Roller type chassis dynamometer

Details Roller type chassis dynamometer Roller type chassis dynamometer

1976-10-19

1978-03-07

Myracle, Jerry W.

Measuring and testing

Vehicle chassis

Steering

G01L 513

Patent

active

040772551

ABSTRACT:
A roller type chassis dynamometer includes: a hollow roller to be driven by a material to be inspected; a rotatable shaft having its axis extending in concentric alignment with the axis of the hollow roller and having its outer peripheral surface which defines an annular space therearound with the inner peripheral surface of the hollow roller; a power absorbing means positioned within the annular space and secured on said rotatable shaft, the power absorbing means absorbing a power to be transmitted to the roller; and detecting means associated with the rotatable shaft for detecting a power absorbed in the power absorbing means, the power absorbing means having an exciting coil provided with a lead wire running through an axial bore extending through the rotatable shaft, to the exterior of the dynamometer, to be connected to a power source, whereby the exciting coil may produce a given braking torque by controlling an electric current to be supplied thereto, commensurate with the actual condition of a material being inspected, and then the torque thus produced is directly measured by the detecting means.

REFERENCES:
patent: 2973640 (1961-03-01), Diesfeld

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