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Variable valve timing apparatus
A variable valve timing apparatus rotatably receives a rotor in a housing. The rotor can rotate within a predetermined angular range. In some cases, the rotor is...
Ejector having throttle variable nozzle and ejector cycle using the same
An ejector includes a nozzle and a needle valve formed in a tapered shape. The needle valve controls a throttle opening degree of the nozzle from a minimum...
Vehicle headlamp optical axis control system
A lamp's optical axis control system for a vehicle includes vehicle speed sensor, steering angle sensor, a circuit for calculating driver's viewpoint and a...
Electric-power supplying devices switching between a synchronous
rectification and a diode rectification by...
This electric-power supplying device comprises switching elements, rectifying elements, and a control circuit. The switching elements are switched according to a...
Electronic control unit snap-fitted to supporting bracket
A circuit board on which various electronic components are mounted is contained in a box-shaped resin case. The case is mounted on a bracket made of an iron...
Thermopile infrared sensor and method for inspecting the same
A sensor has a series circuit, which includes first and second end terminals, a set of thermocouples electrically connected in series between the first end...
Voltage regulator for controlling output of automotive alternator
A voltage regulator controls an output of an automotive alternator by controlling an amount of excitation current supplied to a field winding of the alternator....
Method of producing a gas sensor element
A method of manufacturing a gas sensor element which includes a solid electrolyte body, a target gas electrode a reference gas electrode provided on a surface of...
Vehicular occupant restraint system and method
A vehicular occupant restraint system includes a distance sensor, an electromagnetic wave radiation-type occupant sensor, a controller, and an airbag drive...
Starter having braking member for one-way clutch
A starter having a one-way clutch connects with an output shaft via helical spline. A braking member is provided in a bearing portion of a center case adjacent...
Heat exchanger having bracket mounted on side plate of core unit
A heat exchanger such as a condenser for use in an automotive air-conditioner includes a core unit having a plurality of laminated tubes and fins. Brackets for...
Ignition coil assembly for engine
In an ignition coil assembly, a plurality of ignition coils is arranged to be electrically connected to spark plugs received in plug holes of an engine. A base...
Oil content measuring device and refrigeration system using the same
An oil content measuring device measures the oil content of a refrigerant in a supercritical or a vapor phase state. A refrigeration system uses the oil content...
Engine control apparatus
A crank sensor outputs a crank signal including an angle indicating part and a reference position indicating part. A cam sensor outputs a cam signal including an...
Electronic control unit for vehicle having operation monitoring function
and fail-safe function
An engine ECU comprises a control CPU for executing engine control and a watchdog circuit for monitoring the CPU. The watchdog circuit stores, whenever a reset...
Instrument panel unit of vehicle having radio signal receiver
An instrument panel unit of a vehicle incorporates a radio signal receiver formed on a circuit board which is fixed over a meter circuit board in parallel...
Air conditioning system for vehicle
In an air conditioning system mounted on a vehicle whose roof is openable and closable, adjustment of the air volume from the blower is made based on whether the...
Heat exchanger and method for manufacturing the same
Welds (111a) are provided in areas that are offset from curved portions (111b) where stress concentration is likely to occur. This allows excess stress to be...
Valve timing control device for internal combustion engine
A valve timing control device for an internal combustion engine, in which upon cold start, combustion gas containing quench hydrocarbons and wet fuel is confined...
Navigation device, digital map display system, digital map displaying
method in navigation device, and program
A navigation device including a registration unit for registering an index designated by a user's operation and data of a spot coordinate in association with...
Background data queries in wireless web applications
The mobile station includes a system for using open channel time not needed during access to the wireless web. The mobile station monitors the use of the...
A hologram screen is produced by using a transmission-type hologram film, permitting images to be seen from the side of the projector. The hologram screen has a...
Analog-to-digital conversion method and device
In a device for analog-to-digital converting an input signal, the input signal is applied to a plurality of delay units constituting a pulse delay circuit in...
Time measurement apparatus, distance measurement apparatus, and clock
signal generating apparatus usable therein
In a shift clock signal generating apparatus, a delay line includes a plurality of unit delay elements connected in cascade. A reference clock signal propagates...
Stator of vehicle ac generator
In a stator of a vehicle ac generator, a stator core has plurality of slots, each of which has a rectangular cross-section and a stator winding formed of a...
Rotary electric machine with stator elastic support structure
In a rotary electric machine with a stator elastic support structure, conductor segments of a stator winding, each which is formed into an approximate U-shape,...
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...
Manufacturing method for producing silicon carbide crystal using source
gases and apparatus for the same
A crucible has first member and second cylindrical body, and is disposed in a lower chamber. The fist member is disposed in the second cylindrical body so as to...
Automotive air cleaning system
An air cleaning system comprising an air cleaner provided on a vehicle and a device which can keep the air cleaner in operation while a vehicle is parked,...
Centrifugal ventilator fan
A centrifugal ventilator fan, which has improved fan performance and lower noise. A first outlet angle, on an upstream end of the fan, is less than a second...
Automotive internal combustion engine cooling system
A cooling system comprising a cooling water circuit 3a in which cooling water of an engine 1 circulates in a radiator 5, a hot water circuit 3c in which hot...
Method of connecting circuit boards
The invention provides metal connecting composition for connecting metal to metal with removing oxide film on the mother metal surface. The metal connecting...
Communication device and plug-in unit therefor
A communication device includes a sub-rack unit and a plurality of plug-in units. The sub-rack unit includes a back wiring board having first connectors arranged...
Vehicle-mounted radar apparatus providing improved accuracy of detection of
lateral position of preceding vehicle
A vehicle-mounted radar apparatus which periodically derives and registers successive momentary position values for a target object such as a preceding vehicle...
Tire air pressure detection device for detecting air pressure based on
vehicle speed signal
A tire air pressure detection device of the present invention includes a warning anticipation timing calculating portion for anticipating a warning timing at...
Fluid flow sensor and method of fabricating the same
In a sensor chip for a fluid flow sensor, a thin film portion is formed above a hollow cavity portion while leaving thin film layers formed on the surface of a...
High rotational speed optimized engine starter having clutch connection to
In an engine starter of the present invention, a driving shaft to output a rotating force and a crankshaft of an engine are linked continuously. The engine...
Semiconductor device having bipolar transistors
An NPN bipolar transistor and a PNP bipolar transistor are formed in a semiconductor substrate. The NPN bipolar transistor has a p type emitter region, a p type...
Microwave continuous heating apparatus
A microwave continuous heating apparatus is provided with a heating compartment having openings at its front and rear portions and a transfer device which...
Multilayer circuit board
A multilayer circuit board that has electrodes only on one surface is manufactured as follows. A plurality of conductor layers are formed on a resin film made of...
Impeller type fuel pump
A fuel pump includes an impeller and a passage member having a pump passage around the impeller, a fuel suction port and a fuel discharge port. The pump passage...
Impeller and turbine type fuel pump
In a fuel pump having a high pump efficiency, an annular portion is formed on an outer periphery of an impeller to let one- and opposite-side blade grooves be...
Method for assembling a valve in a passage in a valve system
A method of assembling a butterfly valve that includes a shaft rotatably supported by first and second bearing portions. A first adjusting instrument is used to...
Portable terminal capable of automatically switching into moderate power
consumption mode for receiving data
Personal digital assistance (PDA) is set in a second low-power-consumption (LPC) mode if its power switch is OFF, while the PDA is set in a normal mode if its...
Engine control apparatus
An engine control apparatus receives a rotation signal composed of a train of pulses at every interval of a predetermined angle and having a reference position...
Vehicle windshield rain sensor
A rain sensor includes an amplifier circuit that amplifies an output voltage from a photodiode and then provides this voltage signal to a CPU. The amplifier...
Semiconductor device with peripheral portion for withstanding surge voltage
In a semiconductor device of the present invention, a first semiconductor region is formed so that a peripheral edge thereof is located between a first field...
Method for machining grooves by a laser and honeycomb structure forming die
and method for producing the same die
A laser groove machining method for forming bottomed grooves in a surface of a workpiece using a laser, wherein an emitting position of a laser beam which is to...
Phenol resin forming material for pulley used in motor vehicles and phenol
resin pulley for motor vehicles
A phenol resin composition for forming pulleys used in motor vehicles is disclosed. The composition comprises 35 to 45 wt % of resol, 35 to 45 wt % of glass...
Ceramic honeycomb structural body and methods of preparing the same
The present invention provides a ceramic honeycomb structural body, and method for preparing the same, which can satisfactorily support a catalyst and can...