date: March 24, 2016Applicant: UNIVERSITE PAUL SABATIER TOULOUSE IIIInventors: Souphiane RAHOUI, Jean-Pierre BONINO, Viviane TURQ-PERRUSSEL, Jerome ROCCHI
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Publication number: 20160082554Abstract: A method for producing a corrugated foil bearing stiffener involves starting with an austenitic nickel superalloy sheet (15) having an elasticity limit higher than 500 MPa, and subjecting the sheet (15) to at least one step of press bending plastic deformation of the entire thickness of same with a deformation energy higher than 10 kJ in a time shorter than 10?5 s in such a way as to create corrugations.Type: ApplicationFiled: April 29, 2014Publication date: March 24, 2016Applicant: LIEBHERR-AEROSPACE TOULOUSE SASInventors: Jerome ROCCHI, Gregory GRAU, Frederic LETRANGE
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Publication number: 20150369294Abstract: The aerodynamic foil bearing in the form of a radial or axial thrust bearing, includes a rotor and a stator including a support designed to support, facing the rotor, a lift device including: a plurality of evenly distributed elastic foils fixed by a fixing edge to a surface of the lift device facing the rotor; rows of ventilation orifices passing through the lift device and opening between a free edge of each elastic foil and the fixing edge of the next foil, wherein the support includes a cavity having grooves extending under the rows of ventilation orifices and at least one circular groove intersecting the grooves and supplied with a stream of pressurized cooling gas to distribute same so as to cool the underside of each foil and provide a supply of fresh gas above the next foil to compensate for gas losses at the ends of the bearing.Type: ApplicationFiled: February 4, 2014Publication date: December 24, 2015Inventors: Jerome ROCCHI, Gregory GRAU, Jerome AURY
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Publication number: 20150323009Abstract: The manufacturing method notably includes a step (110) for sintering steel powder (10), the chemical composition of which includes, in mass percent, 2.3% of carbon, 4.2% of chromium, 7% of molybdenum, 6.5% of tungsten, 10.5% of cobalt and 6.5% of vanadium, so as to obtain a sintered steel (12) and shaping of the sintered steel (12), for forming a bearing ring (18).Type: ApplicationFiled: December 18, 2013Publication date: November 12, 2015Inventors: Gwénolé Le Jeune, Yves Maheo, Jérôme Rocchi