Patents Assigned to Mazda Motor Corporation
  • Publication number: 20230103611
    Abstract: A laminate having a substrate and a hygroscopic film formed on the surface of the substrate in which the hygroscopic film contains a polysiloxane having a hydrophilic group-containing hydrocarbon group in which the Hansen solubility parameters ?P and ?H may be 3??P?15 and 3??H?40.
    Type: Application
    Filed: January 21, 2021
    Publication date: April 6, 2023
    Applicant: Mazda Motor Corporation
    Inventors: Tetsuya MAEDA, Daiji KATSURA
  • Publication number: 20230106302
    Abstract: There are provided a vehicle-body member provided at a vehicle-body front portion, a bumper-face support member supporting a bumper face in front of the vehicle-body member, and plural brackets fixedly connecting the vehicle-body member and the bumper-face support member. The bracket comprises an inclination portion which is inclined such that a front side thereof is positioned on an inward or outward side, in the vehicle width direction, of the bracket, a high-rigidity portion, at least part of which is positioned at the inclination portion and which is configured to have high rigidity against an input of a load applied in a vehicle longitudinal direction, and a fragile portion which is configured to be deformable by receiving the input of the load applied in the vehicle longitudinal direction. The high-rigidity portion and the fragile portion are provided adjacently to each other in the vehicle longitudinal direction.
    Type: Application
    Filed: August 15, 2022
    Publication date: April 6, 2023
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Kuniyoshi TASHIRO, Masayuki FURUTANI
  • Publication number: 20230105286
    Abstract: A bumper-face support member extending in a vehicle width direction in front of a vehicle-body member provided at a vehicle-body front portion and having an attachment portion where a bumper face is attached, plural brackets fixedly connecting the vehicle-body member and the bumper-face support member, a bumper beam extending in the vehicle width direction below the bumper-face support member, and a stay connecting the bumper-face support member and the bumper beam in a vertical direction are provide. The stay has a deformation promotion portion configured to be bent so as to promote deformation of the stay when a collision load is downwardly inputted to the bumper-face support member.
    Type: Application
    Filed: July 13, 2022
    Publication date: April 6, 2023
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Kuniyoshi TASHIRO, Hiroshi MIZUGUCHI
  • Publication number: 20230108393
    Abstract: An exterior panel structure for a vehicle prevents unevenness of an outer surface of an exterior panel material caused by joining of a reinforcing member to the exterior panel. The reinforcing member is joined to the exterior panel material such that rigidity is maintained, thereby keeping dents in the exterior panel material small even when a user presses on the exterior panel material during waxing of the vehicle, or the like. The exterior panel structure includes a door outer panel, a reinforcing member, and a bracket. In the bracket, a joint surface which follows an inner surface of the door outer panel is joined to an outer peripheral edge of the door panel which is separated from the inner surface of the door outer panel in a thickness direction of the door outer panel, and another joint surface is joined to a reinforcing outer peripheral edge of the reinforcing member.
    Type: Application
    Filed: September 9, 2022
    Publication date: April 6, 2023
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Yukihiro MORIYAMA, Eisuke KURAMOTO
  • Publication number: 20230108474
    Abstract: A corrosion-resistance testing method for a coated metal member formed of a metallic substrate provided with a surface treatment coating includes an electrification step for applying a voltage and/or a current between a surface of the surface treatment coating and the metallic substrate while a corrosion factor is in contact with the surface of the surface treatment coating so as to measure a temporal change in a current and/or a voltage occurring between the surface of the surface treatment coating and the metallic substrate, and an evaluation step for evaluating a coating quality of the surface treatment coating based on at least one of a gradient of the temporal change when a value of the current and/or the voltage exceeds a predetermined value, an integrated value of the value of the current and/or the voltage within a predetermined time range, and a time average value of the integrated value.
    Type: Application
    Filed: September 14, 2022
    Publication date: April 6, 2023
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Teruaki ASADA, Katsunobu SASAKI, Tatsuya EZAKI, Tsutomu SHIGENAGA, Akihide TAKAMI
  • Publication number: 20230108074
    Abstract: An exterior panel structure for a vehicle prevents unevenness caused by distortion of an outer surface of the exterior panel and keeps dents small even when a user presses the exterior panel from the outside. The exterior panel structure includes the exterior panel, and a reinforcing member having joint sections and coupling sections. The joint sections are separated from each other along an inner surface of the exterior panel, and each is joined to the inner surface of the exterior panel. The coupling section follows the inner surface of the exterior panel and couples the adjacent joint sections. The inner surface of the exterior panel and the coupling section abut each other when a pressing force equal to or larger than a specified value is applied inward in a thickness direction of the exterior panel from an outer surface of the exterior panel, and are otherwise separated from each other.
    Type: Application
    Filed: September 9, 2022
    Publication date: April 6, 2023
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Yukihiro MORIYAMA, Eisuke KURAMOTO
  • Publication number: 20230108997
    Abstract: A corrosion-resistance testing method for a coated metal member formed of a metallic substrate provided with a surface treatment coating includes an electrification step for applying a voltage and/or a current between a surface of the surface treatment coating and the metallic substrate in a state where a corrosion factor is in contact with the surface of the surface treatment coating so as to measure a temporal change in a current and/or a voltage occurring between the surface of the surface treatment coating and the metallic substrate, and an evaluation step for evaluating a defect occurrence status of the surface treatment coating based on a waveform of the temporal change.
    Type: Application
    Filed: September 14, 2022
    Publication date: April 6, 2023
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Teruaki ASADA, Katsunobu SASAKI, Tatsuya EZAKI, Tsutomu SHIGENAGA, Akihide TAKAMI
  • Patent number: 11618504
    Abstract: There is provided a bracket which connects an apron reinforcement provided below a bonnet and an upper portion of a fender provided on an outward side, in a vehicle width direction, of the bonnet. The bracket comprises a fender fixing portion fixed to a flange portion of an upper end portion of the fender, a body portion extending downwardly from the fender fixing portion and positioned on the outward side of the apron reinforcement, and an apron-reinforcement fixing portion extending from an inward side, in the vehicle width direction, of the body portion toward the apron reinforcement and fixed to the apron reinforcement. The body portion is provided with a curved part which is configured to be curved outwardly in the vehicle width direction.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: April 4, 2023
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Kuniyoshi Tashiro, Shigeaki Watanabe, Ryuichi Takahashi, Masatoki Kito, Susumu Kuroda, Reiko Yoshiura, Tomohiro Shimada, Kazumichi Takeshige, Qiang Wang, Toshihiro Nakaza, Satoru Eguchi, Hayato Miyazaki
  • Patent number: 11622250
    Abstract: An in-vehicle network system includes an upper device, a first intermediate device, and a first lower device. The first intermediate device includes a first communication unit and a second communication unit that are arranged redundantly and that have a communication function. The first intermediate device is configured to communicate with the upper device via a plurality of communication paths. The first lower device is connected to the first communication unit and the second communication unit of the first intermediate device.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: April 4, 2023
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, MAZDA MOTOR CORPORATION
    Inventors: Takahiro Hirano, Tetsuhiro Yamashita, Yoshimasa Kurokawa
  • Patent number: 11618304
    Abstract: A hinge reinforcement comprises a reinforcement face portion which faces a door-hinge attachment face portion, an inside connection portion which longitudinally extends in a direction approaching a door center from an inside end portion, in a vehicle width direction, of the reinforcement face portion and is fixed to a door inside face portion, a first joint portion which longitudinally extends in the direction approaching the door center from the reinforcement face portion and is fixed to an impact bar, and a second joint portion which longitudinally extends in a direction away from the door center from an outside end portion, in the vehicle width direction, of the reinforcement face portion and is fixed to a door flange portion.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: April 4, 2023
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Reiko Tokuno, Shinsuke Hirao, Masahiro Nakashige
  • Patent number: 11618399
    Abstract: A shock absorbing member is provided having a sequential destruction capability and protection against electrolytic corrosion on fastening-fixing portions thereof to be fastened to a bumper reinforcement or a vehicle body. Embodiments include a shock absorbing member between a bumper reinforcement and a vehicle body, including a distal end portion fastened to the bumper reinforcement; a base end flange portion fastened to the vehicle body; and an absorbing member body extending in a vehicle front-rear direction and connecting the distal end portion and the base end flange portion. The absorbing member body includes a carbon fiber-glass reinforced plastic layer. Fastening-fixing portions of the distal end portion and the base end flange portion are composed of glass fiber reinforced plastic layers.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: April 4, 2023
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Taiki Yotsuyanagi, Tsuyoshi Nishihara, Ryo Shimoda, Chikara Kawamura, Tsuneki Shimanaka, Kota Yoshida
  • Publication number: 20230094086
    Abstract: A vehicle-body structure includes a first floor panel constituting a floor of an occupant space, a dash panel, a second floor panel provided on a vehicle rear side of the occupant space, a connection panel connecting a rear portion of the first floor panel and a front portion of the second floor panel, and a center frame disposed to be higher than and away from the first floor panel at a vehicle-width-direction central portion of the occupant space and extending in a front-rear direction. A front portion of the center frame is connected to the dash panel. A rear portion of the center frame is connected to the connection panel.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 30, 2023
    Applicant: Mazda Motor Corporation
    Inventors: Takuma INAMI, Nobuyuki NAKAYAMA, Hiroyuki BABA
  • Publication number: 20230099466
    Abstract: To suppress deformation of a vehicle cabin by efficiently absorbing an impact load obliquely from a vehicle front side, a vehicle-body front structure includes an upper-side cross member, a lower-side cross member, upper-side impact absorption members that support respective ones of both vehicle-width-direction sides of the upper-side cross member, and lower-side impact absorption members that support respective ones of both vehicle-width-direction sides of the lower-side cross member. The upper-side impact absorption members and the lower-side impact absorption members are each positioned farther on a vehicle-width-direction outer side at a position farther on a vehicle front side.
    Type: Application
    Filed: September 9, 2022
    Publication date: March 30, 2023
    Applicant: Mazda Motor Corporation
    Inventors: Takuma INAMI, Nobuyuki NAKAYAMA, Hiroyuki BABA, Mitsuru WAKABAYASHI, Koji MIYAMOTO, Masaki MOTOKI, Manabu TATSUDA
  • Publication number: 20230103246
    Abstract: An electric-vehicle-body structure includes a floor panel constituting a floor of an occupant space, a center frame disposed to be higher than and away from the floor panel at a vehicle-width-direction central portion of the occupant space, extending in a front-rear direction, and including a bend portion at an intermediate portion, and a connecting member connecting the bend portion to the floor panel.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 30, 2023
    Applicant: Mazda Motor Corporation
    Inventors: Takuma INAMI, Nobuyuki NAKAYAMA, Hiroyuki BABA
  • Publication number: 20230099783
    Abstract: To suppress vibration and noise due to load input from a rear suspension device, a left-side load input portion that is fixed to a left-side rear-side frame and to which a load from a rear suspension device is input, and a right-side load input portion that is fixed to a right-side rear-side frame and to which a load from a rear suspension device is input are provided. A cross member is provided at a position lower than the left-side load input portion and the right-side load input portion to which loads from the rear suspension devices are input. The cross member and the left-side load input portion are connected through a left-side rear connection frame. The cross member and the right-side load input portion are connected through a right-side rear connection frame.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 30, 2023
    Applicant: Mazda Motor Corporation
    Inventors: Takashi HIRAKAWA, Hideaki HOSHUYAMA, Tsuneki SHIMANAKA, Nobuyuki NAKAYAMA
  • Publication number: 20230095674
    Abstract: A vehicle-body structure increases comfort inside a vehicle cabin and improves vehicle-body stiffness. A battery housing portion in which a battery is housed and a battery non-housing portion in which the battery is not housed are provided alongside in a vehicle front-rear direction below the vehicle cabin. A second frame portion disposed at the battery non-housing portion is larger than a first frame portion disposed at the battery housing portion in a vehicle width direction.
    Type: Application
    Filed: September 7, 2022
    Publication date: March 30, 2023
    Applicant: Mazda Motor Corporation
    Inventors: Takuma INAMI, Nobuyuki NAKAYAMA, Hiroyuki BABA, Hiroshi TANAKA
  • Publication number: 20230101665
    Abstract: A vehicle-body structure both protects a battery and provides a routing member below a floor panel that improves underfloor aerodynamic performance. Embodiments of a vehicle-body structure may include: a routing member that extends in a vehicle front-rear direction on a vehicle-width-direction outer side of a battery frame below a floor panel; a cover member that extends from a lower side of a battery to a lower side of the routing member; battery-frame fixation portions that fix the battery frame to side sills; and cover-member fixation portions that fix a vehicle-width-direction end portion of the cover member to the side sills. The routing member and the battery-frame fixation portions may be positioned on a vehicle-width-direction inner side of the cover-member fixation portions.
    Type: Application
    Filed: September 7, 2022
    Publication date: March 30, 2023
    Applicant: Mazda Motor Corporation
    Inventors: Takuma INAMI, Nobuyuki NAKAYAMA, Hiroyuki BABA, Hiroshi TANAKA
  • Publication number: 20230101421
    Abstract: To increase the stiffness of a floor panel while maintaining a large foot space for a rear-seat passenger. A vehicle-body structure includes a floor panel constituting a floor provided with front-row and rear-row seats, and a center frame disposed to be higher than and away from the floor panel at a vehicle-width-direction central portion and extending in a vehicle front-rear direction. A recessed portion having a bottom surface on which the feet of a passenger sitting on the rear-row seat can be placed is formed at the floor panel. The floor panel includes a cross member extending in a vehicle width direction at a rear portion of the recessed portion. A rear portion of the center frame is connected to the cross member.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 30, 2023
    Applicant: Mazda Motor Corporation
    Inventors: Takuma INAMI, Nobuyuki NAKAYAMA, Hiroyuki BABA, Takashi HIRAKAWA, Hideaki HOSHUYAMA, Takayuki KIMURA, Takehiro KAMEI
  • Publication number: 20230101843
    Abstract: A vehicle-body structure prevents a submarine phenomenon of a passenger during a front-end collision and achieves lowering of the vehicle floor-height while maintaining a sufficient number of mounted batteries. Embodiments of a vehicle-body structure include a seat pan that is formed at part of a floor panel and on which a seat cushion is placed, and a battery arranged below the seat pan. A bulging portion that bulges upward is formed at a vehicle front-side of the seat pan. An accessory member is housed inside the bulging portion. An upper-end portion of the accessory member housed in the bulging portion 4 is positioned farther on the upper-side than a lower-end portion of the bulging portion 48a.
    Type: Application
    Filed: September 7, 2022
    Publication date: March 30, 2023
    Applicant: Mazda Motor Corporation
    Inventors: Takuma INAMI, Nobuyuki NAKAYAMA, Hiroyuki BABA, Hiroshi TANAKA
  • Publication number: 20230094517
    Abstract: To increase an effect of absorbing an impact load from a vehicle front side. A vehicle-body structure includes a left-side suspension support member supporting a front suspension, a center frame disposed higher than and away from a floor panel at a vehicle-width-direction central portion of an occupant space and extending in a vehicle front-rear direction, a left-side front frame connected to a front portion of the center frame and extending to the left-side suspension support member, a right-side front frame connected to the front portion of the center frame and extending to a right-side suspension support member, and a connection member that connects the floor panel and at least one of a rear portion of the left-side front frame, a rear portion of the right-side front frame, and the front portion of the center frame.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 30, 2023
    Applicant: Mazda Motor Corporation
    Inventors: Takuma INAMI, Nobuyuki NAKAYAMA, Hiroyuki BABA, Hiroaki FUJII