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.
Internal combustion driven automotive alternator having inertial torque
change control circuit
A controller for an alternator driven by an output torque of an automotive engine mechanically through a belt is provided. The controller works to control an...
Method and apparatus for controlling synchronous motor
A method and apparatus of controlling a synchronous motor having a rotor, and a stator which produces a magnetic flux for rotating the rotor about an axis...
Semiconductor device having a protective film
A semiconductor device comprises a semiconductor element, a heat sink soldered to one surface of the semiconductor element, and a heat sink soldered to an...
Stabilization in device characteristics of a bipolar transistor that is
included in a semiconductor device with...
In the manufacturing process of a Bi-CMOS semiconductor device, which includes a CMOSFET and a bipolar transistor, the steps for forming a well region, source...
Method for molding ceramic sheet
A method and an apparatus capable of extrusion molding a comparatively wide, thin ceramic sheet using a screw extruder while suppressing the wrinkling thereof....
Control device for hybride-driven auxiliary system
A control device is provided in a hybrid-driven auxiliary system using an engine and a motor as driving force. The control device includes: an auxiliary unit...
Pulley type torque transmitting apparatus
A hole is formed in a damper rubber, where by when a compressive load is small, pillar portions undergo a flexural deformation so as to result in buckling...
Electronic device in which a circuit board and an electric connector are
electrically connected by a flexible...
An electronic device includes a circuit board, a flexible printed wiring board, and an electric connector. The circuit board includes an electronic circuit. The...
Pressure control valve for controlling operation of fuel injector
A nozzle needle of a fuel injector is driven in a controlled manner by changing back pressure applied thereto. The back pressure is controlled by a pressure...
Wobble type fluid pump having swing support mechanism
A swing member is supported by a swing support member like a universal joint of a Hook's type such that it can swing in a state where it is prevented from...
Diaphragm-type semiconductor device and method for manufacturing
diaphragm-type semiconductor device
A diaphragm-type semiconductor device includes a semiconductor substrate, a surface of which is substantially flat, a diaphragm, which covers a circular pressure...
Method for adjusting accelerator pedal apparatus
An accelerator pedal is positioned at a kickdown position. Then, an output value of a measurement device of an accelerator pedal position sensor is measured....
Method for inspecting the quality of a gas sensor, related manufacturing
method, and related inspecting apparatus
An impact force is applied to a sensing element to enlarge the size of a hidden crack to a visible level to reveal the presence of a hidden crack. To apply the...
Accessory equipment driving device for vehicle
Three shafts of a planetary gear mechanism, which is a torque distribution mechanism, are connectable to an engine, a motor-generator and a compressor,...
A/D conversion method and apparatus therefor
An A/D conversion apparatus includes four A/D conversion units, each comprising ring delay lines, pulse selectors for detecting the positions reached by pulse...
Electrically-operated actuator system
A motor stopping circuit is activated when a motor control circuit is stopped by a reset signal outputted from a reset circuit. This maintains an overrun angle...
Electric motor having brush holder with axial movement limiting armature
contact member protector
An electric motor provides a carbon contact member of a commutator from colliding with a brush holder. A projection is formed in the brush holder so that it...
Lead-wire arrangement of vehicle ac generator
An ac generator for a vehicle includes a multi-poled rotor, a stator having a multi-phase stator winding which has output lead wires, a full-wave rectifier unit,...
Aluminum-extruded multi-cavity flat tube having excellent brazing
characteristics for use in automotive heat...
An aluminum extruded multi-cavity flat tube for use in an automotive heat exchanger having excellent brazing characteristics. At least one of the flat surfaces...
Exhaust gas purifying filter
An exhaust gas purifying filter employs plugs that can be used as part of filter. The exhaust gas purifying filter has a honeycomb structure including a...
Variable valve timing controller
The variable valve timing controller controls the valve timing of the intake valve. The variable valve timing controller has a shaft, the stator fixed on the...
Vapor compression refrigeration system
In a vapor compression refrigeration system, an evaporator and a gas-liquid separator are received in a common casing, so that the gas-liquid separator and the...
Vehicular air conditioning unit
In a left and right temperature independent control-type air conditioning unit for a vehicle, a case is constructed of a first case and a second case. An air...
Manufacturing method for a spark plug
A windbreak provided along a side of a tray prevents insulators located close to an entrance of a furnace from being directly cooled by the air coming into the...
Vehicular electronic control system, and electronic control unit, program,
and storing member for the same
A vehicular electronic control system includes multiple electronic control units (ECUs) to which a tester is connectable for diagnosis. Each ECU stores a vehicle...
Memory controller and serial memory
In a memory controller, a serial data including an instruction bit train with addition of a start bit, a clock signal, a chip enable signal, and a reset signal...
Memory control apparatus for serial memory
A memory control apparatus for controlling the operation of a memory array in a serial memory employs a command control section for registering the bits of an...
Electronic control system using single receiver for different control modes
In a remote vehicle door control, a single receiver is used for both a wireless control whereby a door lock actuator is controlled according to an operating...
Structure of spark plug designed to provide high thermal resistance and
A spark plug is provided which consists of a center electrode retained within a metal shell and a ground electrode including a noble metal-made tip and a body...
Vehicle AC generator having vibration-resistant stator
A stator winding includes at least two pairs of in-slot portions aligned in a depth direction of each of slots and first and second coil-ends that respectively...
Rotary electric machine for electric vehicle
A rotary electric machine includes a stator core having a plurality of slots disposed at an inner periphery, an armature winding disposed in the slots and a...
Semiconductor device having radiation structure
A semiconductor device includes two semiconductor chips that are interposed between a pair of radiation members, and thermally and electrically connected to the...
Method for manufacturing a semiconductor device having a trench and a thick
insulation film at the trench opening
A surface of a semiconductor substrate is selectively etched to form a first opening, which serves as the opening of a trench. A USG film is deposited on the...
Fuel injection pump having throttled fuel path for fuel lubrication
In a fuel path through which fuel is supplied to a pump-cam chamber accommodating a drive shaft and a cam for lubrication, an annular throttle fuel path is...
Fuel injection pump
A fuel injection pump has a drive shaft. A cam rotates together with the drive shaft. A plurality of plungers, slidably supported by a pump housing and driven by...
Air conditioning apparatus for vehicle
In an air conditioning apparatus where air flows through a cooling heat exchanger (21) upwardly from below, it is an object to improve draining performance of...
Angular velocity sensor
An improved vibration type angular velocity sensor suppresses temperature variation of the sensitivity in the atmosphere. When the vibrator 31 is subjected to an...
System for installing control program in electronic control unit mounted on
A control program for an electronic control unit (ECU) is installed at an end of a manufacturing line after the ECU is mounted on an automotive vehicle. The ECU...
Displaying device for vehicle having light sources of different
A light source located in a rear part of an LCD panel has a first LED group and a second LED group. LEDs in the second LED group has higher directivity than LEDs...
In the clamp circuit, the first transistor shifts a target clamp voltage by a gate-source voltage to output the target clamp voltage. The buffer circuit inputs...
Production method of spark plug designed to provide high temperature
oxidation resistance and weld strength and...
A spark plug and a production method thereof is provided which is designed to improve the high temperature oxidation resistance of a ground electrode without...
Spark plug for an internal combustion engine
At least one of a center electrode and a ground electrode of an engine spark plug is a Ni-base alloy containing, in weight percentage, 0.5.about.2.5% Si,...
Rotary electric machine
A rotary electric machine is composed of an armature core, an armature winding, a rotor core disposed opposite said armature core, a rotary magnetic-flux source...
Alternator for vehicles
A stator winding of an alternator has two poly-phase windings. Each of phase coils, e.g., X-phase coil in one of poly-phase windings, is provided by a continuous...
Vehicle air conditioning system with seat air conditioning unit
A vehicle air conditioning system includes a space air conditioning unit for blowing conditioned air into a passenger compartment, a seat air conditioning unit...
Capacitive acceleration sensor
A capacitive acceleration sensor includes a supporting substrate, a movable member, and two fixed members. The movable member moves in response to a force that...
Liquid level detecting device
A liquid level detecting device to be disposed in a liquid tank includes a body, a float arm having a float to be disposed in liquid, a resinous arm holder fixed...
Fabrication method of metal shell of spark plug
A fabrication method of a metal shell to be installed on a park plug is provided which is made up of a small-diameter portion, a large-diameter portion, and a...
Method of manufacturing a gas sensor
An improved manufacturing method for a gas sensor is provided which is capable of establishing a required hermetic seal in a body of the gas sensor. The method...
Encrypting communications between wireless mobile units
A wireless mobile unit includes a voice encoder circuit that receives an analog voice signal and creates digital voice data representing a user's voice. The...