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Printed circuit board with a built-in passive device, manufacturing method
of the printed circuit board, and...
A multilayer printed circuit board with a built-in capacitor includes a plurality of resin films, each of which is made of thermoplastic resin and has a...
Rotation angle detecting device
A rotation angle detecting device is rotated by a rotating object via a gear mechanism to detect a rotation angle of the rotating object. The rotation angle...
DC-DC converter for boosting input voltage at variable frequency
A DC-DC converter for boosting an input voltage to a higher output voltage includes an inductor, a field effect transistor, a first ON signal generating circuit,...
Apparatus for controlling on-vehicle generator
A generation controller controls an amount of power generated by an on-vehicle generator responsively to a command signal from an external controller. The...
Electric generation control apparatus for vehicle alternator
An electric generation control apparatus for a vehicle alternator receives an electric generation control signal transferred from an ECU placed apart from the...
Wire bonding method and semiconductor device
A wire bonding method for bonding a plurality of conducting wires to connect first conductors and second conductors has the following steps. 1) Bonding a first...
Fuel cell control system
A plurality of individual fuel cells are connected in series with each other to construct the fuel cell. The fuel cell is diagnosed on the basis of an average...
Apparatus for detecting deterioration of air-fuel ratio sensor
In detecting a deterioration of an air-fuel ratio sensor, a sensor output change speed integrated value is calculated when an element temperature of a solid...
Downshift control for automotive automatic transmission
An automotive automatic transmission control apparatus is provided which works to increase the power of an engine in response to a request to down-shift the gear...
Air passage switching device and vehicle air conditioner
An air passage switching device includes a slide door slidable along first and second opening portions partitioned by a partition portion, a guide member for...
Impeller and apparatus using the same
An impeller rotates for pressurizing fluid in a pump passage. The impeller includes an inner circumferential portion and an outer circumferential portion. The...
Injector having structure for controlling nozzle needle
A valve back pressure chamber is provided to exert a back pressure of a first valve needle. Furthermore, a hydraulic pressure passage is provided to extend...
Double-layer vacuum container
A double-layer vacuum container includes: an inner container having a bridging member supported by an outer container in a bridging manner; the outer container...
Heat exchanger for air conditioner
A heat source fluid inlet pipe of a heat exchanger main body 150 comprises a rotation side inlet pipe 27 and a fixed side inlet pipe 23 that are integrated with...
Cooling system used for hybrid-powered automobile
A radiator 9 for electric parts use, which cools an inverter and others relating to the control of an electric motor, and a condenser 12 for condensing...
Fuel injection system
A fuel injection system includes (i) an injector for injecting gaseous fuel and liquid fuel into a cylinder of an internal combustion engine, (ii) a gaseous fuel...
Purge system for internal combustion engine
A canister is connected with a fuel tank to adsorb fuel vapor generated in the fuel tank. The canister is also connected to a downstream side point of an intake...
Fuel pump module anti-siphon valve
A fuel pump system for a fuel tank having a first and a second section has a fuel pump and a jet pump disposed in the first section. The jet pump draws fuel from...
Fuel pressure controller for direct injection internal combustion engine
A fuel pressure control device has a feedback control section for setting a feedback control amount (F/B control amount) in accordance with a deviation between...
Rotation angle sensing device
A rotation angle sensing device calculates an average value of calculation values of time necessary for rotation of each one of sections provided by equally...
Intake apparatus and manufacturing method for the same
An intake apparatus includes housings each defining an intake passage therein. The intake apparatus further includes valve members each being provided to each...
Leak detector for fuel vapor purge system
A suction pump introduces negative pressure into a reference-pressure-detecting portion. A driving voltage V of the suction pump is adjusted in such a manner...
A pressure sensor for detecting a pressure of a pressure medium includes a casing having an element locating portion, a pressure detection element located in the...
An inertia sensor system incorporates a vibration-type angular-speed sensor unit and an acceleration sensor unit provided separately. The inertia sensor system...
An air conditioner has an air conditioning case, a heat exchanger disposed in the air conditioning case to cool air therein, a drain pan disposed at a lower side...
Secondary air supply system and fuel injection amount control apparatus
using the same
A secondary air pipe is connected on the upstream side from catalyst in an exhaust pipe, and a secondary air pump is provided at an upstream portion of the...
Control apparatus of internal combustion engine
The ignition timing is sustained at an initial value during a predetermined time beginning at a start of an engine, and is retarded after the predetermined time...
Method of manufacturing rotor of rotary electric machine
In a method of manufacturing a rotor of a rotary electric machine, a rotor core is formed by preparing a material sheet in a form of a belt. The material sheet...
Data relay device and multiplex communication system
A data relay device connected with a plurality of networks is provided with a transmission timing adjusting device for adjusting the timing of transmission of...
Spark plug having a plurality of center electrodes
A spark plug according to the invention includes a tubular metal shell, a cylindrical insulator, a plurality of center electrodes, and a plurality of ground...
High performance, long-life spark plug
A spark plug includes a metal shell, an insulator, a center electrode, a ground electrode, a first noble metal chip, and a second noble metal chip. The metal...
Structure of rectifier for automotive alternator ensuring reliable
A rectifier for an automotive alternator includes a heat sink that has a plurality of rectifying elements mounted thereto to dissipate heat generated by...
Press-fitting method and rectifying device having press-fitted member
In a rectifying device for a vehicular AC generator, a rectifying element is press-fitted in a positive-side radiation plate. The radiation plate is prepared in...
Hybrid compressor system for refrigeration cycle system
A compressor device compresses refrigerant of a refrigeration cycle system and is connected to an engine and a motor to selectively receive drive force from one...
Multi-blade centrifugal blower
Each of blades of a multi-blade centrifugal blower is provided with a taper portion, which is arranged at an inside periphery at least at the side of one...
Vehicle headlight apparatus
A vehicle headlight apparatus includes a headlight and an actuator. The actuator horizontally changes a direction of an optical axis of the headlight. The...
Passenger protection system
A passenger protection system includes acceleration sensors as well as a passenger protection ECU. At least one acceleration sensor is provided on one of the...
Automotive air conditioning system
A rear face inlet 25 and a foot inlet 28, and a rear face duct portion 26 and a foot duct portion 31 which are adapted to distribute air from the inlets,...
Radiator for vehicle use
A heat exchanger comprising: a plurality of tubes in which a heat exchanging medium flows; tank members to which both end portions of these tubes are connected;...
Ignition timing control device of internal combustion engine
An engine ECU executes a program including the steps of: comparing a vibration waveform of an engine and a knock waveform model stored in advance to calculate a...
Apparatus for controlling engine
An engine has variable-valve mechanisms. An engine control system has an engine control unit for executing automatic stop and start control. At an ...
Valve timing adjusting apparatus
A driving-side rotatable body includes a driving-side inner gear, which has an axial extent that does not overlap with an axial extent of a driven-side inner...
In a sensor system, a detection waveform-forming unit detects a vibration component and forms a waveform of a detected angular velocity based on the vibration...
Pipeline processing device and interrupt processing method
At an MA stage, data, such as a header address of an interrupt processing routine, is loaded via a data bus and immediately supplied to a program counter via...
Vehicular kinetic control system
In a state where a driver sees a region near a vehicle, a finally-requested output-shaft torque is set so that a response is hastened in a deceleration and...
Linear solenoid designed to ensure required amount of magnetic attraction
and solenoid valve using same
A linear solenoid is provided which works to pull a plunger to a stator magnetically. The plunger and the stator are aligned to have ends opposed to each other....
Vehicle power supply system with a series regulator
A vehicle power supply system has a first battery connected to a generator, a second battery connected to an electric load and a series regulator between the...
Variable capacitance device with high accuracy
A capacitance device includes a dielectric film, the first electrode and the second electrode. One of the two electrodes is divided into a plurality of electrode...
Optical information code reading apparatus using marker beam
In an optical information reading apparatus, a marker beam irradiating unit has a light beam source for emitting a light beam, a diffusing lens for diffusing the...
A display apparatus includes a display, a light source, and a light transmittance control means. The display displays a display design. The light source emits a...