Patents by Inventor Stephane Leonard
Stephane Leonard 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: 11852065Abstract: The invention relates to an attachment device (1) for a module for dispensing an aqueous solution contained in a tank on board a motor vehicle.Type: GrantFiled: June 1, 2020Date of Patent: December 26, 2023Assignee: Plastic Omnium Advanced Innovation and ResearchInventors: Franck Dhaussy, Stephane Leonard, Laurent Duez, Simon Jeanneteau, Franck Lecrivain, Yann Sinault
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Publication number: 20230383704Abstract: A method of controlling water injection in an internal combustion engine for a motor vehicle in case of freezing cold weather. The method includes: controlling the quality of the water, having a first sub-step of disapproving the quality of the water if the electrical conductivity ? of the water is not zero nor close to zero when the temperature T of the water is 0° C. or less and a second sub-step of approving the quality of the water if the electrical conductivity ? of the water is zero or close to zero when the temperature T of the water is higher than ?4° C., preferably higher than ?2° C. The method further includes a second sub-step of preventing water injection if the quality of the water is disapproved and a third step of allowing water injection if the quality of the water is approved.Type: ApplicationFiled: October 29, 2021Publication date: November 30, 2023Applicant: PLASTIC OMNIUM ADVANCED INNOVATION AND RESEARCHInventors: Laurent DUEZ, Stéphane LEONARD
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Patent number: 11623881Abstract: The present invention relates to a heater for a vehicle system for injecting anaqueous solution in an air intake line upstream of a combustion chamber of aninternal combustion engine, or in the combustion chamber of the internal combustion engine, said heater comprising at least one flexible part which comprises at least one metallic resistive track embedded in an insulating material, said insulating material comprising at least one antimicrobial compound and/or being coated by at least one layer containing at least one antimicrobial compound. The invention relates also to a vehicle system for injecting an aqueous solution in an air intake line upstream of a combustion chamber of an internal combustion engine, or in the combustion chamber of the internal combustion engine comprising said heater.Type: GrantFiled: March 19, 2019Date of Patent: April 11, 2023Assignee: PLASTIC OMNIUM ADVANCED INNOVATION AND RESEARCHInventors: Laurent Duez, Arthur Relave-Noiray, Stephane Leonard, Pierre De Keyzer, Beatriz Monge-Bonini
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Patent number: 11454197Abstract: A system for injecting an aqueous solution into an injection engine, includes: a tank for an aqueous solution, a circuit for supplying aqueous solution to the tank and a filter for filtering the aqueous solution, and a circuit for recirculating the aqueous solution. The injection system also includes recirculation of the aqueous solution, and is provided with an electrovalve including a first inlet connected to a filler neck of the tank, a second inlet connected to the recirculation circuit, and an outlet connected to the supply circuit. The filtration filter is arranged in the supply circuit and/or in the recirculation circuit.Type: GrantFiled: January 29, 2019Date of Patent: September 27, 2022Assignee: Plastic Omnium Advanced Innovation and ResearchInventors: Franck Dhaussy, Stephane Leonard, Laurent Duez, Pierre Oszwald
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Patent number: 11415085Abstract: The present invention relates to a vehicle system (80) configured for injecting an aqueous solution in an air intake line (12) upstream of a combustion chamber (14) of an internal combustion engine, or in the combustion chamber (14) of the internal combustion engine, said vehicle system (80) comprising the following constituents: ?a tank (16) to store an aqueous solution; ?a pump (18); ?an air intake line (12) upstream of a combustion chamber (14) of an internal combustion engine; ?one or more injectors (20) configured for injecting aqueous solution in the air intake line (12), in the combustion chamber (14) or both; ?a feed line (22) configured in for feeding said injector (20) with aqueous solution pumped by the pump (18). In the vehicle system, at least a portion of at least one of the vehicle system constituents (16, 18, 12, 20, 22) or of a tank (16) component (24) is made of a polymer material.Type: GrantFiled: July 4, 2018Date of Patent: August 16, 2022Assignee: PLASTIC OMNIUM ADVANCED INNOVATION AND RESEARCHInventors: Pierre De Keyzer, Laurent Duez, Stephane Leonard, Arthur Relave-Noiray, Beatriz Monge-Bonini
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Publication number: 20220195905Abstract: The invention relates to an attachment device (1) for a module for dispensing an aqueous solution contained in a tank on board a motor vehicle.Type: ApplicationFiled: June 1, 2020Publication date: June 23, 2022Applicant: Plastic Omnium Advanced Innovation and ResearchInventors: Franck DHAUSSY, Stephane LEONARD, Laurent DUEZ, Simon JEANNETEAU, Franck LECRIVAIN, Yann SINAULT
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Publication number: 20210148308Abstract: The present invention relates to a vehicle system (80) configured for injecting an aqueous solution in an air intake line (12) upstream of a combustion chamber (14) of an internal combustion engine, or in the combustion chamber (14) of the internal combustion engine, said vehicle system (80) comprising the following constituents: ?a tank (16) to store an aqueous solution; ?a pump (18); ?an air intake line (12) upstream of a combustion chamber (14) of an internal combustion engine; ?one or more injectors (20) configured for injecting aqueous solution in the air intake line (12), in the combustion chamber (14) or both; ?a feed line (22) configured in for feeding said injector (20) with aqueous solution pumped by the pump (18). In the vehicle system, at least a portion of at least one of the vehicle system constituents (16, 18, 12, 20, 22) or of a tank (16) component (24) is made of a polymer material.Type: ApplicationFiled: July 4, 2018Publication date: May 20, 2021Applicant: PLASTIC OMNIUM ADVANCED INNOVATION AND RESEARCHInventors: Pierre DE KEYZER, Laurent DUEZ, Stephane LEONARD, Arthur RELAVE-NOIRAY, Beatriz MONGE-BONINI
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Patent number: 10989148Abstract: A vehicle system storing an aqueous solution includes: a first compartment; a second compartment; a module that includes a feed pump unit connected for pumping aqueous solution from the first compartment to a feed outlet; and a jet pump having a suction inlet, a pressure inlet and an outlet. The feed pump unit is further connected for pumping aqueous solution along a flow path from the first compartment through the feed pump unit, through the pressure inlet of the jet pump to the outlet of the jet pump. A heater heats the flow path. The suction inlet is connected to a suction line that receives the aqueous solution from the second compartment. The outlet of the jet pump returns aqueous solution from the suction inlet and from the pressure inlet to the first compartment.Type: GrantFiled: November 17, 2017Date of Patent: April 27, 2021Assignee: Plastic Omnium Advanced Innovation and ResearchInventors: Joel Op De Beeck, Franck Dhaussy, Stephane Leonard
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Publication number: 20210078879Abstract: The present invention relates to a heater for a vehicle system for injecting anaqueous solution in an air intake line upstream of a combustion chamber of aninternal combustion engine, or in the combustion chamber of the internal combustion engine, said heater comprising at least one flexible part which comprises at least one metallic resistive track embedded in an insulating material, said insulating material comprising at least one antimicrobial compound and/or being coated by at least one layer containing at least one antimicrobial compound. The invention relates also to a vehicle system for injecting an aqueous solution in an air intake line upstream of a combustion chamber of an internal combustion engine, or in the combustion chamber of the internal combustion engine comprising said heater.Type: ApplicationFiled: March 19, 2019Publication date: March 18, 2021Applicant: PLASTIC OMNIUM ADVANCED INNOVATION AND RESEARCHInventors: Laurent DUEZ, Arthur RELAVE-NOIRAY, Stephane LEONARD, Pierre DE KEYZER, Beatriz MONGE-BONINI
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Patent number: 10941730Abstract: The invention relates to a vehicle system for injecting an aqueous solution, said vehicle system comprising: a tank (500) for storing an aqueous solution; an injection system (300) configured for injecting aqueous solution from the tank (500) in an injection zone (Z) in the vehicle; and a UV light decontamination device (700) configured for decontaminating the aqueous solution stored in the tank (500) by emitting UV light.Type: GrantFiled: September 18, 2017Date of Patent: March 9, 2021Assignee: Plastic Omnium Advanced Innovation and ResearchInventors: Stephane Leonard, Laurent Duez, Beatriz Monge-Bonini, Joel Op De Beeck
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Publication number: 20200406742Abstract: The invention related to a vehicle suction system comprising a compartment (200) for storing an aqueous liquid (L); and a suction line (20) arranged for sucking the aqueous liquid out of the compartment (200); said suction line (20) comprising at least one suction branch and the at least one suction branch being provided with at least two suction orifices (10a, 10b, 10c, 10d) positioned at different positions in the compartment (200); wherein at least one suction orifice is provided with a blocking means (40) configured for blocking at least a part of said suction orifice when the suction orifice is not in the aqueous liquid and for allowing the aqueous liquid to be sucked through the suction orifice when the suction orifice is in the aqueous liquid.Type: ApplicationFiled: December 21, 2018Publication date: December 31, 2020Applicant: Plastic Omnium Advanced Innovation and ResearchInventors: Franck DHAUSSY, Franck LECRIVAIN, Stephane LEONARD, Laurent DUEZ
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Publication number: 20200370515Abstract: A system for injecting an aqueous solution into an injection engine, includes: a tank for an aqueous solution, a circuit for supplying aqueous solution to the tank and a filter for filtering the aqueous solution, and a circuit for recirculating the aqueous solution. The injection system also includes recirculation of the aqueous solution, and is provided with an electrovalve including a first inlet connected to a filler neck of the tank, a second inlet connected to the recirculation circuit, and an outlet connected to the supply circuit. The filtration filter is arranged in the supply circuit and/or in the recirculation circuit.Type: ApplicationFiled: January 29, 2019Publication date: November 26, 2020Applicant: Plastic Omnium Advanced Innovation and ResearchInventors: Franck DHAUSSY, Stephane LEONARD, Laurent DUEZ, Pierre OSZWALD
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Publication number: 20200080520Abstract: A vehicle system storing an aqueous solution that includes a first compartment; a second compartment; a module that includes a feed pump unit connected for pumping aqueous solution from the first compartment to a feed outlet; a jet pump having a suction inlet, a pressure inlet and an outlet; said feed pump unit being further connected for pumping aqueous solution along a flow path from the first compartment through the feed pump unit, through the pressure inlet of the jet pump to the outlet of the jet pump; and a heater that heats the at least said flow path; said suction inlet being connected to a suction line that receives the aqueous solution from the second compartment; said outlet of said jet pump returning aqueous solution from the suction inlet and from the pressure inlet to the first compartment.Type: ApplicationFiled: November 17, 2017Publication date: March 12, 2020Applicant: Plastic Omnium Advanced Innovation and ResearchInventors: Joel OP DE BEECK, Franck DHAUSSY, Stephane LEONARD
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Patent number: 10562391Abstract: An assembly including a plastic container and a component attached to the container with an attachment system, the container having a circular attachment portion. The attachment system includes a ring shaped member including a top flange, a bottom flange and a frustoconical side wall connecting the top flange and the bottom flange, the bottom flange and a portion of the frustoconical side wall being embedded in the attachment portion, the ring shaped member further comprising peripheral tabs; a plurality of engaging claw parts, each engaging claw part being configured to engage a peripheral tab and to press the component against the attachment portion.Type: GrantFiled: November 24, 2015Date of Patent: February 18, 2020Assignee: Plastic Omnium Advanced Innovation and ResearchInventors: Stephane Leonard, Frederic Guignery, Benjamin Janssen
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Patent number: 10369736Abstract: A method for manufacturing a plastic fuel tank including: a) inserting a plastic parison including two distinct parts into an open two-cavity mold; b) inserting a core, bearing at least part of a reinforcing element configured to create a link between the two parison parts, inside the parison; c) pressing the parison firmly against the mold cavities, for example by blowing through the core and/or creating suction behind the cavities; d) fixing the part of the reinforcing element to at least one of the parison parts using the core; e) withdrawing the core; f) closing the mold, bringing its two cavities together to grip the two parison parts around their periphery to weld them together; g) injecting a pressurized fluid into the mold and/or creating a vacuum behind the mold cavities to press the parison firmly against the mold cavities; and h) opening the mold and extracting the tank.Type: GrantFiled: August 17, 2017Date of Patent: August 6, 2019Assignee: Plastic Omnium Advanced Innovation and ResearchInventors: Bjorn Criel, Stephane Leonard, Thierry Ferracin, Frederic Jannot
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Publication number: 20190203664Abstract: The invention relates to a vehicle system for injecting an aqueous solution, said vehicle system comprising: a tank (500) for storing an aqueous solution; an injection system (300) configured for injecting aqueous solution from the tank (500) in an injection zone (Z) in the vehicle; and a UV light decontamination device (700) configured for decontaminating the aqueous solution stored in the tank (500) by emitting UV light.Type: ApplicationFiled: September 18, 2017Publication date: July 4, 2019Applicant: Plastic Omnium Advanced Innovation and ResearchInventors: Stephane LEONARD, Laurent DUEZ, Beatriz MONGE-BONINI, Joel OP DE BEECK
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Patent number: 10337369Abstract: A tank for storing an internal combustion engine exhaust gas liquid additive, the tank including a wall defining an internal volume, an electrical component located in the internal volume, and at least one electric cable configured to connect the electrical component to a voltage source outside the tank, at least one portion of the electric cable being inserted into an intermediate part connected to a base plate mounted over an opening in the wall, the base plate incorporating a casing mounted leaktight around an orifice in the base plate. The intermediate part is fastened by a quick-connect coupling including an electrical connector to which the electric cable is connected leaktight with aid of a seal and that emerges from the orifice in the base plate to outside the tank. The seal is inserted between the intermediate part and the connector and/or into a housing of the intermediate part.Type: GrantFiled: November 21, 2011Date of Patent: July 2, 2019Assignee: Plastic Omnium Advanced Innovation and ResearchInventors: Dominique Madoux, Stephane Leonard, Jules-Joseph Van Schaftingen
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Patent number: 10280920Abstract: The invention relates to a pump (2) intended to pump an additive in an SCR system for a vehicle. The pump is configured to rotate in a first direction of rotation in order to convey additive stored in a tank towards an injector via an injection channel. The pump includes a chamber (23) which houses a gear system (22). The chamber (23) is in fluid communication with the tank and the injection channel via an inlet channel (24) and an outlet channel (25) respectively. The pump is such that the inlet channel and the outlet channel are arranged so that after draining the injection channel, the chamber collects and retains the additive.Type: GrantFiled: November 21, 2014Date of Patent: May 7, 2019Assignee: Plastic Omnium Advanced Innovation and ResearchInventor: Stephane Leonard
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Publication number: 20180351288Abstract: The invention relates to a tank (300) comprising an electrical device (400) attached to a first connector (100), said first connector being adapted for being coupled to a second connector, said first connector comprising a first plastic part (110) and at least one first electrically conductive contact element (121, 122), said at least one first electrically conductive contact element being electrically connected with said electrical device, said second connector comprising a second plastic part and at least one second electrically conductive contact element, said at least one second electrically conductive contact element being configured for being coupled with said at least one first electrically conductive contact element, wherein said first plastic part is adhered along a closed curve extending around the at least one first electrically conductive contact element to a plastic portion inside the tank.Type: ApplicationFiled: November 16, 2016Publication date: December 6, 2018Applicant: Plastic Omnium Advanced Innovation and ResearchInventors: Stephane LEONARD, Frederic JANNOT, Renaud BONZOM
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Patent number: 10139130Abstract: Urea tank and base plate with an integrated heating element in which the heating element comprising at least one resistive track affixed to one flexible film and/or placed between two flexible films.Type: GrantFiled: February 4, 2016Date of Patent: November 27, 2018Assignee: Plastic Omnium Advanced Innovation and ResearchInventors: Vincent Potier, Stéphane Leonard, Joël Op De Beeck, François Dougnier, Nadja Walling, Larry Tipton, Volodia Naydenov