324 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
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
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
Utility
Methods for Manufacturing Coil and Stator
21 Dec 23
This method for manufacturing a coil includes a cross section forming step for transforming an outer shape of a part to be housed in a slot in a coil wire that has a circular cross section and is not subjected to an insulation coating process, and an insulation step for performing, after the cross section forming step, the insulation coating process on the coil wire after cross section forming.
Masahiro ISHIKAWA, Hiroaki YABUI, Koji SATO, Akinori HOSHINO
Filed: 28 Sep 21
Utility
Massage Device
14 Dec 23
A massage device includes a base sheet with a sheet shape and an air bag supported by the base sheet.
Minori MURAI, Takashi OGISO, Noriko FUJII, Tomoko KANBARA
Filed: 3 Apr 23
Utility
Humidifier for Fuel Cell
7 Dec 23
A humidifier for a fuel cell includes a humidifying unit that produces humidified air.
Katsuhiro KAJIO
Filed: 26 Nov 21
Utility
Method for Manufacturing Stator for Rotating Electrical Machine
7 Dec 23
A method for manufacturing a stator for a rotating electrical machine includes: installation step of installing coil pieces with rectangular cross section for stator coil in stator core; and joining step of joining ends of coil pieces by laser welding after installation step.
Hiroyuki ONO
Filed: 18 Mar 22
Utility
Step Apparatus for Vehicle
7 Dec 23
A step apparatus for a vehicle includes: an arm rotatably provided on a base; and a step supported by the arm and movably provided, by rotation of the arm, between a deployed position and a stowed position located at an inner side of a vehicle width direction with respect to the deployed position.
Masashi MIWA, Atsushi MURAMATSU, Natsuki ITO, Takahisa KOBAYASHI, Norio KATO, Kimihiro KINOSHITA
Filed: 9 Nov 21
Utility
Step Apparatus for Vehicle
7 Dec 23
A step apparatus for a vehicle includes a base attached to an outer side of a vehicle body, an arm rotatably provided on the base, and a step supported by the arm and movable with respect to the base.
Masashi MIWA, Atsushi MURAMATSU, Natsuki ITO, Takahisa KOBAYASHI, Norio KATO, Kimihiro KINOSHITA
Filed: 9 Nov 21