Portable roller dynamometer and vehicle testing method

Details Portable roller dynamometer and vehicle testing method Portable roller dynamometer and vehicle testing method

G - Physics

01

M

G01M 17/00 (2006.01) G01L 5/13 (2006.01) G01M 17/06 (2006.01)

Patent

CA 2238624

A roller dynamometer is provided, having at least one supporting carriage having a rotatable roller and a dynamometer linked to the roller for measuring torque output of a vehicle. The carriages are rollable on a substrate for positioning under a vehicle. In one aspect, multiple dynamometer and roller units are provided, for engagement with multiple vehicle wheels, with the units being linked electronically for common control by a control unit that simulates either straight line or curved driving conditions. In a further aspect, the dynamometer is supported on the carriage by a rotary mount. In a further aspect, the rollers have a generally hourglass shape to permit vehicle wheel self-centering.

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