Patents by Inventor Michel Dunand
Michel Dunand 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: 10175281Abstract: The invention relates to a device for predicting faults in a harness formed by a plurality of cables gathered together, in particular electrical cables, comprising a protective sheath (10) intended to surround the harness, the sheath (10) comprising a plurality of braided elements (100), said braided elements (100) being braided together to form a tubular sheath, each braided element (100) comprising a plurality of longitudinal braiding strands (101) arranged to form a web, characterised in that the sheath (100) comprises at least one electrically conductive detection strand (102), said detection strand (102) being arranged with the braiding strands (101) of a braided element (100) so as to be incorporated into the web forming said braided element (100), the detection strand (102) being electrically insulated from the braiding strands (100) of said braided element (100).Type: GrantFiled: May 7, 2014Date of Patent: January 8, 2019Assignee: SAFRAN ELECTRICAL & POWERInventors: Jerome Genoulaz, Stephane Brendle, Michel Dunand
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Patent number: 10090080Abstract: The invention relates to an electrical cable (200) intended to be used in a harness (1) to supply power to pieces of electrical equipment, comprising at least: a conductive core (210) comprising at least one conductive strand (211), and an insulating jacket (220) placed around the conductive core. The insulating jacket of the cable has a relative dielectric permittivity lower than or equal to 2 and comprises: a first layer (221) comprising a polymer aerogel, and a second layer (222), covering the first layer, comprising a fluoropolymer. The invention also relates to a harness comprising such an electrical cable.Type: GrantFiled: March 16, 2016Date of Patent: October 2, 2018Assignee: Safran Electrical & PowerInventors: Flavien Koliatene, Michel Dunand
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Publication number: 20180053583Abstract: The invention relates to an electrical cable (200) intended to be used in a harness (1) to supply power to pieces of electrical equipment, comprising at least: a conductive core (210) comprising at least one conductive strand (211), and an insulating jacket (220) placed around the conductive core. The insulating jacket of the cable has a relative dielectric permittivity lower than or equal to 2 and comprises: a first layer (221) comprising a polymer aerogel, and a second layer (222), covering the first layer, comprising a fluoropolymer. The invention also relates to a harness comprising such an electrical cable.Type: ApplicationFiled: March 16, 2016Publication date: February 22, 2018Applicant: SAFRAN ELECTRICAL & POWERInventors: Flavien KOLIATENE, Michel DUNAND
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Publication number: 20170229210Abstract: A harness for electrical connection between a plurality of devices, the harness including a bundle formed by one or more electric cables surrounded by a protective sheath. The harness includes a plurality of electromagnetic attenuator rods or cords extending along the bundle inside the protective sheath, each electromagnetic attenuator rod or cord being made at least in part out of a magnetic material, the rods or cords separating the electric cables of the bundle or being interposed between the bundle and the protective sheath.Type: ApplicationFiled: February 19, 2015Publication date: August 10, 2017Inventors: Flavien KOLIATENE, Michel DUNAND
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Publication number: 20160084898Abstract: The invention relates to a device for predicting faults in a harness formed by a plurality of cables gathered together, in particular electrical cables, comprising a protective sheath (10) intended to surround the harness, the sheath (10) comprising a plurality of braided elements (100), said braided elements (100) being braided together to form a tubular sheath, each braided element (100) comprising a plurality of longitudinal braiding strands (101) arranged to form a web, characterised in that the sheath (100) comprises at least one electrically conductive detection strand (102), said detection strand (102) being arranged with the braiding strands (101) of a braided element (100) so as to be incorporated into the web forming said braided element (100), the detection strand (102) being electrically insulated from the braiding strands (100) of said braided element (100).Type: ApplicationFiled: May 7, 2014Publication date: March 24, 2016Inventors: Jerome Genoulaz, Stephane Brendle, Michel Dunand
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Patent number: 9287689Abstract: A method for laying a plurality of cable sections to be successively positioned in series in a buried duct, according to a flowing-pushing method using a pressurized fluid. The different cable sections are successively introduced into the duct in a single entry point comprising a laying device notably comprising an orifice for introducing a pressurized fluid, a cable section entirely introduced into the duct is pushed towards the position which it should occupy in the duct, only by the pressure of the fluid introduced by said laying device and when a cable section has reached his final position in the duct, an opening is made in the duct near to the rear of the cable section.Type: GrantFiled: August 19, 2011Date of Patent: March 15, 2016Assignees: PLUMETTAZ HOLDING SA, EHTP ENTERPRISE HYDRAULIQUE ET TRAVAUX PUBLICSInventors: Gérard Plumettaz, Michel Dunand, Joël Perelle, Olivier Perignon, Michel Cherix
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Patent number: 8975560Abstract: A lip assembly of a turbojet engine nacelle is equipped with at least one electric de-icing system. The lip assembly includes at least one electric heating member, electrically powered through at least one power conductor. Each power-supply conductor is associated with a neutral conductor or “ground” arranged in a regrouped manner adjacent to a corresponding power-supply conductor.Type: GrantFiled: March 27, 2014Date of Patent: March 10, 2015Assignee: AircelleInventors: David Pereira, Michel Dunand
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Publication number: 20140209592Abstract: A lip assembly of a turbojet engine nacelle is equipped with at least one electric de-icing system. The lip assembly includes at least one electric heating member, electrically powered through at least one power conductor. Each power-supply conductor is associated with a neutral conductor or “ground” arranged in a regrouped manner adjacent to a corresponding power-supply conductor.Type: ApplicationFiled: March 27, 2014Publication date: July 31, 2014Applicant: AIRCELLEInventors: David Pereira, Michel Dunand
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Publication number: 20130277629Abstract: A method for laying a plurality of cable sections to be successively positioned in series in a buried duct, according to a flowing-pushing method using a pressurized fluid. The different cable sections are successively introduced into the duct in a single entry point comprising a laying device notably comprising an orifice for introducing a pressurized fluid, a cable section entirely introduced into the duct is pushed towards the position which it should occupy in the duct, only by the pressure of the fluid introduced by said laying device and when a cable section has reached his final position in the duct, an opening is made in the duct near to the rear of the cable section.Type: ApplicationFiled: August 19, 2011Publication date: October 24, 2013Applicants: EHTP Entreprise Hydraulique et Travaux Publics, Plumettaz Holding SAInventors: Gérard Plumettaz, Michel Dunand, Joël Perelle, Olivier Perignon, Michel Cherix
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Patent number: 7473851Abstract: The invention relates to wiring in a junction box using a printed circuit panel having on one of its edges N input terminals and on the opposite edge N output terminals, and between said two edges, a plurality of stages of individual connection devices each having two inputs and two outputs, the two inputs of a device being electrically connected to the two outputs of said device firstly by two direct connections and secondly by two crossed-over branch connections, the inputs of the devices of the first stage being electrically connected directly to input terminals, the outputs of the devices of the last stage being electrically connected directly to the output terminals, and between two successive stages, the outputs of each device of a lower stage are electrically connected to respective inputs of each device of the stage of higher rank. To personalize the wiring, either the direct connections or else the branch connections are interrupted in each of the devices.Type: GrantFiled: May 2, 2005Date of Patent: January 6, 2009Assignees: Labinal, Airbus FranceInventors: Michel Dunand, Jean-Jacques Carrillo
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Publication number: 20050241852Abstract: The invention relates to wiring in a junction box using a printed circuit panel having on one of its edges N input terminals and on the opposite edge N output terminals, and between said two edges, a plurality of stages of individual connection devices each having two inputs and two outputs, the two inputs of a device being electrically connected to the two outputs of said device firstly by two direct connections and secondly by two crossed-over branch connections, the inputs of the devices of the first stage being electrically connected directly to input terminals, the outputs of the devices of the last stage being electrically connected directly to the output terminals, and between two successive stages, the outputs of each device of a lower stage are electrically connected to respective inputs of each device of the stage of higher rank. To personalize the wiring, either the direct connections or else the branch connections are interrupted in each of the devices.Type: ApplicationFiled: May 2, 2005Publication date: November 3, 2005Applicants: LABINAL, Airbus FranceInventors: Michel Dunand, Jean-Jacques Carrillo
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Patent number: 6914190Abstract: A modification system for modifying a tightly-braided electrical harness including at least one conductor cable bundle surrounded by a tight braid. The modification system includes: at least one modification conductor element constituted by at least one conductor cable surrounded by a shielding braid; and at least one spare sheath portion comprising a flexible tube portion mounted in part inside the braid of said harness in such a manner that a first end of said tube extends beyond the end of said harness braid and that the second end of the tube is external to said harness braid, passing through it, at least said portion of the tube that is external to the harness braid being surrounded by a tight braid.Type: GrantFiled: January 28, 2004Date of Patent: July 5, 2005Assignee: LabinalInventors: Michel Dunand, Sébastien Guerrero
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Publication number: 20040256136Abstract: A modification system for modifying a tightly-braided electrical harness comprising at least one conductor cable bundle surrounded by a tight braid.Type: ApplicationFiled: January 28, 2004Publication date: December 23, 2004Applicant: LABINALInventors: Michel Dunand, Sebastien Guerrero
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Patent number: 5414215Abstract: A high frequency electric cable including at least one inner electrical conductor comprising a twisted strand of conductive wires, wherein a metal tape is taped with overlap around said strand. The overlapping metal tape is used to provide a low linear attenuation and to provide good mechanical strength.Type: GrantFiled: January 27, 1993Date of Patent: May 9, 1995Assignee: FilotexInventors: Michel Dunand, Francois Vaille
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Patent number: 5235299Abstract: A low loss coaxial cable has a central supporting rod of plastic, covered in metal and forming the inner conductor or core of the coaxial cable. An intermediate insulation made of a dielectric material surrounds the inner conductor and an outer metal conductor surrounds the intermediate insulation. The central rod is made of polytetrafluoroethylene (PTFE) having a relative density greater than or equal to 1.6. The intermediate insulation has a relative density less than 1.2 and the ratio of the density of the dielectric constituting the intermediate insulation divided by the density of the PTFE constituting the rod lies in the range of 0.15 to 0.75.Type: GrantFiled: March 20, 1992Date of Patent: August 10, 1993Assignee: FilotexInventors: Francois Vaille, Michel Dunand