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Travel assist system
A travel assist system searches a nearest service station based on navigation information and predicts a quantity of aqueous urea solution consumed until the...
Gas concentration detector
A gas concentration detector prevents deviation in output due to a difference in oxygen reactivity between electrode materials to accurately detect a specific...
Malfunction detecting apparatus for on-vehicle charging system
An apparatus is provided for detecting a malfunction in an on-vehicle charging system provided with a generator driven by an engine and a battery connected with...
Vehicle generator regulating apparatus
The vehicle generator regulating apparatus includes a switching device operating to allow a field current to flow into a field coil of the vehicle generator from...
Fuel cell system
A fuel cell system includes a fuel cell constructed by plural stacked cells, a circulation path through which a thermal medium is circulated into each cell, a...
Fuel cell system
In a fuel cell system, a fuel cell includes plural stacked cells, a circulation passage for circulating a thermal medium to the fuel cell. The fuel cell has...
Method for producing a soft magnetic material
The invention provides a method for preparing a soft magnetic material which meets demands for low iron loss, high density, high strength and high productivity....
Clutch state determining device
If a user presses a clutch pedal to perform gear-shifting operation while a vehicle is traveling, a clutch disc, which has been engaged with a flywheel rotating...
Piping joint structure
A piping joint structure includes a first piping member, a second piping member having at least a window portion, and a joint member provided with a body unit...
Variable valve timing controller for internal combustion engine
An ECU calculates an engine speed for calculating a camshaft phase based on a time period T.theta. in which a crankshaft rotates a sampling angle .theta.. The...
Load sensing system for seat
Each front sensor senses a load, which is applied to a front part of a seat, and each rear sensor senses a load, which is applied to a rear part of the seat. A...
Physical quantity sensor having multiple through holes
A semiconductor physical quantity sensor includes: a substrate; a semiconductor layer supported on the substrate; a trench disposed in the semiconductor layer;...
Intake air flow detecting device for internal combustion engine
An intake air flow detecting device is provided to an intake air passage, through which intake air flows into an internal combustion engine. Intake air flow is...
Structure of gas sensor designed to reduce mechanical damage to sensor
An improved structure of a gas sensor designed to withstand physical impact which may result in damage such as cracks to a sensor element built in the gas...
An inclination sensor is provided with a main body fixed to a vehicle, a pendulum supported by the main body so as to swing in response to an inclination of the...
The invention relates to a variable capacity type ejector capable of more precisely adjusting a flow rate of refrigerant in a range in which a displacement means...
Ejector cycle having multiple evaporators
A first evaporator evaporates refrigerant, which is outputted from an ejector. A refrigerant outlet of the first evaporator is connected to a suction inlet of a...
Vapor-compression refrigerant cycle system with refrigeration cycle and
A vapor-compression refrigerant cycle system with a refrigeration cycle and a Rankine cycle includes a compressor, a radiator, a gas-liquid separator, a...
Pressure detecting apparatus having solenoid valve and pressure sensor
A secondary air pressure detecting apparatus includes a solenoid valve and a pressure sensor. The solenoid valve defines a secondary air passage that introduces...
Exhaust gas purifying apparatus
An ECU controls an opening degree of an EGR gas switch valve based on a temperature of intake air and a load state of an engine in such a manner that a...
Apparatus for controlling engine rotation stop by estimating kinetic
energy stop position
A control apparatus for an engine increases an intake air quantity just before engine stop to increase a compression pressure in a compression stroke. As the...
Moisture sensor device and self-diagnosing method therefor
A moisture sensor device includes a sensor portion having a capacitance that is varied in accordance with surrounding humidity, a signal processor for processing...
Short circuit detecting circuit and abnormality monitoring signal
In order to drive an L load, FETs are disposed so as to be mirror-paired with FETs disposed at the power source side and the ground side respectively, and...
Switching regulator with frequency modulation to vary frequency based on a
load condition, and control method...
In a frequency modulation type switching regulator for producing an output voltage to a load, an error amplifier produces an error voltage indicative of a...
Motor control apparatus
An object of the present invention is to provide a motor control apparatus having excellent harmonic current control performance, that can simplify circuit...
Motor control apparatus
Before an amount of play in a rotation transmitting system is learned, for selecting a gear range, an overshooting control process is performed to cause the...
A spark plug is disclosed as including a metal shell 10 formed with first and second bores 10c, 10d and a stepped section 10e between the first and second bores,...
A pressure sensor chip includes a diaphragm and pads. A flexible printed circuit board (FPC) includes a resin sheet having a through-hole and wiring patterns...
Base material having thereon polyaniline-containing film surface, and
process for forming film surface on base...
In a heat exchanger having tubes and fins, a polyaniline film made of polyaniline and/or a derivative thereof is formed on the surfaces of the tubes and the...
A vehicular air-conditioner wherein when a detected temperature of an inverter temperature sensor (22g) exceeds a predetermined value, an inverter (6) driving an...
Exhaust emission control system for internal combustion engine
An exhaust emission control system for an internal combustion engine is located on a vehicle and provided with a particulate filter to accumulate particulate...
Receiver having a built-in antenna and method of impedance-matching for
A receiver includes an antenna, an impedance-matching circuit, a receive circuit, a control circuit, a digital-to-analog (D/A) converter, a mode switch, and an...
Optical device having optical waveguide and method for manufacturing the
An optical device includes: a silicon substrate; a plurality of silicon oxide columns having a rectangular plan shape; and a cavity disposed between the columns....
Printed board and meter unit provided therewith
A printed board has a board, an electrically insulative membrane, formed on the board, and an electrically conductive membrane, formed on the electrically...
Integrated antenna and method of manufacturing the same
In an integrated antenna, an antenna characteristic of a first antenna element is obtained when the first antenna element and a second antenna element are...
Map display device
When a control circuit extracts data of an entity corresponding to a phone number, the control circuit retrieves phone numbers that accord, with respect to lower...
Vehicle security system
When transmitting an instruction for activating an immobilizer function to a subject vehicle, a base station also transmits a given ID code for releasing the...
Rotation detection apparatus utilizing array of magnetoresistive element
bridges and method of designing the...
A rotation detection apparatus utilizes a bias magnet and an array of four or more sets of magnetoresistive elements, with each set producing an output potential...
Switching controller and method for controlling switching position
A second member and a first member are applied with bias force to mechanically engage with each other at one of detent positions defining relative positions...
Load drive control apparatus having minimized power consumption when
functioning in waiting status
In a load drive control system containing a control apparatus and a drive apparatus which drives a load in accordance with a drive control signal supplied from...
Method and apparatus for driving and controlling on-vehicle loads
In an apparatus for driving and controlling plural on-vehicle electrical loads, an on-vehicle power supply generates power to be supplied the loads each having a...
Silicon carbide semiconductor device and manufacturing method
A silicon carbide semiconductor device that includes J-FETs has a drift layer of epitaxially grown silicon carbide having a lower impurity concentration level...
Apparatus for optically reading target
In an apparatus for optically reading a target based on a light reflected from the target, a light source has a first optical axis and operates to emit light. An...
Laser welding method, laser welding structure, and throttle valve device
A throttle valve and a throttle shaft are welded to each other. Here, the throttle valve is made of resin material having a transmission property for a laser...
Occupant crush protection system
An occupant crush protection system for a vehicle includes an occupant protection device, such as a seatbelt retraction device, powered by a vehicle battery, a...
Vehicle air-conditioning system
A vehicle air-conditioning system improves a passenger's sensation of cooling by preventing air blown from a foot opening when a cooling load is low, creating a...
Fuel vapor adsorbing devices
A fuel vapor adsorbing device (10, 60, 70, 70', 80) for adsorbing residual fuel vapors that remain in an intake conduit (1, 2, 3, 4) of an induction system of an...
Ignition timing controller for internal combustion engine
A crank angle sensor outputs a crank angle signal pulse every when a crankshaft rotates a predetermined crank angle. A time period sufficient for rotating a...
Electrical shield structure for pressure sensor
A pressure sensor includes a case having a concave portion, a sensing portion disposed in the concave portion to output an electrical signal proportional to an...
Exhaust gas purification system of internal combustion engine
An electronic control unit (ECU) calculates a pressure loss in an exhaust passage downstream of a diesel particulate filter (DPF) fluctuating in accordance with...