Patents Assigned to Renault s.a.s.
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Publication number: 20240001808Abstract: A device for electrically powering an electric motor of a motor vehicle includes first energy source, a second energy source, and a memory module in which is stored a value of a maximum operating power that can be provided by the second energy source. This maximum operating power value is a function of the cooling capacity of the second energy source.Type: ApplicationFiled: November 22, 2021Publication date: January 4, 2024Applicant: RENAULT S.A.SInventor: David GERARD
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Publication number: 20240001786Abstract: A battery charger is for a motor vehicle that includes a primary electrical power converter and a secondary electrical power converter connected by a transformer. The charger includes: a compensating primary electrical power converter, having a high-frequency switching stage connected at the output to the transformer; a filter capacitor connected between two input terminals of the high-frequency switching stage of the compensating primary converter; a compensating secondary electrical power converter connected to the compensating primary converter via the transformer; and a switchable storage capacitor connected between the two input terminals of the high-frequency switching stage of the compensating primary converter. The compensating secondary electrical power converter and the high-frequency switching stage of the primary compensation converter charge or discharge the storage capacitor as a function of an instantaneous power setpoint.Type: ApplicationFiled: November 19, 2021Publication date: January 4, 2024Applicant: RENAULT S.A.SInventor: Serge LOUDOT
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Patent number: 11852497Abstract: A method detects false positives of an image-processing device of a camera located on-board a vehicle and that delivers data for modelling a marking line. The method includes: determining a first distance from the vehicle to the marking line at a first instant in time, determining a second distance from the vehicle to the marking line at a second instant, computing an initial discontinuity, in which an initial discontinuity equal to the absolute value of the difference between the first distance and the second distance is computed, and detecting a false initial-discontinuity positive, in which the initial discontinuity is compared to a predefined initial low threshold.Type: GrantFiled: July 8, 2019Date of Patent: December 26, 2023Assignees: Renault s.a.s., NISSAN MOTOR CO., LTD.Inventor: Thibault Rohrbach
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Patent number: 11853947Abstract: A vehicle dispatching method is provided for managing a dispatch to a user of a first vehicle reserved by a user as a dispatch vehicle or a second vehicle that can be dispatched to a scheduled boarding point in which the user boards the dispatch vehicle, using a controller for communicating with communication devices in the first vehicle and the second vehicle.Type: GrantFiled: April 17, 2020Date of Patent: December 26, 2023Assignees: Nissan Motor Co., Ltd., Renault S.A.S.Inventors: Yoshitaka Takagi, Yutaka Mikuriya, Masahide Nakamura
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Publication number: 20230407966Abstract: An assembly actuates two fork shafts of a gearbox which includes two rotating actuators and a system for interlocking with a first lever which supports a drive finger of a first fork and a cam the profile of which comprises a notch for locking the first lever; a second lever which supports a drive finger of a second fork and a cam the profile of which comprises a second notch for locking the second lever; and a pivoting interlocking rocker which supports a locking pin that is able to interact with one or other of the two locking notches in order to angularly lock the associated lever when the other lever is actuated in order to engage a gear ratio.Type: ApplicationFiled: November 4, 2021Publication date: December 21, 2023Applicant: RENAULT S.A.SInventors: Fabien GAILLIARD, Salim SAHRAOUI
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Publication number: 20230412062Abstract: A resonant power conversion device includes: a main circuit provided with a semiconductor switch, a capacitor and an inductor connected in series or parallel to the semiconductor switch; and a drive circuit configured to drive the switching element. The switching element enters an off-state or an on-state depending on a control voltage input to a gate terminal, and the drive circuit includes two or more types of control voltages, as a control voltage at which the switching element enters an off-state.Type: ApplicationFiled: November 6, 2020Publication date: December 21, 2023Applicants: Nissan Motor Co., Ltd., RENAULT S.A.S.Inventors: Taku Shimomura, Keiichiro Numakura, Akinori Okubo
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Publication number: 20230411516Abstract: A semiconductor device includes: a substrate; a source region formed on a main surface of the substrate; a well region electrically connected to the source region; a drift region in contact with the well region; a drain region in contact with the drift region; a first electrode electrically connected to the source region; a second electrode electrically connected to the drain region; a third electrode formed in contact with the source region, the well region, and the drift region through an insulating film; and a parasitic capacitance reduction region formed in contact with the source region and in contact with the third electrode through the insulating film and having a higher resistance value than that of the source region.Type: ApplicationFiled: November 9, 2020Publication date: December 21, 2023Applicants: Nissan Motor Co., Ltd., RENAULT S.A.S.Inventors: Toshiharu Marui, Tetsuya Hayashi, Keiichiro Numakura, Wei Ni, Ryota Tanaka, Yuichi Iwasaki
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Publication number: 20230411775Abstract: An energy storage device includes a set of electrochemical modules and a housing enclosing the modules. The housing includes a double-walled structure. Each module includes electrochemical cells and an enclosure surrounding the electrochemical cells. The enclosure is provided with at least one weak zone capable of discharging gases contained inside the module. The structure includes an inner wall, an outer wall, and at least one chamber defined between the inner wall and the outer wall. The inner wall is provided with a set of openings positioned opposite the at least one weak zone of each module and the outer wall is provided with at least one discharge opening.Type: ApplicationFiled: October 11, 2021Publication date: December 21, 2023Applicants: RENAULT S.A.S, NISSAN MOTOR CO., LTD.Inventors: Masato ORIGUCHI, Natalie RAT
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Publication number: 20230402643Abstract: A structural electrochemical storage assembly for a motor vehicle includes an electrochemical energy storage device including at least a group of two banks of solid electrochemical storage elements, the banks being superposed on top of one another, and at least one piece made of compressible material, which is positioned and compressed between the at least two superposed banks of electrochemical storage elements, and a beam including two profile sections hollowed out and open on one of their faces and assembled with one another via their respective open face and along their respective edges, the profile sections containing the device of the at least two superposed banks of electrochemical storage elements, and the two profiled elements being dimensioned and assembled so as to keep the piece of compressible material that is positioned between the two superposed electrochemical banks compressed.Type: ApplicationFiled: November 22, 2021Publication date: December 14, 2023Applicant: RENAULT S.A.SInventors: David LERAY, Thierry TOURRET
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Patent number: 11842644Abstract: A commercial vehicle operation system is provided with a server that can respectively communicate with a vehicle terminal of a commercial vehicle and with a user terminal owned by a user via a communication network. The server includes a communication unit, a vehicle operation information management unit that acquires and manages vehicle operation information including at least current location information of the commercial vehicle, and a roaming travel execution determination unit that determines whether to carry out roaming travel based on current location information of the commercial vehicle.Type: GrantFiled: June 13, 2019Date of Patent: December 12, 2023Assignees: Nissan Motor Co., Ltd., Renault S.A.S.Inventors: Satoru Hirose, Hiroya Fujimoto
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Patent number: 11840151Abstract: A device for encapsulating a battery includes an enclosure including a casing and a cover and forming a housing for receiving the battery, a circuit breaker arranged in the enclosure, and an actuating element of the circuit breaker arranged outside the enclosure or partially outside the enclosure.Type: GrantFiled: June 4, 2018Date of Patent: December 12, 2023Assignee: Renault s.a.s.Inventor: Frederic Chaillie
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Patent number: 11841980Abstract: An information output device includes: an event detection unit that detects an event occurring inside or outside a vehicle; a member identification unit that identifies a person or persons who can perceive the event as a first member; an event storage unit that stores event data related to the detected event in association with the first members; and a data output unit that automatically outputs the event data stored in the event storage unit. The member identification unit identifies a person or persons who can view the event data outputted from the data output unit as a second member. The information output device further comprises an output control unit that determines whether the second members include persons other than the first members, and that prohibits the data output unit from automatically outputting the event data upon determining the second members include persons other than the first members.Type: GrantFiled: August 11, 2021Date of Patent: December 12, 2023Assignees: Nissan Motor Co., Ltd., Renault S.A.S.Inventors: Yoshinori Kusayanagi, Takura Yanagi
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Patent number: 11843271Abstract: A power reception control method for a power storage element controls element-receiving electric power received by the power storage element in an electric power system for supplying electric energy to a load group including plural power storage elements. The power reception control method acquires differential electric power by subtracting a current value of total transmitted electric power from a maximum value of the total transmitted electric power that is an available amount to be supplied to the entire load group via an electric power supply base point, calculates a degree of priority of the power storage element in accordance with a numerical value indicating a demand of a user, multiplies the differential electric power by the degree of priority to calculate element differential electric power, and adds the element differential electric power to the previous element-receiving electric power so as to update the element-receiving electric power.Type: GrantFiled: March 22, 2019Date of Patent: December 12, 2023Assignees: NISSAN MOTOR CO., LTD., RENAULT S. A. S.Inventors: Kensuke Murai, Kenta Suzuki, Keigo Ikezoe
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Patent number: 11840226Abstract: A travel control device carries out a travel control for a vehicle based on detected lane boundary lines. A first prescribed position, an absolute vehicle position and an absolute vehicle azimuth angle are stored while changing from a state where the lane boundary lines can be detected to a state where the lane boundary lines cannot be detected. A second prescribed position is stored while changing from a state in which the lane boundary lines cannot be detected to a state in which the lane boundary lines can be detected. The host vehicle is controlled to travel along a travel path connecting the first prescribed position and the second prescribed position where a current absolute position and a current absolute azimuth angle of the host vehicle do not deviate by a prescribed value or more from the stored absolute position and the stored absolute azimuth angle.Type: GrantFiled: November 27, 2020Date of Patent: December 12, 2023Assignees: Nissan Motor Co., Ltd., Renault S.A.S.Inventors: Chikao Tsuchiya, Shoichi Takei
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Publication number: 20230392946Abstract: A device or method selects information items from a plurality of information items which are emitted by transmitters located at a distance from a vehicle, with a view to transmitting the selected information items to at least one system on board the vehicle. The method includes: a) estimating the position of each information item on a map of movement paths in accordance with the absolute position of the information received, b) determining at least one place of interest at which to position the information items which the at least one on-board system wishes to have transmitted, c) selecting, from the information items received, the ones to transmit to the on-board system in accordance with their estimated position on the map and the place of interest.Type: ApplicationFiled: September 23, 2021Publication date: December 7, 2023Applicant: Renault S.A.S.Inventors: Colin AUBE, Cédric BONDIER, Eric PERRAUD, Stéfania SESIA
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Publication number: 20230391406Abstract: A strut cross-member of a motor vehicle includes a central part and two side ends. Each of the ends includes an interface for attachment to the body of the vehicle and an interface for attachment to shock absorber cups. The cross-member is made of cast aluminum.Type: ApplicationFiled: September 28, 2021Publication date: December 7, 2023Applicants: RENAULT S.A.S, NISSAN MOTOR CO., LTD.Inventors: Julien CARRIE, Luis DE ALMEIDA, Edouard GIRAULT
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Publication number: 20230395838Abstract: An in-vehicle fuel cell system, including a fuel cell, and an auxiliary machine configured to exchange a gas with the fuel cell, the in-vehicle fuel system including an auxiliary machine structure configured to accommodate the auxiliary machine, wherein the fuel cell includes a first fuel cell fixed to an upper surface of the auxiliary machine structure and a second fuel cell fixed to a lower surface of the auxiliary machine structure, the auxiliary machine structure is disposed at substantially the same position in a height direction as a skeleton member of a vehicle body, and the first fuel cell and the second fuel cell are fixed to the skeleton member via the auxiliary machine structure.Type: ApplicationFiled: December 10, 2020Publication date: December 7, 2023Applicants: NISSAN MOTOR CO., LTD., RENAULT s.a.s.Inventors: Hiroyuki ISODA, Hayato CHIKUGO, Masahiro USUDA
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Publication number: 20230391399Abstract: A method for controlling the lateral position of a vehicle on a traffic lane includes: a first controlling of the vehicle following a first reference trajectory, alerting the driver if the lateral distance separating the vehicle from the edge of the traffic lane is less than a first threshold, then detecting a command applied to a steering wheel of the vehicle, then a second controlling of the vehicle following a second reference trajectory, the second trajectory being determined depending on the command applied to the steering wheel, and alerting the driver if the lateral distance separating the vehicle from the edge of the traffic lane is less than a second threshold, the second threshold being less than the first threshold.Type: ApplicationFiled: September 23, 2021Publication date: December 7, 2023Applicants: RENAULT S.A.S, NISSAN MOTOR CO., LTD.Inventor: Raphael QUILLIARD
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Publication number: 20230395827Abstract: Provided is a fuel cell system that includes a plurality of fuel cell stacks and an exhaust combustor that combusts exhaust gas. The exhaust combustor is located at least between two fuel cell stacks and adjacent to each of the two fuel cell stacks.Type: ApplicationFiled: December 10, 2020Publication date: December 7, 2023Applicants: NISSAN MOTOR CO., LTD., RENAULT s.a.s.Inventors: Hiroyuki ISODA, Hayato CHIKUGO, Masahiro USUDA
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Patent number: 11839049Abstract: A cooling apparatus including a heat sink to which a heat generating body is joined, a main flow generation device configured to generate a main flow for cooling the heat sink, and an induced flow generation device configured to electrically generate an induced flow. The induced flow generation device is provided to a support member facing the heat sink.Type: GrantFiled: October 5, 2018Date of Patent: December 5, 2023Assignees: NISSAN MOTOR CO., LTD., RENAULT S.A.S.Inventors: Kenta Emori, Jumpei Niida, Shigeharu Yamagami