Apparatus for measuring imbalance of rotors
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United States of America Patent
Stats
-
Dec 4, 1990
Grant Date -
N/A
app pub date -
Sep 8, 1988
filing date -
Sep 8, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for measuring imbalance of rotors, in particular motor vehicle wheels, having a primary shaft driven by an electric motor. The rotor to be tested is secured to the primary shaft with the aid of a clamping device, which transmits the drive torque transmitted to the primary shaft to the rotor by means of friction. The apparatus includes a time-controlled brake, which when the electric motor is switched on reduces the drive torque in a time-controlled manner until the rush moment fades. As a result, loosening of the clamping device is prevented and a gentle start is assured.
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