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.
Idle speed control valve
In an idle speed control valve, an adjusting screw is inserted into a hole of a valve body and passes through a center of a coil provided in the valve body. The...
Sealing surface pressure increasing arrangement of fluid conducting system
Reduced thickness portions in a form of a recess are formed in a contact surface in a lower end of a tip packing, which contacts with an upper end of a nozzle...
Fuel injection valve
In a fuel injection valve having a housing pipe, a valve movable reciprocatingly and axially inside the housing pipe, and a body valve having a bottom wall...
Evaporative emission control system and method for detecting leaks therein
In an evaporative emission control system, when an engine is running, a negative pressure generated in an air intake pipe of the engine is introduced into a fuel...
Coolant temperature estimation system for estimating temperature of coolant
of internal combustion engine
Even after initiation of a fuel cutting operation, an estimated coolant temperature value is continuously renewed based on an engine operating state until a...
Electric control apparatus operable on object-oriented program
An electronic control apparatus is designed to perform an engine control program in an object-oriented programming manner. A first type message, which does not...
Wireless communication device having display panel
In a mobile telephone, a voice call arrival and an electronic mail arrival are notified to a user by respectively different sounds. Such sounds are selected...
Method and apparatus for measuring distance to a detection object
A method and apparatus of measuring a distance to a reflection object is disclosed. A sensitivity time control (STC) process is applied to a received signal from...
Voltage regulator of vehicle AC generator having variable bypass circuit
A voltage regulator of a vehicle AC generator includes a control circuit connected to a power circuit for supplying field current to a field coil of the AC...
Lithium-ion battery charger power limitation method
A method of charging a battery from a power source is provided. The method includes providing a charge circuit in series with the battery and the power source. A...
Piezoelectric actuator and method for driving the same
This invention provides a piezoelectric actuator exhibiting a small change of displacement even when ranges of use conditions such as a temperature, an electric...
Rotary electric machine
A rotary electric machine has a brush assembly that defines a slip ring cavity enclosing slip rings and brushes. The brush assembly provides two different...
Vehicle rotary electric machine with a rectifier protection arrangement
having a sacrificial member
A rectifier protection arrangement of a vehicle rotary electric machine is disposed where conductive liquid may be splashed on thereon. The arrangement includes...
Cooling structure of vehicle AC generator
A vehicle AC generator includes a rotor, a stator, a frame supporting the rotor and the stator, a rear cover having an air intake window, a rectifying unit...
Reducing-atmosphere-resistant thermistor element, production method thereof
and temperature sensor
This invention provides a reducing-atmosphere-resistant thermistor element, the resistance of which does not greatly change even when the element is exposed to a...
Compressor having cooling passage integrally formed therein
A compressor is composed of a pair of rotors engaging with each other and a driving mechanism having plural gears for driving the pair of rotors. The pair of...
Copper-based sintered alloy bearing and motor fuel pump
The Cu-based sintered alloy bearing of the present invention is made of a Cu-based sintered alloy with a composition consisting of, by weight, Ni: 10 to 25%, Zn:...
Piezoelectric device for injector
A piezoelectric device which is applicable, for example, as a drive source for a fuel injector comprises a plurality of piezoelectric layers and a plurality of...
Waved uneven portions (112f, 122f) are formed on the protrusion portions (112e, 122e) of the fins (112, 122) protruded from an end of the tubes (111, 121) in the...
Check valve slantedly biased against pressure-imposing direction
A check valve allowing one-way fluid flow is disposed at an outlet side of a pressurizing pump. The check valve includes a valve seat and a valve body for...
Ignition coil for internal combustion engine
An ignition coil according to the invention is an ignition coil having a case and a coil portion accommodated in the case. The case comprises a base resin whose...
Controller for internal combustion engine
The present invention is directed to provide a controller for an internal combustion engine, capable of suppressing deterioration in drivability of an engine. A...
Air amount detector for internal combustion engine
A response delay compensation element for compensating a response delay of an output g.sub.MAF of an airflow meter by a phase advance compensation is provided so...
Vehicle air conditioner having refrigerant cycle with heating function
In a vehicle air conditioner, a refrigerant cycle system is constructed to switch a cooling refrigerant cycle where an interior heat exchanger is used as an...
Apparatus for controlling catalyst temperature and method for controlling
A catalyst is warmed up by a rapid heating control that retards ignition timing and increases an intake air amount. Then the warm up is completed or a...
Seated person determination apparatus for vehicle seats
The present invention provides a seated person determination apparatus for a vehicle seat that accurately differentiates the type of person seated, or...
Characteristic adjusting method in process of manufacturing products
In a process control data base, intermediate characteristics, processing condition for controlling a characteristic and a final characteristic in a process of...
Mobile station to base station communication and signal acknowledgement
A retransmission value in a digital cellular phone is negotiated using information from the cellular phone, sent to the network.
Revolution detecting device
In a revolution detecting device, a tunneling magnetoresistance sensor having an element located in a region is provided. The tunneling magnetoresistance sensor...
Construction for transmitting displacement of piezoelectric element
Structure for transmitting displacement of a piezoelectric element includes a piston member. A distal-end plate portion has a receiving face adapted to be...
Piezoelectric device and method for producing the same
A stacked piezoelectric device 1 comprising a plurality of piezoelectric layers which are stacked one over another has an abutment 61, 62 which is brought into...
Alternator for vehicles having permanent magnets in rotor
A brushless-type alternator has a rotor, which comprises a pair of pole cores. The pole cores include a plurality of nail parts, respectively. The nail parts are...
Internal combustion engine device
When a load given to the engine 100 is less than a predetermined value, the outside air suction port 104 is closed and only inside air is supplied to the engine...
Polyester resin composition and molding product thereof
A polyester composition comprising (A) 30 to 95 parts by weight of a polybutylene terephthalate resin containing a polybutylene terephthalate-isophthalate...
Oxygen sensor element
An oxygen sensor element is provided which may be used in an oxygen sensor designed to measure the concentration of oxygen contained in exhaust gasses of an...
Nonfragile and quickly activatable structure of gas sensor element
A nonfragile ad quickly activatable structure of a gas sensor element which may be built in a gas sensor employed in an air-fuel ratio control system for...
Manufacturing method for a spark plug
First and second guides of a guide jig are removed from a tip in a direction normal to an axial direction of the tip. This surely prevents the guide jig from...
Composite drive system for compressor
A dynamotor capable of operating as either a motor or a generator is used with both the armature portion and the field portion thereof capable of being rotated....
Axial fan for vehicles
Front edges 212b of blades 212 are so constituted as to be deviated toward the upstream side in the air stream beyond an axial end surface 211a, as viewed from a...
Vehicle air conditioner having surface temperature sensor
The air conditioner includes a surface temperature sensor for detecting a surface temperature of a clothes portion of a passenger. In the air conditioner, a...
Hydrophilic modification method and heat exchanger treated thereby
A hydrophilic modification method comprising a step of forming a coat having a solid coat amount of 0.02 to 3 g/m.sup.2 on a heat exchanger with a modifier for...
In a link mechanism, a first link is disposed to be movable by a driving force from a driving source, and a second link is operatively linked with the first link...
Starter having resilient shift lever for driving pinion gear
A starter for engines uses a leaf spring as a shift lever for advancing a pinion gear for engagement with a ring gear. The shift lever may be constructed with a...
Semiconductor dynamic quantity sensor
A bridge circuit includes four gage resistors. Each gage resistor is divided into two division gage resistors. A couple of division gage resistors. The junction...
Oscillatory angular rate sensor
An oscillatory angular rate sensor unit includes a mount base and a sensor element installed on the mount base. The sensor element includes an oscillator which...
Structure of gas sensor
An improved structure of a gas sensor is provided which may be employed in an oxygen measuring device of an air-fuel ratio control system measuring an oxygen...
Automatic toll collection system for automotive vehicle
An automatic toll collection system for automotive vehicles moving along a roadway is provided which includes a toll collecting facility and an inspecting...
VEHICLE NAVIGATION APPARATUS PROVIDING RAPID CORRECTION FOR EXCESSIVE ERROR
IN DEAD RECKONING ESTIMATES OF...
In a vehicle navigation apparatus having a control section which calculates relative vehicle positions and travel direction by dead reckoning calculations based...
Misfire detection apparatus for internal combustion engine
A misfire detection apparatus for an internal combustion engine determines misfire based on first and second variation amounts calculated based on variations of...
Vehicle headlamp's optical axis control system
A headlamp's optical axis control system for a vehicle includes a infrared light camera for detecting an object on a road in front of the vehicle and a...