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Vehicle-use power generation control apparatus
The vehicle-use power generation control apparatus for controlling an operation of a vehicle generator includes a temperature detecting circuit detecting a...
Automotive tandem alternator having reduced axial length and capable of
effectively suppressing magnetic leakage
According to the invention, a tandem alternator includes a rotary shaft, a first and a second field arranged in tandem on the rotary shaft, and a first and a...
Rotary electric machine and related commutator
A rotary electric machine and a commutator for the rotary electric machine are disclosed wherein the commutator includes an insulating member carrying thereon a...
Vehicle alternator and stator for vehicle alternator
A vehicle alternator and a stator for the vehicle alternator are disclosed wherein a stator winding includes a plurality of base segments wound on slots of the...
Method for manufacturing semiconductor device having solder layer
A method for manufacturing a semiconductor device having a solder layer includes the steps of: grinding a mounting surface of a semiconductor chip; etching the...
Method for manufacturing semiconductor device
A method for manufacturing a semiconductor device includes the steps of: forming a trench in a semiconductor substrate; and forming an epitaxial film on the...
Method for manufacturing optical device
A method for manufacturing an optical device having an optical block, through which a light is transmitted, is provided. The method includes steps of: forming a...
Pressure sensor with sensing chip protected by protective material
A pressure sensor is provided, which includes a case, a sensing chip located in the case for detecting pressure, and a protective material for covering and...
Regeneration controller for exhaust purification apparatus of internal
A regeneration controller that prevents overheating when performing burn-up heating for completely burning particulate matter by intermittent fuel addition to an...
Fuel injection system learning average of injection quantities for
correcting injection characteristic of fuel...
A fuel injection system designed to execute a learning operation to spray fuel through a fuel injector in a cycle to calculate an average of actual injection...
Injection quantity control unit and fuel injection system having the unit
An injection quantity control unit controls an injection quantity of a plurality of fuel injection valves, respectively. The unit includes a rotational speed...
Variable valve timing controller for internal combustion engine
An ECU outputs a signal indicative of a target motor speed calculated based on a deviation between a target camshaft phase and an actual camshaft phase to an...
Vehicle stability control system
A vehicle stability control system includes a base required driving force calculation unit, an estimated driving force estimation unit, and a required driving...
Apparatus and method of pedestrian recognition
An apparatus having a laser radar is used to recognize a pedestrian by detecting a position of reflective objects, mapping the objects in a two-dimensional...
Vehicle theft detection system
A tilt sensor, height sensors and tire pressure sensors sense a behavior of a parked vehicle and output an angle signal, a height signal and a pressure signal,...
Automotive alternator with cooling fan having projections for preventing
An alternator of the present invention is mounted on an automotive vehicle to supply electric power to an on-board battery and electric loads. The alternator is...
AC motor designed to ensure high efficiency in operation
An ac motor is provided which includes a plurality of looped windings each of which extends in a circumferential direction of a stator. The stator is equipped...
Method of manufacturing semiconductor sensor
A method of manufacturing a semiconductor sensor includes a forming step, a preparing step, a fixing step and a separating step. In the forming step, a plurality...
Impeller and fluid pump having the same
An impeller includes vane grooves arranged with respect to the rotative direction. At least the radially inner side of a back surface of each vane groove is...
Controller of internal combustion engine
An engine controller performs low opening degree control during a first intake stroke period since an engine start is commenced until first intake strokes of...
Fuel injection control apparatus designed to compensate for deviation of
quantity of fuel sprayed from fuel...
A fuel injection control apparatus for an internal combustion engine is provided. A controller directs a fuel injector to spray a learning injection quantity of...
Low noise amplification circuit
A low noise amplification circuit comprises a low noise amplifier and a filter coupled to the input terminal of the low noise amplifier. The low noise amplifier...
An ignition coil includes a primary coil (14), a secondary coil (16) disposed on an outer circumferential side of the primary coil and configured to be boosted...
Fuel feed apparatus and accumulator fuel injection system having the same
A fuel feed apparatus is provided for supplying high-pressure fuel to a common rail of an accumulator fuel injection system. The accumulator fuel injection...
Rate-based monitoring for an engine system
Rate based monitoring includes performing test cycles on a monitored system when predetermined conditions are met. Completion of a test cycle is determined by...
Method of producing laminate-type piezoelectric element
A method of producing a laminate-type piezoelectric element, wherein a ceramic laminated body therein is formed through an intermediate laminated body-forming...
Vehicle door control apparatus
Based on a user's instruction, a door control unit drives a door opening/closing motor for a pop-up operation. A door is thereby rotated to a predetermined...
Output control apparatus and method for field winding type dynamo-electric
A control apparatus for controlling an exciting current of a field winding type dynamo-electric machine having an exciting winding so as to obtain a demanded...
Alternator having Lundell type rotor
A Lundell type rotor of an alternator has a pole core disposed on an outer side of a field coil in a radial direction of the rotor, and a non-magnetic claw pole...
DC rotary electric machine having balance winding for reducing variations
in magnetizing force between...
In a rotary electric machine having a field winding wound on field magnet iron cores, and an armature with an armature winding connected in series with the field...
Rectifier for automotive alternator
In a rectifier for an automotive alternator, each of the rectifying elements includes a semiconductor chip and a lead electrode that connects the semiconductor...
Vehicular electric rotary machine
A vehicular electric rotary machine of a heat pipe cooling type is disclosed including heat pipe means 14, 14A, 15, 15B, associated with a cooling fin 51, 52 and...
In an electromagnetic valve, a valve member is slidably installed in a housing to open and close a valve hole. A moving core is slidably installed in the...
Ultrasonic sensor mounting structure
An ultrasonic sensor mounting structure includes an ultrasonic sensor and a wall member to which the ultrasonic sensor is mounted. The ultrasonic sensor includes...
Rudder angle sensor
A rudder angle sensor with high accuracy, including a memory for storing a correction value to correct a rotational delay of a driven gear relative to a main...
Ignition switch device
An ignition switch device is provided with a switch having a key hole, and capable of being rotationally operated in a predetermined direction with an ignition...
Vehicular heat exchanger module
A heat exchanger module includes a condenser for condensing a refrigerant, a modulator, a sub-cooler for cooling liquid refrigerant supplied from the modulator,...
Fuel injection controller
A fuel injection controller used for a fuel injection device that pumps high-pressure fuel to an accumulator and distributes the high-pressure fuel accumulated...
Control system for multiphase rotary electric machines
A control system controls, based on a comparison between a waved real current to be supplied to a multiphase rotary electric machine and a hysteresis region...
Automotive alternator having flexible bearing cover
According to the present invention, there is provided an automotive alternator which includes a rotor, a stator, a rolling bearing, and a bearing cover. The...
Device for controlling controlled variable by on/off switching operations
with less noise manner
A switching device comprises a switching element, a setting member, and a control member. The switching element turns on/off in response to a drive signal, so as...
Fuel injection controller of internal combustion engine
A crankshaft of an internal combustion engine is connected to an automatic transmission mechanism through a torque converter. A difference in a load applied to...
Device and method for controlling ignition timing of internal combustion
An engine ECU executes a program including a step of, when an absolute value of a difference between a determination value V(KX) used for determining presence or...
Leak inspection device
A leak inspection device comprises: a vacuum chamber 2 for accommodating a product 1; a vacuum pump 3 for discharging air from the vacuum chamber; a He gas bomb...
Emergency report device
Transmission of an emergency report from an emergency report device is either permitted or prohibited depending on a registration condition of an identification...
Mobile station having waiting process with main power off
While main power in an automobile is off, a telematics station in the automobile intermittently runs to execute a process. The station has a first CPU in a...
Inrush current limiting switching circuit for power supply
An inrush current limiting power supply switching circuit is disclosed including a first switch through which an electrical load, having a capacitor, and a...
Switching element overcurrent protection circuit which operates within a
high-voltage system that incorporates...
A circuit for detecting excessive current flow through a switching element derives an electrical quantity relating to a condition of the switching element and...
Power supply apparatus
The power supply apparatus includes a stepdown switching power supply circuit having a switching element and a smoothing circuit, a filter circuit located in the...
Control apparatus for electric vehicles
In a control apparatus for an electric vehicle, an input power operation quantity that reduces the difference between a target value of a system voltage and a...