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Semiconductor dynamic quantity sensor with movable electrode and fixed
electrode supported by support substrate
A semiconductor dynamic quantity sensor has a support substrate with a rectangular opening portion, and a movable electrode and fixed electrodes are respectively...
Combustion pressure sensor designed to ensure stability of output
characteristic and sensitivity
A combustion pressure sensor for an internal combustion engine is provided. The sensor includes a sensing element such as a piezoelectric device sensitive to a...
A stem engine has a fluid container, a heating device and a cooling device. The fluid container has an outer pipe having an upper closed end, and an inner pipe...
In-vehicle control device communicatable with external communication system
and in-vehicle LAN
In an in-vehicle control device, universal functions, which are universal to all of various corresponding communication modules, are concentrated in a control...
Voltage booster having noise reducing structure
In a voltage booster, a voltage detection circuit detects a battery voltage as an input voltage. If the input voltage is lower than a threshold level, an...
A feed probe (1), a semicylindrical sub-reflector (2) forming a primary radiator together with the feed probe (1), and a main reflector (3) arranged such that...
Clock generating circuit with a frequency multiplying circuit
A reference clock oscillating circuit intermittently carries out an oscillating operation on the basis of an oscillation control signal from an oscillation...
Stator of dynamo-electric machine
A stator 3 of an on-vehicle AC generator 1 denoting a dynamo-electric machine has a stator core 32 having slots 35 arranged in a line along a circumferential...
Circuit structure of electric power steering device
A low-noise electric structure of an electric power steering device for automotive vehicles is provided which includes a controller including a substrate on...
Metal oxide semiconductor transistor having a nitrogen cluster containing
layer embedded in the substrate
A drift layer is formed on a substrate. A base region is formed on the drift layer. A plurality of source regions are formed in a surficial layer of the base...
Horizontal MOS transistor
A semiconductor device includes a base P region, a source N.sup.+ region, and a drain N.sup.+ region formed in a surface layer portion on a principal surface in...
A wiring harness for connecting electrically between in-vehicle units includes a pitch ribbon cable having a plurality of bridge portions and a connector having...
Method of manufacturing a printed wiring board
A heated and pressed printed wiring board is made by filling via holes formed in layers of insulating film of the wiring board with an interlayer conducting...
Fuel injection pump
A fuel injection pump prevents the uninterrupted supply of fuel through an orifice to a cam chamber. An orifice inlet is formed on the same plane as a wall...
In a centrifugal blower, a casing forms a scroll duct on the outer periphery of a centrifugal fan. The scroll duct includes a motor scroll duct wall extending...
Fuel vapor treatment system for internal combustion engine
A pump generates a gas flow within a measurement passage having an orifice. A differential pressure sensor detects a pressure difference between both ends of the...
Common rail type fuel injection system
When a pressure-feeding period of a supply pump and an injection period of an injector overlap and an actual injection quantity is affected by a pump ...
Fuel injection system for an internal combustion engine
A fuel injection system for an internal combustion engine includes a fuel supply pump, a fuel pressure detector, and a control unit. The fuel supply pump...
Pressure sensor device with temperature detecting element and attachment
In a sensor device having a pressure detecting element and a temperature detecting element, a port portion has an opening portion from which a pressure medium is...
Pressure sensor having metallic diaphragm with convexity
A pressure sensor includes a diaphragm for sealing liquid. The diaphragm includes a plurality of convexities, which are disposed concentrically on the diaphragm....
Vehicle air conditioner with front and rear air conditioning units
In a vehicle air conditioner having front and rear air conditioning units, a refrigerant cycle includes front and rear evaporators for cooling air in a cooling...
Method of manufacturing winding of rotary electric machine
A method of manufacturing a winding of a rotary electric machine includes steps of pressing a portion of a conductor segment in a predetermined direction to...
Vehicle speed control system and program
In a vehicle speed control system, each node existing ahead of a vehicle is detected, and a stable running speed at which the vehicle runs stably when the...
Radar apparatus, and program therefor
Provided is a radar apparatus capable of continuously and stably making a detection of a target even if a reflected wave from a target already detected falls...
Analog to digital converter circuit for correcting jumper line detection
An analog to digital converter circuit included in a meter ECU detects an output voltage of a potentiometer and a source voltage outputted from a battery, and...
High-voltage electric rotating machine
The present invention relates an electric rotating machine comprising a plurality of phase coils each composed of a plurality of partial coils each made by...
An alternator is vertically mounted to an engine in a vehicle. The engine is arranged such that a crank shaft is vertical with respect to the ground and a crank...
Exhaust gas filtering system having particulate filter for internal
A flow rate of gas supplied to a diesel particulate filter is increased when it is determined that rapid combustion of collected particulates, which are...
Oil flow control valve
In an oil flow control valve (OCV) according to the present invention, a first volume varying chamber is adapted to communicate with a second volume varying...
Electromagnetic spool valve
An electromagnetic spool valve includes a spool valve, an electromagnetic actuator, and a bracket. The spool valve includes a cylindrical sleeve and a spool. The...
Processor unit for executing event process in real time in response to
occurrence of event
A processor unit is incorporated in a vehicle as an engine control unit (ECU). In the ECU, in response to occurrence of an event, an activation request program...
Misfire detector for an internal combustion engine
A misfire detector calculates the engine speed fluctuation quantity .DELTA..omega.n for a predetermined period of time on the basis of the average engine speed...
Multiplex communication system capable of activating destination network
A multiplex communication system includes a plurality of networks and a data relay unit. When an event occurs in a node belonging to one of the networks, the...
ID registration method for tire air pressure sensor, ID registration
system, tire air pressure monitoring...
Provided is a tire air pressure monitoring system in which identification ("ID") registration is automatically made while specifying a tire position to reduce...
Ignition coil device and method of manufacturing the same
An ignition coil device has a secondary spool, a secondary coil wound around the secondary spool, a coil insulating resin material that is impregnated into and...
Brush support jig used in mounting a brush assembly of a rotary electric
machine, and method of mounting the...
A brush support jig for use during mounting of a brush assembly on a rotary electric machine having slip rings, to restrain the brushes against contact with the...
Semiconductor device having radiation structure
A semiconductor device includes two semiconductor chips that are interposed between a pair of radiation members, and thermally and electrically connected to the...
Electronic control device
An electronic control device includes a power supply circuit, electronic circuits, a ground wiring pattern, and a common ground wiring pattern formed in a...
An automotive instrument includes a light transmission controller and a mode selecting switch. The controller controls light transmission of a light-controllable...
Connecting structure of printed circuit boards
Lands formed on a flexible printed circuit board are electrically connected with lands formed on a rigid printed circuit board through solder. At this point,...
In a cooling device, a condensation unit is constructed by stacking plural unit plates and two outer plates. The plural unit plates are superimposed in a...
Ignition apparatus for engine
An integrated ignition apparatus has a coil section and a plug section. The coil section has a spring as a connection member internally. The spring electrically...
Valve opening degree control system and common rail type fuel injection
When a learning condition is satisfied, control device performs a feedback control. In the feedback control, a metering valve control value is progressively...
A throttle device which prevents the entry of foreign compounds into a slidable contact portion between a brush and a commutator is provided to prevent the...
Failure diagnosis method and failure diagnosis device of evaporated fuel
An apparatus detects leak in a fuel vapor treatment system which is referred to as an evaporation system. The apparatus measures a required time T2 that is...
Ejector with throttle controllable nozzle and ejector cycle using the same
An ejector includes a nozzle having therein a throat portion, and a needle valve that extends at least from the throat portion to the outlet of the nozzle. The...
Air conditioner with dehumidifying and heating operation
When a dehumidifying and heating operation is set in an air conditioner, refrigerant is circulated from a compressor to the compressor through a first exterior...
Internal combustion engine exhaust gas purification system
An amount ML of particles accumulated in small holes of a particulate filter is calculated in accordance with a pressure drop .DELTA.P detected by a pressure...
Vehicular radio wave receiver and information displaying apparatus with
radio wave receiver
A receiver includes a circuit board and a dielectric antenna. The circuit board has a receiving circuit on a first surface, and a ground pattern on a second...
Sensor ID registration method for tire air pressure monitoring apparatus
The present invention relates to a sensor ID registration for a tire air pressure monitor including a sensor unit built in each of tires of a vehicle and a...