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7628239 |
Adaptable remote control driving system
A modular system for remotely controlling an automotive vehicle is provided. The system issues commands responsive to a radio control transmitter, which controls the vehicle by its steering device...
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7625201 |
Method and apparatus for testing catalytic converter durability
The present application relates in general to an apparatus and to methods for testing the performance of an automotive catalytic converter under conditions simulating those which occur in motor...
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7614231 |
Method and system to operate diesel engine using real time six dimensional empirical diesel exhaust pressure model
A method to estimate real-time exhaust pressure in a compression ignition engine with variable geometry turbocharger and an EGR by adding the turbocharger RPM, the engine RPM, EGR value position...
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7610142 |
Sensor self-calibration system and method
A vehicle includes an engine, a booster, an exhaust gas sensor and a self-calibration arrangement for the exhaust gas sensor. When sensor calibration check is desired, a controlling unit opens a...
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7597016 |
Fuel deposit testing using burner-based exhaust flow simulation system
A method of using an exhaust flow simulation system to test the effects of exhaust system conditions on various materials. A typical exhaust flow simulator is a burner-based system, in which...
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7530263 |
Vehicle parasitic loss and drive line efficiency test fixture and method
A testing apparatus that is used for measuring a vehicle's parasitic loss and overall, loaded efficiency utilizes an external electric drive motor, as an input, connected to the engine crankshaft...
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7529616 |
Analysis of fuel combustion characteristics
Some embodiments of a system for determining combustion characteristics may be capable of automatically determining and displaying a plurality of combustion characteristics on a multiple-axis plot....
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7360408 |
Method for determining a fuel pressure related fault and operating an internal combustion engine based on the fault
The invention relates to a method for operating a combustion engine ( 1 ) comprising a fuel-driven heat engine ( 5 ), which permits a differentiation of faults during the supply of fuel. To this...
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7347087 |
Engine oil leak test system and method
A system and method for testing partially assembled engines for possible oil leaks. The system includes engine pressurizing devices that are automatically controlled by a controller according to a...
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7328100 |
Coil failure detection system for general-purpose engine
In a failure detection system of coils that produce outputs in response to rotation of a crankshaft of a general-purpose engine (including a power coil that produces an output indicative of the...
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7316156 |
Limited slip differential performance simulation procedure
A method of simulating a split μ axle test for limited slip differentials for automotive applications. The method includes treating a clutch pack for a limited slip differential in a lubricant...
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7287422 |
Way sensor arrangement for a mechanical component and method for mounting the same
A way sensor arrangement ( 2 ) for detecting the displacement of a mechanical component in relation to another component. The way sensor arrangement having a sensor housing ( 4 ) that is firmly...
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7194398 |
Method and apparatus for designing and developing a vehicular damper
An assembly 10 which allows a vehicular damper to be virtually created and evaluated. Particularly, the assembly 10 includes a torque producer 31 , a frequency filter generator 50 , and...
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7181379 |
Variable altitude simulator system for testing engines and vehicles
A method and system for controlling both the pressure and temperature at the engine air intake, engine crankcase, and at the engine exhaust so that pressure and temperature conditions are...
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7168307 |
Road test simulator with plural rollers
A road test simulator having four rollers, each provided with an uneven surface coating, and four asynchronous motors, each of which drives one of the rollers.
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7140874 |
Method and apparatus for testing catalytic converter durability
The present application relates in general to an apparatus and to methods for testing the performance of an automotive catalytic converter under conditions simulating those which occur in motor...
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7131319 |
Method and apparatus for testing a moving vehicle
An apparatus and method is provided for testing at least one performance characteristic of a vehicle.
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6993961 |
Road test simulator and method for synchronizing control of the road test simulator
A method for synchronizing control of a road test simulator and a road test simulator having four rollers ( 10, 20, 30, 40 ) and four asynchronous motors ( 12, 22, 32, 42 ). Each of the...
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6962074 |
Method for testing a stabilizing system of a motor vehicle by tilting and rotating the vehicle
A dynamic test fixture has a support frame ( 3 ) whose dimensions ( 31 ) in the direction of a transverse axis (y) are smaller than a distance between the wheels of a vehicle ( 8 ). Via a first...
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6931924 |
Method for testing the function of an electrohydraulically controlled automatic transmission
The method for testing the function of an electrohydraulically controlled automatic transmission upon a testing stand by simulation of a vehicle operation provides that the output shaft of the...
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6684688 |
Arrangement for simulating force effects on a wheel of a motor vehicle resulting during operation of the motor vehicle
An arrangement for simulating force effects of a vehicle wheel has a multi-part housing and a frame-shaped wheel adapter mounted on the housing and arranged in a vertical plane. The wheel adapter...
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6658924 |
Method for measuring dynamic characteristics of wheel of vehicle
A washer-type strain sensor, which generates an output representing a load acting thereon, is arranged between the vehicle body and the wheel. A dynamic load acting on the wheel is measured on the...
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6516287 |
Method and device for simulating the mass of motor vehicles placed on stationary test stands
The invention relates to a method and an apparatus for the mass simulation of vehicle masses on a stationary roller test stand, wherein the simulation mass (m sim ) is determined from the test...
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6481271 |
Method to correct vehicle vibration during an assembly process
A method of detecting and correcting vehicle vibration during an assembly process begins by connecting a vibration analyzer to a vehicle through an OBD-II connector. This allows the vibration...
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6442458 |
Method and apparatus for diagnosing a vehicle
A diagnostic apparatus for a vehicle can display diagnostic results and an indication of whether or not the diagnosis has been completed with a single display device. The diagnostic apparatus...
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6234011 |
Vehicle testing apparatus and method thereof
A simulation apparatus for simulating vehicle movement during actual running has a mock vehicle that is provided with a truck and a vibrator, and a numerical model that is virtually connected to...
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6079258 |
Method for analyzing the driving behavior of motor vehicles
A method for analyzing the driving behavior of motor vehicle wherein a car's driveability is measured easily on a test stand by conducting tests with an actual vehicle to obtain measurement...
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6044696 |
Apparatus for testing and evaluating the performance of an automobile
Apparatus for testing and evaluating the performance of an automobile under simulated conditions includes torque applicators for connection to wheel shafts of an automobile and for applying torque...
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5861552 |
Chassis dynamometer
A chassis dynamometer for testing motor vehicles in place includes a frame, at least one roll for engaging the wheel(s) driven by the vehicle engine and an eddy current brake/inertia unit in which...
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5780729 |
Fuel delivery system
A engine fuel delivery system for vehicles under test, which effectively its the quantity of fuel under pressurization at any given time during a test sequence of the vehicle's engine. The system...
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5777243 |
Adjustable vehicle simulator rig for chassis dynamometer testing
A vehicle simulator (20) for use in vehicle dynamometer and other types of testing for automotive vehicles. The simulator (20) is made up of a first portion and a second portion detachably...
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5693872 |
Method and apparatus for testing preconditioned vehicle exhaust emission
This invention provides a method and apparatus for testing preconditioned exhaust emissions of vehicles having internal combustion engines. The apparatus of the present invention comprises a test...
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5592372 |
Sealed housing evaporative determination testing apparatus and method
A computer controlled sealed housing evaporative determination (SHED) testing apparatus and method are provided for testing evaporative emissions for a motor vehicle. The SHED testing apparatus...
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5589629 |
Method and apparatus for testing vehicle exhaust emissions
This invention provides a method and apparatus for testing exhaust emissions of vehicles having internal combustion engines. The apparatus of the present invention comprises a test track over which...
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5533388 |
Apparatus for electromagnetically isolating an automobile
An electromagnetic compatibility simulating apparatus for an automobile including an electromagnetically shielded cell having a wall dividing the interior of the cell into a first chamber for the...
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5483823 |
Method and apparatus for inspecting various running control functions of a motorcar
A running control function of a motorcar is inspected on an inspecting apparatus which is provided with rolls for mounting thereon each of wheels of the motorcar. The control function operates to...
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5452605 |
Dynamometer for simulating the inertial and road load forces encountered by motor vehicles
A dynamometer for simulating the inertia and road load forces for motor vehicles is described. The dynamometer includes a moveable frame on which is mounted one or more rolls for engaging the...
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5415034 |
Robot for driving automobile on chassis dynamometer
The driving robot placed on the driver's seat can be easily and surely fixed. The supporting rod 4 is laid on the front side of the body 2 of the robot 1, connected with the end portions of the...
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5396792 |
Apparatus and method of controlling a robot to automatically simulate driving of a motorcar
A method and apparatus for controlling a robot to simulate driving of a motor vehicle while the vehicle is actually on a chassis dynamometer includes provision for quickly, automatically, and...
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5394743 |
Method and apparatus for controlling a robot to simulate driving of a motorcar
A method of controlling a robot for testing of a motorcar by the simulated driving thereof, as on a chassis dynamometer. The robot is capable of detecting shifted operating quantities of actuators...
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5385042 |
Dynamometer and method for simulating vehicle road load and/or inertial forces while providing compensation for the parasitic losses of the dynamometer
A dynamometer for testing engine powered vehicles including an induction motor coupled directly to the vehicle engine or the driven wheels thereof. A computer in response to the engine or wheel...
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5372035 |
Robot for driving an automobile on a chassis dynamometer
A robot for driving a vehicle safely stops the vehicle's engine even in the event of an accident such as an electric power failure or operating error. A robot body is provided with an ignition...
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5323644 |
Traction control road simulator
A traction control road simulator (10) is disclosed as having a separate electric motor (12) for controllably applying torque to each axle (14) of a vehicle (16), a speed sensor (46) for...
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5307290 |
System for the automatic testing, preferably on a bench, of electronic control systems which are intended to be fitted in vehicles
The system includes apparatus for generating stimulation signals for application to the device being tested. The device being tested is typically an electronic control unit for an automotive...
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5241854 |
Testing apparatus for bench testing vehicular driving performance
A bench testing apparatus for an automotive vehicle, comprises a rotary belt assembly including a pair of rotary drums arranged in parallel and spaced apart relationship to each other, a metallic...
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5241856 |
Flexible web tire loading on tire coupled road simulators
A road simulator for testing components of automobiles using a wheel assembly, including a tire that is to be loaded by simulation of actual road forces. A low mass flexible web harness is placed...
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5142903 |
Driving power source unit for automotive power transmisson testing apparatus employing motor
An step-up gear unit is adapted for realization of an automotive internal combustion engine simulated driving power supply in use with motor such as an electric motor, a hydraulic motor and so...
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5111685 |
Roadway simulator restraint
A roadway simulator restraint system supports a vehicle at each of its wheels on simulated roadways which comprise endless belts suitably driven to cause wheel rotation. A plurality of passive...
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5101660 |
Method and apparatus for enabling two or four wheel drive vehicles to be tested under simulated road conditions
A dynamometer apparatus and a method for testing two and four wheel drive vehicles under simulated road conditions is described. The apparatus includes a front roll and a rear roll for engaging the...
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5083453 |
Linkage for vehicle simulator
A vehicle spindle test fixture that permits applying a brake load torque to the spindle or test unit has a loading actuator that will permit high input force levels, while keeping the coupled mass...
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