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Patent # Description
US-6,482,701 Integrated gate bipolar transistor and method of manufacturing the same
A method of manufacturing a trench gate type IGBT element, which can sufficiently round off a corner at a bottom of a trench with restricting silicon from being...
US-6,481,991 Trochoid gear type fuel pump
Two inner gears are overlapped with each other through a partition wall and are eccentrically arranged at an inner peripheral side of an outer gear, and...
US-6,480,211 Bi-directional update of displays in portable electronic device
A visual display system is described that optimizes the apparent visual effect of a particular sequence of screen update process. The system includes at least...
US-6,479,877 Semiconductor device for load drive circuit
A semiconductor device for a load drive circuit includes a main LDMOS device and a sense LDMOS device that are connected to each other in parallel to form a...
US-6,478,941 Gas sensing element and method for manufacturing the same
A gas sensing element has a solid electrolytic body, a reference gas side electrode provided on a surface of the solid electrolytic body so as to be exposed to a...
US-6,478,940 Gas concentration sensing apparatus capable of suppressing sensor voltage oscillation
A limit-current type A/F sensor produces element current responsive to oxygen concentration in the exhaust gas when a voltage is applied to its sensor element...
US-6,478,671 Air-conditioning system
An air-conditioning system alternately produces a cooled air stratum and a heated air stratum as viewed from an air outlet opening, and the guide length a1 of a...
US-6,478,369 Seat air conditioner having mechanism following passenger seat
A seat air duct includes a floor duct fixed to the floor surface of vehicle cabin and flexible ducts. The upper wall of the floor duct is partially formed by...
US-6,478,079 Plate-fin type heat exchanger and method for manufacturing the same
A recess portion for setting an attachment position is formed in each plate fin at positions adjacent to both longitudinal ends of the plate fins on both...
US-6,477,990 Heat storage tank in cooling water circuit
In a heat storage tank, first and second valve bodies are disposed to open and close first and second valve ports, respectively. A density of the first valve...
US-6,477,989 Cooling device for liquid-cooled type internal combustion engine
In a cooling device for an engine, having a motor-driven pump and a flow rate control valve, to obtain a predetermined discharge flow rate (circulating coolant...
US-6,477,858 Refrigeration cycle apparatus
The refrigerant cycle apparatus comprises a communication pipe 32 which is an upper refrigerant flow-in means allowing the refrigerant which has passed through a...
US-6,477,857 Ejector cycle system with critical refrigerant pressure
In an ejector cycle system using carbon dioxide as refrigerant, an ejector decompresses and expands refrigerant from a radiator to suck gas refrigerant...
US-6,477,626 Memory writing device for an electronic device
To provide a memory-writing device which can simply and reliably write desired data to a nonvolatile memory of an electronic device, connection is made with an...
US-6,477,461 Navigation system and method capable of registering new locations
A navigation system for vehicles has a rewritable memory, which stores data of a plurality of locations, and searches the rewritable memory for a target location...
US-6,477,453 Controller for vehicle with self-diagnostic function and recording medium
To enable easier change of a self-diagnostic program for making a contribution towards improvement in quality of the same program, even if it is required to...
US-6,476,681 Adjustable bandwidth phase locked loop with fast settling time
An adjustable bandwidth phase-locked loop including a phase-locked loop having a first input node receiving an input signal having a first frequency, a second...
US-6,476,600 Angular position measuring device
A compact and high-accuracy angular position measuring device is provided which has magnets installed in a rotor core and a magnetic sensor installed in a stator...
US-6,476,586 Capacitor charge control circuit and microcomputer using the same
A microcomputer has a CPU, a charge and discharge control circuit connected to the CPU, an input/output port, and comparator. A capacitor is connected to the...
US-6,476,530 Stator of alternator for use in automotive vehicle
A stator of an alternator for use in an automobile vehicle is composed of a cylindrical stator core and a stator coil disposed in slots of the stator core. The...
US-6,476,515 Vehicle electric control system with input device connected to central and peripheral control devices for...
An electric control system for an automotive vehicle, including a peripheral control device for electrically controlling an actuator device, a central control...
US-6,476,458 Semiconductor device capable of enhancing a withstand voltage at a peripheral region around an element in...
A semiconductor device has an element region including MOS structure. A p-well region, a connecting impurity diffused region, and an impurity diffused region for...
US-6,476,455 Infrared sensor
An infrared sensor includes a concavity made on a side of a semiconductor substrate and a plurality of sensing areas formed in a thin film area on the back side...
US-6,475,256 Cyclone type gas-liquid separator
A cyclone type, gas-liquid separator has a gas lead-through pipe penetrating an upper end wall of a cyclone chamber and extending downward to have a gas outlet...
US-6,474,752 Rotary pump and braking device using same
In a rotary pump, an outer rotor and an inner rotor are assembled in a casing such that, when a clearance between an inner teeth portion of the outer rotor and...
US-6,474,751 Hydraulic circuit having a rotary type pump and brake apparatus for a vehicle provided with the same
In the brake apparatus having a rotary pump, outer and inner rotors of the rotary pump are made of bearing steel and inner and outer teeth portions of the rotors...
US-6,474,308 Apparatus for detecting fuel property for internal combustion engine
The following conditions are used as requirements for executing a fuel property detection: an intake air temperature is lower than a restart judging value; a...
US-6,474,099 Adsorption-type cooling apparatus
The present invention provides an adsorption-type cooling apparatus comprising first, second, third, and fourth adsorption devices filled with a coolant and...
US-6,473,687 Engine control unit operable with different clocks based on crank signal system operation
An engine control unit receives a crank signal that includes a pulse train of a predetermined angle interval corresponding to rotation of an engine crankshaft....
US-6,473,286 Electromagnetic device driving apparatus
A driving apparatus for an electromagnetic valve comprises a conduction control circuit and a current-limit-value setting circuit. The conduction control circuit...
US-6,472,910 Electrical load driving device
An electrical load driving device is constructed to accurately detect an over-current state in either a high-side output mode or a low-side output mode...
US-6,471,794 Fin material for brazing
An aluminum alloy fin material for brazing which is composed of an aluminum alloy comprising above 0.1 wt % to 3 wt % of Ni, above 1.5 wt % to 2.2 wt % of Fe,...
US-6,471,409 Vehicle bearing device
A bearing device includes a pair of bearings. One of the bearings is exposed to a higher temperature condition than the other. Each of the bearings has an outer...
US-6,470,857 Flow amount control device
In a flow amount control device which control flow amount of fuel to be supplied to a high pressure fuel pump, an opening, which communicates with a port for...
US-6,470,854 Air-fuel ratio control with improved fuel supply operation immediately after complete combustion of mixture
In an air fuel ratio control for engines, a target operation characteristic of engine speed is set based on a coolant temperature when the engine starts...
US-6,470,845 Spark plug for internal combustion engine
In a spark plug for an internal combustion engine, having a fitting screw portion with a diameter of M10. An axial distance A between an end surface of a fitting...
US-6,470,768 Accelerator with attachment of pedal arm
In an accelerator, an acceleration rotor made of resin is rotatably supported in a support shaft, one end portion of a pedal arm is connected to an acceleration...
US-6,470,747 Dynamical quantity sensor
This invention provides a dynamical quantity sensor having a novel structure, wherein first beams 3, 4, 5, 6 are extended from side walls of a recess 2 of a...
US-6,470,704 Receiver-integrated condenser for a vehicle
In a core portion of the receiver-integrated condenser, a condensing portion is disposed at an upper side of a super-cooling portion. A receiving unit is...
US-6,470,697 Air-conditioning system for vehicles
When an after-evaporation temperature TE remains below the wet-bulb temperature Twet, the compressor 231 is intermittently operated for a predetermined time...
US-6,470,674 Deterioration detecting apparatus and method for engine exhaust gas purifying device
Air/fuel ratio responsive sensors are disposed upstream and downstream a catalyst to feedback-control air/fuel ratio based on the output of the upstream sensor...
US-6,470,266 Vehicular navigation system using restricted-type road map data
In a vehicular navigation system, an electronic control unit uses in its recommended vehicle travel path determination processing restricted-type roads the data...
US-6,470,263 Average vehicle speed calculation device
In a navigation system for vehicles, a type of road a vehicle travels is determined based on a present position of a vehicle and road data, and a change in the...
US-6,470,252 Integrated vehicle control system having manager ECU
An integrated vehicle control system for integratedly controlling a vehicle drive system transmits a control command from a manager ECU to an engine ECU and an...
US-6,469,608 Stick-type ignition coil device having thermal stress releasing member
A stick-type ignition coil device has a central core, and primary and secondary windings wound concentrically around the central core in a coil casing. A...
US-6,469,466 Automatic guided vehicle
Four wheels are provided to four corners of a frame of an automatic guided vehicle. One of the wheels is mounted to the frame and remaining three wheels are...
US-6,469,461 Motor control apparatus
A motor control system designed to monitor a failure in a multi-phase dc motor is provided. The motor control system includes an inverter which controls an...
US-6,469,345 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 is composed of a first portion disposed on...
US-6,468,478 Oxygen concentration sensor element impedance detecting apparatus and method
An oxygen concentration sensor element impedance detecting apparatus and method that maintains sensor detection accuracy by shortening the sweeping time period...
US-6,468,027 Fuel pump for internal combustion engine
A casing includes a C-shaped casing side pump groove along blades of an impeller. A casing cover also includes a casing cover side pump groove facing the casing...
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