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Oil pump for internal combustion engine and method of operating the same
An oil pump for an internal combustion engine is provided with an intake port and a discharge port, each formed in a pump housing. The oil pump has a power pump...
Valve timing adjusting apparatus
In a valve timing adjusting apparatus, rotating response speed of a vane rotor and a moving speed of a lock piston are changed according to changes of oil...
Combustion detecting apparatus of engine
An apparatus for determining combustion condition of engine detects ion current flowing in a spark plug. The apparatus samples the ion current by carrying out...
Navigational map data object selection and display system
A navigational map data object selection system having a data retrieving and displaying system, and a storage device which stores a plurality of names as body...
Controller for vehicle with information providing function and recording
The re-use property of a vehicular controller service program is improved by providing a structure capable of easily changing the method of communication to/from...
Winding structure of starter
According to the present invention, in a winding structure of a starter, in which a shunt coil 1 is wound around a bobbin 2 shaped like U in a cross section, the...
The clamp circuit clamps an input voltage at prescribed higher and lower clamp voltages which are stabilized under a temperature fluctuation. Transistors Q12 and...
Electrical load disconnection detecting apparatus
A disconnection detecting apparatus for detecting disconnection of lamps includes a resistor, a differential amplifier, a microcomputer, and a charge pump...
Vehicle ac generator having rotation speed detector
Two kinds of ac generators for vehicles that have different number of magnetic poles have a common controller for detecting rotation speed according to frequency...
Engine starter system having duty-controlled switching device
An engine starter system includes a current switching device for controlling an armature current, a shorting relay for electrically shorting the current...
Air-conditioning unit for vehicle seat
In an air-conditioning unit mounted in a vehicle seat, a resilient member is provided adjacent to a rear surface of a cover member that makes contact with a...
An extension 123 of a core plate 121 is brazed to an insert 130 with the extension 123 being held in a holding portion 131 formed in the insert plate 130, and...
Vehicle air conditioner
In a vehicle air conditioner, two foot openings are provided in right and left wall portions of a case, and are opened and closed by two foot doors, ...
Device and method for shaping conductor material into U-shape by bending
A shaping device for producing a U-shaped conductor includes a holding portion, a feeding portion, a core metal portion and a shaping portion. The core metal...
Composite auxiliary machine for vehicle and control unit thereof
A composite auxiliary machine for a vehicle and an accompanying control unit to control a compressor. The composite auxiliary machine for a vehicle includes a...
Exhaust gas purification system having particulate filter
An engine control unit of an exhaust gas purification system of an internal combustion engine measures a pressure difference between an upstream and a downstream...
Image display apparatus
An image display apparatus comprises a hologram screen 2 formed by bonding a hologram element 20 to light-transmissible films 21 and an illumination device 11...
Operational amplifier in which the idle current of its output push-pull
transistors is substantially zero
A high slew rate operational amplifier circuit of which the through current of its push-pull transistors is substantially zero is disclosed. The operational...
Device and method for detecting engine combustion condition
A combustion condition detecting device detects combustion ions between opposing electrodes in a combustion chamber by ion current flowing between the electrodes...
Magnetic sensor and manufacturing method therefor
Magnetoresistive devices are formed on the insulating surface of a substrate made of silicon. The devices are connected in series through an insulating film...
Voltage regulator for alternator and method of controlling power generation
In an alternator, failure in a power supply line connected to an output terminal of a rectifier is detected. Upon detection of a failure in this power supply...
Electric discharge lamp device
An electric discharge lamp device prevents a temperature rise in the circuit device when an electric discharge lamp (30) is operated without the use of a high...
Integrally fired, laminated electromechanical transducing element
An integrally fired, laminated electromechanical transducing element, fabricated using an inexpensive electrode material and having the electrode characteristic...
Connector for button battery contained in electronic device
A button battery having a circular plus terminal formed around its outer periphery is electrically connected to a circuit board through a connector mounted on...
Gas compressor apparatus having a discharge pulsation reducing cooler
A discharge pulsation reducing cooler B is provided to cover the circumferential periphery of a compressor A. The discharge pulsation reducing cooler B has a...
Electromagnetic valve device
In an electromagnetic valve device having a valve housing, a valve member slidably accommodated in the valve housing to control oil communications among ports...
Air conditioner for vehicle
An air conditioner for a vehicle having a passenger compartment has an electric-powered hot water pump in addition to a mechanical hot water pump driven by an...
Evaporative emission control apparatus
In a double-acting diaphragm pump, a diaphragm is provided to divide a pump body into two pump chambers. An electromagnetic-type reciprocating actuator is...
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...
Control apparatus of internal combustion engine
The ignition timing is sustained at an initial value during a predetermined time beginning at a start of an engine, and is retarded after the predetermined time...
Wireless communication device capable of saving battery power by switching
A PDC/PHS phone has both PDC communication function and PHS communication function. The PDC/PHS phone switches its communication mode from a PDC communication to...
Vehicle alternator having rectifier circuit using diode and FET
A vehicle alternator includes a permanent magnet rotor, a stator having armature coils, and a rectifier circuit. In the rectifier circuit, schottky barrier...
Piezoelectric actuator with insulating member separate from piezoelectric
In a piezoelectric actuator 1 using a laminated piezoelectric device 10 having a plurality of layered piezoelectric layers, a metal case 2 is provided on the...
Semiconductor device including bonded wire based to electronic part and
method for manufacturing the same
Several electronic parts are mounted on several ceramic substrates in a semiconductor device, and are wire bonded to the respective ceramic substrates through...
Method for vibrating, melting and bonding resin parts
The present invention provides a method for vibrating, melting and creating well-bonded resin parts. Pressing the resin parts is started and then the pressing...
Functional combined equipment for motor vehicle
A shaft of a planetary gear mechanism is connected via a lock mechanism to an air-conditioner compressor. A shaft is connected to an engine, and a shaft is...
A turbine pump includes a casing having an inlet, an outlet and front and rear arc-shaped pump passages and an impeller. The impeller has plural impeller...
Automatic headlight axis direction control for vehicles
A DC motor is driven with a predetermined driving signal thereto before a headlight axis direction control is started by using a headlight axis control angle...
Structure of fuel injector for avoiding injection of excess quantity of
A fuel injector is provided which is designed to suppress unwanted vibrations of a nozzle needle-actuating piston, thereby avoiding the injection of an excess...
Electrically-powered steering device
An automotive electrically-powered steering device is provided which is easy of assembly and electric connections. The steering device includes an electric...
Device for detecting tensile force of seat belt
A device for detecting a tensile force of a seat belt composed of an elastic plate having a strain gauge mounted thereon and a protecting plate overlapped on the...
Condenser for vehicle air-conditioning systems
A condenser for vehicle air-conditioning systems, comprising a pair of parallel distributors (12) between which there is set a heat-exchange core (14) including...
Method and apparatus for inspecting for airtightness failure
An airtightness failure inspection method according to the present invention comprises an initial step of generating an independent constant flow of gas in the...
Ejector decompression device with throttle controllable nozzle
An ejector for a refrigerant cycle includes a nozzle having therein a refrigerant passage, and a needle valve provided in the refrigerant passage of the nozzle...
Air conditioner with ejector cycle system
An air conditioner with an ejector includes first and second interior heat exchangers for performing heat-exchange between refrigerant and air to be blown into a...
Ejector cycle system
In an ejector cycle system, a variable throttle is disposed at an upstream side of an ejector. When high-pressure side refrigerant pressure in the ejector cycle...
Refrigerating cycle device for vehicle and controlling method thereof
A vehicle refrigerating cycle device capable of preventing the air-conditioning from becoming inadequate and capable of improving vehicle fuel economy is...
Failure diagnostic system and electronic control unit for use in diagnosing
failure of vehicle
A center stores functional modification information and failure information, which are associated with each other. The modification information is used to store...
Control system for electric power steering apparatus
A control system for an electric power steering apparatus detects calculation anomalies in a CPU regardless of the magnitude of a modified control quantity. The...
Discharge lamp device having discharge lamp and circuit unit directly
A headlight device includes a discharge lamp, a circuit unit and a heat radiating member. The circuit unit is directly connected to the discharge lamp to apply a...