324 patents
Page 15 of 17
Utility
Hybrid Drive Device
31 Mar 22
A hybrid drive device including a rotary electric machine having a stator and a rotor, a transmission coupled to the rotary electric machine, a clutch that couples an engine and the rotary electric machine and that releases a connection of the two, and a case for housing the rotary electric machine and the clutch, the hybrid drive device including: a first transmitting shaft coupled to an output shaft of the engine; and a second transmitting shaft that transmits power from the rotor of the rotary electric machine to the transmission.
Shigeki IDEUE, Takeru MORITA, Kenji DOZONO, Akinori OZAWA, Tatsuya OKISHIMA, Masashi IKEMURA
Filed: 8 Jan 20
Utility
Control Device for Vehicle
31 Mar 22
A control device, for a vehicle, comprising an electronic control unit configured to: output a first command value, for tightening a pack clearance, to a hydraulic control circuit system prior to output of a second command value, for transmitting cranking torque that raises a rotation speed of the engine, during a transition of switching a control state of a clutch from a released state to an engaged state when an engine is started; and perform, when the engine is started, first control for outputting the cranking torque by an electric motor and second control for starting operation of the engine, wherein the electronic control unit is configured to set the first command value to a first hydraulic pressure when the engine is started in a first situation, and set the first command value to a higher second hydraulic pressure higher when the engine is started in a second situation.
Keigo MATSUBARA, Masayuki BABA, Tomoya INAYOSHI
Filed: 30 Aug 21
Utility
Control Device for Vehicle
31 Mar 22
A control device for a vehicle, the control device comprising an electronic control unit configured to: perform, when the engine is started, a first clutch actuator control in which the clutch transmits a cranking torque for increasing a rotation speed of the engine during a transition in which the control state of the clutch is switched from a released state to an engaged state; perform, when the engine is started, first control for outputting the cranking torque by the electric motor and second control for starting operation of the engine; and perform, after the first clutch actuator control is completed, a second clutch actuator control in which a torque capacity of the clutch is set to a predetermined torque smaller than the cranking torque.
Keigo MATSUBARA, Masayuki BABA, Tomoya INAYOSHI
Filed: 2 Sep 21
Utility
Control Device for Vehicle
31 Mar 22
An electronic control unit is configured to: control a clutch actuator based on first phase definition that defines a plurality of stages of progress provided for each of control states of the clutch, the clutch being switched among the control states in a process of starting the engine; and control at least one of a motor and an engine based on second phase definition that defines a plurality of stages of progress, the second phase definition being different from the first phase definition.
Keigo MATSUBARA, Masayuki BABA, Tomoya INAYOSHI
Filed: 21 Sep 21
Utility
Vehicle Drive Device
24 Mar 22
An apparatus including a transmission mechanism in a power transfer path between a drive source and wheels; an oil pressure control device supplying lubricating oil to the transmission mechanism; and a control part outputting an electrical instruction to increase a flow rate of the supplied lubricating.
Takahiro SUZUKI, Tadaaki WATANABE
Filed: 30 Jan 20
Utility
Turn Assist Device for Vehicle, Turn Assist Method for Vehicle, and Computer-readable Medium Storing Turn Assist Program
24 Mar 22
A turn assist device is configured to execute a turn assist process that assists turning of a vehicle in a case in which a steering operation of a steering wheel is in progress in a situation in which collision prediction time is shorter than or equal to determination prediction time.
Yosuke OMORI
Filed: 2 Sep 21
Utility
Turning Controller for Vehicle, Computer-readable Medium Storing Turning Control Program, and Turning Control Method for Vehicle
24 Mar 22
A turning controller for a vehicle is configured to execute: a time obtaining process that obtains collision prediction time; a lateral movement amount determining process that determines whether a target lateral movement amount is greater than or equal to a lateral movement amount determination value; and an automatic turning process that, in a case in which the collision prediction time is shorter than or equal to a determination prediction time, outputs a command for steering the front wheel to the front wheel steering device and outputs a command for steering the rear wheel to the rear wheel steering device, in order to avoid a collision between the vehicle and the obstacle; a counter-phase process in the automatic turning process in a case in which the target lateral movement amount is determined to be greater than or equal to the lateral movement amount determination value.
Yosuke OMORI
Filed: 15 Sep 21
Utility
Aluminum Alloy Casting and Method of Manufacturing Same
24 Mar 22
An aluminum (Al)-magnesium (Mg)-silicon (Si)-based aluminum alloy casting includes: at least boron (B) and phosphorus (P).
Atsuya SUZUKI, Shuji INOUE
Filed: 16 Aug 21
Utility
Electronic Substrate
17 Mar 22
An electronic substrate connects to a semiconductor component via a plurality of front surface terminals disposed in an array on a front surface and connects to a main substrate via a plurality of back surface terminals disposed in an array on a back surface.
Takanobu NARUSE, Yasuhiro SASSA
Filed: 31 Oct 19
Utility
Abnormality Detection Device, Abnormality Detection Computer Program Product, and Abnormality Detection System
17 Mar 22
An abnormality detection device includes an acquisition process unit that acquires plural captured images captured by an imaging device to image an object in different positions or postures in a mode in which a relative positional or postural relationship between the imaging device and the object is specifiable in each of the plural captured images, an extraction process unit that extracts plural abnormality-candidate images in which an abnormality-candidate part is imaged from the plural captured images, the abnormality-candidate part corresponding to a part that possibly includes an abnormality on a surface of the object, an estimation process unit that estimates a depth of the abnormality-candidate part with respect to the surface of the object, and a detection process unit that detects whether the abnormality-candidate part corresponds to abnormal based on the depth of the abnormality-candidate part in each of the plural abnormality-candidate images.
Truong Vinh Truong DUY, Naotake NATORI
Filed: 16 Aug 21
Utility
Hybrid Drive Device
17 Mar 22
During shift control of a transmission mechanism, a hybrid drive device computes the amount of change in input torque (deTr) acting on the transmission mechanism and an input torque change time (t15), and controls a motor so that motor torque is changed by the amount of change in input torque (deTr), when the motor can change the amount of change in input torque (deTr), and outputs, when the motor cannot change the amount of change in input torque (deTr), an engine torque signal (Tesig1) at an engine torque change time (t14) earlier than the input torque change time (t15) at which drive power of the motor is changed when the motor can change the amount of change in input torque (deTr).
Yutaro KAWATSU
Filed: 26 Mar 20
Utility
Vehicle Drive Device
10 Mar 22
A vehicle drive device includes: a rotary electric machine; a drive transmission mechanism provided in a power transmission path connecting a rotor shaft of the rotary electric machine and a wheel; a first hydraulic pump driven by a driving force transmitted through the power transmission path; a second hydraulic pump driven by a driving force source independent of the power transmission path; a first oil passage that supplies oil discharged from the first hydraulic pump to a rotor bearing that supports the rotor shaft such that the rotor shaft is rotatable; and a second oil passage that supplies oil discharged from the second hydraulic pump to an inner peripheral surface of the rotor shaft.
Ryohei INOUE
Filed: 27 Mar 20
Utility
Control Device for Vehicle Drive Device
3 Mar 22
A vehicle drive device including an engagement pressure flow channel, a lubrication flow channel, a first pump having a discharge port connected to the engagement pressure flow channel, a second pump, and a flow channel control valve.
Masahiro NISHIU
Filed: 4 Feb 20
Utility
Differential Gear Mechanism and Method for Designing the Same
3 Mar 22
A differential gear mechanism in which when a plurality of contact lines between a gear tooth and a pinion tooth is defined on either a tooth surface of the gear tooth of a crown gear or a tooth surface of the pinion tooth of a pinion gear at a predetermined angle around an axis of the pinion gear, and the plurality of contact lines and a center line of a pinion tooth bottom surface of the pinion gear are projected onto a plane, including an axis of a pair of the crown gears, around the axis of the pinion gear, the center line of the pinion tooth bottom surface projected onto the plane includes an inclined line passing through a range between two of the contact lines which are selected from the plurality of contact lines projected onto the plane and by which a contact ratio is 1.0 or higher.
Tomoya OSADA, Yoshihiko NUKAI
Filed: 24 Mar 20
Utility
Vehicle Driving Device and Hybrid Vehicle
3 Mar 22
There are included a transmission mechanism that includes an input member driven by an engine and an output member drive-coupled to wheels and that can change a gear ratio between the input member and the output member; a clutch SSC that is interposed between an output shaft of the engine and the input member and can connect and disconnect power transmission between the output shaft of the engine and the input member of the transmission mechanism; and a control part that controls engagement and disengagement of the clutch SSC by electrical instructions.
Takahiro SUZUKI, Tadaaki WATANABE
Filed: 23 Jan 20
Utility
Semiconductor Device
3 Mar 22
A semiconductor device including a power supply circuit to supply power to a circuit formed on a main substrate equipped with a circuit module is made smaller in size.
Takanobu NARUSE
Filed: 4 Dec 19
Utility
Weight Estimation Device, Weight Estimation Method and Non-transitory Storage Medium for Vehicle
24 Feb 22
A weight estimation device for a vehicle includes a storage unit storing a weight calculation information indicating a correspondence between an internal pressure value of an air spring supporting a vehicle body and a vehicle height serving as a height of the vehicle body from a base, a measured value acquisition unit acquiring a measured internal pressure value and a measured vehicle height, an internal pressure value calculation unit calculating a corrected internal pressure value of the air spring by deducting or adding a corrected value from or to the measured internal pressure value in a case where the measured internal pressure value is greater or smaller than the internal pressure value of the weight calculation information which corresponds to the measured vehicle height, and a weight calculation unit calculating a weight of a supported body, including the vehicle body, based on the corrected internal pressure value.
Masahito KIZU, Ken OGUE, Motofumi TAKAHARA, Toshihisa HABIRO
Filed: 28 Jul 21
Utility
Hybrid Drive Device
24 Feb 22
A hybrid drive device includes: a rotor; a transmission; and a case, in which a rotor support member that supports a rotor of the rotary electric machine includes an annular member that faces an end wall portion of the case, the end wall portion includes a first tubular portion that protrudes in an axial direction from an inner periphery toward the transmission, and a second tubular portion that protrudes in the axial direction toward the transmission so as to surround the first tubular portion, the annular member includes a tubular portion that protrudes in the axial direction from an inner periphery toward an engine, an inner side radial bearing is disposed between the first transmitting shaft and an inner peripheral surface of the first tubular portion of the end wall portion, a clearance is formed between an outer peripheral surface of the first tubular portion of the end wall portion and an inner peripheral surface of the tubular portion of the annular member, and an outer side radial bearing is disposed between an outer peripheral surface of the tubular portion of the annular member and an inner peripheral surface of the second tubular portion of the end wall portion.
Shigeki IDEUE, Takeru MORITA, Kenji DOZONO, Tatsuya OKISHIMA, Masashi IKEMURA
Filed: 8 Jan 20
Utility
Electric Current Detection Apparatus
24 Feb 22
An electric current detection apparatus, the electric current detection apparatus is configured to detect an electric current flowing in a solenoid configured to be electrified by a PWM control, the apparatus includes a switch, an electric current value detection portion configured to detect a first electric current value at a first timing corresponding to a timing when the switch transitions from a closed state to an open state, the electric current value detection portion being configured to detect a third electric current value at a third timing, and a second electric current value calculation portion configured to calculate a second electric current value on the basis of the first electric current value and the third electric current value, the second electric current value being an electric current value of the electric current at the second timing.
Kouki OJIMA, Satoshi SAKAI, Toshihisa HABIRO, Yuta KAWAI
Filed: 26 Jul 21
Utility
Motor Control Device
24 Feb 22
A motor control device according to an embodiment includes a hardware processor configured to: calculate a first torsion torque generated by a motor shaft according to fluctuation of an engine torque based on a difference between a motor angle as a rotation angle of the motor shaft and a shaft angle as a rotation angle of a transmission shaft of a transmission on the downstream side of a damper; calculate a first vibration damping torque to be output by a motor generator to damp vibration of the motor shaft based on the first torsion torque and a drive state value indicating a drive state of an engine; and output a motor torque command value to be provided to the motor generator based on the first vibration damping torque.
Hirotaka MIZUGUCHI, Satoshi KOKUBO, Yoichi OI, Tomoki INAGAKI
Filed: 13 Dec 19