Abstract: The control device acquires biometric information of the driver by using a sensor mounted on the driver or a sensor mounted on battery electric vehicle. Further, the control device performs tone control for changing the tone of the pseudo engine sound based on the information of the preference of the driver or the biometric information.

Abstract: A battery electric vehicle includes one or more processors configured to generate artificial sounds that change responsive to the operating conditions of battery electric vehicle and to provide artificial sounds from speakers mounted on battery electric vehicle. The one or more processors further recognize a driving condition of the other vehicle traveling around battery electric vehicle, and execute at least one of the following first processing and second processing in response to the recognized driving condition of the other vehicle. The first process is a process of changing the sound source of the artificial sound. The second process is a process of generating a harmonic that harmonizes with the artificial sound, superimposing the harmonic on the artificial sound, and outputting the artificial sound from the speaker.

Abstract: An electric vehicle includes a vibration generator mounted on a vehicle body via a vibration damping member. The electric vehicle also includes a vibration transmission path extending from the vibration generator to the vehicle body, without pathing through the vibration damping member. Vibration generated in the vibration generator is transmitted to the vehicle body at a moderate level. This enables the driver to perceive the vibration and sound comfortably. The driver's discomfort caused by the vibration and sound of the electric vehicle can be relieved.

Abstract: A vehicle management system is applied to a battery electric vehicle. The battery electric vehicle includes a simulation mode in which a simulation target is simulated. The simulation target includes at least either of a driving sound of a virtual mobile body and driving characteristics of a virtual vehicle. The vehicle management system includes one or more processors. The one or more processors are configured to calculate driving proficiency of a driver that drives the battery electric vehicle in the simulation mode. The one or more processors are configured to change options for the simulation target according to the driving proficiency.

Abstract: A battery electric vehicle is equipped with an MT that uses an electric motor as a driving power device and simulates an MT vehicle. Battery electric vehicle includes one or more processors configured to generate a pseudo-engine sound and to provide the pseudo-engine sound through one or more in-vehicle speakers. In MT mode, the one or more processors perform sound field control so that the listenability of the pseudo-engine sound in the first in-vehicle area and the second in-vehicle area different from the first in-vehicle area differs.

Abstract: An electric vehicle is configured to be switchable to an autonomous driving mode. The electric vehicle comprises an accelerator pedal, a shift device, a speaker, and a controller. The speaker outputs a pseudo engine sound. When the electric vehicle is not in the autonomous driving mode, the controller changes a motor torque and the pseudo engine sound in response to an operation state of the accelerator pedal and the shift device operated by a driver. When the electric vehicle is in the autonomous driving mode, the controller virtually determines the operation state of the accelerator pedal and the shift device and changes at least one of the motor torque and the pseudo engine sound in response to the virtual operation state.

Abstract: A battery electric vehicle that uses an electric motor as a traction power unit includes one or more speakers that output sound to at least one of inside and outside of the vehicle, one or more processors, and one or more storage devices for storing usage state information of the electric vehicle and sound source data. The one or more processors estimate fitness of the battery electric vehicle based on the usage state information. The one or more processors generate, based on the sound source data, a sound in accordance with the fitness. The one or more processors are configured to output the generated sound through the one or more speakers.

Abstract: A crankshaft in which vibrations can be damped effectively without changing a design of a crankcase. The crankshaft comprises a first crank section located at one end of the crankshaft, and a second crank section located at the other end of the crankshaft. In the first crank section, a mass of a first inner balance weight is greater than a mass of a first outer balance weight. In the second crank section, a mass of a second inner balance weight is greater than a mass of a second outer balance weight.

Abstract: A crankshaft in which vibrations can be damped effectively without changing a design of a crankcase. The crankshaft comprises a first crank section located at one end of the crankshaft, and a second crank section located at the other end of the crankshaft. In the first crank section, a mass of a first inner balance weight is greater than a mass of a first outer balance weight. In the second crank section, a mass of a second inner balance weight is greater than a mass of a second outer balance weight.

Abstract: In the configuration of a supporter that at least partially includes a tubular cover portion which covers a part of a human body and which elastically expands and contracts, a load addition pattern portion that is adhered to at least a part of a half or more circumference in a circumferential direction on the front surface of the tubular cover portion and that can apply a load of a predetermined magnitude to the part of the human body when the part of the human body to which the tubular cover portion is fitted is moved is continuously formed of an elastic rubber material. Preferably, as the elastic rubber material, a silicone rubber material is used, and a part or the whole of the area of the load addition pattern portion is formed with a mesh-shaped portion and preferably a honeycomb shape.

Abstract: In the present invention, an internal combustion engine is provided with a variable-compression-ratio mechanism with a variable mechanical compression ratio and the variable-compression-ratio mechanism comprises a drive device for changing the volume of a combustion chamber when a piston reaches top dead center. The drive device comprises a reverse input blocking clutch disposed in a drive power transmission path for transmitting the rotational force of a rotator. A control device estimates the reverse input torque applied to an output shaft of the reverse input blocking clutch and sets a gradient for torque output by the rotator and a continuation duration for continuing the torque increase on the basis of the reverse input torque.

Abstract: An internal combustion engine is provided. The internal combustion engine includes a supercharger that is arranged in an intake passage; an intercooler that is arranged downstream of the supercharger in a direction of intake air flow, in the intake passage; and a blow-by gas returning apparatus. The blow-by gas returning apparatus includes a bypass passage, an ejector, and a blow-by gas passage. The bypass passage connects a first position that is arranged between the supercharger and the intercooler, and a second position that is arranged downstream of the intercooler of the intake passage together. The ejector is arranged in the bypass passage, and configured to draw in blow-by gas from the crankcase through the blow-by gas passage when air flows through the bypass passage from the first position toward the second position.

Abstract: An internal combustion engine comprises a variable compression ratio mechanism that changes the relative position of a cylinder block with respect to a crankcase and a controlling device that controls the variable compression ratio mechanism. The variable compression ratio mechanism contains a driving device that rotates a shaft that includes an eccentric axis, and the drive device includes a clutch that blocks reverse input and is disposed in a drive power transmission route that transmits the rotational power of a motor to the shaft. The control device fixes the mechanical compression ratio to a predetermined low mechanical compression ratio when the amplitude of the rotational power vibration applied to an output shaft of the clutch is less than a predetermined determination value.

Abstract: In the configuration of a supporter that at least partially includes a tubular cover portion which covers a part of a human body and which elastically expands and contracts, a load addition pattern portion that is adhered to at least a part of a half or more circumference in a circumferential direction on the front surface of the tubular cover portion and that can apply a load of a predetermined magnitude to the part of the human body when the part of the human body to which the tubular cover portion is fitted is moved is continuously formed of an elastic rubber material. Preferably, as the elastic rubber material, a silicone rubber material is used, and a part or the whole of the area of the load addition pattern portion is formed with a mesh-shaped portion and preferably a honeycomb shape.

Abstract: A variable compression ratio mechanism of an internal combustion engine includes an operation element, an input actuator, and a reverse input torque cutoff clutch. The reverse input torque cutoff clutch includes a fixed member, a movable member, clearance, a wedge member, and a moving device. A peripheral surface of the fixed member is formed such that the clearance is formed with: a rotation prevention area that prevents the movable member from rotating in a reverse input torque acting direction. When the movable member moves in the direction to change a mechanical compression ratio, the moving device moves the wedge member from the rotation prevention area to the rotation allowable area in an opposite direction and holds the wedge member in the rotation allowable area.

Abstract: In the present invention, an internal combustion engine is provided with a variable-compression-ratio mechanism with a variable mechanical compression ratio and the variable-compression-ratio mechanism comprises a drive device for changing the volume of a combustion chamber when a piston reaches top dead center. The drive device comprises a reverse input blocking clutch disposed in a drive power transmission path for transmitting the rotational force of a rotator. A control device estimates the reverse input torque applied to an output shaft of the reverse input blocking clutch and sets a gradient for torque output by the rotator and a continuation duration for continuing the torque increase on the basis of the reverse input torque.

Abstract: An electrically driven vehicle includes: a vehicle body provided with the vehicle interior, a battery which is mounted to the vehicle body and is able to be used for running, an electric heater which executes an air-conditioning operation which uses an electrical power of the battery when air-conditioning vehicle interior, a power generation device which is at least partly removably mounted to the vehicle body and executes another air-conditioning operation other than the air-conditioning operation which uses the electrical power of the battery when air-conditioning the vehicle interior, and an air conditioning change unit which changes the use state of at least one of the electric heater and the power generation device.

Abstract: A cylinder block (10) includes an inter-bore flow passage (14) between adjacent bores (12). Each inter-bore flow passage (14) is formed by closing an opening-side groove portion (15) continuous from a cylinder block deck face and a bottom-side groove portion (16) with the use of a lid member (20) made of copper, and the lid member (20 is laser-welded to a groove wall face of the opening-side groove portion (15). Before the laser-welding, the lid member (20) has recesses (26) that are interspersed in a direction, in which a laser beam travels, at any one of connected portions at which the lid member (20 is connected to the groove wall face of the opening-side groove portion (15).

Abstract: An internal combustion engine is provided. The internal combustion engine includes a supercharger that is arranged in an intake passage; an intercooler that is arranged downstream of the supercharger in a direction of intake air flow, in the intake passage; and a blow-by gas returning apparatus. The blow-by gas returning apparatus includes a bypass passage, an ejector, and a blow-by gas passage. The bypass passage connects a first position that is arranged between the supercharger and the intercooler, and a second position that is arranged downstream of the intercooler of the intake passage together. The ejector is arranged in the bypass passage, and configured to draw in blow-by gas from the crankcase through the blow-by gas passage when air flows through the bypass passage from the first position toward the second position.

Abstract: An internal combustion engine comprises a variable compression ratio mechanism that changes the relative position of a cylinder block with respect to a crankcase and a controlling device that controls the variable compression ratio mechanism. The variable compression ratio mechanism contains a driving device that rotates a shaft that includes an eccentric axis, and the drive device includes a clutch that blocks reverse input and is disposed in a drive power transmission route that transmits the rotational power of a motor to the shaft. The control device fixes the mechanical compression ratio to a predetermined low mechanical compression ratio when the amplitude of the rotational power vibration applied to an output shaft of the clutch is less than a predetermined determination value.