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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...
Mold type semiconductor device
A mold type semiconductor device includes a semiconductor chip including a semiconductor part; a metallic layer; a solder layer; and a metallic member connecting...
Automatic transmission control device
An automatic transmission control device adjusts a hydraulic pressure of a working fluid to generate pressures applied to a plurality of friction elements of an...
Injection hole plate and fuel injection apparatus having the same
In an injection hole plate of a fuel injection apparatus, a second-side hole section of each injection hole extends from a downstream end of a base wall of the...
Separately air-conditionable vehicle air conditioning unit
A vehicle air conditioning unit includes an air duct, through which air is blown into a passenger compartment, and a partition board, which partitions the air...
Displaying instrument and luminous pointer
A luminous pointer of a displaying instrument has a pointer body with a light emitting area that is divided into subsections with prisms. The subsections are...
Highly reliable torque sensor
A torque sensor is provided which consists of a magnet, an assembly of magnetic rings, and a magnetic sensor. The magnetic rings have claws arrayed thereround at...
Sealed diaphragm pressure sensor
A pressure sensor includes a pressure detecting chamber sectionally formed by a diaphragm for receiving measured pressure and a semiconductor chip having a...
Pressure-detecting device and method of manufacturing the same
One end of a rod-like pressure-conveying member is disposed in a sensing unit, and the other end extends into and through an insertion hole of an engine. A...
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...
Door control system and method for vehicles
A door control system for vehicles has a transmitter and a receiver for detecting an electronic key in a first predetermined area around a vehicle. A control...
Failure monitor for motor drive control system
A failure monitor designed to monitor a failure in operation of a motor drive control system. The system works to drive a motor-driven member through an output...
Semiconductor module having inner pressure release portion
A semiconductor module includes a semiconductor chip having a first surface and a second surface; a first electrode plate contacting the first surface of the...
Semiconductor device having high withstand capacity and method for
designing the same
A semiconductor device includes a semiconductor substrate, a low concentration region, an intermediate concentration region, the first electrode region, and the...
Method for measuring water content of fuel cell based on conductivity of
A measuring method first calculates the conductivity of an electrolyte membrane based on measured output voltage and output current of a fuel cell. The water...
Automatic vehicle headlight beam direction adjustment system
An automatic vehicle headlight beam direction adjustment system, able to learn early of errors in front road information from a navigation system and eliminate...
Controller for automobile
A control duty is obtained, which asymptotically makes the output of a control subject consistent with an output of a reference model. The output of the control...
Method for manufacturing printed wiring board
Conductive paste containing tin particles and silver particles is packed in a substantially cylindrical via hole formed in a thermoplastic resin film that...
Fuel supply system
The Fuel supply system reduces fuel quantity initially supplied and ineffective residual quantity of fuel. A throat in the shape of a passage is provided at a...
Physical quantity sensor with trimming function
When a voltage applied to an output terminal exceeds a power source voltage to be supplied during an ordinary operation state, a reset signal turns into L level...
Retry limits for connection rescue procedures in telecommunication systems
An efficient and safe procedure to limit the number and concentration of attempts to rescue communication connections from dropping is disclosed. One embodiment...
Interference determination method and FMCW radar using the same
Occurrence of interference is detected using sampled amplitude data obtained by oversampling a beat signal. It is detected by comparing the absolute value (|VD|)...