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Aluminum-made heat exchanger with brazed joint portion
A heat exchanger has a core portion composed of several pairs of first and second plates laminated with and brazed to one another. Each of the first and second...
Adaptive receiver linearity techniques for a radio transceiver
Characteristic of the transceiver is altered when intermodulation distortion is detected. This can increase bias to the LNA or reduce the signal to the LNA.
Engine control system and vehicular anti-theft system
A vehicular anti-theft device having a high security performance against the theft of the vehicle without adding additional components is disclosed. The...
Method of manufacturing silicon carbide semiconductor device using active
and inactive ion species
In a vertical MOSFET, an inactive ion species is ion-implanted into a J-FET portion, a surface channel layer, and/or a base region. The inactive ion species fill...
Air passage switching device and air conditioning apparatus having the same
In an air passage switching device, suitable for use for example in a vehicle air conditioning apparatus, for switching a flow of air among a plurality of air...
Vehicle cockpit module
The present invention integrates a blower unit into a vehicle dashboard and of reducing blower-vibration transmittance to a steering unit. In a vehicle, at least...
Throttle apparatus for internal combustion engine
A metal plate is made of a material having strength higher than a resin material for forming a throttle body and is disposed in the throttle body. The plate...
Gas concentration measuring apparatus compensating for error component of
A gas concentration measuring apparatus is provided which measures the concentration of two kinds of gas components such as O.sub.2 and NOx contained in exhaust...
System for detecting deterioration of catalyst for purifying exhaust gas
In a system for detecting deterioration of an exhaust catalyst, when a catalyst temperature exceeds 150.degree. C., the changing widths of the output voltage of...
Route setting device for setting a destination route from a departure point
to a destination
A route setting device, which can provide a route setting device which realize a suitable route setting for each vehicle by using vehicle side data in order to...
Cross-coil type indicating instrument
A cross-coil type indicating instrument includes a bobbin having an upper center cylinder and a lower center cylinder, a cross-coil unit disposed around the...
Feeder arrangement of vehicle AC generator
A feeder arrangement of an AC generator includes slip rings, brushes, a brush holder in which an air chamber is formed, and a slip-ring cover. A partition member...
Vehicle air-conditioning system with independent left/right temperature
control during maximum cooling
A vehicle air-conditioning system that independently controls left-right air flow distribution in correspondence with left and right heat loads during a maximum...
Refrigeration cycle device
During a heating mode, higher-pressure refrigerant having passed through a condenser within an air-conditioning duct is divided into two portions. One portion is...
Heat exchanger for vehicle air conditioner
A heat exchanger has a header tank, plural tubes through which refrigerant flows and a connector for connecting the tank to a pipe. The header tank has a pair of...
Collision-determining circuit for vehicle airbag system with device
malfunction monitoring feature
A collision-determining device arranged to prevent a passenger protection mechanism from erroneously operating by determining the polar relationship between an...
Structure of radar system with multi-receiver channel
A radar apparatus is provided which includes a transmitter, a receiver, and a signal processor. The transmitter produces a transmit signal which is so modulated...
Keyless entry system, and system transmitter having optimized signal
transmission power level
A keyless entry system transmitter that achieves both a reduction in power consumption when transmitting radio signals, and enhances system convenience by...
Motor drive control with low current limitation value
A microcomputer receives a position detection signal from a throttle angle sensor, and produces drive command signals to a drive circuit to control the position...
Alternator for vehicle
It is an object of this invention to provide a compact high-power alternator for a vehicle. It is another object of this invention to provide a low-noise...
Vehicular electric power generation apparatus and method
In a vehicular electric power generation apparatus having an a.c. generator and an engine, a rotation speed of the a.c. generator at the idling rotation...
Method for etching trench in manufacturing semiconductor devices
A semiconductor wafer in which black silicon does not form during trench etching even when side rinsing is carried out during a photolithography process. In an...
Molten metal vessel for filtering impurities
A molten metal vessel includes a first chamber for containing molten metal such as molten aluminum therein, a filtration chamber in which impurities contained in...
Method for machining slots in molding die
An improved method of machining slots and material feed holes in a molding die such as an extrusion die designed to form a honeycomb structure of ceramics...
Pressure control valve for fuel tank
A valve controlling a fuel tank pressure is disposed in a passage connecting the fuel tank and a canister that communicates with atmosphere. The control valve...
Flow control valve
A flow control valve having a seating surface formed on a valve element to contact a valve seat when the valve is closed has a shape of a part of a hypothetical...
Apparatus for detecting leakage of vapor purge system
A fuel vapor purge system has an apparatus for detecting leakage. The apparatus detects leakage based on a detected pressure in the tank. A remaining amount of...
Fuel injection pump
In order to prevent a damage on a component forming a pressure feed fuel passage and to reduce a fuel injection pump in size and weight, the pressure feed fuel...
A hologram display has a projector (2), a hologram screen (9), and a filter set (25) that is arranged between the projector and the hologram screen to absorb...
Wiring board for flip-chip-mounting
A wiring board for flip-chip-mounting in which a conductor layer is provided in a portion under the semiconductor element-mounting surface of the ceramic...
An insulated wire having excellent fabricability causing no cracking in the film even after severe winding or rolling fabrication and also having heat resistance...
Method for manufacturing semiconductor dynamic quantity sensor
In a method for manufacturing a semiconductor acceleration sensor, a movable portion including a mass portion and movable electrodes is formed in a single...
In a temperature sensor inserted into a hole formed in a wall of an exhaust gas passage thereby to set a temperature sensitive element in position in the...
Coil-rotation type electromagnetic clutch
In order to reduce an electromagnetic clutch in an axial size, a ring-shaped leaf spring connects an armature to a hub. The leaf spring has an outer ring portion...
Control apparatus and method having program rewriting function
In an engine control apparatus, a control program is stored in a non-volatile rewritable memory such as EEPROM. The control program is rewritten by a rewriting...
Vehicle information communication system and method capable of
communicating with external management station
In a vehicle diagnosis information communication system, electric power is supplied from a battery to a vehicle control computer mounted on the vehicle during a...
Lighting driver for discharge lamp
A lighting driver for a discharge lamp is provided. The discharge lamp is designed to be ignited in response to application of a voltage higher than a given set...
In a piezoelectric element having a laminated body 11 of piezoelectric layers, wherein an electric voltage is applied across internal electrodes 121 and 122 of...
Method of etching silicon wafer and silicon wafer
After an Si wafer is anisotropically etched through an etching mask having an opening in an anisotropically etching solution, an etching face of the Si wafer...
Process for producing cordierite honeycomb structural body and honeycomb
structural body molding aid
There is provided a process for obtaining a cordierite honeycomb structural body with thin cell walls and no molding defects such as cell breakage or the like....
Heat exchanger having header tank increased in volume in the vicinity of
pipe connected thereto
A heat exchanger has plural tubes and a header tank communicating with each tube. The tank has an opening through which coolant is introduced, and an elevated...
Control apparatus for internal combustion engine
An air/fuel ratio controller/method learns the deviation from a target air/fuel ratio and stores that learned value in a backup memory except when engine...
Angular velocity sensor and diagnosis system for this sensor
A drive circuit supplies a FB feedback signal having a predetermined frequency to drive electrodes to vibrate a vibrator. An angular velocity detecting circuit...
Video telephone device having automatic sound level setting along with
operation mode switching
A cellular video telephone terminal is capable of switching its operation mode between a voice communication and a voice and image communication in response to a...
Antenna for portable radio device
A finger-ring-type radio device is worn by a person to wirelessly transmit his physical data such as blood pressure or pulsation. The radio device is composed of...
AC generator having speed limit means
An AC generator for charging a vehicle battery has a stator having a stator winding, a rotor having a field coil and auxiliary permanent magnets, a pulley, and a...
Insulated gate field effect transistor and manufacturing method of the same
A wide high concentration P.sup.+ type region is formed on the surface of an N.sup.- type epitaxial layer formed on a P type substrate in the vicinity of the...
Infant condition monitoring system and method using load cell sensor sheet
An infant condition monitoring system has a sensor sheet including uniformly arranged plural pressure sensitive load cells. An ECU in an electronic unit...
Surface-mounted type connector and method for producing circuit device
including the same
A connector body has leg portions and lead terminals protruding therefrom. The lead terminals are fixed to a flexible member to be electrically connected to...
Two-dimensional code, reading and producing method and recording medium
storing related software
A two-dimensional code includes a plurality of cells arranged in a predetermined two-dimensional pattern. The code comprises an information recording region...