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Internal combustion engine ignition coil, and method of producing the same
An ignition coil (1) having a case (2), a core (22) installed in the case, a primary spool (25) disposed substantially coaxially around an outer circumference of...
Switched capacitor filter circuit and method of fabricating the same
In a switched capacitor filter circuit, a switching transistor is connected to an operational amplifier for input of a switching control signal to the ...
METHOD OF MEASURING A CHARACTERISTIC OF A CAPACITIVE TYPE OF SENSOR, A
SENSOR CHARACTERISTIC MEASURING...
First and second predetermined charging voltages are applied between the movable and fixed electrodes of a capacitive type of sensor to measure first and second...
Alternator for an automotive vehicle
A small-diameter fin and a large-diameter fin, each extending in a direction normal to an axial direction of a rotor, are disposed at both sides of a terminal...
Semiconductor device and method for manufacturing the same
A semiconductor device has a semiconductor substrate, several cell blocks provided on the semiconductor substrate, several gate electrodes electrically...
A switch structure comprising a switch element (5, 59, 61) performing circuit switching operation by pushing and a push button section (3) attached rotationally...
Method for manufacturing laminated dielectrics
A method of manufacturing large-sized laminated dielectrics of high quality which permit adjustment of the atmosphere during sintering process to be accomplished...
Method of etching metallic thin film on thin film resistor
An Al film is formed on a barrier metal covering a thin film resistor to have a first opening. A photo-resist is formed on the Al film and in the opening, and is...
Boiling cooler for cooling heating element by heat transfer with boiling
A boiling cooler has a heat exchange part in which refrigerant vapor performs heat exchange with cooling water. The refrigerant vapor is produced from liquid...
High pressure supply pump with lifter guide and method of manufacturing the
In a lifter guide of a high pressure supply pump, a flat plate, whose periphery line is provided with a projection and whose the other periphery line...
Pressure sensor with water repellent filter
A case of a pressure sensor has an atmospheric pressure introduction port for introducing atmospheric pressure into the case, and a water repellent filter that...
Leak-check apparatus of fuel-vapor-processing system, fuel-temperature
estimation apparatus and...
A fuel-vapor-processing system for an engine has a canister for accumulating fuel evaporation gas. The system has a leak-check apparatus for checking a leak on...
Heat storage system for vehicle, with adsorbent
In a heat storage system for a vehicle, when a temperature of cooling water from a vehicle engine is high, adsorbents are heated by the cooling water, so that...
Vapor compression refrigerant cycle
In a vapor compression refrigerant cycle for an air conditioner, as a refrigerant pressure at an operation starting time of a compressor increases, a starting...
Compressor system and vehicle air conditioning system having the same
When a compressor apparatus is operated at a maximum displacement for 60 minutes or longer, an ECU controls a pressure control valve to gradually change the...
Navigation system, hand-held terminal, data transfer system and programs
When there is no continuity between a current position data acquired by the car navigation system and a previous position data acquired by the car navigation...
Electronic control system and method having monitor program monitoring
An ECU is equipped with an engine control microcomputer for executing engine control and a throttle control microcomputer for executing throttle control. The...
Electromagnetic driving device and flow rate controlling apparatus
employing the same driving device
Non-magnetic layers are formed on an inner circumferential wall of a housing portion 13 and an outer circumferential wall of a plunger 17, respectively. Assuming...
Output circuit and microcomputer
When a control power source voltage becomes lower than an operation guarantee voltage level, the output of a start-up circuit assumes an H-level, a NOR gate...
Vehicle motor-generator apparatus utilizing synchronous machine having
A vehicle motor-generator apparatus based on a field winding type of synchronous machine coupled to a power inverter and a battery, wherein the synchronous...
Commutator integrated armature of electric rotary machine
A commutator-integrated armature of a rotary electric machine is comprised of a rotary shaft, an armature core composed of a plurality of laminated sheets, an...
Compound layered type of sensing device for multiple measurement
In order to raise accuracy of measurement, a compound layered type of sensing device is provided. The device comprises a plurality of solid electrolyte plates...
Stacked ceramic body and production method thereof
This invention provides a stacked ceramic body in which de-lamination (inter-layer peeling) does not easily occur, and a production method thereof. In the...
Fuel injection device having magnetic circuit to drive movable core
In a fuel injection device, a metal inner tubular member has a step in an outer peripheral wall of the metal inner tubular member, and an axial end surface of an...
Fuel supply system for alternative fuel
A fuel supply apparatus is provided which works to supply fuel such as a dimethly ether used as an alternative to a typical fuel for an internal combustion...
Ignition coil apparatus for engine
Plural ignition coils are inserted into corresponding plug holes. Each coil-head of the ignition coil is received by a holder. The coil-head is pressed by a base...
Valve timing adjustment device
A valve timing adjusting device sets an amount of phase shift of a driven shaft with respect to a drive shaft. A first hole in a first rotor forms a first track...
Vehicle air conditioner with front and rear air-conditioning units
In a vehicle air conditioner including a front automatic air-conditioning unit and a rear manual air-conditioning unit, an air-conditioning control unit changes...
Composite auxiliary machine for a vechile and a control unit thereof
A composite auxiliary machine for a vehicle has proper startup performance in starting an engine. The composite auxiliary machine has a compressor for...
Air-fuel ratio control system for multi-cylinder engine
An engine control system has a controller and intake control devices for controlling air amount introduced into each of the cylinders. The controller has a lean...
Method of manufacturing yoke of rotary electric machine
A method of manufacturing a yoke includes a step of cutting a steel plate into a rectangular sheet having a plurality of first dovetail convexities at one end...
Port sampling circuit apparatus incorporated in a microcomputer
A signal output section of a port sampling circuit 6 periodically changes the output level of an output port 11 based on a sampling period stored in a register...
Load driving circuit capable of raised accuracy detection of disconnection
and short circuit of the load
A load driving circuit controls a feed of a power supply voltage of a power supply to a load. A power MOSFET is connected in series with the power supply and the...
Battery pack voltage detection apparatus
A battery cell voltages are read in parallel to a capacitor for each battery block of a battery pack by the use of analog switches. The stored voltages of the...
Internal combustion driven automotive alternator having inertial torque
change control circuit
A controller for an alternator driven by an output torque of an automotive engine mechanically through a belt is provided. The controller works to control an...
Method and apparatus for controlling synchronous motor
A method and apparatus of controlling a synchronous motor having a rotor, and a stator which produces a magnetic flux for rotating the rotor about an axis...
Semiconductor device having a protective film
A semiconductor device comprises a semiconductor element, a heat sink soldered to one surface of the semiconductor element, and a heat sink soldered to an...
Stabilization in device characteristics of a bipolar transistor that is
included in a semiconductor device with...
In the manufacturing process of a Bi-CMOS semiconductor device, which includes a CMOSFET and a bipolar transistor, the steps for forming a well region, source...
Method for molding ceramic sheet
A method and an apparatus capable of extrusion molding a comparatively wide, thin ceramic sheet using a screw extruder while suppressing the wrinkling thereof....
Control device for hybride-driven auxiliary system
A control device is provided in a hybrid-driven auxiliary system using an engine and a motor as driving force. The control device includes: an auxiliary unit...
Pulley type torque transmitting apparatus
A hole is formed in a damper rubber, where by when a compressive load is small, pillar portions undergo a flexural deformation so as to result in buckling...
Electronic device in which a circuit board and an electric connector are
electrically connected by a flexible...
An electronic device includes a circuit board, a flexible printed wiring board, and an electric connector. The circuit board includes an electronic circuit. The...
Pressure control valve for controlling operation of fuel injector
A nozzle needle of a fuel injector is driven in a controlled manner by changing back pressure applied thereto. The back pressure is controlled by a pressure...
Wobble type fluid pump having swing support mechanism
A swing member is supported by a swing support member like a universal joint of a Hook's type such that it can swing in a state where it is prevented from...
Diaphragm-type semiconductor device and method for manufacturing
diaphragm-type semiconductor device
A diaphragm-type semiconductor device includes a semiconductor substrate, a surface of which is substantially flat, a diaphragm, which covers a circular pressure...
Method for adjusting accelerator pedal apparatus
An accelerator pedal is positioned at a kickdown position. Then, an output value of a measurement device of an accelerator pedal position sensor is measured....
Method for inspecting the quality of a gas sensor, related manufacturing
method, and related inspecting apparatus
An impact force is applied to a sensing element to enlarge the size of a hidden crack to a visible level to reveal the presence of a hidden crack. To apply the...
Accessory equipment driving device for vehicle
Three shafts of a planetary gear mechanism, which is a torque distribution mechanism, are connectable to an engine, a motor-generator and a compressor,...
A/D conversion method and apparatus therefor
An A/D conversion apparatus includes four A/D conversion units, each comprising ring delay lines, pulse selectors for detecting the positions reached by pulse...
Electrically-operated actuator system
A motor stopping circuit is activated when a motor control circuit is stopped by a reset signal outputted from a reset circuit. This maintains an overrun angle...