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Valve timing controller
A vane rotor, a bush, and a press-fitting member are connected with a camshaft of an engine. The bush is supported by an inner surface of a front plate of a shoe...
Control apparatus for an internal combustion engine
A variable valve mechanism performs a valve lift switching operation for an intake valve. ECU defines valve lift switching characteristics corresponding to the...
Capacitive humidity sensor
A capacitive humidity sensor for detecting a humidity change includes a first sensor element having a first capacitance, a second sensor element having a second...
Device for supplying secondary air
There is provided a device for supplying secondary air, which comprises a secondary air passage for supplying secondary air, to an exhaust passage of an engine,...
Structure of gas sensor ensuring high degree of gas-tight seal
An improved structure of a gas sensor is provided which is designed for achieving desired crimping of an end portion of a sensor housing to establish a higher...
Memory control method and memory control apparatus for pipeline processing
A signal generator detects a stage in which a central processing unit (CPU) reads an interrupt vector number from an instruction controller based on an address...
Differential amplifier circuit
In a comparator, diodes are disposed between differential pair transistors and current mirror pair transistors forming active loads. The diodes may be disposed...
Integrated circuit device having clock signal output circuit
Integrated circuit device includes: a wiring; a clock signal output circuit including a ring oscillator; an internal circuit; an internal power supply generation...
Magnetic sensor apparatus and manufacturing method thereof
Two Hall element forming arrangements are formed on a semiconductor substrate. Each Hall element forming arrangement includes a Hall element that is formed in a...
Rotation angle detector
A rotation angle detector for detecting a relative rotation angle of two respective parts includes two sensors, two magnetic flux induction devices as well as a...
Inverter control device
An inverter control device controls the operation of an inverter connected to an electric motor. A switching vector SV is determined as an output switching...
Motor control apparatus
In an automatic transmission position control by a motor, it is determined whether the present instant belongs to a starting period, that is, the present instant...
Spark plug with a plurality of ground electrodes
A spark plug according to the invention includes a metal shell, an insulator, a center electrode, a first ground electrode, and a second ground electrode. The...
Spark plug with improved noble metal chip
In a spark plug composed of a center electrode and an earth electrode, at least one of confronting portions of the center electrode and the earth electrode which...
Substrate for mounting semiconductor chip, mounting structure of
semiconductor chip, and mounting method of...
A substrate for mounting a semiconductor chip is formed as a multilayer substrate by alternately laminating insulation layers and wiring layers. Wires of the...
Method for manufacturing semiconductor substrate
An epitaxial layer is formed on a high-resistance semiconductor substrate containing interstitial oxygen at a high concentration, and then a heat treatment is...
Manual operation device for operating in-vehicle apparatus
An operation member is manually operable to select and drive an in-vehicle apparatus. A compression spring applies counterforce to the operation member against...
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...
Fuel feed apparatus having pump and stay
A fuel feed apparatus includes a flange, a fuel pump, and a stay. The flange covers an opening of a fuel tank. The fuel pump is accommodated in the fuel tank....
Bearing support device
A bearing support device includes a rotor, a bearing member, and a bearing holding member. The rotor rotates about a rotation center axis. The bearing member...
Variable air induction apparatus
In a variable air induction apparatus, a valve element is switched between one side to open a first air intake passage and close a second air intake passage, and...
Thermal-type flow rate sensor and manufacturing method thereof
In a thermal-type flow rate sensor, a mold material is formed to integrally cover a predetermined range including a circuit chip, connecting parts of connecting...
Sensor device having molded signal-outputting portion
A sensor device is composed of a sensor element having a sensing portion, and a signal-outputting portion mounted on a substrate. The sensor element is also...
Method for manufacturing high-pressure piping part and structure thereof
A high-pressure piping part includes a body structure forged in a closed space. The body structure is formed to include a main body portion formed by forward...
Knock determining apparatus
A knock determining apparatus includes a sensor which outputs a waveform signal corresponding to a knock state, and at least one of a first to a third knock...
Preceding vehicle recognition apparatus
A preceding vehicle recognition apparatus detects positions of two reflectors provided on a preceding vehicle from individual received signals each representing...
Rotation angle detecting device having function of detecting abnormality
A rotation angle detecting device includes magnetic field forming members such as a permanent magnet and a yoke, a plurality of magnetic sensors disposed in the...
Discharge lamp lighting apparatus
The discharge lamp lighting apparatus includes a power section operating to generate a high voltage to be applied to a discharge lamp to trigger electrical...
Equipment and method for manufacturing silicon carbide single crystal
A method for manufacturing a silicon carbide single crystal includes the steps of: setting a substrate as a seed crystal in a reactive chamber; introducing a raw...
Electronic circuit apparatus and production method thereof
A casing of an electronic key communicating apparatus is formed by sealing with epoxy resin a printed circuit board, a front surface of which a circuit component...
Fuel pump of low fuel intake resistance
A fuel pump to be disposed in a fuel tank to supply pressurized fuel to an internal combustion engine includes a motor section, a pump section including an...
Regenerative pump having blades received in fluid passage
A casing of a regenerative pump forms a generally annular fluid passage, which conducts a fluid. An impeller is rotatably received in the casing and has a...
Evaporative fuel handling apparatus
A fuel handling apparatus with a purge system, a first communication passage, and a second communication passage with a greater pressure loss than the first...
Transfer jet pump prime reservoir with integrated anti-siphon valve
A movable fuel valve lies within a housing at an end of a housing fuel passage. A fuel tube has a nozzle end inserted within a first end of the housing fuel...
Fuel injection valve
A valve body surrounds a first passage connecting with a cylinder of an engine. A valve member is adapted to be seated on and lifted from the valve seat. An...
Flow damper for common rail fuel injection apparatus
A flow damper is provided with a clearance to absorb a deformation occurring in proximate to a lower end of the valve body by the clearance on an entire outer...
Fuel injection apparatus having common rail and subject device control
An ECU controls an intake metering valve and sets an upper limit of an integral term, which is obtained based on a pressure difference between a target rail...
Fuel injection valve for internal combustion engine
A fuel injection valve for an engine includes a nozzle located in the vicinity of a cylinder head of the engine. The nozzle has nozzle holes each being opposed...
Engine starting assist system
An engine starting assist system includes an auxiliary ECU having a voltage booster, an engine ECU, a starter relay, and a starter that allows the engine to be...
Variable valve control apparatus for internal combustion engine
A reference model simulates a desired response characteristic of the variable valve timing apparatus and is constructed by using a dynamic characteristic in a...
Physical quantity sensor having enhanced temperature compensation
A physical quantity sensor according to the invention includes a first member, a second member, a sensing member, a temperature detector, a correcting circuit,...
Pressure sensor having integrated temperature sensor
A pressure sensor includes a case, terminals, a pressure sensing element, a port, and a temperature sensing element. The terminals are assembled to the case by...
Acid-resistant pressure sensor
A pressure sensor includes a housing with which terminals are insert-molded, a sensing element mounted on the housing and electrically connected to the...
Vibratory angular rate sensor
A vibratory angular rate sensor comprises a vibrator having a vibrating element arranged to oscillate along a first direction, the element being arranged to...
Clock control circuit for correcting frequency of second clock signal
based on first clock signal and...
The present invention relates to a clock control circuit apparatus including a first oscillation circuit for generating a first clock signal and a second...
Electronic control unit for vehicles
An electronic control unit for a vehicle-mounted engine system has a computer and a single program memory. The program memory stores a plurality of functionally...
Driving assistance system
When a driving assistance system of a navigation device in a subject vehicle is able to communicate with a cooperative remote driving assistance system in an...
Clamping circuit transistor driving circuit using the same
A clamping circuit including a current mirror circuit including transistors constituting a mirror pair disposed at ground side, each of the transistors being...
Start signal outputting circuit
A start signal outputting circuit according to the invention has a differential RF/DC convertor part 100 for converting a high frequency power (RF) into a d.c....
Comparator switching apparatus and method
An operation switching circuit switches over two comparators, which receives communication data, in accordance with a normal mode and a standby mode of a...