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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||73/1173 ; 73/133R|
|발명자 / 주소|
|인용정보||피인용 횟수 : 8 인용 특허 : 0|
An improved testing device for operating a wheeled automotive vehicle under power while it is standing still. This type of operation is desired in such endeavors as service diagnosis, measurement of exhaust emissions, and laboratory testing. In this device, power is absorbed by friction between the vehicle\s driving wheels and a stationary portion of the testing device. Overheating of the tire is prevented by interposing a fluid such as water or air at the juncture of the tire and the power-absorber, or otherwise cooling the power-absorber surface. Vehic...
A testing device for wheeled automotive vehicles comprising: first support means for engaging and restraining nonrotating elements of a vehicle, such as axle, nondriving wheel, and frame members; nonrotating second support means for slidably engaging the tread surface of said vehicle\s driving tires; means for interposing a fluid between said second support means and said tires; means for measuring force between said first and second support means.