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Electronic control unit, electric power-assisted steering device and
transmission ratio-variable steering unit
An electronic control unit for producing a sufficiently boosted voltage even when a supply voltage becomes high includes an inverter that drives switching...
Spark plug for internal combustion engine
Carbon fouling adhered on an insulator tip of a spark plug of the present invention is burnt down by a leak current during an inductive discharge period, due to...
AC motor having stator windings formed as loop coils, and control
apparatus for the motor
A synchronous AC motor has a stator with stator poles arranged as a plurality of circumferentially extending stator pole groups, with each stator pole group...
Permanent-magnet rotor for an inner rotor type electric rotary machine and
magnet-saving type rotor for a...
A total of three permanent magnets, installed in a rotor core closely to an outer cylindrical surface of the rotor core, are disposed at predetermined angular...
Generator mountable to vehicle
A generator includes a case for accommodating a stator, a rotor and a fan. The case includes two end walls in an axial direction and a peripheral side wall. The...
Semiconductor device having SOI construction
A semiconductor device includes: a semiconductor substrate including a first semiconductor layer, an insulation layer and a second semiconductor layer, which are...
Optical device having movable portion and method for manufacturing the
An optical device includes a semiconductor substrate having an opening, a support member disposed on the substrate, and a movable portion disposed on the opening...
Fuel cell system working to control supply pressure of fuel accurately
A fuel cell system is provided which includes an off-gas recirculating mechanism working to mix an off-gas discharged from a fuel cell with a hydrogen gas...
Apparatus for automatically adjusting direction of light axis of vehicle
The apparatus for automatically adjusting a direction of a light axis of a vehicle headlight of the invention has a configuration in which the swivel control...
Throttle control apparatus having plate-shaped inner connecting member
A throttle body of an electrically controlled throttle apparatus is constructed with a bore wall part, a motor housing part receiving a heavy component such as a...
A fluid machine for a waste heat collecting system for an internal combustion engine has an object to make most use of the collected waste heat and an operation...
Device for detecting response characteristics of sensor
When the output of the AFR ratio sensor is stable in a steady operating state, the amount of fuel is increased by step inputting to detect a point where the...
Control device of automatic transmission
When a request to switch to a shift to a new third shift step is made during performing a shift from a first shift step to a second shift step, a method of...
Vehicular abnormality detecting device
Abnormality of a vehicle is detected while the vehicle is being parked. System normality is set when a tank internal pressure is K2 or more for time T1 or more....
Radio communication device capable of generating melody patterns via
sound, tactical and visual notifications
Sound source pulses are output to a sound drive circuit based on first to fourth sound source data of a ringer melody. Thus, the sound drive circuit drives a...
Brushless motor control apparatus having overheat protecting function
A brushless motor control apparatus detects a phase current flowing in a brushless motor, converts the phase current to a vector current including a d-axis...
Exhaust gas purifying filter with reinforced peripheral area and method
for manufacturing the same
An exhaust gas purifying filter having a high strength and an excellent efficiency of exhaust gas purification and a method for manufacturing the same are...
Piezoelectric ceramic composition and method of production of same,
piezoelectric element, and dielectric element
A piezoelectric ceramic composition not containing lead, able to be sintered at ordinary pressure, and superior to the past in at least one of the properties...
Starter with planetary reduction gear device
In a planetary reduction gear device of a starter, a planet carrier forms gear shafts and planetary gears are rotatably supported by the gear shafts through...
Apparatus for extruding ceramic molding
The extruding apparatus has the molding die to form the ceramic molding, the screw extruder containing the extrusion screw to knead and guide the ceramic...
Extrusion molding apparatus for ceramic molded product
An extrusion molding apparatus comprises a shaping die for producing a ceramic molded product, and a screw extruder having built therein an extruding screw (40)...
Cooling device with water proof structure
A cooling device for cooling an inner part of an approximately sealed box includes a casing and a heat exchanger disposed in the casing. Plural inside air...
Multi-spark type ignition system
A multi-spark type ignition system for an internal combustion engine has a compact energy storage coil. The multi-spark type ignition system includes a energy...
Common rail type fuel injection system
If an inlet pressure of a supply pump sensed by an inlet pressure sensor is higher than a high-pressure side threshold value and an integrated period of the...
Variable valve timing controller
A variable valve timing controller has a phase adjusting mechanism. The phase adjusting mechanism includes a first rotating member and second rotating member...
Valve timing controller
An outer bottom of an engaging member, which is formed as a tubular shape having a bottom, is contact with an inner wall of a housing existing in the opposite...
Actuator for valve lift control device having cam mechanism
An actuator for a valve lift control device linearly moves a control shaft to change a valve lift in accordance with an axial position of the control shaft. A...
Air conditioner for vehicle capable of recovering vehicle deceleration
During the period of deceleration of a vehicle, an air conditioning control unit modifies a target cooling temperature (TEO) of an evaporator to a temperature...
Thermoelectric generating device
A thermoelectric generating device has a thermoelectric element which utilizes an exhaust gas from an engine as a high temperature heat source and an engine...
Drive device for a secondary air injection system
In a secondary air injection system, MOSFETs control supply of electric current to an air pump and to a motor for driving an electromagnetic valve and to an...
Control device for internal combustion engine
An intake passage upstream of a throttle valve is divided into a plurality of intake divided-flow conduits, and air flow meters are arranged in the respective...
OFDM communication system and transmitter-receiver for use in the system
A diversity OFDM communication is performed between a base terminal and a mobile terminal, both having a horizontal polarization antenna and a vertical...
Unit for sensing physical quantity
A sensor unit sensing a physical quantity comprises a first voltage evaluation circuit, a second voltage evaluation circuit, an alarm signal output circuit, and...
Ignition coil having magnetic flux reducing inner structure
An ignition coil is constructed of a center core, a primary coil, a secondary coil, and an outer circumferential core. The center core and the outer...
Generation control system
A generation control system for a vehicle includes an ac generator, a field current control unit that controls the duty ratio of field current of the ac...
Rain detection system and method of controlling the same
A rain detection system generates an operation signal for operating a wiper system on a window based on a detected window condition. The rain detection system...
Method for manufacturing spark plug using bending process for earth
A spark plug is provided after a provisional bending process, during which the earth electrode is provisionally bent at almost 90 degrees. The earth electrode,...
Vehicle power supply control apparatus
A power supply control for a vehicle includes air-conditioning electric devices and other electric devices. In the power supply control operation, current target...
Heat exchanger for refrigerant cycle
In a condenser of a refrigerant cycle, a throttle portion is provided at a predetermined position in one of first and second header tanks to decompress...
Semiconductor device with shielding
A semiconductor device includes gaps formed in a semiconductor substrate to provide an inner portion movable in x and y directions. Drive electrodes vibrate the...
Vehicle air conditioner with discharge capacity control of compressor
In a vehicle air conditioner having a variable displacement compressor, a control unit calculates a target cooling temperature of air to be cooled by an...
Vehicle behavior detector, in-vehicle processing system, detection
information calibrator, and in-vehicle processor
A vehicle behavior detector obtains detection information from autonomous sensors to detect a change in vehicle behavior. The detection information is calibrated...
Optical transmission system
An optical transmission system of the present invention includes input ports to which laser beams are respectively input, condensing, input optical elements,...
Ignition coil having rigid mounting structure
An ignition coil includes a cylindrical portion that includes a primary coil and a secondary coil, which are coaxially wound. The cylindrical portion can be...
Ignition control apparatus for internal combustion engine
An ignition control apparatus for an internal combustion engine of the present invention has a switching circuit and a control circuit. The switching circuit...
Semiconductor sensor with pressure difference adjusting means
In a semiconductor sensor having a membrane structure, the destruction of the membrane caused by the expansion or contraction of a fluid within a hollow part...
Dynamic flow rate adjusting method for injector
In a dynamic flow rate adjusting method, a press-fitting degree of an adjusting pipe is adjusted to regulate a load applied to a needle by a spring in a...
Instantaneous wire interruption detection system for vehicle electrical
In an instantaneous wire interruption detection system for a vehicle electrical system, a VSC-ECU includes an input processing circuit that processes electric...
Map information retrieving
Index data is provided for a retrieval method whose retrieval key does not contain positional information. From such index data, meshes are used to define an...
Activation system for passenger protection apparatus
Provided is an activation system for a passenger protection apparatus capable of detecting a collision acceleration accurately and in detail with a simple...