Patents Assigned to Denso Corporation
  • Publication number: 20240246503
    Abstract: A vehicle inside view monitor monitors inside view of passenger compartment of vehicle which is parked. Vehicle inside view monitor includes living object sensor, environment determiner, environment improvement unit, and state-of-charge determiner. Living object sensor works detecting living object left in passenger compartment. When living object is detected, environment determiner determines whether deterioration condition of passenger compartment which is unsuitable for living object has occurred. When determined that deterioration condition of passenger compartment has occurred, environment improvement unit actuates at least one of a high-power improvement device and a low-power improvement device. State-of-charge determiner determines whether a state of charge of battery has reduced.
    Type: Application
    Filed: February 23, 2024
    Publication date: July 25, 2024
    Applicant: DENSO CORPORATION
    Inventors: Yuki DATE, Ryosuke OGURI, Yoshiki MATSUSHITA
  • Patent number: 12046418
    Abstract: A solenoid includes a coil portion, a yoke having a cylindrical portion and a bottom portion and accommodating the coil portion, a plunger configured to slide in an axial direction, a stator core. The stator core has a magnetic attraction core, and a sliding core having a cylindrical core portion, a first magnetic flux transfer portion configured to transfer a flux between the yoke and the core portion, and a magnetic flux passage suppressing portion configured to suppress passage of magnetic flux between the sliding core and the magnetic attraction core. A second magnetic flux transfer portion is arranged on a radial outside of the magnetic attraction core end portion and transfers the magnetic flux between the magnetic attraction core and the cylindrical portion. The first magnetic flux transfer portion is gap-fitted in the cylindrical portion.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: July 23, 2024
    Assignee: DENSO CORPORATION
    Inventors: Akinori Hirano, Syodai Tomita
  • Patent number: 12045065
    Abstract: A traveling control device includes: a peripheral recognition unit which recognizes a status around an own vehicle; an abnormality determination unit which determines whether an abnormality has occurred in the recognition function of the peripheral recognition unit; and a control unit which, if the abnormality determination unit has determined that an abnormality has occurred in the recognition function of the peripheral recognition unit, executes procedure modification control to modify an automatic driving procedure in the automatic driving system in accordance with an abnormality recognition direction which is a direction in which the abnormality in the recognition function has occurred.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: July 23, 2024
    Assignee: DENSO CORPORATION
    Inventors: Tomomi Hase, Noriaki Ikemoto, Mitsuharu Higashitani
  • Patent number: 12043090
    Abstract: An outdoor heat exchanger is installed in a refrigerant circuit and has a heat exchange core portion providing refrigerant flow paths different in a cooling operation and a heating operation. A flow path switching device switches the flow path of the refrigerant in the heat exchange core portion of the outdoor heat exchanger between a cooling mode flow path during the cooling operation and a heating mode flow path during the heating operation. The refrigerant flows down in one direction in the heating mode flow path. The refrigerant flows in one direction and then flows down in an opposite direction in the cooling mode flow path.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: July 23, 2024
    Assignee: DENSO CORPORATION
    Inventor: Tatsurou Kyuto
  • Patent number: 12045353
    Abstract: A microphone controller includes a processor programmed to receive voice input from one or more microphones to be utilized in a voice recognition session initiated by the microphone controller. Further the microphone controller includes a key store including one or more keys configured to encrypt the received voice input to an encrypted voice data.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: July 23, 2024
    Assignee: Denso Corporation
    Inventors: Ameer Kashani, Gopalakrishnan Iyer
  • Patent number: 12043918
    Abstract: A control device has a learning model that outputs an estimated value of a second physical quantity that is unobservable under a condition of manufacturing a SiC crystal, from a first physical quantity that is observable under the condition of manufacturing the SiC crystal. The control device generates a basic learning model by mechanical learning using, as teacher data, a simulation result of a simulation model based on structural data of a SiC crystal manufacturing apparatus. The control device acquires measured values of the first physical quantity and the second physical quantity measured under a condition that the SiC crystal is unable to be manufactured while the second physical quantity is observable, and generates the learning model that corrects an output of the basic learning model based on the measured values.
    Type: Grant
    Filed: August 4, 2022
    Date of Patent: July 23, 2024
    Assignees: DENSO CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, MIRISE Technologies Corporation
    Inventor: Daisuke Uematsu
  • Patent number: 12043234
    Abstract: A brake device includes: a brake pedal including a pedal and a lever that rotates about a rotation axis when the pedal is operated; a housing that rotatably supports the lever; a reaction force generator that generates a reaction force to the lever in accordance with a stroke amount of the brake pedal by receiving a force from the lever when the brake pedal is operated; a deformation member including a deformation portion that is deformed by a force received from the lever when the brake pedal is operated in a state where the reaction force generated by the reaction force generator is generated; and a stroke sensor that outputs a signal corresponding to the stroke amount and outputs a value indicating that operation of the brake pedal is abnormal and instructing execution of control for stopping a vehicle when the deformation portion is deformed.
    Type: Grant
    Filed: July 19, 2022
    Date of Patent: July 23, 2024
    Assignee: DENSO CORPORATION
    Inventors: Etsugou Yanagida, Kunio Nanba, Daisuke Hokuto
  • Patent number: 12043247
    Abstract: Provided is an obstacle detecting unit that acquires a detection signal based on a distance between a vehicle and an obstacle around the vehicle; an image acquiring unit that acquires an image signal corresponding to an image around the vehicle; and a control unit that executes, based on the detection signal and the image signal, an automatic parking process detecting the parking space and parking the vehicle in the parking space. The control unit is configured to execute, when executing the automatic parking process, a fault handling process depending on a state of the automatic parking process in the case where a fault occurs in either the obstacle detecting unit or the image acquiring unit.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: July 23, 2024
    Assignees: DENSO CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yoshiki Hayakawa, Yuki Minase, Motonari Ohbayashi, Masumi Fukuman
  • Patent number: 12044808
    Abstract: An ultrasonic transducer includes a transducer case and an ultrasonic element. The transducer case is formed into a bottomed, cylindrical shape having a side plate portion and a bottom plate portion that seals one end side of the side plate portion in an axial direction to configure a diaphragm. The ultrasonic element is fixedly supported to the bottom plate portion to face an interior space surrounded by the side plate portion and the bottom plate portion. The ultrasonic element is arranged in a position being offset in an in-plane direction orthogonal to the axial direction relative to a center position of the diaphragm in the in-plane direction to be capable of generating a first transmission wave having first directivity characteristics and a second transmission wave having second directivity characteristics that are directivity characteristics differing from the first directivity characteristics and in which sound pressure in the axial direction is decreased.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: July 23, 2024
    Assignee: DENSO CORPORATION
    Inventors: Masayoshi Satake, Dai Kondou, Haruka Aoshima, Kenji Fukabori, Kohei Kozuki
  • Patent number: 12045599
    Abstract: A center device includes an update data storage unit in which new data and new difference data for updating to the new data from old data are stored for, among electronic control units mounted on a vehicle, a target device targeted for data update. The center device generates, using the new data, a first verification value for verifying integrity in the vehicle, and generates, using the new difference data, a second verification value for verifying integrity of the new difference data in the vehicle. The center device generates a package including the new difference data, the first verification values and the second verification values for a plurality of the target devices. The center device generates, using the distribution package, a third verification value for verifying integrity of the distribution package in the vehicle, and transmits the distribution package along with the third verification value to the in-vehicle device.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: July 23, 2024
    Assignee: DENSO CORPORATION
    Inventors: Tomoya Ogawa, Nao Sakurai, Yuzo Harata, Kazuhiro Uehara, Takuya Hasegawa, Takuya Kawasaki, Kazuaki Hayakawa
  • Patent number: 12046806
    Abstract: An in-vehicle wireless system includes: multiple antennas; and multiple antenna housings that house the multiple antennas and are smaller in number than the multiple antennas. The multiple antenna housings include a vehicle interior antenna housing placed in a vehicle interior of a vehicle. The vehicle interior antenna housing houses an antenna for performing communication by connecting to a mobile communication line that is a public communication line that is connectable to a mobile wireless device.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: July 23, 2024
    Assignee: DENSO CORPORATION
    Inventor: Shiro Koide
  • Patent number: 12047206
    Abstract: A differential transmission circuit for a communication device performs bidirectional communication via a differential transmission line. The differential transmission circuit include: output transistors that are turned on and off according to a drive signal during a transmission period; a signal generation unit that generates and outputs the drive signal; short-circuit transistors connected between gates and drains of the output transistors; and a cut off unit that cuts off a supply path of the drive signal between the signal generation unit and the gates of the output transistors. The cut off unit cuts off the supply path of the drive signal during a reception period in which a reception operation is performed by the communication device.
    Type: Grant
    Filed: July 19, 2022
    Date of Patent: July 23, 2024
    Assignees: DENSO CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, MIRISE Technologies Corporation
    Inventors: Shigeki Otsuka, Hyoungjun Na, Takasuke Ito, Yoshikazu Furuta, Tomohiro Nezuka
  • Patent number: 12046973
    Abstract: A stator includes a stator core, stator windings provided in the stator core, and a busbar connected to coil end portions of the stator windings. The busbar is composed of a flat conductor body and has a main body portion extended in a circumferential direction in parallel to a circumference of the stator core and multiple protruding portions extended radially from the main body portion. The protruding portions and the coil end portions are joined by laser welding. A thickness of each of the protruding portions in a laser beam emitting direction in which a welded portion is irradiated with a laser beam during the laser welding is greater than a plate thickness of the main body portion in the same direction.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: July 23, 2024
    Assignee: DENSO CORPORATION
    Inventor: Toshihiro Takei
  • Publication number: 20240239193
    Abstract: An information provision device includes an information display screen configures to display information to be provided to a driver of a vehicle and a control device configured to control displayed content of the information display screen. The control device detects a positional relationship of the vehicle and an object present in a rear region of the same based on surrounding data showing a situation in the surroundings of the vehicle, detects a line-of-sight direction of the driver based on driver data showing the state of the driver, and displays rear region information including the positional relationship at the information display screen in response to detecting that the driver is viewing a rear check device for checking the rear of the vehicle based on the line-of-sight direction of the driver.
    Type: Application
    Filed: October 17, 2023
    Publication date: July 18, 2024
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATION
    Inventors: Yu SASAKI, Kazunao YOKOO
  • Publication number: 20240239158
    Abstract: A system includes a refrigeration circuit, low-temperature circuit and controller. The refrigeration circuit includes: a tiller for absorbing heat from a colling water to a refrigerant; and a condenser for releasing heat from the refrigerant to an outside, and realizes a refrigeration cycle by circulating the refrigerant therethrough. The low-temperature circuit includes the tiller and an external heat exchanger for absorbing heat from an outside to the first heat medium, and circulate the cooling water therethrough. The controller can change a heat absorption amount of the refrigerant at the tiller. The controller controls the device so that a change in the heat absorption amount of the refrigerant at the first heat exchanger in accordance with a change in a temperature of the first heat medium is reduced, if the temperature of the cooling water flowing through the first heat exchanger changes by a reference value or more.
    Type: Application
    Filed: January 16, 2024
    Publication date: July 18, 2024
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATION
    Inventors: Ryo MICHIKAWAUCHI, Hidefumi AIKAWA, Masanari NUMATA, Yu OFUNE, Satoshi ITO, Naoki KATO, Tatsuhito MATSUMOTO
  • Publication number: 20240239208
    Abstract: This vehicle comprises a first dynamo-electric machine that imparts torque to a first drive wheel, a second dynamo-electric machine that applies torque to a second drive wheel, a rotation speed sensor that acquires a first rotation speed of the first drive wheel, a rotation speed sensor that acquires a second rotation speed of the second drive wheel, and a control device. The control device includes a basic setting unit that sets a basic rotation speed, a differential setting unit that sets a differential rotation speed, and an action control unit that controls the operation of the first dynamo-electric machine and the second dynamo-electric machine so that an average value of the first rotation speed and the second rotation speed becomes the basic rotation speed, and a difference between the first rotation speed and the second rotation speed reaches the differential rotation speed.
    Type: Application
    Filed: March 28, 2024
    Publication date: July 18, 2024
    Applicant: DENSO CORPORATION
    Inventors: Shigeru KAMIO, Haibo LIU, Keisuke KAWAI, Tatsuya TAKAGI, Sadahiro AKAMA, Harumi HORIHATA, Masaru KUBOTA, Youichi KUROYANAGI
  • Publication number: 20240239157
    Abstract: A system includes: a low-temperature circuit having a chiller and in which a cooling water circulates therethrough; a heat dissipation unit for dissipating heat to an air; a refrigeration circuit in which a refrigerant circulates and for absorbing heat from the cooling water to the refrigerant at the chiller and dissipating heat from the refrigerant at the heat dissipation unit; a ratio adjusting device for adjusting a heat dissipation unit passing ratio; and a controller for controlling an heat transfer amount adjusting apparatus capable of adjusting the heat transfer amount in the refrigeration circuit and the ratio adjusting device. If it is predicted that the temperature of the cooling water decreases, the controller controls the apparatus so that the heat transfer amount is increased and controls the ratio adjusting device so that the ratio is decreased, before the temperature of the cooling water flowing through the chiller decreases.
    Type: Application
    Filed: January 9, 2024
    Publication date: July 18, 2024
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATION
    Inventors: Ryo MICHIKAWAUCHI, Hidefumi AIKAWA, Masanari NUMATA, Yu OFUNE, Satoshi ITO, Naoki KATO, Tatsuhito MATSUMOTO
  • Publication number: 20240239331
    Abstract: A mobile object includes: a first braking/driving torque application unit that applies first braking/driving torque to a right driving wheel; a second braking/driving torque application unit that applies second braking/driving torque to a left driving wheel; a right driven wheel and a left driven wheel each of which is constituted of a caster wheel; and a control unit that controls the first braking/driving torque application unit and the second braking/driving torque application unit. Moreover, the control unit is configured to perform turning, advancing/reversing and braking of the mobile object by controlling the first braking/driving torque and the second braking/driving torque or by controlling rotational speed of the right driving wheel and rotational speed of the left driving wheel.
    Type: Application
    Filed: March 8, 2024
    Publication date: July 18, 2024
    Applicant: DENSO CORPORATION
    Inventors: Shigeru KAMIO, Haibo LIU, Keisuke KAWAI, Tatsuya TAKAGI, Sadahiro AKAMA, Harumi HORIHATA, Masaru KUBOTA, Youichi KUROYANAGI
  • Patent number: 12037935
    Abstract: A cooling apparatus for a vehicle includes air-cooling first and second heat exchangers that are placed beside each other. A coolant flow-out portion of the first heat exchanger from which a first coolant which is a cooling target of the first heat exchanger flows out and a coolant flow-out portion of the second heat exchanger from which a second coolant which is a cooling target of the second heat exchanger flows out are placed at ends at opposite positions separated along a diagonal line on a parallel placement surface of the two heat exchangers. A first cooling fan is placed opposing the coolant flow-out portion of the first heat exchanger, and a second cooling fan is placed opposing the coolant flow-out portion of the second heat exchanger. With this configuration, cooling performance of two air-cooling heat exchangers placed beside each other can be improved.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: July 16, 2024
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATION
    Inventors: Daisuke Sakamoto, Shunsuke Aka, Tetsuya Ikeda, Koji Norisada, Souta Okabe, Etsuko Kamakura, Masataka Minamigawa, Junichi Suematsu, Masashi Shibata
  • Patent number: 12038207
    Abstract: The refrigeration cycle device includes a compressor, an outside heat exchanger, a cooling pressure reducing unit, an evaporator, a branch portion, a cool down pressure reducing unit, a temperature adjusting unit, a merging portion, a bypass passage, and a first on-off valve. The temperature adjusting unit includes a temperature adjusting heat exchange unit and adjusts a temperature of a temperature adjustment target object. During a cooling and cool down mode, the outside heat exchanger functions as a radiator, and the evaporator and the temperature adjusting heat exchange unit function as heat absorbers. During a target object warm up mode, the refrigerant discharged from the compressor is guided to the temperature adjusting heat exchange unit via the bypass passage, and the heat of the discharged refrigerant is used as a heat source for heating the temperature adjustment target object.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: July 16, 2024
    Assignee: DENSO CORPORATION
    Inventors: Kazuhiro Tada, Kengo Sugimura, Hiroyuki Kobayashi, Yuichi Kami, Satoshi Ito