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Cylinder-by-cylinder intake air quantity detecting apparatus for internal
A rate of cylinder-to-cylinder variations in an intake air quantity is calculated, and learned as a learning value based on an output from an airflow meter when...
Apparatus and method for failure diagnosis of fuel vapor purge system
A fuel vapor purge system includes a fuel tank, a canister, and an evaporation route, and purges fuel vapor collected in the canister into an intake passage of...
Compressor device and control method for the same
A compressor device for a refrigerant cycle includes a compressor and a control unit. The compressor is provided with a displacement changing mechanism for...
Enhancement of current-carrying capacity of a multilayer circuit board
A multilayer circuit board, in which a plurality of insulating layers and a plurality of conductive layers, each of which includes a conductive pattern, have...
Adjustment-circuit embedded semiconductor sensor and torsion bar type
torque sensor system
A torsion bar type torque sensor system is provided with the following: an elastic member that receives a torque and converts the torque to a torsion ...
Vehicular communications system initializing abnormal control unit
A vehicular communications system connects, through a communications network, with a plurality of electronic control units (ECUs) that control respective...
Method of manufacturing a spark plug for an internal combustion engine
In a spark plug for an internal combustion engine, a noble metal chip such as an iridium alloy chip is bonded on the tip of a center electrode made of a material...
Piezoelectric element and injector using the same
A piezoelectric element and an injector using the same piezoelectric element are disclosed, which are so high in reliability as not to be shorted even in a high...
A shifting mechanism includes a limit switch that sends an open-close signal of the switch contacts SW1, SW2, SW3 and SW4 out to a control mechanism according to...
Starter motor having seal member for sealing axial end of housing
A front end of a starter motor housing is sealed by a resilient seal member disposed between a bearing and a front end wall of the housing. A shaft carrying a...
Rotational angle output regulating method
A method for calibrating a rotation angle sensor having a magnet, a magnetic detector disposed in a magnetic field of the magnet for outputting a detected value...
Access parameter adaptation and packet data resource management using
detailed mobile status information
A wireless communication system wherein wireless infrastructure adapts access parameters and manages channel resources based on detailed reconnection information...
Coolant cooled type semiconductor device
A coolant cooled type semiconductor device capable of achieving a superior heat radiation capability is provided, while having a simple structure. While a...
Method for inspecting ignition device for internal combustion engine and
An inspection object constructed of an ignition plug and an ignition coil is inserted in an inspection housing that does not have a ground electrode. A voltage...
Rotational speed detector having elongate detecting surface and method of
manufacturing the same
A rotational speed detector such as a wheel speed detector has an elongate housing containing a detector unit therein. The detector unit is a molded unit having...
Spark plug and ignition apparatus
At least one of a center electrode tip and a ground electrode tip is made of an iridium alloy. A discharge gap, formed between the center electrode tip and the...
Semiconductor integrated circuit
A semiconductor integrated circuit has a P-channel FET and a diode. The FET and the diode are mounted on a single island of a lead frame so that a drain of the...
Method of manufacturing metallic wire segment
One end of a metallic wire having a rectangular cross-section is widened by upsetting the end of the wire in its axial direction. At the same time, a swollen...
Activation device for passenger protection apparatus
An activation device for a passenger protection apparatus comprises a sensor for detecting a roll angular velocity, a unit for calculating a roll relative angle...
Power supply integrated circuit having communication function
A power supply integrated circuit is provided which makes it possible to make an on-vehicle apparatus compact and to allow power supply cable communication...
Stator coil including sequentially-connected conductor segments for an
electric rotary machine and...
A tail side coil end includes a plurality of tail conductor pairs sequentially disposed with predetermined radial gaps. The radial gaps between the conductor...
Vehicle-use alternator enabling accurate control of position and attitude
of the alternator during an operation...
An alternator for a vehicle has a housing that is formed with attachment holes in external portions of the housing, through which a carrier jig is passed, to...
Capacitive dynamic quantity sensor
A capacitive dynamic quantity sensor includes a substrate, a weight, a movable electrode, an anchor, a fixed electrode, a spring, and a strain buffer. The weight...
Method of fabricating SiC semiconductor device
In a method of fabricating a SiC semiconductor device, a surface of a SiC layer (5, 48, 102) is processed into a cleaned surface terminated at Si. An oxide film...
Hydraulic control valve and fuel injector using same
A hydraulic control valve for a fuel injector for an automotive engine, which includes a piezoelectric actuator and a hydraulic valve mechanism. The hydraulic...
IC card reader with card holder fastening mechanism and card holder
An IC card reader is provided for reading data stored in an IC card with radio communication and inputting the data into, for example, a personal computer. The...
Method for brazing aluminum alloy-assembled articles within a short period
of time and a filler alloy usable at...
A method for brazing aluminum alloy-assembled articles with a filler alloy having a liquidus temperature of 540.degree. C. or lower and a difference of...
Flow amount measuring apparatus
The flow amount measuring apparatus has two detecting portions for generating signal indicative of flow amount respectively. The outputs of two detecting...
Throttle-opening detecting apparatus
A throttle-opening detecting apparatus has a case mounted on a handle bar of a vehicle, a throttle grip mounted on a leading end side of the handle bar so as to...
Cooling system with adsorption refrigerator
In a cooling system for cooling first and second heat-generating members, the first heat-generating member is cooled by a refrigerator, and cold produced by the...
Air conditioner for hybrid vehicle
In an air conditioner for a hybrid vehicle, an air conditioning unit performs air-conditioning operation by electrical power supplied from a battery. When a...
Compound engine dynamo-electric machine
A first exhaust turbo rotary machine is able to assist turbo supercharging by operating as a motor on power generated in a second rotary machine connected to a...
Vehicle control system
A storing area of a non-volatile memory includes a plurality of blocks, in each of which a failure diagnosis frequency (numerator) and an operating frequency...
Voltage control device for vehicular alternator
In an alternator, a voltage control device includes a control circuit IC chip, a radiating fin and a case. The radiating fin 253 has a base 256 that is fixed to...
Protective cushion for portable unit with built-in antenna
A protective cushion is provided which works to absorb accidental physical impact acting on an antenna unit built in a portable unit such as a remote keyless...
Starter for an internal combustion engine
A starter for an internal combustion engine has a resistance ratio r.sub.M /r.sub.B equal to or less than 0.4, when r.sub.M represents a motor internal...
Hydrogen supply device
In the hydrogen supply device for producing and supplying hydrogen to a fuel cell, a reforming section has a rotary thermal storage through which low and high...
Centrifugal blower having centrifugal fan arranged in scroll casing
An inner surface of a peripheral wall of a scroll casing includes an initial section, which extends from a circumferentially projected end of a nose. The initial...
Clutch including spun rotor having hardened depressions
In an electromagnetic clutch having drive and driven side clutch plates in which the drive side clutch plate is provided with a plurality of elongated holes...
Vehicle air conditioner with driving mechanism of single hot water valve
and plural air mixing doors
In a vehicle air conditioner, a link mechanism, for connecting one of plural driving devices and one of plural air mixing doors to each other is connected to a...
Air-fuel ratio control apparatus for internal combustion engine
When in controlling an air-fuel ratio by a feedback control, a target air-fuel ratio is changed between normal time and at rich control time, a difference...
Ignition device for internal combustion engine
The ignition device for an internal combustion engine includes two spark plugs provided for each cylinder, ignition coils arranged independently to each of the...
Fuel supply apparatus
In a fuel supply apparatus for a vehicle, a sender gauge is attached to a stay separated from a flange and a bracket for supporting a fuel pump. By changing the...
Refrigerant cycle with ejector
In a refrigerant cycle with an ejector, there is provided with a bypass passage through which a part of high-pressure refrigerant from a radiator flows into a...
Image data compressing method and apparatus which compress image data
separately by modifying color
An image data compressing apparatus comprises a color selecting unit, a data separating unit and a data compressing unit. The selecting unit selects an arbitrary...
Provided is a head-up display having a prism sheet interposed between a display device and the position of an observer's eye. Control is extended so that points...
Image display device and holographic screen
An image display device comprising a holographic screen and an image projection device for projecting an image beam onto the holographic screen at an upward or...
Digital to analogue converter and analogue to digital converter using the
An object of the present invention is to obtain a high A/D or D/A conversion accuracy, even when there exists a slope in the insulating layer film thickness...
Ignition coil for internal combustion engine
The ignition coil in this invention has a coil portion and a high voltage tower portion. The coil portion has a primary coil, a secondary coil, and a coil case....
Stator coil including sequentially-connected conductor segments for an
electric rotary machine
A swerved portion is provided on a tail slanting portion of a large-turning conductor segment or on a tail slanting portion of the small-turning conductor...