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Drive apparatus for cooling fan motor for use in vehicle
A cooling fan motor drive apparatus for use in vehicle is equipped with first to fourth semiconductor switches for driving first and second cooling fan motors...
High-voltage discharge lamp device
In a discharge lamp control circuit for a discharge lamp mounted on a vehicle, a capacitor in a starting circuit is charged by a high voltage generated by a...
Semiconductor sensor chip having diaphragm and method of manufacturing the
A plularity of sensor chips, each having strain gauges and a thin diaphragm, are formed on a semiconductor wafer having an upper layer and a lower layer forming...
Manufacturing method of silicon carbide single crystals
When a SiC substrate is heated up to around 1800.degree. C., sublimation of SiC occurs from the SiC substrate. Moreover, temperature of the front surface of the...
Passenger protection apparatus for a motor vehicle
An airbag system having a crash sensor generates a crash trigger signal when a crash is detected. A passenger detected system detects at least a passenger in the...
Vehicle air conditioner with automatic air-conditioning control
A vehicle air conditioner controls the air-conditioning automatically based on sensors detecting environmental conditions regarding the air-conditioning of a...
Fail-safe system for combustion engine control
An engine control system executes given control tasks, for example, at a 30.degree. angular interval of an engine crank shaft. If a failure of a crank sensor has...
Apparatus for monitoring area adjacent to vehicle
An apparatus for monitoring an area adjacent to a subject vehicle includes an image taking device for taking an image of an area at and around a place to which...
Signal receiver for tire air pressure monitoring system
A signal receiver for tire air pressure monitoring system determines whether the pressure detection signals from all transmitters have been received during an...
Capacitive sensor apparatus
In a capacitive sensor apparatus, a capacitive sensor includes a plurality of physical-quantity-detection capacitors each having a movable electrode and a fixed...
Direct current motor having commutator segments firmly embedded in
A direct current motor includes a stator generating a magnetic field therein and a rotor having an armature and rotating inside the stator. A commutator for...
Vehicle alternator having impact and vibration resistant terminal
A vehicle alternator has an armature coil, a rectifier, and a terminal connector. The armature coil has a substantial rectangular cross-section. The rectifier...
Vehicle air conditioner with rotary door
In an air conditioning unit of a vehicle air conditioner, an air-outlet mode switching portion is provided at an upper side of a heat exchanging portion...
Fuel pump having rotatably supported pipe member between bearing members
and fixed center shaft
A pipe member is pushed into an inner periphery of a core of an armature to fix the pipe member to the armature. The pipe member is inserted over a fixed shaft....
Scroll compressor with mechanically actuated capacity control
A scroll-type compressor for realizing the operating condition of complete 0% capacity without using an electromagnetic clutch. In order to minimize the power...
Pre-assembled front unit for motor vehicles
A pre-assembled front unit for motor vehicles comprising: a supporting structure (12) destined to be fastened to the front part of a vehicle, a condenser (16)...
Boiling and condensing apparatus
In the intermediate plates (22 to 24) between five other plates (21 to 25), a coolant flow path consisting of openings (231, 241) for delivering vaporized...
A cooling apparatus 1 boiling and condensing refrigerant is constructed to have a stacked construction by stacking a plurality of pressed members 3 and comprises...
Die casting machine and die casting method
The die casting machine 1 comprises: a metallic mold 2 including a product cavity section 21 for forming a die casting product 8, a plunger sleeve section 22 and...
Method of estimating inertia moment of engine, method of estimating engine
load, and method of and apparatus...
An inertia-related engine speed fluctuation is computed when the engine is rotated without ignition. A load-related engine speed fluctuation is computed when the...
Apparatus and method for controlling internal combustion engine
An apparatus for controlling an internal combustion engine calculates a target indicated torque and determines operating degree for engine control actuators such...
Heat storage tank
In a heat storage tank, a discharge port of an introduction passage is covered by a cup-shaped collision member constructed by a shield portion and a guide...
Variable displacement compressor
A variable displacement compressor includes a linking groove, which forms a hinge for connecting an arm and an inclining member. The groove is generally U-shaped...
Capacitive humidity sensor
A capacitive humidity sensor includes a pair of opposed electrodes on a substrate. A humidity-sensitive film covers the electrodes. The electrodes are...
Gas-liquid separator for ejector cycle
In a gas-liquid separator for an ejector cycle, a tank body is constructed such that a refrigerant sprayed from a refrigerant inlet forms a spiral stream in the...
Hybrid compressor device
In a hybrid compressor for a vehicle where a vehicle engine is stopped when the vehicle is temporally stopped, a pulley, a motor and a compressor can be driven...
Control of access by multiple data processing units to multiple memories
When a data read request is made at a long unit (two words) in a data processing system including a plurality of data processing unit, a control unit, a...
Signal process apparatus for an on-vehicle radar and method thereof
The invention provides a signal process apparatus for an on-vehicle radar and a method thereof that can reduce operation load and obtain a sufficient detection...
Power generation controller and method for a vehicle
In a power generator, a start of rotor rotation is detected by utilizing a small AC voltage in a stator winding generated by a remaining magnetic flux. A leak...
Wide-range type thermistor element and method of producing the same
The thermistor element of the present invention is composed of a mixed sintered body aM.sup.1 M.sup.2 O.sub.3 bY.sub.2 O.sub.3 of a composition M.sup.1 M.sup.2...
A gas sensing element comprises a solid electrolytic element, a measured gas sensing electrode provided on an outer surface of the solid electrolytic element,...
Structure of gas sensor designed to minimize error of sensor output
A gas sensor consists of a pump cell, a monitor cell, and a sensor cell. The sensor cell is supplied with power to produce a sensor cell current. The monitor...
Motor-type fuel pump for vehicle
At a boundary area between a high-pressure portion in which a discharge port of a fuel pump is disposed and a low-pressure portion in which an intake port is...
Throttle device for engine
A throttle device for engine has a throttle valve, a shaft, and a valve gear. The valve gear is driven to rotate by a motor. The shaft and the valve gear are...
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...