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.
Air conditioner with reduced number of piping accessories
A refrigerant circuit in an air conditioner comprises a compressor that compresses a refrigerant, a condenser that liquefies the refrigerant, a pressure reducing...
In an ejector cycle with an ejector including a nozzle for decompressing refrigerant, a variable throttle is disposed upstream from the nozzle of the ejector to...
Comparing circuit, comparator, level determining circuit and threshold
voltage setting method
In a comparing circuit, an input signal switching circuit has a first input terminal, a second input terminal, a first output terminal and a second output...
Rotary electric machine
In a vehicle alternator having a stator, a rotor, and frames, a disc group is fixed to an axial end surface of a magnetic pole core of the rotor for creating the...
Power supply control system for heater used in gas sensor
A heater control system is provided for controlling the temperature of a heater used to heat a solid electrolyte-made sensor element of a gas concentration...
Thermo pile infrared ray sensor manufactured with screen print and method
In a thermo pile infrared ray sensor, an opening portion is formed by etching a substrate from a second surface after an n-type poly-Si layer and a thin...
Electronic device having integrated connector
An electronic device includes an integrated connector, a printed circuit board (PCB), a case, and a cover. The integrated connector has a connector pin having a...
Vehicle front end structure
A carrier (1) is secured to a vehicle front end portion via a bracket (4) secured to side members (2) and a bumper reinforcement (3). The connecting portions of...
Variable transmission-ratio steering apparatus
A variable transmission-ratio steering apparatus comprises an input shaft coupled to a steering wheel, an output shaft operatively coupled to steerable road...
Ignition coil assembly
An ignition coil assembly includes a base member formed with collars having corrugated faces at the bottom ends thereof. Corresponding bosses are formed on the...
Throttle valve apparatus
A projecting portion, which projects from an outer surface of a bore portion, integrally has a full open stopper and a full close stopper. The full open stopper...
Magnetic torque sensor including integral sub-unit
A pair of magnetic flux collecting rings and a magnetic sensor are integrally covered by a molded resin to form a sub unit of a torque sensor. The pair of rings...
Highly reliable torque sensor
A torque sensor is provided which consists of a magnet, an assembly of magnetic rings, and a magnetic sensor. The magnetic rings have claws arrayed thereround at...
Sensor having membrane and method for manufacturing the same
A sensor device includes a circuit chip, an adhesion film, and a sensor chip mounted on the circuit chip through the adhesion film. The sensor chip includes a...
Semiconductor mechanical sensor
A semiconductor mechanical sensor having a new structure in which a S/N ratio is improved. In the central portion of a silicon substrate 1, a recess portion 2 is...
Control method for gas concentration sensor
An A/F signal proportional to an oxygen concentration in the exhaust gas from an internal combustion engine is output upon application of a voltage based on an...
Ejector cycle system
In a hot gas heating mode of an ejector cycle system, hot gas refrigerant discharged from a compressor is introduced to an interior heat exchanger while...
Electronic control unit
An electronic control unit installed on a high temperature heat source or in its vicinity exhibits an improved heat dissipation ability within its installation...
A displacement sensor precisely detects displacement of a moving body in a rectilinear movement direction even if the moving body rotates. The sensor includes a...
Abnormality detection apparatus of vehicle AC generator
An abnormality detection apparatus of a vehicle AC generator that includes a rectifier for providing DC voltage is disclosed. The abnormality detection apparatus...
Rectifier for alternator having rectifier element covered with rectifier
A rectifier of an alternator includes positive and negative rectifier elements. Each rectifier element has a lead wire connected thereto, and a vicinity of a...
Semiconductor device having high breakdown voltage without increased on
A first trench is formed in a surface of an n.sup.+ -type semiconductor substrate that forms a source region. A p-type base region, an n.sup.- -type drift...
Contact slidable structure with a high durability
A contact slidable structure is formed between a resilient terminal and a terminal electrode. The terminal electrodes and are disposed on the ceramic element....
Fastening assistance structure
A fastening assistance structure has a bolt hole for passing therethrough a threaded portion of a bolt, a seat face for engaging a head seat face of the bolt,...
Plastically worked cast aluminum alloy product, a manufacturing method
thereof and a coupling method using...
The newly proposed cast aluminum alloy product has the composition consisting of 6.5-8.0% Si, 0.25-0.45% Mg, 0.08-0.40% Fe, 0.001-0.01% Ca, P less than 0.001%,...
Semiconductor pressure sensor
In a diaphragm (30) having a square shape comprising four sides of a pair of first sides (31, 32) extending along the <110> crystal axis direction and a...
Arrangement structure for protecting a drain hose of a vehicular air
In a arrangement structure of a drain hose that drains water from an air conditioning case to an outside of a vehicle, the drain hose is disposed to extend along...
The electromagnetic valve has an electromagnetic actuator for operating a valve. The electromagnetic actuator has a movable core that reciprocally moves in an...
Semiconductor device and method for manufacturing the same
A trench-gate type transistor has a gate insulating film formed on an inner wall of a trench. The gate insulating film includes a first portion located on a wall...
Exhaust gas purifying filter and manufacturing method therefor
A ceramic material containing organic binder is formed by extrusion, dried and cut off so as to make the honeycomb body 100 having the bulkheads 11 and a...
Variable capacity compressor
A variable capacity compressor like a swash plate type where a pressurized fluid is fed to a control pressure chamber such as a swash plate chamber to apply a...
Electronically controlled throttle apparatus
In an electronically controlled throttle apparatus, a coil spring is shaped to extend from a U-shaped hook portion which is a joint between a first spring...
Accessory-driving equipment for an automotive vehicle
Accessory-driving equipment connects an engine having an idle stop system, a motor-generator and an accessory including an air-conditioner compressor that is...
Cooling device boiling and condensing refrigerant
In a cooling device boiling and condensing refrigerant, a heat conductor portion for thermally connecting a heat reception wall and a heat radiation wall...
Fluid flow amount measuring apparatus responsive to fluid flow in forward
and reverse directions
In a thermal-type air flow measuring apparatus, a heater is set to a reference temperature which is a predetermined temperature higher than an intake air...
Vapor-compression refrigerant cycle with ejector
In a vapor-compression refrigerant cycle having an ejector, a mixture refrigerant of a first refrigerant and a second refrigerant is used. When the mixture...
Method for manufacturing an electric rotary machine
A conductor segment constituting a stator coil has a head conductor portion protruding from slots of a stator core for constituting a head side coil end. The...
Vehicle data communication system having supervised coordination of
networks which control respective basic...
A vehicle LAN is formed of networks of ECUs with each network controlling a specific basic system of the vehicle such as the power train, and each network...
Production method and a production system
Various models of brake parts (products) are produced with a mixedly transferring production system. The mixedly transferring production system includes a top...
Non-linearity correcting method and device for A/D conversion output data
Predetermined reference voltages v1, v2 are A/D-converted to achieve corresponding digital data d0, d1, d2. Any reference digital values y1, y2 are set in...
Driving circuit for push-pull operated transistors
A driving circuit having a p-n-p transistor and an n-p-n transistor which are connected in series between a high-voltage side source terminal (V.sub.B) and a...
Rotor of rotary electric machine having commutator surface facing axial
A rotor of a rotary electric machine such as a starter motor for cranking an internal combustion engine is substantially composed of an armature core fixed to a...
Generator system for use in automotive vehicle
A generator system includes an alternator driven by an engine through a driving belt and an electronic control unit for controlling operation of the engine. The...
Rotator with bearing, and method for manufacturing the same
A pulley includes a radial rolling bearing and a pulley main body which are integrated to each other by an insert molding method. Therefore, a metal insert...
Collision damage reduction system
In a collision damage reduction system, a microcomputer obtains relative position data corresponding to a relative between a vehicle and an object from a first...
Device and method for detecting oil deterioration
A method and a device for detecting a deterioration of vehicle oil are disclosed in which the end point of the oil service life can be detected with higher...
Lithium-ion battery charger input pre-regulator
A battery charger for charging a battery from a power source is provided. The battery charger includes a current sense circuit in series with the power source...
Slip ring apparatus for an automotive alternator
A slip ring apparatus includes a pair of slip rings electrically insulated from each other and disposed coaxially, a pair of electric conductive elements for...
Catalyst for automobiles
This invention aims at achieving early activation by use of a catalytic body having a low thermal capacity, and a low pressure loss, without using a coating...
Method for manufacturing a dynamic quantity detection device
A method for manufacturing a dynamic quantity detection device that is formed by bonding a semiconductor chip that includes a detection element for detecting a...