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Control apparatus for electrical generator apparatus of motor vehicle
A generator control apparatus, for controlling electrical generation operation of a vehicle alternator, has a LAN circuit and a dedicated communication circuit,...
Wiper control system
A wiper control system for detecting an amount of raindrops landed on a windshield of a vehicle and driving a wipe operation of a wiper to wipe the landed...
Traction motor control system
For controlling a traction motor of a vehicle, a current command value is determined based on a torque command and a load value representative of running load of...
Semiconductor device having metallic plate with groove
A semiconductor device includes: first and second metallic plates, each of which includes a heat radiation surface and an inner surface; a semiconductor element...
Power composite integrated semiconductor device and manufacturing method
A high-reliability power composite integrated semiconductor device uses thick copper electrodes as current collecting electrodes of a power device portion to...
Collision impact detector for use in automotive vehicle
A collision impact detector detects deceleration of a vehicle caused by its collision with another vehicle or an obstacle. A rotor is rotatably supported on a...
Three-way valve and fuel injection device having the same
A three-way valve having a valve chamber with a low-pressure port, a high-pressure port, and a control port is provided. The three-way valve also has a control...
Air conditioner for vehicle use
When it is assumed that a vehicle is stopped or parked after its engine was stopped and a predetermined period of time has passed, a cold wind side air mixing...
Ignition coil and method for manufacturing an ignition coil
An ignition coil is disclosed. The ignition coil includes an insulative material, a body, and a head coupled to the body. A portion of the insulative material is...
Gas density ratio detector, gas concentration detector, and fuel vapor
When a gas flow producer is driven, plural kinds of gases flow into a measure-passage at respective timing. An orifice is provided in the measure-passage. The...
Fuel injection pump having filter
A fuel injection pump includes a cam rotating with a camshaft, a cam ring revolving around the camshaft, a housing, plungers for pressurizing and ...
Emission gas recycling equipment having butterfly valve
Emission gas recycling equipment includes a passage for recycling a part of an emission gas and a control valve for controlling an amount of the part of the...
Fuel injection system executing overlap injection operation
A control device executes an overlap injection operation, in which one of the plurality of injectors is energized first to inject fuel, and a next one of the...
Spark plug with increased durability
A spark plug is provided which is designed to be compact without sacrificing a mechanical strength of a porcelain insulator. The spark plug includes a metal...
Actuator for valve lift controller
An actuator for a valve lift controller linearly driving a control shaft of a changing mechanism comprises a feed screw mechanism including a screwed shaft...
Angular rate sensor having circuit board and package
An angular rate sensor includes: a circuit board; a package including an angular rate sensor chip and a connection terminal; and a conductive member. The angular...
Unbalance measuring apparatus
A bearing 41 of a support portion 4 for rotatably supporting a shaft 11 of a rotating body 10 to be measured with respect to the magnitude of unbalance thereof...
Air flow rate measuring device having bypass passage
A measurement body is provided with a sub-outlet arranged between a U-turn portion of a bypass passage and a main outlet. The sub-outlet includes a first...
Vehicle tire air pressure detection system and method
In a vehicle tire air pressure detection system, a charging electromagnetic wave is transmitted for a predetermined period from a vehicle chassis side and stored...
Vane pump and fuel vapor leakage check module having the same
A vane pump includes a motor arrangement, a rotor, a casing and bolts. The motor arrangement includes a mount. The rotor includes vanes and is rotated by the...
A vehicular angular velocity sensor system executes abnormality detection of angular velocity sensors based on comparison between output states of corresponding...
Sense amplifier circuit
A compact sense amplifier circuit for amplifying reading signal of an EPROM includes a bit line connected to cells of the EPROM and a transistor circuit for...
Airbag electrical control unit
An airbag electrical control unit mounted in a vehicle includes a position detecting circuit that detects a current position of the vehicle; a computing circuit...
Method and apparatus for sensing angle of rotation which compensates an
output signal from a magnetic sensor...
An angular position sensor including a magnetic field generator means and a magnetic sensor means. The magnetic field generator means produces a magnetic field....
Circuit for outputting stable reference voltage against variation of
background temperature or variation of...
A reference voltage circuit includes an operational amplifier, a first fixed resistance resistor, a second fixed resistance resistor, a third fixed resistance...
Drive unit for automatic transmission
A drive unit for an automatic transmission has a hydraulic circuit changing device for changing a hydraulic circuit so that one of the hydraulic control portions...
Evaporator for refrigerating cycle
An evaporator for an air conditioning apparatus has an upper and a lower tanks and multiple tubes vertically extending and respectively connected to the tanks at...
Heat exchanger and heat transferring member with symmetrical angle
A plurality of angle portions 2c of the fins on an upstream side and those on a downstream side of an air flow are provided so as to be substantially symmetrical...
Cooler for cooling both sides of semiconductor device
An object of the present invention is to provide a cooler for cooling both sides (top and bottom surfaces) of a semiconductor device, wherein the variation of...
Pressure sensor with processing circuit covered by sensor chip
A pressure sensor includes a connector case having a recess, in which a sensor chip is contained and an oil is filled. The recess filled with the oil is sealed...
Leak detector for evaporated fuel
An evaporated fuel leak detector detects leakage of an evaporated fuel generated in a fuel tank. The detector includes: a differential pressure valve, a pump for...
Exhaust gas purification system of internal combustion engine
An electronic control unit of an internal combustion engine calculates a basic post-injection quantity of temperature increasing means if a deposition quantity...
System and method for the co-ordination and control of information supply
using a distributed multi-agent platform
A system and method for co-ordinating the supply of information from content service providers to a user, the system and method employing agents to search...
Physical quantity detecting method and sensor device
A physical quantity is detected by approximating a relationship between an output of a sensor and the physical quantity to be determined by the sensor by setting...
Apparatus, method, and program for generating range-image-data
First image data including a first pixel value according to the intensity of background light is obtained by means of only exposure. Second image data including...
A spark plug includes a metal shell, an insulator, a center electrode, a ground electrode, and a terminal fixed to the insulator. The dimensional parameters in...
Brushless synchronous motor
A brushless synchronous motor includes a stator having a plurality of phase coils, a rotor disposed opposite the stator, a magnetic sensor for detecting a...
Semiconductor device having a metal conductor in ohmic contact with the
gate region on the bottom of each groove
A silicon carbide semiconductor device such as JFET, SIT and the like is provided for accomplishing a reduction in on-resistance and high-speed switching...
Silicon carbide semiconductor device having junction field effect
transistor and method for manufacturing the same
A silicon carbide semiconductor device includes a substrate and a junction field effect transistor. The transistor includes: a first semiconductor layer disposed...
A raindrop sensor for sensing water attached to a second surface of a transparent body includes a light emitting element, a light guide body, a light receiving...
Semiconductor wafer and semiconductor device manufacturing method using
In a method of manufacturing a semiconductor device, a semiconductor wafer is prepared that includes a plurality of IC chips, each having a circuit including a...
Air direction changing system for vehicular air ducts
A vehicle air conditioning system secures an appropriate temperature difference in the air blown through vertically arranged air ducts when the system is in a...
Canister having absorbent and internal purge pump
A canister includes a casing that has a tank port connected to a fuel tank, an atmospheric port connected to an atmospheric passage communicating with...
Fuel injection apparatus for internal combustion engine
A fuel injection apparatus has an accumulator, a booster, a nozzle, a hydraulic circuit, a hydraulic pressure valve and a control valve. At least one of a...
Electronic throttle control apparatus for internal combustion engine
An electric throttle control apparatus for an internal combustion engine includes a throttle motor that operates the throttle valve. A throttle control unit...
A pressure sensor includes a hollow cylindrical stem, a sensor chip, and a wiring board. The hollow cylindrical stem has a pressure-sensitive flexible diaphragm...
Air flow rate measuring device having sensing unit
A sensing unit is constructed of a heater element and a temperature sensing element. The sensing unit is arranged in a region, in which measurement air, which...
Inner terminal installation jig used to install an inner electrode
An inner terminal installation jig used to install an inner electrode terminal mount formed on an inner peripheral surface of a hollow cylindrical sensor element...
Electronic control unit
In an electronic control unit, a case has a peripheral side portion formed with a concave groove in which a connector is fitted with a clearance portion between...
Tire inflation pressure sensing apparatus with high reliability and
A tire inflation pressure sensing apparatus according to the present invention includes a transmitter and a receiver. The transmitter is provided on a wheel of a...