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Pressure sensor having a metal diaphragm responsive to pressure
A pressure sensor is composed of a cylindrical connector case firmly connected to a housing and a pressure-detecting chamber formed between the connector case...
Vehicle air conditioning system
An automobile air conditioning system controls the high pressure of the refrigeration cycle in a wide range of airflows from a low airflow region during an...
Processing execution apparatus having data reference limiting function
A processing execution apparatus has an update management program and a reference limiting program. The update management program manages whether or not A- to...
Control apparatus for on-vehicle generator that sends power from the
battery to the field winding and from the...
A control apparatus for an on-vehicle generator is provided. The generator, driven to rotate by an on-vehicle engine, is provided with stator windings,...
Apparatus for automatically adjusting direction of light axis of vehicle
An apparatus for adjusting a direction of a light axis of a swingable auxiliary headlight of a vehicle includes a steered angle sensor detecting a steered angle...
Apparatus for automatically adjusting direction of light axis of vehicle
The apparatus for automatically adjusting a direction of a light axis of a vehicle headlight includes a steering angle sensor, a vehicle speed sensor, a memory...
Sliding structure for shaft member with improved abrasion resistance and
In a sliding structure in which a shaft member is retained slidably in a guide hole, the lack of an oil film caused by the edge contact of the shaft member to...
Fuel injection controller of engine
An electronic control unit compulsorily stops supply of a fuel injection quantity, which is calculated based on various parameters including a throttle opening...
Intake control device for internal combustion engine
An intake control device includes a throttle valve and a throttle body. The throttle valve rotates to control intake air. The throttle body includes a...
Liquid level detecting apparatus
A guide pipe is formed from a metal material, and its internal cross section has a circular shape whose diametric dimension gradually becomes smaller with a...
Controller for internal combustion engine
An ECU converts a cylinder pressure P and a cylinder volume V corresponding to a crank angle .theta. at least from a compression stroke to a combustion and...
Diagnosis function evaluation system for evaluating a fault diagnosis
function, computer product, and computer...
An evaluation system for a fault diagnosis function has an engine ECU. The ECU is connected to an engine, sensors, and a MIL. The ECU diagnoses the sensors. The...
Sensor device and ceramic package for mounting electronic components
A sensor device includes a G sensor producing an electric signal in accordance with physical displacement of its sensing portion and a casing mounting this G...
Starter electromagnetic switch
The starter electromagnetic switch includes a switch coil creating magnetic force to move a plunger for closing the main contact thereof, a switch terminal bolt...
AC generator for vehicle
An AC generator has negative pole-side rectifier devices press-fitted to a holder fin so as to dispose a bottom face of the rectifier device on a surface of the...
Method and apparatus for controlling joint force of friction-joint
component mounted on vehicle
An apparatus is provided for controlling a joint force of a friction-joint component placed in a torque transmitting mechanism (e.g., transmission) mounted on a...
Fan and blower unit having the same
A cooling fan includes a cylindrical boss portion, a plurality of blades extending from the boss portion in a radial direction and a ring member integrated with...
A shaft is press-fit into the valve member or the plunger of an electromagnetic valve to transmit the axial movement of the plunger to the valve member. A...
A pressure sensor has a sensing unit and a pressure transmitting rod housed in a case, and a pressure receiving diaphragm. The case has a sensing unit housing...
Fuel vapor leak check module
A fuel vapor leak check module has a pump discharging an air through an outlet. When the fuel vapor check module is mounted on a vehicle, an outlet of the pump...
Internal combustion engine control system
A vehicle-supervising electronic control unit (VS-ECU) measures driving torque, which is outputted from an engine to a drive shaft through an automatic...
OFDM transmission system transceiver and method
An frequency division multiplexing (OFDM) system transceiver for transmitting frequency dividing data in parallel includes antenna elements for receiving known...
Housing structure of electronic control unit and mounting structure of the
A housing for enclosing an electronic control unit is constructed of a resinous cover and a metallic case having heat conductivity higher than that of the...
Motor control apparatus
In a control apparatus for a motor, an over-current protection circuit detects an abnormality in a motor current forcibly turns off a MOSFET. The over-current...
Vehicle tiredness alleviating system
A vehicle tiredness alleviating system provided with at least one of a vehicle air-conditioning system for controlling a temperature in a passenger compartment,...
Comparator circuit and rotation detector
The comparator circuit includes an amplifier amplifying a voltage signal inputted from outside, a voltage dividing circuit dividing down a power supply voltage...
Rotational speed and position detector for supercharger
A motor-assisted turbocharger is composed of a turbine driven by energy of exhaust gas, a compressor rotated by the turbine and a rotary electric machine for...
Semiconductor device manufacturing method
A semiconductor device includes: an n.sup.+ type drain region; an n type drift region that connects with the n.sup.+ type drain region; a p type body region; a...
Method of producing ceramic body
This invention provides a production method of a ceramic body that can use waste and defectives generated during a production process. The invention includes a...
Fuel filter having double layer structure
Fuel passes through a fuel filter from the outer layer of the fuel filter toward the inner layer of the fuel filter. Large debris is arrested in the outer layer...
Manufacturing method for producing silicon carbide crystal using source
A crucible, which has first member and second cylindrical body, is disposed in a lower chamber. A pedestal is disposed inside the first member, and a seed...
Airbag system having multiple collision determining circuits
An airbag system comprises an airbag, an inflator, a squib, a high-side switch, a low-side switch, a firing circuit for switching the two switches, a first...
Intake air control device having strain absorbing structure
An intake air control device, which is mounted to a fixed member, includes a throttle body and a throttle valve. The throttle body defines an intake air passage....
Physical quantity sensor having protrusion and method for manufacturing
A physical quantity sensor detects a physical quantity. The sensor includes a movable portion having a bottom and a protrusion disposed on the bottom of the...
Exhaust cleaning device of internal combustion engine
An exhaust cleaning device of an internal combustion engine includes a particulate filter disposed in an exhaust duct of the internal combustion engine. A...
Adjustment-circuit embedded semiconductor sensor and torsion bar type
torque sensor system
A torsion bar type torque sensor system is provided with the following: an elastic member that receives a torque and converts the torque to a torsion...
Control device for diesel engine
An engine control device for controlling an exhaust gas recirculation operation includes a variable-capacity turbo supercharger, an EGR valve, a supercharging...
Remote control system for controlling a vehicle with priority of control
access being assigned to the most...
A vehicle remote control system in which a plurality of users carry respective electronic keys that are assigned respective ID codes, for communicating with a...
A reference voltage and an input signal voltage are applied to gates of FETs each equipped with a LOCOS-drain structure, respectively, and currents according to...
Capacitive physical quantity sensor
In a capacitive physical quantity sensor, a C-V converter converts a variation in a capacitance between a movable electrode and a fixed electrode into a voltage...
Spark plug having center electrode with columnar portion and conical
A spark plug is composed of a main metal fitting having a cylindrical structure, an insulator disposed inside the cylindrical main metal fitting, a center...
A spark plug includes a metallic housing, an insulator fixed in the metallic housing, a center electrode fixed in the insulator, a ground electrode opposed to...
Power MOS transistor having capability for setting substrate potential
independently of source potential
A power MOS transistor formed of an array of source cells and drain cells on an IC chip substrate has a plurality of substrate contact cells, each formed...
Vehicle air conditioning system having door drive mechanism
A pitch circle radius of a driving side gear of a drive mechanism of an air mix door is continuously and progressively increased from a maximum heating position...
Metallic face plate for automotive instrument cluster
A viewed component of a vehicle instrument cluster includes a planar sheet including a first face and a second face. The first and second sheet are offset by a...
Fuel supply system installed inside fuel tank
A fuel supply system has a cover, a pump unit, and metal pipes. The cover and the pump unit are connected through the use of the metal pipes so as to be moved...
Object detecting apparatus and irregularity detecting device for the same
An object detecting apparatus for detecting an object or a distance with the object includes at least one light receiving element for detecting a light quantity...
Ignition apparatus for internal combustion engine
An ignition apparatus for an internal combustion engine, which is controlled by a control unit, includes a connector, an ignition coil assembly, an igniter and a...
Fuel supply pump having inner lubricating groove
A fuel supply pump includes a housing, a camshaft and a cam ring. The camshaft is rotatably supported in the housing. The cam ring is supported around a cam...
Variable valve timing control device of internal combustion engine
A required valve timing change rate Vreq is calculated so as to make a deviation D between a target valve timing VTtg and an actual valve timing VT small and...