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Electronic control unit and passenger detection apparatus for vehicle
In a passenger detection apparatus for a vehicle, a microcomputer conducts a timer counting operation using a sub-clock signal fed from an CR oscillation circuit...
Magnetic rotation angle sensor
In a magnetic rotation angle sensor for detecting a rotation angle of a detection target, a yoke covers outer circumferences of a magnet and a Hall device. One...
Motor control apparatus having current supply phase correction
In a motor-driven shift position switching device, when the difference between a target position and the rotation position of a rotor has become smaller than a...
Gas sensor incorporating a multilayered gas sensing element
A multilayered gas sensing element 2 is positioned in a cylindrical housing 10 via a cylindrical insulator 3. The multilayered gas sensing element 2 includes a...
Fluid injection nozzle, fuel injector having the same and manufacturing
method of the same
A fluid injection nozzle has an injection port plate, an injection port and a protruding portion. The injection port plate is to be mounted on a downstream end...
Air conditioner for vehicle use
An upper opening portion (74, 75) and lower opening portion (76, 77) are arranged in a door body (13b, 14b) located below a side window (13a, 14a), and an air...
A direct-acting type diecasting machine having an inexpensive and simplified hydraulic circuit is provided, which includes: a mold clamping cylinder for clamping...
Fuel feed apparatus
A fuel feed apparatus includes a lid module that includes a canister accommodated in a fuel tank. The canister defines a space in the vicinity of a lateral...
Fuel feed apparatus having inner supporting structure
Surplus fuel returns from an engine into the sub-tank through a bellows pipe. A downstream end of the bellows pipe is supported by a sub-tank lid that closes an...
Fuel feed apparatus having opening in sub-tank
A fuel feed apparatus includes a sub-tank and a fuel pump that are received in the fuel tank. The sub-tank has an inner space that is partitioned into at least a...
Fuel feed apparatus having conductive members grounded each other
A fuel feed apparatus includes a grounded conductive resinous sub tank, a conductive fuel inlet pipe integrally formed with a bottom section of the sub tank and...
Control apparatus for internal combustion engine
An engine adjusts the amount of intake air by cooperative control for the valve duration of the intake valve and the opening degree of the throttle valve. In the...
Electrostatically oscillated device
An oscillator is oscillatable in a predetermined direction. First and second driving electrodes are secured to the base and apply an electrostatic force to the...
Control device of internal combustion engine
A control device able to find the intake air flow rate in an internal combustion engine having a plurality of intake passages upstream of a throttle valve is...
Gas sensor equipped with gas inlet designed to create desired flow of gas
A gas sensor equipped with a protective gas cover which defines therein a gas chamber to which a sensor element is exposed. The protective gas cover has gas...
Exhaust gas cleaner for internal combustion engine with particulate filter
having heat-absorbing area
To prevent the deterioration of catalyst or the damage of a particulate filter caused by the rapid temperature rise of the particulate filter when the abrupt...
Method of manufacturing a rotor of an electric motor
It is an object of the present invention to provide a method of manufacturing a rotor for an electric motor, in which displacement of the center of gravity is...
Device for detecting hydrogen concentration and method of detecting
The method of detecting the hydrogen concentration by using a first heat-generating resistor of which a first electrophysical quantity varies depending upon the...
Signal synchronization method and receiver device for packet communication
A receiver device for a packet communication system receives a packet signal appended at its head with a known number (N) of repetition signals. A correlation...
Vehicle radar device
In a vehicle radar device, a predetermined number of received light signals output based on a predetermined number of laser beams radiated from a radar sensor...
Vehicle radar apparatus
A radar apparatus for a vehicle radiates laser beams and integrates a plurality of received signals corresponding to the same plurality of successively radiated...
Brushless motor driving device
A brushless motor driving device having a current detecting unit for detecting a phase-current of a brushless motor, a voltage detecting unit for detecting a...
Fuel pump for high torque in compact structure
In a fuel pump, four permanent magnets are installed in a housing. An armature is installed inside the permanent magnets rotatably. Six magnetic pole coil...
Enhancement of membrane characteristics in semiconductor device with
A semiconductor device having a membrane includes a semiconductor substrate, which has an active surface, and a membrane. A cavity is located between the active...
Fuel cell system with improved startability
A fuel cell system is provided which includes a fluid pump such as an ejector pump. The fluid pump is designed to be driven by energy of air flowing within an...
Membrane type gas sensor and method for manufacturing membrane type gas
A gas sensor includes a semiconductor substrate and a sensing membrane. The sensing membrane is located at the bottom of a recess, which is formed by etching the...
Gas sensor element containing a getter
The present invention provides a gas sensor element and its production method, in which poisons are trapped in a porous protective layer to prevent them from...
Mechanical fuse and method of manufacturing the same
An inexpensive mechanical fuse having a high fatigue limit ratio and high rupture reliability, and superior in forming performance, and a method of manufacturing...
Semiconductor dynamic quantity sensor
A capacitance type semiconductor dynamic quantity sensor includes a substrate having a support layer and a semiconductor layer mounted on the support layer, a...
Heat-radiation type flow sensor
In a heat-radiation type flow sensor, a heater resistor is connected to a fixed resistor in series with a transistor. An electrical potential between the heater...
Method for making stator of rotary electric machine
A rotary electric machine has a stator core and a winding. The winding has a plurality or sub-winding sets which are mounted on the stator in the order. Each of...
Electric control unit
In a electronic control unit, a computer is operable based on a first power supply voltage output from a power supply circuit. The computer executes a fault...
On-vehicle electronic control apparatus with timer-based power supply
An auxiliary circuit continuously executes a timer counting operation under a condition that electric power is directly supplied from a vehicle battery to the...
Electric power steering system having failure detection apparatus
An electric power steering system comprises a three-phase brushless DC motor, a steering torque detector, a resolver for detecting a resolver rotation angle of...
In-vehicle equipment remote control system
In a security ECU, a CPU instructs a request generation circuit to generate a request signal in the normal operation mode. Thereafter, the CPU shifts from the...
Trapezoid signal generating circuit
A trapezoid signal generating circuit has a charging and discharging circuit for a capacitor to generate a trapezoid signal which has less change at its rising...
Rotation angle detecting device
A rotation angle detecting device includes a columnar permanent magnet that has a generally ring-shaped cross-section and a pair of magnetic poles, a pair of...
Load-driving device and method of driving load
A device for driving a load such as an electric motor for driving a fan mounted on an automobile includes a semiconductor power FET for supplying a load current...
Ground electrode structure of a spark plug for a gas engine
A spark plug for a gas engine includes a ground electrode body and a center electrode body. A ground electrode of the ground electrode body is welded on a...
Semiconductor device provided by silicon carbide substrate and method for
manufacturing the same
A semiconductor device includes a first field effect transistor including a source and a gate and disposed in a silicon carbide substrate; and a second field...
A Fabri-Perot filter includes: a substrate; a first mirror disposed on the substrate; and a movable mirror unit facing the first mirror with a gap therebetween....
Sensor and temperature sensor capable of automatic installation
A temperature sensor includes a substantially rod-shaped guide portion 28 vertically protruding from a vertical wall 20c of a substrate. A harness 40 is fixed to...
Exhaust gas heat exchanger
A tube 101 is constituted by a pair of plates 111a, 111b which are fitted with each other in such a manner as to put an inner fin 101b between the plate 111a and...
Structure of fuel injection pump for extending service life
An improved wear resisting structure of a fuel injection pump is provided. The fuel injection pump has a plunger reciprocating to pressurize fuel within a...
Differential pressure detection type pressure sensor and method for
manufacturing the same
A differential pressure detection type pressure sensor includes: a casing having a concavity; a pressure detection element disposed on a bottom of the concavity;...
Vapor compression refrigerator
A vapor compression refrigerator having a refrigeration cycle (200) is disclosed. In a Rankine cycle (300), a refrigerant is circulated through a pump (310), a...
Air conditioning system
An air conditioning system has a compressor that compresses a refrigerant and is capable of changing a flow rate of the refrigerant to be discharged, and an...
Battery cooling apparatus with sufficient cooling capacity
A battery cooling apparatus for positively cooling an in-vehicle battery is disclosed. Air that has passed through a cooler (5) is supplied to batteries (1), and...
Exhaust gas cleaning system for internal combustion engine
A diesel particulate filter (DPF) having an oxidation catalyst is disposed between exhaust pipes of an internal combustion engine. An exhaust gas temperature...
Method of manufacturing a micromechanical structure
A microactuator includes a stationary element, a movable element, and a first microstructure. The stationary element is fixed on a substrate and has a plurality...