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| Number | Title | Issue Date |
| 7313951 | Brake pedal positioning apparatus and method A pedal positioning apparatus has a ratcheting assembly that includes a handle, a shaft, an attachment arm that extends from the handle and at least one trigger. The pedal positioning apparatus also includes a lever arm having a first end and a second end. The lever... | 01/01/2008 |
| 7254995 | Control methodology for a multi-axial wheel fatigue system A testing system and a method for obtaining drive files for the testing system for wheel rim testing, includes providing a wheel assembly in contact with a drum surface, the wheel assembly being rotatable about an axis defining a lateral axis, and wherein a vertical... | 08/14/2007 |
| 7213449 | Flat track chassis dynamometer A chassis dynamometer for use with a test vehicle such as a snowmobile is provided. First and second spaced apart rolls support the test vehicle. A belt is arranged around the first and second rolls and rotationally couples the rolls to one another. The belt include... | 05/08/2007 |
| 7203602 | Method for operating a roller test bench and roller test bench A method and an apparatus for operating a test bench, e.g. a roller test bench, for carrying out simulation drives of a vehicle placed on the test bench. At least one vehicle wheel contacts at least one roller of the roller test bench. To determine the roller setpoi... | 04/10/2007 |
| 7194900 | Collision reaction force measurement apparatus A collision reaction force measurement apparatus has a collision surface receiving a collision of a portable electronic device and a measurement part measuring a collision reaction force occurring when the portable electronic device makes the collision against the c... | 03/27/2007 |
| 6622550 | Drum braking system for rolling wheel testing apparatus An apparatus and method of operating a rolling wheel testing apparatus includes driving a tire and wheel assembly about an axis of rotation with a tire in rolling contact with a rotatable drum. Torque is sensed about the axis of rotation and rotation of t... | 09/23/2003 |
| 6505503 | Stationary drag racing simulation system The vehicle drag racing simulation system includes a drag racing simulation area typically for a plurality of vehicles, such as a flatbed of a truck. A restraining assembly is provided for rigidly securing the vehicles to the platform in a generally uprig... | 01/14/2003 |
| 5663494 | 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 the brake rotor is attached to one end of the roll to form... | 09/02/1997 |
| 5621168 | Simulator for testing an ABS modulator A simulator for testing an Anti-lock braking system modulator capable of easily setting the yawing of a vehicle and disproportionate concentration of a vehicle weight according to the various vehicle weights and diverse road surface conditions has wheels ... | 04/15/1997 |
| 5467646 | Process and device for controlling the braking of four-wheel drive vehicles Process and device for controlling the braking of a brake bench of a wheeled vehicle having plural interconnected drive shafts, each shaft having a differential. One wheel on a shaft is driven in the forward direction and the other wheel on the same shaft... | 11/21/1995 |
| 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 links are provided for restraining the vehicle in longitudinal... | 05/12/1992 |
| 4986114 | Test apparatus for motor vehicles, especially brake test stand for vehicles with antiskid brake systems The invention deals with a traveling or driving simulator and especially a rake test stand for vehicles with antiskid brake systems, with drive rollers assigned to the vehicle wheels to be tested and slippage members, with adjustable slippage characteristi... | 01/22/1991 |
| 4928519 | Brake testing apparatus The invention is a system for measuring the braking force of a vehicle, whereby a wheel of a vehicle is supported by a pair of spaced rollers having axes that are generally parallel with the axis of the wheel. At least one of the rollers is driven at a co... | 05/29/1990 |
| 4893242 | Vehicle brake test system A brake test method measures the brake force per axle of a vehicle by having an operator linearly depress the vehicle brake pedal while the axle's left and right wheels positioned on torque motor driven, constant speed rollers. The roller drive torque mag... | 01/09/1990 |
| 4862737 | Roadway loading simulator A vehicle restraint system for testing vehicles has vehicle restraint linkages which couple to a vehicle mounted on a simulated roadway to provide restraint in selected axes and to permit freedom of movement in other axes in a manner that permits the auto... | 09/05/1989 |
| 4831868 | Method for establishing link between vehicle-mounted electronic control unit and testing device A vehicle-mounted electronic control unit such as an anti-lock brake control unit is connected to a testing device through two serial transmission lines for testing. Upon startup of the control unit, signals are exchanged therebetween. Only if the signal ... | 05/23/1989 |
| 4750354 | Method and apparatus for testing of brakes on a brake test rig for motor vehicles A method is described for testing brakes on brake test stands or rigs for motor vehicles with a plurality of motor-driven axles, wherein the axle of the brake to be tested is not de-couplable. Both wheels of this axle stand on rollers or the like on the r... | 06/14/1988 |
| 4577497 | Dynamometers A dynamometer comprises a drum mounted for rotation and driven by a drive motor, a test body coupled to the drum for rotation therewith in a fixed velocity relationship, a sensor apparatus for deriving the energy absorbed or dissipated by the test body, a... | 03/25/1986 |
| 4520444 | Apparatus for measuring braking actions of an automotive vehicle Apparatus for measuring braking actions of an automotive vehicle wherein the braking power is measured between the ground and a braked wheel of the automotive vehicle, and wherein data required for identification of the automotive vehicle are recorded, th... | 05/28/1985 |
| 4185495 | Brake testing apparatus A brake testing apparatus comprises at least one pair of motor-driven rollers on which a wheel having a brake to be tested is mounted. A leaf spring is attached at one end to the motor stator and its free end is held between opposed abutments so that when... | 01/29/1980 |
| 4050299 | Brake testing method A method and apparatus is disclosed for dynamically testing the operation of a vehicle anti-skid brake system of the kind which has first and second sensors associated with first and second vehicle wheels and which operates, when the brakes are being appl... | 09/27/1977 |
| 3995475 | Computer type brake analyzer with automatically controlled brake actuator An apparatus for analyzing the performance of wheeled, land vehicle brake systems is described wherein means are provided for driving the vehicle wheels at a predetermined speed and the operator or computer controlled brake actuator selectively applies th... | 12/07/1976 |
| 3982428 | Grooved wheel-contact rollers for vehicle testing apparatus Wheel-contact rollers for a vehicle test-bed have helical grooves formed in their outer surfaces to improve start-up friction by providing fast removal of water and other foreign materials from tire surfaces. The grooves are preferably formed by a thread-... | 09/28/1976 |
| 3982429 | Computer type brake analyzer An apparatus for analyzing the performance of wheeled, land vehicle brake systems is described wherein means are provided for driving the vehicle wheels at a predetermined speed and the operator or computer controlled brake actuator selectively applies th... | 09/28/1976 |
| 3979950 | Brake testing method A method for dynamically testing the operation of a vehicle anti-skid brake system and for making a record thereof includes engaging a wheel of the vehicle with a rapidly rotating roller or the like and accurately measuring and recording changes in an app... | 09/14/1976 |
| 3977243 | Testing machine for tires on imitation roads A testing machine for a tire on an imitation road in which a tire to be tested is urged against a crawler with the aid of a cantilever arm connected through a crosshead to a lifting and lowering disc engaged with screw threaded rods rotatably mounted in a... | 08/31/1976 |
| 3974688 | Computer type brake analyzer An apparatus for analyzing the performance of wheeled, land vehicle brake systems is described wherein means are provided for driving the vehicle wheels at a predetermined speed and the operator or computer controlled brake actuator selectively applies th... | 08/17/1976 |
| 3974687 | Rate control system for a brake testing apparatus A rate control system is disclosed for use in a brake testing apparatus which applies an automatically controlld force to the vehicle braking system being tested. The rate control system varies the rate of flow of hydraulic fluid displaced as the brake pe... | 08/17/1976 |
| 3965732 | Computer type brake analyzer An apparatus for analyzing the performance of wheeled, land vehicle brake systems is described wherein means are provided for driving the vehicle wheels at a predetermined speed and the operator or computer controlled brake actuator selectively applies th... | 06/29/1976 |
| 3965731 | Roller brake tester A roller type brake testing device is disclosed which incudes two pairs of cradling rollers for supporting and applying a driving torque to two wheels of a vehicle such as an automobile. The testing device includes a pneumatic lift mechanism for selective... | 06/29/1976 |
