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Method and system for designing an integrated circuit with reduced noise
Noise current flowing to the outside of an IC (1) with respect to the capacitance value and arrangement location of a bypass capacitor (4) is calculated on the...
Electronic control unit for controlling updating of data in non-volatile
An electronic control unit continuously stores data indicating the monitoring frequency of the diagnosis items determined by the RateBase monitoring method and...
Electrical control unit and control system comprising plural electrical
When ENG frames created in an ENG transceiver unit and ECT frames subjected to gateway processing in an ECT gateway processor are transmitted around the same...
Tire condition monitoring system
A tire condition monitoring system is composed of a detector installed in each tire, a transmitter positioned in the vicinity of each tire, and a monitor...
Rotational position sensor including a helical gear rotor and a magnetic
A rotation sensor has a sensor and a processing circuit that are provided as an integrated circuit chip (IC chip). The sensor has a magnetic resistance element....
In a temperature sensor for an engine, abutting surfaces of two parts that form a compartment for a temperature sensing element of the sensor is interposed with...
Lighting device for a vehicle and method for controlling light
distribution of the lighting device
A lighting device for a vehicle includes multiple light emitting devices. Each light emitting device is constructed of a light emitting diode as a light source...
Fuel injection nozzle having multiple injection holes
A fuel injection nozzle includes: an injection outlet having a plurality of injection holes. Each injection hole has an injection hole diameter defined as D, an...
Air-conditioning unit without air-mix door
An air conditioner for automotive vehicles is disclosed. The flow rates of air supplied to an evaporator (4) and a heater (5) are adjusted by rotationally...
Automotive air-conditioner operable under cooling, heating or air-mixing
An air-conditioner is operated under one mode selected from among three modes, i.e., a cooling mode, a heating mode and an air-mixing mode. Conditioned air...
Air-fuel ratio sensor monitor, air-fuel ratio detector, and air-fuel ratio
An air-fuel ratio sensor monitor is provided which is designed to monitor reactive characteristics or response rates of an air-fuel ratio sensor when an air-fuel...
Pressure accumulation fuel injection controller
A pressure pattern estimation device of a fuel injection controller of an engine estimates a pressure transition of fuel in a common rail. A surplus pressure...
An intake pipe includes a plurality of passages that join in a section upstream of the throttle body. The intake pipe includes an interference prevention member...
Capacitance type physical quantity sensor
A capacitance type physical quantity sensor detects physical quantity. The sensor includes a movable portion including a movable electrode and a fixed portion...
Compressor control system for vehicle air conditioner
In a compressor control system for a vehicle air conditioner, a hybrid ECU of the vehicle controls a rotation speed of a compressor electric motor. In this case,...
Air-fuel ratio control system and method
An air-fuel ratio control system has an upstream catalyst, a downstream catalyst, a first sensor for detecting a first air-fuel ratio present upstream the...
A power stack includes cooling pipes and semiconductor modules which are alternately laminated. Each cooling pipe includes an inside space dissected into cooling...
A scanning apparatus includes a mirror coupled to a base via a spring portion, and a light source for emitting a beam toward a reflecting surface of the mirror...
Constant current circuit
A constant current circuit in which a bias voltage of a field effect transistor is set includes a bias circuit which sets, as the bias voltage, a gate-source...
Electric power generating system for vehicle
An electric power generating system for a vehicle includes a generator having a field coil, a voltage regulator, a temperature sensor for sensing temperature of...
Motor driving system
A motor driving system for an electric motor includes a pulse width modulating circuit which provides driving pulse signals whose pulse width is modulated to...
Spark plug with noble metal chip joined by unique laser welding and
fabrication method thereof
A spark plug is provided which ensures the reliability of a weld between a noble metal chip and a ground electrode as well as higher durability and ignitability...
Semiconductor device, cutting equipment for cutting semiconductor device,
and method for cutting the same
A method for cutting a semiconductor device is provided. The device includes a first semiconductor layer, an insulation layer, and a second semiconductor layer....
Engine control apparatus
The engine control apparatus includes: the stop switch body 6; the stop switch knob 3 that allows the engine to stop or to be in an idling state; the lock plate...
Vehicular brake control apparatus and control method of vehicular brake
A vehicular brake control apparatus includes a braked member that rotates together with a wheel, a braking member, an electric driving device that presses the...
Valve control device reducing noise
A valve control device corrects a change rate of an opening degree of a valve in accordance with engine rotation speed when deposit elimination operation is...
Fuel supply system of internal combustion engine
A high-pressure pump is formed with a secondary suction passage, which branches from a fuel suction passage and communicates with a pump chamber. Check valves...
Torque direction detecting device for brushless motor
A torque direction detecting device for an electric motor includes a resolver which provides a pair of a sin .theta. signal and a cos .theta. signal with .theta....
A pressure sensor includes a semiconductor substrate and a pedestal member such as a glass pedestal. The semiconductor substrate has a diaphragm for detecting a...
A ring-like groove 140 for accommodating a seal ring 130 is formed in fitting surfaces 12c and 13c of pressure introduction portions 12b and 13b for introducing...
The gyro sensor uses a clock signal as a timing signal or synchronous signal for reading various data stored in a built-in memory for its yaw rate sensing...
Misfire detector using linear detection of crankshaft angular speed
A misfire detector detects a misfire in a cylinder based on a maximum value and the minimum value of the angular speed. A first crank angle range is defined in...
Encapsulated electrically driven compressor
The invention relates to an encapsulated electrically driven compressor for a motor vehicle and has an object to prevent electrical parts for connecting an...
Exhaust gas purification system of internal combustion engine
An electronic control unit estimates progress of growth in a particle diameter of an ash accumulated in a diesel particulate filter (a DPF), based on an...
Method and apparatus for controlling an engine using a cam signal
In an apparatus, an abnormality determining circuit determines whether a crank signal is abnormal, and a switching circuit switches an input signal to an edge...
Electronic control system having power source relay fusion detecting
An electronic control system comprises a power source, a controller and a power source relay for supplying and cutting off a supply of power to the controller. A...
Indicating instrument for vehicle
A circuit board is divided into two portions: a flexible printed circuit board; and a printed circuit board. On the flexible circuit board, movements whose...
Vehicle-mounted electrical generating system in which field current of
electric generator supplying power to...
A vehicle-mounted electrical generating system has a first voltage system which operates from a high supply voltage and a second voltage system which operates...
Rotary electric machine
In a rotary electric machine, each stator coil includes a bobbin that is fitted to one of teeth of a stator core and a phase coil is wound around the bobbin....
AC generator for vehicles
The present invention provides an AC generator for a vehicle, capable of improving the cooling capability and environmental resistance of a rectifier. The...
Fuel pump having electric motor integrally contained in single housing
A fuel pump having a pumping impeller and an electric motor integrally contained in a cylindrical housing is submerged in a fuel tank of an automotive vehicle....
Variable transmission ratio steering apparatus
A variable transmission ratio steering apparatus for a vehicle is configured with an input shaft coupled to a steering wheel of the vehicle, a sensor for sensing...
Cylinder-by-cylinder air-fuel ratio controller for internal combustion
During a learning mode period, the fuel correction coefficient is forcibly changed three times from a situation in which no correction is necessary, whereby the...
Fuel injector designed to optimize pattern of fuel spray
A fuel injector for an internal combustion engine which has a spray hole designed geometrically to produce a spray of fuel so that substantially 70% or more of...
Control apparatus and control method for internal combustion engine
In an control apparatus and a control method for an internal combustion engine with a variable valve-characteristic mechanism that changes a valve characteristic...
A shock absorbing device 8 includes a transmitting section 81, first friction plates 82, second friction plates 83, and a dish spring 84. The transmitting...
Angular velocity sensor
A vibration-type angular velocity sensor realizing a suitably vibrating state of the vibrators by canceling the displacement of the vibrators caused by the...
When a vehicle performs route calculation at a current position, the number of lanes at the current position is found. A predetermined correspondence between the...
Rotary electric machine
In a vehicular alternator, a stator is arranged to oppose a rotor in a housing. The stator includes a stator core, which forms a plurality of slots extending in...
A stator having a stator core about which a coil is wound is secured to an aluminum frame. A magnet-embedded type rotor is rotatably accommodated inward of the...