Patents Assigned to Mazda Motor Corporation
  • Publication number: 20220250558
    Abstract: An on-vehicle network system includes, for each of a plurality of zones (Z) defined in a vehicle (10), a zone ECU (31), a power distributor (21) connected to an on-board battery (20), and a plurality of electronic devices (D) supplied with power from the power distributor (21) via a common power supply line (PC). The plurality of electronic devices (D) include at least one first electronic device and at least one second electronic devices unused simultaneously. In operation of one of the first or second electronic devices, the zone ECU (31) shuts off power supply to the other of the electronic devices.
    Type: Application
    Filed: March 13, 2020
    Publication date: August 11, 2022
    Applicant: Mazda Motor Corporation
    Inventors: Yoshimasa KUROKAWA, Tetsuhiro YAMASHITA
  • Patent number: 11407025
    Abstract: A casting apparatus for a cylinder block prevents deformation of a core pin and a cast passage formed by the core pin due to impact of molten metal when casting. Embodiments include a first side mold having a first core pin, a second side mold having a second core pin, a third mold having a molten metal inlet, and a metal dowel. The molten metal inlet is disposed so the inflow direction of molten metal intersects the axial direction of the first and second core pins, which are butted against each other at mold clamping and constitute a core for forming a main gallery for lubricant. The metal dowel is disposed between the molten metal inlet and a butt portion between the first and second core pins so that the butt portion is covered by the metal dowel from the upstream side in the inflow direction of the molten metal.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: August 9, 2022
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Daichi Sasaki, Masatoshi Juri
  • Patent number: 11411266
    Abstract: A vehicle battery pack capable of improving distributivity of a refrigerant to a plurality of battery modules. A vehicle battery pack includes battery modules that are arranged in alignment in a vehicle width direction; two cooling pipes that cool the battery modules when being supplied with the refrigerant; and a flow divider that divides and supplies the refrigerant to the two cooling pipes. The flow divider is arranged between two battery modules in the vehicle width direction.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: August 9, 2022
    Assignees: MAZDA MOTOR CORPORATION, JAPAN CLIMATE SYSTEMS CORPORATION
    Inventors: Shintaro Harugaichi, Satoshi Yamamoto, Kazuo Iwata, Yu Yan, Kohei Fukawatase, Hiroshi Torigoe, Motoaki Iwanari
  • Publication number: 20220247597
    Abstract: An on-board network system includes an arithmetic unit and a plurality of control devices connected to the arithmetic unit via a communication network. The communication network is configured such that each of the control devices are communicative with the arithmetic unit and/or other one(s) of the control devices via at least two communication paths. In each of the communication paths, a priority order of communications is determined according to a type of communication data. If a communication disturbance is detected in one of the communication paths, the arithmetic unit or one(s) of the control devices adjusts the traffic of the communication data in accordance with the priority of the other one of the communication paths.
    Type: Application
    Filed: March 11, 2020
    Publication date: August 4, 2022
    Applicant: Mazda Motor Corporation
    Inventors: Yoshimasa KUROKAWA, Tetsuhiro YAMASHITA
  • Publication number: 20220242316
    Abstract: A vehicle information display device 100 includes: an environment determination unit (115) that predicts an occurrence of a backward movement of a vehicle based on an output from an environment information acquisition unit, an image processing unit (121) that receives an image captured by a camera and generates an image to be displayed on a display screen, and a display switching unit that switches a display of a monitor screen provided in a vehicle in accordance with a traveling status of the vehicle. When the environment determination unit (115) predicts an occurrence of a backward movement, the image processing unit (121) starts image processing for the backward movement in advance, and When the user performs the backward movement operation, the output image from the image processing unit is displayed on the display screen.
    Type: Application
    Filed: March 16, 2020
    Publication date: August 4, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventor: Daisuke HAMANO
  • Publication number: 20220247400
    Abstract: A predriver circuit that controls driver elements includes a slope control circuit that separately controls inclination of slope of current from the driver elements, and inclination of slope of voltage from a driver circuit. A controller outputs, to the predriver circuit, a current control signal selected from a plurality of current control signals and a voltage control signal selected from a plurality of voltage control signals, to control the slope of current from the driver elements and the slope of voltage from the driver circuit.
    Type: Application
    Filed: January 26, 2022
    Publication date: August 4, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Norihisa FUJII, Masahito SONEHARA
  • Publication number: 20220242426
    Abstract: The present disclosure includes device controllers that output control signals to in-vehicle devices based on a target motion set by a target motion setter based on input from the sensors, and a device failure diagnostic unit provided between the device controllers and the in-vehicle devices in a communication path of an arithmetic unit, in which the device failure diagnostic unit has a device diagnostic table in which the in-vehicle devices associated with each function are specified for each function of the vehicle, and diagnoses a failure of the in-vehicle devices based on output of the in-vehicle devices and the device diagnostic table.
    Type: Application
    Filed: March 13, 2020
    Publication date: August 4, 2022
    Applicant: Mazda Motor Corporation
    Inventors: Yoshimasa KUROKAWA, Tetsuhiro YAMASHITA
  • Publication number: 20220243507
    Abstract: There are provided a hinge arm having a lever and a rotational axis to rotate the lever so as to be projected from the door panel, and a driving unit to transmit a drive force to the hinge arm so as to project the lever from the door panel. The driving unit comprises a motor and an output axis connected to the motor and the hinge arm so as to transmit a motor output to the hinge arm in a region from a storage position to an open position, wherein the drive force is transmitted from the motor to the hinge arm via the output axis when the lever is moved from the storage position to a gripping position and the drive force is transmitted from the hinge arm to the motor via the output axis when the lever is moved from the open position to the gripping position.
    Type: Application
    Filed: October 14, 2021
    Publication date: August 4, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Yukihiro MORIYAMA, Eisuke KURAMOTO
  • Publication number: 20220243506
    Abstract: There are provided a hinge arm with a lever and a driving unit to transmit a drive force to the hinge arm. The lever is configured to be rotatable among a storage position where the lever is flush with a door panel, a gripping position where a whole part of a design surface of the lever is projected from the door panel by the driving unit so that a user is able to grip the lever, and an open position where the lever is further projected from the gripping position. The lever is attached to the hinge arm in a swingable manner such that at least a part of the lever is projected from the door panel by pushing one end of the lever when the lever takes the storage position.
    Type: Application
    Filed: October 14, 2021
    Publication date: August 4, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Yukihiro MORIYAMA, Eisuke KURAMOTO
  • Publication number: 20220245550
    Abstract: A method of supporting the centralized management of batteries of a plurality of vehicles. Vehicle information including vehicle identification information, vehicle position information, and battery voltage information is acquired from the vehicles. A plurality of sub-areas are set in a vehicle storage area. Vehicles in need of charging are extracted. A terminal device indicates first display that indicates decision information regarding the vehicles in need of charging in each of the plurality of sub-areas. The terminal device indicates second display that indicates vehicle identification information and vehicle position information regarding the vehicles in need of charging in a management sub-area when a predetermined operation is performed in the terminal device.
    Type: Application
    Filed: December 23, 2021
    Publication date: August 4, 2022
    Applicant: Mazda Motor Corporation
    Inventor: Hitoshi NAKATA
  • Publication number: 20220242378
    Abstract: A braking control system includes control circuitry configured to control first and second brakes in a vehicle. The control circuitry is configured to calculate a target braking force in accordance with the operation amount of a brake pedal by a driver, determine a first braking force and a second braking force based on the target braking force, and control each of the first and second brakes such that each of the determined braking forces is generated in the vehicle. The first and second braking forces are determined such that a sum of the first and second braking forces becomes the target braking force and a pitch behavior specified by a preset pitch behavior model occurs in the vehicle.
    Type: Application
    Filed: January 24, 2022
    Publication date: August 4, 2022
    Applicant: Mazda Motor Corporation
    Inventors: Akira HASHIZAKA, Masahiro NAGOSHI, Norihira WAKAYAMA, Shinichi KAIHARA, Masakazu TAKADA, Kentaro WATANABE, Yuji NAKANO, Hirotaka MOCHIZUKI, Akira TSUDA, Naoki TSUKAMOTO
  • Publication number: 20220243505
    Abstract: A lever is configured to be rotatable around a rotational support axis among a storage position where the lever is flush with a door outer panel, a gripping position where the lever is projected from the door outer panel by driving of a driving unit so that a user is able to grip the lever, and an open position where the lever is further projected from said gripping position. The driving unit is fixed in an opposite area of a hinge arm which is opposite, relative to the rotational support axis, to an area of the hinge arm where the lever is arranged. The above-described area of the hinge arm where the lever is arranged and the driving unit are provided to face each other relative to the rotational support axis when the lever takes the storage position.
    Type: Application
    Filed: October 27, 2021
    Publication date: August 4, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Yukihiro MORIYAMA, Eisuke KURAMOTO
  • Patent number: 11401876
    Abstract: A control system for a vehicle is provided, which includes a driving force source configured to generate torque for driving drive wheels, a steering angle related value sensor configured to detect a steering angle related value of a steering device of the vehicle, a grille shutter configured to adjust an opening-and-closing degree of an opening formed in a front surface of a vehicle body, and a controller configured to control the torque to control a vehicle attitude based on the steering angle related value. Based on the steering angle related value, when the controller determines that a turning operation of the steering device is performed, it performs a torque decreasing control for reducing the torque to add deceleration to the vehicle, and when the grille shutter opening is large, the controller increases the torque reduction amount in the torque decreasing control more than when the opening is small.
    Type: Grant
    Filed: February 10, 2022
    Date of Patent: August 2, 2022
    Assignee: Mazda Motor Corporation
    Inventors: Daisaku Ogawa, Daisuke Umetsu
  • Patent number: 11400842
    Abstract: Disclosed is a vehicle seat (1) comprising a seat back (4) and a seat cushion (2), wherein the seat back comprises a hipbone supporting portion (4a) for supporting the hipbones of a seated occupant, and a thorax supporting portion (4b) provided above the hipbone support portion to support the thorax of the seated occupant, and the seat cushion (2) comprises an ischium supporting portion (2a) oriented to extend approximately horizontally to support ischial tuberosity point (8a) of the seated occupant, and a femur supporting portion (2b) provided forward of the ischium supporting portion to extend obliquely upwardly from the ischium supporting portion, and wherein the seat back is configured such that a spring constant (k3) of the thorax supporting portion is equal to or less than a spring constant (k2) of the hipbone supporting portion.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: August 2, 2022
    Assignee: MAZDA MOTOR CORPORATION
    Inventor: Susumu Tomiie
  • Publication number: 20220233373
    Abstract: An object is to make it easier to lift and move a wheelchair by keeping casters from hanging even when the wheelchair is lifted by one hand. To this end, a wheelchair includes a folding mechanism that couples a left-side support arm and a right-side support arm foldably in a left-right direction of the vehicle body. The folding mechanism includes an operation part for use in changing a state of a left-side support arm and a right-side support arm from one of a folded state or an unfolded state to another. The operation part is arranged between a rear drive wheel and a caster in a side view of the vehicle body.
    Type: Application
    Filed: January 3, 2022
    Publication date: July 28, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Takashi IWASE, Isao TODA, Chih-Hung CHEN, Yu-chao WEI
  • Publication number: 20220233374
    Abstract: It is an object to make it easy to unfold a wheelchair simply by lifting a part of the wheelchair with one hand. A wheelchair includes a folding mechanism that folds a left-side support arm and a right-side support arm. The folding mechanism includes a grip part coupled to the distal end part of the left-side support arm and the distal end part of the right-side support arm. The grip part extends in the pivoting direction of the left-side support arm and the right-side support arm at a time of switching from a folded state to an unfolded state.
    Type: Application
    Filed: January 5, 2022
    Publication date: July 28, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Takashi IWASE, Isao TODA, Chih-Hung CHEN, Yu-chao WEI
  • Publication number: 20220237920
    Abstract: An external environment recognition device includes: a plurality of external environment recognition sensors each having an information detection unit that detects information of an object outside a vehicle, the plurality of external environment recognition sensors being arranged such that a detection range of the information detection unit includes an overlapping region where at least part of the detection range of the information detection unit overlaps with at least part of the detection range of another one of the information detection units; and a synchronous processing unit that extracts identical objects in the overlapping region from detection results of the external environment recognition sensors, and performs synchronous processing to synchronize the plurality of external environment recognition sensors if there is a deviation in position between the identical objects in the overlapping region.
    Type: Application
    Filed: March 13, 2020
    Publication date: July 28, 2022
    Applicant: Mazda Motor Corporation
    Inventor: Daisuke HAMANO
  • Publication number: 20220237921
    Abstract: A recognition processor recognizes an external environment of a mobile object, based on image data acquired by an imaging unit that takes an image of an external environment of the mobile object. An external environment data generation unit generates external environment data representing the environmental data recognized by the recognition processor, based on a recognition result from the recognition processor. An abnormality detector detects an abnormality of a data processing system including the imaging unit, the recognition processor, and the external environment data generation unit, based on the abnormality of the external environment data.
    Type: Application
    Filed: March 16, 2020
    Publication date: July 28, 2022
    Applicant: Mazda Motor Corporation
    Inventor: Daisuke HORIGOME
  • Publication number: 20220234644
    Abstract: A driver assistance system is provided that allows a driver to easily perform an accelerator operation by a finger of his/her hand while grasping a steering holding section. The driver assistance system includes an operation member near a steering wheel held by a driver, which rotates about a rotation shaft in a vehicle front-rear direction and thereby steers the vehicle. The operation member has an operation section that the driver can manually operate to accelerate/decelerate the vehicle, and includes a support member on the steering wheel, the support member supporting the operation member in a slidingly displaceable manner along a steering axial direction. The operation section is disposed near a radially inner side of a rim section of the steering wheel, and the operation section and the rim section overlap in the steering axial direction within a movable range of the operation member along the steering axial direction.
    Type: Application
    Filed: June 17, 2020
    Publication date: July 28, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Yoshihiro YAMAMOTO, Yasuyuki TONOHARA, Keiichi YAMASAKI, Katsuhisa MAEDO, Kenichi NAKAMOTO
  • Publication number: 20220233372
    Abstract: It is an object to improve riding comfort of a wheelchair having a folding mechanism by keeping an operation part of the folding mechanism from contacting a wheelchair user seated. A folding mechanism includes an operation part for use in changing a state of a left-side support arm and a right-side support arm from one of a folded state or an unfolded state to another. The operation part is arranged below an upper end part of a seat frame with a predetermined space therebetween.
    Type: Application
    Filed: January 3, 2022
    Publication date: July 28, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Takashi IWASE, Isao TODA, Yu-chao WEI