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Electric motor with minimized cogging and related method of determining
stator pole geometry
An electric motor with reduced cogging torque and related method of determining a stator pole geometry are disclosed. The electric motor includes a rotor (80,...
A gas sensor is disclosed which attains high response speed, low power consumption, superior water splash resistance and a little setting direction dependency...
Electric air pump apparatus and evaporation fuel treatment system
A self-opened type valve is opened by motor torque of an electric motor. Therefore, a diaphragm is not necessary for opening the valve, and downsizing of a valve...
Vehicle headlamp device
A vehicle headlamp device that includes a forward vehicle detecting device and a projection state changing device for switching a projection state of the...
Capacitance-based sensor and occupant sensing system
An occupant sensing electrode is embedded in a seat. An empty seat capacitance reducing electrode is placed between the occupant sensing electrode and a seat...
Fluid pump and Rankine cycle system
A fluid pump enabling circulation of a working fluid in a Rankine cycle system etc. without utilizing electrical energy and able to be realized at a low cost,...
External combustion engine
An external combustion engine formed with a plurality of heaters for improving output, provided with a container in which a working medium is sealed flowable in...
Exhaust emission control system for internal combustion engine
In an exhaust emission control system for a vehicular internal combustion engine, a particulate filter collects particulate matters in an exhaust gas of the...
Fuel injection controller
A fuel injection controller of an internal combustion engine decreases a target intake quantity stepwise and increases an opening degree command value of an EGR...
In a computer circuit, a power supply circuit, a power supply circuit supplies a power supply voltage to a microcomputer. The power supply circuit interrupts...
Power semiconductor device
A power semiconductor device includes a power semiconductor element, a protection circuit, an inspection terminal, and an electrical conductor. The protection...
A current sensor includes a busbar, a case, a connector, and a bare chip having a current detection circuit. The busbar has a crimp terminal at one end, a ring...
Magnetic rotor and rotational angle sensing apparatus having the same
In a magnetic rotor, a rotatable shaft is received through a holder. A positioner is made of a magnetic material and is fitted into at least one of an outer...
Tandem AC generator for vehicle
In a tandem AC generator for a vehicle having dual armature core-Lundel type field core pairs placed in series, an intermediate ring as a cylindrical spacer is...
Rotary electric machine equipped with bearing structure providing enhanced
resistance to thrust load
A rotary electric machine which may be used as a starter motor in an engine starter. The rotary electric machine includes a bearing which retains an armature...
Semiconductor dynamic sensor and method of manufacturing the same
A semiconductor sensor includes an adhesive film for suppressing thermal stress transfer to a semiconductor sensor chip. More specifically, the adhesive film...
Automatic transmission system and method for controlling automatic
An SBW storage of an SBW controller stores a rotational angular position of an output shaft of an electric actuator. When the SBW controller is restarted due to...
A solenoid valve for a fuel injection valve with an internal space is disclosed. Fuel is included in the internal space. The solenoid valve includes a magnet...
A refrigerant evaporator includes an upstream tank portion for distributing refrigerant into all laminated tubes of a core portion. The upstream tank portion...
Stacked type cooler
A stacked type cooler 1 for cooling a plurality of electronic components 6 from two surfaces of each component includes a plurality of cooling tubes 2 having a...
Controller and controlling method for internal combustion engine
A base engine torque generated with an estimated intake air amount is estimated. An engine torque is corrected by correcting an ignition timing based on a...
CPU address decoding with multiple target resources
A microcomputer includes a CPU, multiple resources, and an output circuit having an address decoder. The CPU outputs an address signal to the address decoder....
DC-DC converter with capacitor precharging and duty ratio limiting
In a DC to DC converter, first and second primary windings are magnetically coupled to a first secondary winding. Third and fourth primary windings are...
Map display device and navigation system therewith
When an area corresponding to area information is determined to use a default font, an ECU displays characters by using the default font stored in a ROM. When an...
Position-based proximity security system for parked vehicle
A security system includes a position detecting device, a sensing device, and a notifying device. The position detecting device detects a position of a vehicle....
Electromagnetic switch for starter
An electromagnetic switch for a starter comprises a current-supply terminal and a vibration absorber configured to absorb vibration imposed on the terminal. The...
Magnetic sensor having spin valve type electro-magnetic transformation
A magnetic sensor for detecting an object includes: a detection portion including one half bridge, which has two spin valve type electro-magnetic transformation...
Electric power generation control apparatus
An electric power generation control apparatus is connected to an external controller composed of a vehicle interface circuit capable of generating and...
Rotor for vehicular electric rotary machine, vehicular electric rotary
machine using such rotor and related...
A rotor for a vehicular electric rotary machine, a vehicular electric rotary machine using such a rotor, a method of manufacturing a rotor of a vehicular...
Multi-phase brushless motor with reduced number of stator poles
An A-phase brushless motor, where A is an integer greater than or equal to 2, includes a stator and a rotor. The stator has q stator poles, where q is an integer...
Yoke assembly for stator of starter motor
A yoke assembly for a stator of a starter motor is disclosed including auxiliary poles and magnet springs, with each of auxiliary poles and each of the magnet...
Automotive tandem alternator having reduced axial length and improved
structure for effectively dissipating...
According to the invention, a tandem alternator includes a rotary shaft, a first and a second power generation unit arranged in tandem in the axial direction of...
Compact structure of gas sensor and production method thereof
An improved structure of a gas sensor is provided. The gas sensor includes a hollow housing in which a gas sensing element is disposed, a protective cover...
Electromagnetic switch of starter
An electromagnetic switch has a shaft and a movable contact member slidably supported by the shaft. The shaft is moved with a plunger when an electromagnet is...
Method for manufacturing SiC semiconductor device
A method for manufacturing a SiC semiconductor device includes: forming an impurity layer in a SiC layer; and forming an oxide film on the SiC layer. The forming...
Air-fuel ratio control system for internal combustion engine
When detecting the data showing an output characteristics of an air-fuel ratio sensor, the air-fuel ratio (feed air-fuel ratio) supplied to each cylinder is...
Control system and timing rotor for multi-cylinder internal combustion
An angular interval between a piston top dead center of one of two cylinders of an engine and a piston top dead center of the other one of the two cylinders is...
Torque detecting apparatus
A torque detecting apparatus is provided which is capable of easily positioning a magnetic sensor in relation to a corresponding pair of magnetism collecting...
In-vehicle display apparatus
A car navigation system includes a liquid crystal display having a touch screen on its screen, a sound output device, and a control device. The control device...
Storage apparatus, in-vehicle navigation system, and method for
controlling temperature of storage apparatus
A storage apparatus includes the following. A storage medium stores information. A drive unit rotatively drives the storage medium. A head section records and/or...
An antenna holder for holding an antenna includes signal wiring and ground wiring being disposed on a single circuit board as either one of an external element...
Method for determining noise floor level and radar using the same
A method for a radar for detecting a noise floor level of an electric signal corresponding to an incident radio wave received by the radar, the incident radio...
Vehicle-installation direction detection apparatus enabling accurate
detection of target body directions...
A vehicle-installed direction detection apparatus is controlled in accordance with the vehicle speed, to detect respective directions of one or more target...
Position shift control apparatus ensuring durability and operation
A position shift control apparatus is provided which includes an electrical motor joined to an object through an output shaft and a torque transmission...
Laminated piezoelectric element including adhesive layers having small
thickness and high adhesive strength
A laminated piezoelectric element according to the present invention includes a plurality of unit laminates and a plurality of adhesive layers. The unit...
Wire inserting method and wire inserting apparatus in wire discharge
A wire inserting method comprises a pipe inserting step of inserting one pipe (5) into all through-holes (11) under the state where the plurality of...
Vehicle drive control system and method
In a drive control system for a hybrid vehicle, the electric power generated by an alternator driven by an engine and the electric power regenerated by a...
Fuel property determining apparatus, leakage detecting apparatus, and
injection control apparatus
A fuel property determining apparatus is provided to a fuel vapor treatment apparatus. The fuel vapor treatment apparatus controls purging of mixture containing...
Controller for direct injection engine and controlling method
An ECU feedback controls a discharge amount of a high-pressure pump in such a manner that a detected fuel pressure is consistent with a target fuel pressure. The...
A gas sensor is disclosed as having a gas sensor element, supported with a cylindrical housing, which is covered with an atmosphere-side cover fixedly secured to...