At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
AC motor designed to ensure high efficiency in operation
An ac motor is provided which includes a plurality of looped windings each of which extends in a circumferential direction of a stator. The stator is equipped...
Method of manufacturing semiconductor sensor
A method of manufacturing a semiconductor sensor includes a forming step, a preparing step, a fixing step and a separating step. In the forming step, a plurality...
Impeller and fluid pump having the same
An impeller includes vane grooves arranged with respect to the rotative direction. At least the radially inner side of a back surface of each vane groove is...
Controller of internal combustion engine
An engine controller performs low opening degree control during a first intake stroke period since an engine start is commenced until first intake strokes of...
Fuel injection control apparatus designed to compensate for deviation of
quantity of fuel sprayed from fuel...
A fuel injection control apparatus for an internal combustion engine is provided. A controller directs a fuel injector to spray a learning injection quantity of...
Low noise amplification circuit
A low noise amplification circuit comprises a low noise amplifier and a filter coupled to the input terminal of the low noise amplifier. The low noise amplifier...
An ignition coil includes a primary coil (14), a secondary coil (16) disposed on an outer circumferential side of the primary coil and configured to be boosted...
Fuel feed apparatus and accumulator fuel injection system having the same
A fuel feed apparatus is provided for supplying high-pressure fuel to a common rail of an accumulator fuel injection system. The accumulator fuel injection...
Rate-based monitoring for an engine system
Rate based monitoring includes performing test cycles on a monitored system when predetermined conditions are met. Completion of a test cycle is determined by...
Method of producing laminate-type piezoelectric element
A method of producing a laminate-type piezoelectric element, wherein a ceramic laminated body therein is formed through an intermediate laminated body-forming...
Vehicle door control apparatus
Based on a user's instruction, a door control unit drives a door opening/closing motor for a pop-up operation. A door is thereby rotated to a predetermined...
Output control apparatus and method for field winding type dynamo-electric
A control apparatus for controlling an exciting current of a field winding type dynamo-electric machine having an exciting winding so as to obtain a demanded...
Alternator having Lundell type rotor
A Lundell type rotor of an alternator has a pole core disposed on an outer side of a field coil in a radial direction of the rotor, and a non-magnetic claw pole...
DC rotary electric machine having balance winding for reducing variations
in magnetizing force between...
In a rotary electric machine having a field winding wound on field magnet iron cores, and an armature with an armature winding connected in series with the field...
Rectifier for automotive alternator
In a rectifier for an automotive alternator, each of the rectifying elements includes a semiconductor chip and a lead electrode that connects the semiconductor...
Vehicular electric rotary machine
A vehicular electric rotary machine of a heat pipe cooling type is disclosed including heat pipe means 14, 14A, 15, 15B, associated with a cooling fin 51, 52 and...
In an electromagnetic valve, a valve member is slidably installed in a housing to open and close a valve hole. A moving core is slidably installed in the...
Ultrasonic sensor mounting structure
An ultrasonic sensor mounting structure includes an ultrasonic sensor and a wall member to which the ultrasonic sensor is mounted. The ultrasonic sensor includes...
Rudder angle sensor
A rudder angle sensor with high accuracy, including a memory for storing a correction value to correct a rotational delay of a driven gear relative to a main...
Ignition switch device
An ignition switch device is provided with a switch having a key hole, and capable of being rotationally operated in a predetermined direction with an ignition...
Vehicular heat exchanger module
A heat exchanger module includes a condenser for condensing a refrigerant, a modulator, a sub-cooler for cooling liquid refrigerant supplied from the modulator,...
Fuel injection controller
A fuel injection controller used for a fuel injection device that pumps high-pressure fuel to an accumulator and distributes the high-pressure fuel accumulated...
Control system for multiphase rotary electric machines
A control system controls, based on a comparison between a waved real current to be supplied to a multiphase rotary electric machine and a hysteresis region...
Automotive alternator having flexible bearing cover
According to the present invention, there is provided an automotive alternator which includes a rotor, a stator, a rolling bearing, and a bearing cover. The...
Device for controlling controlled variable by on/off switching operations
with less noise manner
A switching device comprises a switching element, a setting member, and a control member. The switching element turns on/off in response to a drive signal, so as...
Fuel injection controller of internal combustion engine
A crankshaft of an internal combustion engine is connected to an automatic transmission mechanism through a torque converter. A difference in a load applied to...
Device and method for controlling ignition timing of internal combustion
An engine ECU executes a program including a step of, when an absolute value of a difference between a determination value V(KX) used for determining presence or...
Leak inspection device
A leak inspection device comprises: a vacuum chamber 2 for accommodating a product 1; a vacuum pump 3 for discharging air from the vacuum chamber; a He gas bomb...
Emergency report device
Transmission of an emergency report from an emergency report device is either permitted or prohibited depending on a registration condition of an identification...
Mobile station having waiting process with main power off
While main power in an automobile is off, a telematics station in the automobile intermittently runs to execute a process. The station has a first CPU in a...
Inrush current limiting switching circuit for power supply
An inrush current limiting power supply switching circuit is disclosed including a first switch through which an electrical load, having a capacitor, and a...
Switching element overcurrent protection circuit which operates within a
high-voltage system that incorporates...
A circuit for detecting excessive current flow through a switching element derives an electrical quantity relating to a condition of the switching element and...
Power supply apparatus
The power supply apparatus includes a stepdown switching power supply circuit having a switching element and a smoothing circuit, a filter circuit located in the...
Control apparatus for electric vehicles
In a control apparatus for an electric vehicle, an input power operation quantity that reduces the difference between a target value of a system voltage and a...
Spark plug designed to ensure high strength of electrode joint and
production method thereof
An improved structure of a spark plug is provided to ensure a high strength of joint between a ground electrode and a metal shell. The ground electrode is...
Brush, commutator, and commutator device
In a commutator of a rotary electric machine, each of commutator segments has a low-resistive layer made of a low-resistive material and a high-resistive layer...
Voltage controller for alternator of vehicle
A voltage controller has a control circuit and a heat radiating member attached to the circuit. The circuit controls a voltage of electric power generated in an...
The vehicle-use generator includes a rotor rotatably mounted on a shaft and having a field coil wound therearound, a stator having stator winding wound...
Heat dissipation structure accommodated in electronic control device
A circuit board mounting electronic components including a heat generating element is accommodated in a casing. A heat dissipation member is disposed between the...
Ball grid array
A ball grid array includes: a semiconductor chip having multiple pads; and an interposer for mounting the semiconductor chip on a first surface. The interposer...
Insulated gate semiconductor device
The present invention provides an insulated gate semiconductor device which has floating regions around the bottoms of trenches and which is capable of reliably...
Linear solenoid with abutted portion
A linear solenoid is disclosed that includes a coil that generates magnetic force due to transmission of current therethrough. The linear solenoid also includes...
Vehicle steering system
A vehicle steering system for steering vehicle wheels includes a steering wheel, a steering power assisting unit for providing assisting power when the steering...
Variable valve timing controller for internal combustion engine
A motor current (driving current of motor) is estimated based on a target motor speed, an actual motor speed, and an engine speed. When the estimated motor...
Automatic transmission control system
An automatic transmission control system equipped with a shift lever position sensor which includes a plurality of switches which output binary signals following...
Structure of gas sensor designed to ensure stability of waterproofing and
A gas sensor designed to ensure waterproofing and air ventilation is provided which includes a rubber bush fitted in an end of an air cover joined to a housing....
Navigation system and program for the same
A navigation system for use in a subject vehicle for organizing a navigation instruction of a navigation route toward a destination in map data includes a...
Automobile navigation system
A driver's action at a target intersection in a guided route is predicted based on driving data. When the driver is attempting to go straight ahead at a target...
In-vehicle device, computer readable medium for controlling the same, and
method for controlling navigation device
An in-vehicle device includes: a hard disk drive for storing data; a communication element for transmitting a message to an user; an input element for receiving...
Information retrieval device
An information retrieval device having an insertion slot for inserting a medium having data to be retrieved includes an input unit for sending a signal upon...