Apparatus for determining the amount and location of unbalance i

Details Apparatus for determining the amount and location of unbalance i Apparatus for determining the amount and location of unbalance i

1976-05-17

1978-08-29

Gill, James J.

Measuring and testing

Rotor unbalance

In situ

G01M 128

Patent

active

041095324

ABSTRACT:
An apparatus for determining the amount and location of unbalance in a rotating wheel of a vehicle, of the type effecting the determination of balancing with the wheels mounted on the vehicle comprising a mechanical pulse detecting means effective, when suitably positioned close to a rotating unbalanced wheel, to receive a mechanical pulse at each revolution thereof and effective to convert said mechanical pulse into a corresponding unbalance electrical pulse, an unbalance indicating means circuit connected to the detector means to receive therefrom, at each revolution of the wheel, the unbalance electrical pulse. The indicating means is effective to store the electrical pulse from the detector means corresponding to the maximum unbalance of the wheel. An unbalance position detecting means is provided to receive therefrom, through control circuit means, unbalance electrical pulses corresponding to the mechanical pulses and adapted to be activated by the electrical pulses and to cooperate operatively with the unbalance indicating means to display the location of the unbalance in the wheel. The apparatus further comprises unbalance location indicating means adapted to be removably associated with the wheel and to cooperate with the activated unbalance location detecting means and with the unbalance indicating means, thereby determining the location of the unbalance in the wheel, and display means effective to display the precise location of the unbalance in the wheel as indicated by the unbalance location indicating means.

REFERENCES:
patent: 2341444 (1944-02-01), Hunter
patent: 2344349 (1944-03-01), Forster
patent: 2695516 (1954-11-01), Petroff
patent: 2882034 (1959-04-01), Wuerth
patent: 3078720 (1963-02-01), Hofmann
patent: 3678761 (1972-07-01), Blackburn
patent: 3729996 (1973-05-01), Metz
patent: 3732737 (1973-05-01), Forster

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