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Gas sensing element incorporated in a gas sensor for an internal combustion
A second protective layer is a ceramic porous protective layer comprising coarse particles and fine particles structurally arranged in such a manner that...
Load control apparatus and method having single temperature detector
A load control apparatus, in the form of a hybrid IC, comprises a microcomputer, control IC, and a plurality of MOS transistors. The control IC comprises only...
Method for manufacturing semiconductor device
In a trench-gate type power MOSFET in which a gate electrode is formed on a gate oxide layer formed on a surface of a wall defining a trench, the trench is...
Thermal flowmeter for detecting rate and direction of fluid flow
A flowmeter includes a heating resistor and a resistive element for detecting the temperature of the heating resistor. The heating resistor is controlled so that...
Method of calibrating sensitivity of pressure sensing cells of vehicle
A method of calibrating sensitivities of a plurality of pressure sensing cells are disposed at a passenger seat to detect presence of a vehicle passenger. The...
Vehicular communication system for communicating information among
electronic devices installed in vehicle
A vehicular communication system communicates information among a plurality of ECUs installed in a vehicle. The communication system includes a plurality of...
Wireless communication having operation time correcting function
An integrated communication system includes a CDMA network and other network such as a private cordless phone network which operates under a communication...
Casing for electronic control unit
A casing for an electronic control unit is composed of an upper case having a bottom opening and a bottom plate closing the bottom opening. The upper case is so...
Capacitive moisture sensor
A capacitive moisture sensor includes a semiconductor substrate, which has a hole. A silicon oxide film is located to close the hole. A pair of electrodes is...
Distance measurement apparatus
A code generating device operates for generating a pseudo random noise code having a sequence of a predetermined number of chips each being in one of first and...
A precipitation sensor has a prism bonded to a front windshield, a beam transmitter, and a beam receiver. The prism has an entry-side prism wall, a connection...
Hot-water supply system
In a control unit of a hot-water supply system, a boiling time period is estimated based on a hot-water amount stored in a tank at a time of 23:00, a boiling...
Aluminum alloy brazing sheet for vacuum brazing exhibiting excellent
corrosion resistance, and heat exchanger...
An aluminum alloy brazing sheet has a quad-layer structure made of an outer filler material, intermediate layer material, core material, and inner filler...
Manufacturing method of organic EL element
In a manufacturing step for forming an organic EL element, the organic EL element is provided so as to have an anode and a cathode with a luminescent layer...
Apparatus and method for automatically adjusting optical axis of vehicle
In a headlight optical axis adjusting apparatus and method for a vehicle, the shape of a road in front of the vehicle is detected by a CCD camera based on a...
Automatic optical-axis adjusting device for automatically adjusting optical
axes of front lights of vehicle...
A steering wheel is determined to be under a counter steering state when the following two conditions are both satisfied: (I) a steering angle measured with a...
Front end structure for vehicle
When the suction opening portion 121 is covered with the decoration grill 300 from the front side of a vehicle, the suction chamber 140 filled with air is formed...
Manufacturing method for a throttle body of an internal combustion engine
and a related throttle apparatus
A resinous throttle body has a pair of bearing portions integrally molded therein. A throttle shaft is rotatably supported by the throttle body via the bearing...
Table feed system
In a machine tool by pulse drive of a hydraulic system, a piston of a hydraulic cylinder is connected with a table, and an outflow valve and an inflow valve,...
Pressure-sensitive resistor sensor having electrodes with reduced contact
It is the objective of this invention to reduce deviation in contact resistance variation between electrodes among pressure-sensitive resistor sensors. The...
Thermal flow sensor having improved sensing range
A flow sensor, which can detect flow velocity in a wide range including high flow velocity area with simple structure. A flow sensor includes a substrate having...
Vehicle air conditioning air duct system
If a refrigerant leaks from an interior heat exchanger, an outside air mode is switched ON, and a first bypass channel is opened to supply air, not having passed...
Manufacturing method of heat exchanger
In a manufacturing method of a heat exchanger including a core portion having a plurality of tubes and a plurality of radiation fins connected to surfaces of the...
Electric load driving device and method of using the same
In an electric load driving device, in the case of a high-side output mode, an output FET is supplied, when connected with a higher-potential side than a load,...
Indicating instrument for a vehicle
In an indicating instrument for a vehicle including a step motor and a stopper unit for stopping a pointer at a zero position, a memory for pre-storing a...
Vehicular power supply apparatus and engine-drive-regulation supporting
A power feed portion includes a power storage portion and a power generating portion. The power storage portion includes a storage battery. The power feed...
Method for manufacturing semiconductor device having trench filled with
First, a trench of a semiconductor substrate is filled with a polysilicon film deposited on the surface of the semiconductor substrate. A selective thin film...
Sealing structure of gas sensor
An improved structure of a mechanical seal for keeping a gas chamber and a reference gas chamber airtight in a sensor body. A packing seal is disposed between a...
In an electromagnetic clutch, a rotor, an armature and a stator housing including an electromagnetic coil are assembled to a center hub through a bearing member....
Resin molding for vehicle use and manufacturing method thereof
The flexible section 452 made of rubber or elastomer is molded integrally with the panel body 450 on the forward end side of the guide duct section 451 of the...
Air conditioner for a vehicle
A defroster/face cool air passage for introducing cooled air from an evaporator to a defroster opening portion and a face opening portion by bypassing a heater...
Resin-insulated ignition coil
An ignition coil includes a center core, a primary coil a secondary coil, a coil housing, a tower housing disposed under the coil housing, and a high tension...
Accumulator fuel injection system designed to avoid failure of relief valve
caused by pressure pulsation
An accumulator fuel injection apparatus is provided which may be employed in a common rail system for diesel engines. The fuel injection apparatus includes a...
Intake control system of internal combustion engine
An intake control system of an internal combustion engine comprises an intake control valve disposed in an intake passage of each cylinder of the engine and a...
Display device having combined display-panel unit
A display device is comprised of a main display panel, a transparent display panel that is disposed to cover the first display panel, and a control unit. The...
Gain control device for packet signal receiver
In a gain control device for packet signal receiver, a variable gain amplifier amplifies an input signal with a gain corresponding to a control voltage applied...
Phase voltage controlled voltage regulator of vehicle AC generator
A voltage regulator of a vehicle AC generator includes a rotor having a plurality of magnetic poles, a field coil for polarizing magnetic poles, an armature...
Spark plug having iridum alloy tip, iron-based alloy tip bonding portion
and stress relieving layer therebetween
A spark plug having a tip composed of an iridium alloy essentially consisting of iridium is resistance welded through a relieving layer to a front end of a...
Method of repairing aluminum heat exchanger
A partly damaged aluminum heat exchanger such as an aluminum radiator is repaired by closing a hole in the damaged portion with an acrylic resin adhesive...
Vital signal detecting apparatus and noninvasive blood pressure meter
A vital signal detecting apparatus is composed of sensors for detecting pulse waves, an A/D converter for converting analog signals, corresponding to the pulse...
Pump equipment with plural rotary pumps and method for assembling same
In a pump equipment having plural rotary pumps, the respective discharge ports of the rotary pumps are located at the points which are nearly symmetrical with...
Solenoid valve device
In a solenoid valve device, a housing has a stopper formed on an inner wall of a fluid passage around an axial end of an accommodation bore. A valve seat member...
Starter having planetary gear speed reduction mechanism
A starter is comprised of a starter motor, a planetary gear speed reduction mechanism including a sun gear, a plurality of planetary gears and an internal gear,...
Fluid flow meter having thermal flow sensor disposed in one of a plurality
of fluid passages
A separator partitions an upstream side air passage of a bypass passage into first and second sub passages. A thermal flow sensor is attached to the separator...
Adsorption-type refrigerating apparatus
In an adsorption-type refrigerating apparatus, an adsorber includes therein an adsorbent having a temperature-dependent characteristic in which an amount...
Method for manufacturing a gas sensor
A sensing element, disposed in a housing, has a gas contact portion exposed to a measured gas. A protective cover extends from a distal end of the housing so as...
Electronic control unit and method for measuring engine soak time
In an ECU for vehicles, a microcomputer operates with a main power from a battery, and a clock IC operates with sub power from the battery and measures time...
Wiper control system and method for controlling wiper
A raindrop sensor detects an amount of raindrops landed on a window glass and outputs a measurement signal to a microcomputer. The microcomputer calculates an...
Piezoelectric actuator drive circuit and fuel injection system
A piezoelectric actuator drive circuit has an abnormality detection circuit section. The abnormality detection circuit section is provided with a voltage...
Commutator for electric rotary machine and manufacturing method thereof
A commutator having even number (2n) of commutator segments and n segment pairs, each pair consisting of two commutator segments positioned symmetrically with...