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Commutator of motor and method of manufacturing the same
A fuel injection device includes a cylindrical valve housing, a valve needle disposed inside the valve housing and a ceramic heater disposed around the valve...
Air-fuel ratio controller of internal combustion engines
For a control model which simulates a control object ranging from the fuel injection valve up to the air-fuel ratio sensor, coefficients of a characteristic...
Sensor held by base having lead
A pressure sensor has a sensor chip with a diaphragm formed therein and bumps formed thereon, and a stem with leads extending from a surface thereof to the...
Semiconductor dynamic quantity sensor for detecting dynamic quantity in two
axes with X-shaped mass portion
A dynamic quantity sensor includes a semiconductor substrate, a movable electrode, first fixed electrodes and second fixed electrodes. The movable electrode...
Control apparatus for internal combustion engine
An intermediate target value calculating unit calculates an intermediate target value .phi.midtg(i) on the basis of an output .phi.(i-1) of an A/F ratio sensor...
Apparatus and method for preprocessing a picked-up image, lane mark
recognizing system, related vehicle...
An image filter 1 produces an emphasized output in response to a brightness change between a dark portion and a bright portion of a picked-up image, with a sign...
Display apparatus and an image input apparatus used for the same
A display apparatus according to one aspect of the first invention includes: an irradiating unit for generating signal light which records information to be...
Navigation system, GPS terminal and navigation method using supplementary
data in broadcast radio wave signal
A navigation system is constructed to set up navigation function of a GPS terminal by using radio signals of broadcast station before receiving GPS signals from...
Rotary electric machine having a permanent magnet stator and permanent
A rotary electric machine for a hybrid vehicle includes a rotor connected between a vehicle engine and a torque transmission mechanism at the back of the vehicle...
Cordierite honeycomb structural body and its production process
There is provided a cordierite honeycomb structural body that allows the thickness of the cell walls to be reduced and heat capacity to be decreased by improving...
Multilayered gas sensing element employable in an exhaust system of an
internal combustion engine
An objective gas to be measured is introduced into first and second chambers which are connected via a diffusion resistive passage. A first electrochemical cell...
Method of producing silicon carbide device by cleaning silicon carbide
substrate with oxygen gas
In a process of producing a SiC device, a Si layer is formed on the surface of a SiC substrate, and the Si layer is removed from the surface of the SiC substrate...
Fabrication machine for fabricating spark plug with plurality of ground
electrodes and fabrication method using...
A spark plug fabricating machine and a method using the same are provided. The fabricating machine is designed to bend a plurality of electrode bars to fabricate...
Air passage switching device and vehicle air-conditioner
The present invention provides anchor tabs at opposite ends of a film member that are anchored to side faces of a door plate of a sliding door. Draft deflectors...
Time measuring system and related distance measuring system
A coarse measuring circuit measures an approximate measurement object time DU based on a first reference clock CK10. The approximate measurement object time...
Screw compressor having a shaped discharge port
Pulsation, vibration and noise of a screw compressor is caused by compressed air abruptly discharging through a discharge port in a rotor chamber during rotation...
In an intake manifold, a resin intake air introduction portion has a semicircular lower intake pipe, a volume chamber and joints provided in the volume chamber...
Electrical capacitance pressure sensor having electrode with fixed area and
manufacturing method thereof
An electrical capacitance pressure sensor has a lower electrode, a movable electrode, and an upper electrode. A first cavity portion is formed between the lower...
Heat pump cycle having internal heat exchanger
Heat exchange is performed between a discharge side refrigerant and a suction side refrigerant also at the time of a heating operation. By this, a liquid phase...
Ejector cycle system
In an ejector cycle system, hot gas refrigerant discharged from a compressor is introduced into an evaporator through a bypass passage while bypassing an ejector...
Method and apparatus for recognizing object
A transmission wave is applied to a predetermined range in a width-wise direction of a vehicle. Objects ahead of the vehicle are recognized on the basis of...
Vehicular power supply apparatus and method of controlling the same
A lower battery block feeds low-voltage power to a low-voltage load. The lower battery block includes cells. At least one higher battery block is connected in...
Printed circuit board with ground corner regions
Plural pins are arranged on a printed circuit board to form a generally square shape and are electrically connected to terminals of a QFP-IC. In the pins, a pin...
Activation control apparatus and method of airbag apparatus
A satellite sensor and a floor sensor are provided in a forward portion and a central portion, respectively, of a vehicle body. A calculated value and a speed...
A solenoid valve includes an electromagnetic drive unit for generating a magnetomotive force when being fed with electric power. There are a controlled-fluid...
Interrupt controller and a microcomputer incorporating this controller
To downsize the circuit scale of a CPU in a microcomputer capable of executing multiple interrupt, an interrupt controller includes an interrupt mask level...
Capacitance type humidity sensor and manufacturing method of the same
A capacitance type humidity detecting sensor has two electrodes opposing each other with a gap interposed therebetween to form a capacitor on a silicon substrate...
Device for driving capacitive load
A number of capacitive pixels formed in an electroluminescent display panel are selectively charged and discharged by the driving device. The driving device is...
Multilayered gas sensor and a related gas concentration detecting system
An exhaust gas side electrode is provided on one surface of a solid electrolytic substrate. A reference gas side electrode is provided on an opposite surface of...
In-vehicle key check system having check history memory
An in-vehicle key check system has a security ECU, a transmitter and a receiver for communication with a portable electronic key. The ECU communicates with the...
Method of making a thin film sensor
In a thin-film infrared sensor, (100)-oriented semiconductor substrate is used for the sensor fabrication. A surface of the substrate is partially masked to...
In a fuel injector, a valve member in a hollow cylindrical shape having a bottom is enclosed and supported in a magnetic cylinder defining a fuel passage to...
Vehicle air conditioner with front air passage and rear air passage
In a vehicle air conditioner, an air conditioning case has a front air passage and a rear air passage through which air is blown to a front seat side and a rear...
Front end panel
An intake duct (intake air path) utilizes an upper beam member of a front end panel, the cross section of which is substantially a C-shape. When the front end...
Power supply control system for heater used in gas sensor
A heater power supply control system is provided for controlling the temperature of a heater used to heat a solid electrolyte-made sensor element of a gas...
Pressure sensor having semiconductor sensor chip
A semiconductor sensor chip mounted on a thin diaphragm of a cylindrical metallic stem via an insulation layer is hermetically contained in a housing of a...
Rectifier unit of vehicle AC generator
A rectifier unit of a vehicle AC generator is comprised of a plurality of metal cases, a plurality of pairs of first and second semiconductor chips and a...
Silicon carbide semiconductor device and manufacturing method
A channel layer 4 is formed on an n.sup.- -type epitaxial layer 2 and first gate areas 3, and field enhanced area(s) 5 and second gate areas 6 are formed on the...
Blower for vehicle
The same size casing is used for interior air blowers of a combination air conditioning and heater interior unit disposed in left- and right-hand drive vehicles,...
Solar radiation detection unit and vehicle air conditioner using the same
The air conditioning controller for controlling a vehicle air conditioner provided for a vehicle equipped with a navigation system includes a solar radiation...
Cooling apparatus using boiling and condensing refrigerant
According to the present invention, a cooling apparatus using boiling and condensing refrigerant, includes a fluid separating plate for separating a ...
Combustion pressure sensor assembly
A glow plug with combustion pressure sensor having a plug body having a screw portion on the outer peripheral surface that is inserted into a screw hole of an...
Pressure sensor and method for assembling the same
A pressure sensor has a sensor element portion for detecting pressure, and a pressure conduction portion connectable to a detected member and defining therein a...
Tire air pressure determining apparatus and method of determining tire air
A variable value (dynamic load radial deviation .beta.) for making determination of a tire air pressure is calculated from pulse number cumulative values PFL,...
Ejector cycle system with critical refrigerant pressure
In an ejector cycle system using carbon dioxide as refrigerant, an ejector decompresses and expands refrigerant from a radiator to suck gas refrigerant...
Heat pump cycle
In a heat pump cycle, a first high-pressure side heat exchanger is disposed to perform a heat exchange between refrigerant discharged from a compressor and a...
Refrigerant cycle system and valve device for the same
In a refrigerant cycle system having a hot gas heater function, a valve device includes a solenoid valve for opening and closing a communication between a...
Radio communication device having variable communication speed
Communication speed of a radio communication device such as a portable telephone is controlled according to temperature of a transmitting amplifier to avoid...
Silicon carbide semiconductor device
A semiconductor device, comprising: a semiconductor substrate comprising silicon carbide of a first conductivity type; a silicon carbide epitaxial layer of the...
A shock absorber for a starter is presented. The shock absorber includes a rotary disk, a stationary disk and a disk spring. The rotary disk is pressed by the...