Abstract: An electric power converter is provided which includes a stack body made of a stack of a plurality of electronic devices and cooling medium flow paths in which cooling medium flows. The electric power converter also includes a housing in which the stack body is disposed. The housing 3 has a stack facing wall which faces the stack body in a stacking direction. The stack facing wall has an in-wall flow path in which the cooling medium flows and which communicates the cooling medium flow paths. This structure enables the electric power converter to be reduced in size thereof.
Abstract: An engine control apparatus determines that a piston is at a compression top dead center immediately before engine speed of an engine becomes zero if of the engine speed at the compression top dead center of the engine in a rotation drop period while the engine speed drops to zero after combustion of the engine is stopped. In the case where it is determined that the piston is at the compression top dead center immediately before the engine speed of the engine becomes zero, the engine control apparatus applies counter torque by the rotating electrical machine from the compression top dead center to stop the piston at a rotation angle position in a first half period of expansion process by application of the counter torque.
Abstract: A rotor included in a rotary electrical machine has magnet, through holes, a rotor core, storage holes, introduction members, a side plate, etc. The introduction members communicate partly or entirely with openings of the one or more through holes and introduce a refrigerant. Each of the introduction members includes an intake portion, a protrusion portion, and a communication portion. The intake portion is provided at the one end of the protrusion portion and is opened toward the rotational direction of the rotor to take in the refrigerant. The protrusion portion protrudes axially from the end surface of the rotor. The communication portion is provided at the other end of the protrusion portion and communicates with the opening.
Abstract: A battery control unit is adapted for a power supply system provided with a storage battery series-connected battery cells, a filter circuit, a discharge circuit, and a connection member connecting between the battery cell and the filter circuit. The battery control unit includes a voltage detection unit detecting voltage at the battery cell where noise is eliminated by the filter circuit, the voltage being detected immediately before/after a discharging is performed through the discharge circuit; a correction value calculation unit that calculates an amount of a voltage drop at the connection member when a discharging is performed through the discharge circuit, to be a correction value; and a voltage calculation unit that calculates voltage of the battery cell by adding the correction value calculated by the correction value calculation unit to a post-discharge voltage detected immediately after the discharging by the voltage detection unit.
Abstract: The present disclosure provides a system for providing a driver of a host vehicle being stopped with a preliminary notification that remote vehicles forming a queue in front of the host vehicle are likely to start moving. The system includes a receiver, a notifying device, a determiner, and a controller. The receiver is configured to receive messages from the remote vehicles through Vehicle-to-Vehicle (V2V) communications. The notifying device is configured to provide the driver with the preliminary notification. The determiner is configured to determine whether a specified vehicle among the remote vehicles other than a preceding vehicle directly ahead of the specified vehicle starts moving based on the messages sent from the specified vehicle. The controller is configured to control the notifying device to provide the preliminary notification when the determiner determines that the specified vehicle starts moving.
June 7, 2017
Date of Patent:
June 11, 2019
DENSO International America, Inc., DENSO CORPORATION
Abstract: A certification tool configured to communicate with a dedicated short range communication system includes a vehicle identification unit, a message generation unit, and a communication unit. The vehicle identification unit generates unique vehicle identifications for a target number of remote vehicles. The message generation unit generates messages at a target number of transmitted messages per second for each remote vehicle, and the communication unit communicates the messages to the test vehicle to achieve a target congestion level.
August 7, 2017
Date of Patent:
June 11, 2019
DENSO International America, Inc., DENSO CORPORATION
Abstract: An operation system includes: an operation device manually operated by a user and inputting a command of an operation content to a command target apparatus selected from multiple apparatuses; a selection device selecting one apparatus as the command target apparatus according to multiple visual line regions individually set in relation to the apparatuses and a visual line direction of the user detected by a visual line detection sensor, the one device relating to one visual line region disposed in the visual line direction; and a selection maintaining device maintaining a selection state of the command target apparatus even when the visual line direction is changed to another direction pointing to none of the visual line regions while the command target apparatus is selected.
Abstract: A laser range finding apparatus includes a light emitting section that emits a laser light, a light receiving section that receives the reflected laser light from a detection object, the light receiving section including a plurality of photo detectors for respectively receiving a plurality of different transmission wavelength bands of the laser light, an identifying section that identifies each of the photo detectors each of whose output indicating signal waveforms of the received reflected laser light is not saturated as an unsaturated photo detector, and a distance calculating section that calculates a distance to the detection object based on a light detection timing at which the reflected laser light is received by the unsaturated photo detector.
Abstract: Provided is a vehicle control device including an operation amount obtaining unit, a first setting unit, a second setting unit, and a third setting unit. The operation amount obtaining unit obtains a driver's driving operation amount. The first setting unit sets a first target value for vehicle travel control based on the driving operation amount obtained by the operation amount obtaining unit. The second setting unit sets a second target value for controlling the vehicle travel by automated control. The third setting unit sets a third target value for actually controlling the vehicle travel by synthesizing the first target value and the second target value based on the driving operation amount or the first target value.
Abstract: An information providing apparatus in a vehicle coordinates with a first light emitter including light-emitting elements arranged in a linear form including at least one line on a compartment side of a door of the vehicle, and a second light emitter projecting light onto a projection target member in a forward visual field of a driver of the vehicle. The information providing apparatus repeatedly acquires status information including surroundings status indicating status of surroundings of the vehicle, and executes control to the first light emitter and second light emitter based on the status information. The control makes the first light emitter and second light emitter provide light emission in a light emission mode associated with acquired surroundings status indicated by the status information.
Abstract: An image processing apparatus extracts, as a display image, a part of an image captured by a wide angle camera, the wide angle camera being arranged at a position deviated from a vehicle center line that is a center line of a vehicle in a longitudinal direction and being configured to increase a degree of size reduction of an object as being farther from a center of the captured image. The image processing apparatus includes a control circuit that extracts the display image. The control circuit includes an extraction determination portion. The extraction determination portion determines an extraction position of the display image in the captured image according to a center position of the display image to the vehicle center line and the degree of size reduction of the object represented at a pixel of a specific position in the display image.
Abstract: An ejector has a nozzle, a body, a passage defining member and a drive portion. The body has a refrigerant suction port and a pressure increasing portion. A nozzle passage is defined between an inner surface of the nozzle and an outer surface of the passage defining member and has a minimum sectional area portion, a tapered portion, and an expansion portion. The minimum sectional area portion has a smallest passage sectional area. The tapered portion is located upstream of the minimum sectional area portion in a refrigerant flow direction and has a passage sectional area decreasing toward the minimum sectional area portion gradually. The expansion portion is located downstream of the minimum sectional area portion in the refrigerant flow direction and has a passage sectional area increasing gradually. The passage defining member has a groove that is recessed to increase the passage sectional area of the nozzle passage.
Abstract: The heat exchanger has tubes and a header tank that is located at an end of the tubes in a longitudinal direction and communicates with the tubes. The header tank has a core plate that connects to the tubes and a tank body that is fixed to the core plate. The core plate has a tube connection surface, a sealing surface, and an inclined surface that connects the tube connection surface and the sealing surface with each other. A distance between the tube connection surface and an end surface of the tubes in the longitudinal direction is different from a distance between the sealing surface and the end surface in the longitudinal direction by disposing the inclined surface to incline with respect to the longitudinal direction. The tubes connect to the tube connection surface and the inclined surface in a condition of being inserted to the tube connection surface and the inclined surface.
Abstract: A vehicle control system is provided which is used in a vehicle equipped with an engine as a drive power source and works to establish engagement of a pinion of a starter motor with a ring gear mounted on a rotational axis of the engine and then actuate the starter motor to start the engine. The vehicle control system executes a preset mode to move the pinion to achieve the engagement with the ring gear when the rotation speed of the engine has dropped below a given threshold value. The threshold value is determined as a function of speed of the vehicle, thereby alleviating a driver's perception about unwanted mechanical noise arising from impact the pinion on the ring gear upon the engagement therebetween.
Abstract: The present disclosure provides a navigation apparatus that is capable of switching between the display of a direction sign image and the display of an enlarged view of an intersection and reducing an erroneous recognition of a target intersection made by a driver. The navigation apparatus displays the direction sign image related to the target intersection when a distance between the host vehicle and an installation location of the direction sign is within a sign display distance. The navigation apparatus displays an intersection enlarged view of the target intersection when a distance between the host vehicle and the target intersection is within an enlarged view display distance, which is set shorter than the sign display distance.
Abstract: A pressure reducing valve control apparatus is provided for a fuel supply system having a common rail and a pressure reducing valve to control rail pressure in the common rail by controlling a current supply state of the pressure reducing valve. The pressure reducing valve operates to open a valve body for discharging fuel from the common rail against a biasing force applied in a valve-closing direction by fuel-generated valve-opening force biasing the valve body in a valve-opening direction by the rail pressure and an electromagnetic force generated by current supply to an electromagnetic coil. The ECU starts to open the valve body during a period of holding a hold value by holding current supplied to the electromagnetic coil at a predetermined hold value after starting current supply to the electromagnetic coil. The ECU sets the hold value to increase as the rail pressure decreases.
Abstract: A sensor device includes: a detection device that detects a predetermined physical quantity and converts the physical quantity into a detection signal; a communication device that is to be connected to a controller through a first line and a second line, performs at least one of reception from the controller or transmission to the controller by a differential transmission method and, based on a request signal received from the controller, transmits the detection signal generated by the detection device; and a conductive shield member that is applied with a constant potential and covers the detection device and the communication device. The conductive shield member reduces radiation noise generation and simplifies the sensor device structure.
Abstract: A robot device includes an arm, a force sensor, and an adjustment portion. The force sensor is provided at a front end portion of the arm and has a force detecting portion that detects an externally exerted force. The adjustment portion performs a zero point adjustment by setting a reference point of the force detected by the force sensor based on a detection result by the force sensor. The detection result is obtained when the force detecting portion of the force sensor is in a protected condition. The protected condition is a condition in which no load is applied on the force detecting portion of the force sensor. According to this robot device, a technology for accurately setting the reference point of the force detected by the force sensor can be provided.
October 12, 2016
Date of Patent:
June 11, 2019
Kazutaka Toyoda, Tsuyoshi Ueyama, Go Mukumoto
Abstract: A rotary electric machine includes a rotating shaft 18 rotatably supported by a housing, a stator including armature windings, a rotor including field cores and field windings, slip rings electrically connected to the field windings, brushes contacted and electrically connected to the slip rings, and a brush holder including the brushes and terminals. The rotor is provided with one or more fans. The terminals include exposed portions exposed at least partially from the brush holder, and the exposed portion are disposed on a ventilation path of a cooling airflow W generated by rotation of the fans. Accordingly, since the exposed portion are disposed on the ventilation path of the cooling airflow, heat caused by an energization can be efficiently dissipated, and heat generated in the brushes due to the interfacial friction is dissipated from the exposed portions.
Abstract: A power conversion apparatus includes a semiconductor module, an electronic component, a cooling member, a casing and a pressurizing member. The electronic component includes a load application part that receives a load caused by pressurizing force on a surface in a pressurizing member side with respect to the lamination direction; a load supporting part that comes into contact with a contact part of the casing on a surface opposite to the pressurizing member side with respect to the lamination direction; and a fastening part fastened to a casing fastening part. The load supporting part is disposed between the load application part and the fastening part; moment of force around the load supporting part is produced in the electronic component by the load applied to the load application part; and the moment causes the electronic component to be pressed towards a pressed part of the casing.