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Bus communication system
A bus communication system is equipped with an operation scheme based on a trouble detection method that prevents a halt of the entire bus communication system...
Fuel injection control system
An apparatus aims at learning a deviation from a reference injection characteristic of a fuel injector provided for a cylinder of an engine having an output...
On-vehicle radio communication apparatus
In an on-vehicle radio communication apparatus, when the battery is in a voltage discharging state, every time a predetermined period pases, a current...
Ultrasonic sensor and obstacle detection device
An ultrasonic sensor includes: a first vibrator for transmitting an ultrasonic wave; multiple second vibrators for outputting a reception signal of a reflection...
Ultrasonic sensor having compressively deformed spring resiliently
attaching sensor body and bezel
An ultrasonic sensor has a sensor body and a bezel having a metal spring attached on a side wall thereof for installation on a vehicle component. A free end of...
Obstacle detection system
An obstacle detection system has multiple ultrasonic sonars. When a threshold value used for determining an existence of an obstacle is compared with a receiving...
Method and device for detecting errors in charging lines
In a device for detecting errors in a charging line, the device detects an error in the charging line connecting the vehicle generator and an on-board battery....
Segment connection type electric rotating machine
The segment connection type electric rotating machine includes a stator coil constituted by phase coils each of which includes a U-shaped segment continuum...
Dial-type manipulator having mark for confirming correct engaging position
A dial-type manipulator is used to manipulate devices mounted on an automobile, such as an air-conditioner, an audio system or a navigation system. The dial-type...
Fluid circuit module and automatic transmission
A fluid circuit module controls a fluid to be supplied to a movable element in an automatic transmission. The fluid circuit module is provided with a first body...
Air passage opening and closing device capable of preventing uncomfortable
An air passage opening and closing device for controlling an air flow for air-conditioning a vehicle compartment which is adapted to reduce an uncomfortable...
Screw boss with snap fitting
A connection joint employs a first piece defining a protruding boss and a threaded hole. A second piece resides over the first piece and has a through hole that...
Rolling bearing assembly having magnet to prevent brittle flaking
A rolling bearing assembly according to the present invention includes an inner ring, an outer ring, a plurality of rolling elements interposed between the inner...
Attachment nut for oil cooler line
A mounting arrangement for coupling an oil line to an oil cooler includes an oil cooler defining a first fluid passage. A fluid line defines a second fluid...
Automotive air conditioning system
An automotive air conditioning system has a primary hot water circuit 11 located on a side where a vehicle installed heat generator 10 is located and a secondary...
Fuel injection apparatus having fuel supplier for displacement amplifying
According to the present invention, a fuel injection apparatus includes a high-pressure passage, a low-pressure passage, an actuator, a first and a second...
Fuel injection controller
A fuel injection device calculates a variation correction value by incorporating in-cylinder pressure into injector individual data based on an injection rate of...
Control apparatus and a control method thereof
A control apparatus for an internal combustion engine including a plurality of cylinders and a changing mechanism the changes a timing at which an intake valve...
LCD display and gauge with belt or cable driven pointer
An indicating instrument such as a speedometer has a numerical scale, a belt and a pointer attached to the belt to indicate different scale positions. A display,...
Structure of engine starter equipped with planetary gear speed reducer
A starter for automotive engines is provided which is equipped with a planetary gear train working as a speed reducer. The starter also includes a partition...
Fuel level gauge for use in automobile
A fuel level gauge is advantageously used in a fuel tank of an automobile. The fuel level gauge installed in a fuel tank includes a float floating on the fuel...
Ejector type refrigerating cycle
An ejector type refrigerating cycle comprises a compressor, a heat radiating device, an ejector, and a first vaporizing device, which are connected in a circuit...
A communication system includes a master control unit, a plurality of slave control units, and buses connecting the master control unit and the slave control...
Cylinder air-fuel ratio controller for internal combustion engine
An air-fuel ratio of each cylinder is estimated on the basis of the detection value of an air-fuel ratio sensor disposed in an exhaust confluent portion. An...
Driving assistance system
A driver's gaze distribution is detected. Based on the detected distribution, an image corresponding to a driver's visual-field is extracted from images...
Handsfree device and mobile phone handset
By executing a ring-tone determination program and so on, a handsfree device transmits range information to a mobile phone handset connected with the handsfree...
Ultrasonic object detector
An object detector capable of reliably detecting objects around a vehicle is mounted on a wall of a bumper of a vehicle. Thicknesses of the bumper and of a...
Motor driving device
A motor driving device is disclosed that includes a first drive circuit that drives a first electric motor and increases a rotational speed of the first electric...
Method of diagnosing main relay by use of electronic control unit and
electronic control unit
The electronic control unit includes a control section monitoring a manipulation of an ignition switch of a vehicle and a timer section for automatically...
Method for manufacturing semiconductor device having trench
A method for manufacturing a semiconductor device includes steps of: forming a trench on a semiconductor substrate, which is made of silicon; and filling the...
Fuel cell system
The measurement precision of a current detector of the fuel cell in a fuel cell system is improved. Where the fuel cell system 20 has not started operation, the...
Common rail having orifice
A bush incorporated in a common rail is formed with a smallest diameter orifice having a small inner diameter and an adjacent orifice having an inner diameter...
Differential pressure sensor having symmetrically-provided sensor chips
and pressure introduction passages
A differential pressure sensor includes a case, a first and a second pressure sensing element, a first and a second pressure introduction passage, and a...
Voice control system
A voice control system receives a voice command from a user via a microphone. A command executability determination circuit determined whether the voice command...
Vehicular passenger protection system against lateral collision
A vehicle has two acceleration sensors, which are provided forward and rearward respectively from the rear end of a driver seat in the vehicle. The acceleration...
Automotive hands-free apparatus
An automotive hands-free apparatus, connectable via wireless connection with a portable phone, has the capability of temporarily disconnecting a wireless...
Information processing system
An information processing system includes a management device mounted on a vehicle, and a terminal device outside the vehicle. The management device performs as...
Onboard display device
A display device for a vehicle includes a liquid crystal display (LCD), a panel heater, and a display control circuit. The LCD has a LCD panel and the panel...
Wheel identifying apparatus and tire inflation pressure detecting
apparatus with function of wheel identification
A wheel identifying apparatus according to the present invention includes a plurality of transceivers, a triggering device, a receiver, and a wheel identifier....
Vehicle door control system and method
When a compartment internal transmitter of a vehicle-side unit transmits a request signal with vehicle doors opened, at least one of strength of the request...
Method of estimating magnetic pole position in synchronous motor
In a method of estimating a magnetic pole position in a synchronous motor, an alternating current voltage having .alpha.- and .beta.-axes components in an...
Discharge lamp lighting apparatus
The discharge lamp lighting apparatus includes a power section operating to generate a high voltage to be applied to a discharge lamp to trigger electrical...
Piezoelectric stack and production method of piezoelectric stack
An object of the present invention is to provide a piezoelectric stack substantially free from deterioration in performance and having high reliability, and a...
Permanent magnet type three-phase ac generator
A permanent magnet type three-phase ac generator includes a stator having 3n (n is an integer) teeth and a tree-phase armature winding and a rotor having 4n...
Circuit substrate and manufacturing method thereof
A circuit substrate includes a plurality of dielectric members and a plurality of wiring patterns. The plurality of wiring patterns are stacked on one another...
Infrared-type gas detector
An infrared-type gas detector is provided with a Fabry-Perot filter through which infrared having a predetermined wavelength is selected to pass, a first...
Passenger protecting system
A passenger protecting system is provided with at least two sensors which detect an impact to a vehicle, a determining unit for determining a collision with the...
Engine torque control apparatus and method for adjusting engine torque
An engine torque control apparatus is applied to an engine control system comprising an engine for rotating an output shaft by using torque generated through...
Variable valve timing controller for internal combustion engine
In a case of switching the control mode between the reference timing control mode and the F/B control mode, when an engine speed is greater than or equal to a...
Ultrasonic sensor for use in automotive vehicle
An ultrasonic sensor for detecting a position and/or a shape of an object located around an automotive vehicle is mounted on a structure of the vehicle such as a...