641 patents
Utility
Rotating Electrical Machine
18 Jan 24
A rotating electrical machine includes: a rotor; a stator including a stator core and a coil and including a radial protrusion for fastening located above a rotation center of the rotor; a housing member that houses the rotor and the stator and to which the radial protrusion is fastened; and an oil passage portion located above the rotation center of the rotor and extending in an axial direction within a range in which the stator core extends in the axial direction, the oil passage portion having a discharge hole that discharges oil in a direction toward a position radially outward of the radial protrusion as viewed in the axial direction.
Koki TANAKA, Takahiro YONEDA
Filed: 15 Feb 22
Utility
Driving Apparatus
18 Jan 24
The driving apparatus comprising a first motor, a first gear mechanism having a first input shaft and a first output shaft connected to the first motor, a second motor, and a second gear mechanism having a second input shaft and a second output shaft connected to the second motor.
Yuto MASUDA, Yusuke SUZUKI, Koichi OKUDA, Toshihisa MIZUTANI, Taiki OWARI
Filed: 5 Jul 23
Utility
Object Detection Device
11 Jan 24
An object detection device as an example of the present disclosure includes: a transmitting unit that transmits a transmitting wave toward a road surface; a receiving unit that receives a reflected wave of the transmitting wave reflected by an object as a receiving wave; a CFAR processing unit that acquires a CFAR signal at a predetermined detection timing by CFAR processing for each of a plurality of the transmitting waves, based on a value of a first processing target signal based on the receiving wave received at the detection timing and an average value of a value of a second processing target signal based on the receiving wave received in a predetermined section before and after the detection timing; and an estimating unit that estimates a road surface type based on an average signal level and a variation degree of a plurality of the CFAR signals.
Ippei SUGAE, Hisashi INABA
Filed: 23 Dec 21
Utility
Inverter-integrated Rotating Electrical Machine
11 Jan 24
An Inverter-integrated rotating electrical machine includes: a rotating electrical machine including a rotor and a stator; a housing member forming a housing chamber that houses the rotating electrical machine; a cover member that covers an opening on one end side of the housing member in an axial direction and that includes a support portion rotatably supporting the rotor; a power switching element located between the cover member and the rotating electrical machine in the axial direction; and a smoothing capacitor located between the cover member and the rotating electrical machine in the axial direction.
Ryota SATO, Yutaka HOTTA, Yuya MIZUNO, Satoshi MURAKAMI, Keita FUKUDA, Hirosato IHARA
Filed: 10 Feb 22
Utility
Damper device and design method of damper device
9 Jan 24
A damper device includes: an input element coupled to an engine via a clutch; an intermediate element; an output element coupled to an input shaft of a transmission; a first elastic body that is disposed between the input element and the intermediate element; and a second elastic body that is disposed between the intermediate element and the output element and that acts in series with the first elastic body.
Masaki Wajima, Akihiro Nagae, Yuichiro Hirai
Filed: 12 Sep 19
Utility
Vehicle Drive Device
4 Jan 24
In a vehicle drive device, a first drive device configured to drive a first engagement device configured to connect or disconnect power transmission between an input member and a first rotor includes a first shift drum and a first cam mechanism.
Tomoharu SUZUKI, Mitsuhiko KATO, Hiroki TAKAYANAGI
Filed: 21 Feb 22
Utility
Exterior Component for Vehicle
4 Jan 24
An exterior component of a vehicle includes a substrate and a multilayer coating film covering a surface of the substrate, the multilayer coating film includes a first coating film closest to the substrate, a second coating film that is in contact with the first coating film and covers a part of the surface of the first coating film, and a third coating film that is transparent and covers the first coating film and the second coating film so as to be in contact with the second coating film and a portion of the first coating film that is not covered with the second coating film, and the third coating film has a refractive index of 1.5210 or more.
Kosuke KATAYAMA, Yuta KOBAYASHI
Filed: 2 Jul 23
Utility
Vehicle State Quantity Estimation Device
4 Jan 24
A vehicle state quantity estimation device according to an embodiment includes a data acquisition unit and a vehicle state estimation unit.
Akihito YAMAMOTO
Filed: 25 Jan 22
Utility
Insulation Inspection Method and Insulation Inspection Apparatus
4 Jan 24
In an insulation inspection method for detecting creeping discharge that occurs in a coil in an armature, a predetermined impulse voltage is applied to the coil, and an electrical current value of a current that flows to a current detector that is connected to the coil is detected.
Yuki KOSAKA, Hideyuki SATOU, Hideaki KIMURA
Filed: 27 Jun 23
Utility
Vehicle drive device
2 Jan 24
A vehicle drive device includes a rotary electric machine disposed on a first axis, an output member disposed on a second axis parallel to the first axis, an inverter device, a terminal block for electrically connecting a rotary electric machine-side bus bar and an inverter-side bus bar, and a case.
Masahiro Nagaya, Nozomu Takahashi, Ryohei Inoue, Takeshi Torii, Daisuke Yamaoka, Taketoki Maruyama, Toshiya Sugiyama, Munehiro Takahashi
Filed: 24 Feb 21
Utility
Vehicle
2 Jan 24
A vehicle is provided with a vehicle body, N (N is an integer equal to or larger than 2) wheels including one or more front wheels and one or more rear wheels, a force generator, and a force controller.
Keizo Araki, Akira Mizuno, Shota Kubo
Filed: 26 Dec 20
Utility
Object detection device
2 Jan 24
An object detection device includes: a transmitter transmitting a transmission wave to an outside including a road surface; a receiver receiving a reflected wave of the transmission wave being reflected by an object as a reception wave; a CFAR processor acquiring a CFAR signal at a predetermined detection timing by CFAR processing based on a value of a first processing target signal based on a reception wave received at the detection timing and an average value of values of second processing target signals based on the reception waves received in predetermined sections before and after the detection timing; and an estimator estimating an absorption and attenuation value corresponding to the average value based on a road surface reflection estimation expression that defines a relation between the average value and the absorption and attenuation value in advance.
Ippei Sugae, Shingo Fujimoto, Kosuke Wakita
Filed: 5 Jan 22
Utility
Object detection device and movable body control device
2 Jan 24
An object detection device includes: a transmission and reception unit configured to transmit a transmission wave including an ultrasonic wave having directivity in a direction parallel or substantially parallel to a traveling direction of a movable body, and receive a reflected wave from an object; a determination unit configured to determine presence or absence of an abnormality based on a predetermined reference distance and a downward distance between the transmission and reception unit and an object present below the transmission and reception unit in a vertical direction, the downward distance being calculated based on a reflected wave of an ultrasonic wave of the transmission wave traveling downward in the vertical direction from the transmission and reception unit; and an output unit configured to output information regarding the abnormality.
Kosuke Wakita, Ippei Sugae
Filed: 8 Feb 22
Utility
Armature and manufacturing method of armature
2 Jan 24
In this armature, between the first segment conductor and the second segment conductor that are joined to each other in the joint portion, a first clearance portion is provided between the tip end portion of the first leg portion and the second leg portion body portion in the axial direction, and a second clearance portion is provided between the tip end portion of the second leg portion and the first leg portion body portion in the axial direction.
Kiyotaka Koga, Takahiro Kobuchi, Takashi Kato
Filed: 9 Oct 19
Utility
Vehicle Drive Device
21 Dec 23
A case body that is integrally formed so as to form a first housing chamber including a rotary electric machine housing chamber that houses a rotary electric machine and a gear housing chamber that houses a plurality of gears and second housing chamber that houses an inverter device includes a peripheral wall portion that surrounds an outer side of rotary electric machine and gears in radial direction, partition wall that partitions first and second housing chambers, and a partition member disposed between the rotary electric machine housing chamber and the gear housing chamber.
Ryohei INOUE
Filed: 27 Oct 21
Utility
Differential Gear
21 Dec 23
The present disclosure provides a differential gear to be mounted on a vehicle, including a pair of side gears, at least two pinion gears meshed with the side gears, and a differential case that houses the side gears and the at least two pinion gears.
Kaoru NADAYOSHI, Kohei ITO
Filed: 6 Oct 21
Utility
Rotor Core
21 Dec 23
A laminated core of this rotor core includes one side magnet hole provided on one side in a circumferential direction with respect to a d-axis, an other side magnet hole provided on the other side, an intermediate magnet hole, a first outer bridge portion, a second outer bridge portion, a first inner bridge portion, and a second inner bridge portion.
Naoto SAITO, Ami IIJIMA, Teppei TSUDA, Toshinori OKOCHI
Filed: 21 Dec 21
Utility
Vehicle Drive Device
21 Dec 23
Disclosed is a vehicle drive device including: a rotary electric machine including a rotor and a stator; a housing member forming a housing chamber that houses the rotary electric machine; a cover member connected to one end side of the housing member in an axial direction, facing the rotary electric machine in the axial direction, and including a support portion that rotatably supports the rotor; a power switching element electrically connected to a coil of the stator; and a smoothing capacitor electrically connected to the power switching element.
Yutaka HOTTA, Yuya MIZUNO, Ryota SATO, Hirosato IHARA
Filed: 10 Feb 22
Utility
Vehicle Drive Device
21 Dec 23
A vehicle drive device includes: a rotary electric machine including a rotor and a stator; a housing member forming a housing chamber that houses the rotary electric machine; a cover member connected to one end side of the housing member in an axial direction, facing the rotary electric machine in the axial direction, and including a bearing support portion that rotatably supports the rotor; a power switching element electrically connected to a coil of the stator; and a smoothing capacitor electrically connected to the power switching element.
Yutaka HOTTA, Yuya MIZUNO, Ryota SATO
Filed: 10 Feb 22
Utility
Switching Element Module, Inverter Device, and Vehicle Drive Device
21 Dec 23
A switching element module includes a first switching element and a second switching element connected between a positive electrode and a negative electrode of a direct current power supply, a smoothing capacitor connected between the positive electrode and the negative electrode of the direct current power supply, and a cooling block thermally connected to a cooler.
Yuya MIZUNO, Yutaka HOTTA, Ryota SATO, Hirosato IHARA
Filed: 10 Feb 22