Measuring and testing – Rotor unbalance – Dynamic
Patent
1981-02-20
1984-03-13
Goldstein, Herbert
Measuring and testing
Rotor unbalance
Dynamic
G01M 122
Patent
active
044359829
ABSTRACT:
A machine and method for balancing wheels is disclosed whereby the wheel is affixed to and spun on a rotatable shaft to an initial velocity, the drive unit is decoupled and the forces of unbalance are measured during the first full revolution of the shaft after it reaches a predetermined measuring velocity. The initial velocity is selected as the lowest of a plurality of velocities which will yield a time from decoupling to measuring of unbalance of at least 2 seconds. Automatically activated drive and brake mechanisms are also disclosed as is a system of unbalance sensor arrangement having two movable sensors linked to one another at a fixed distance.
REFERENCES:
patent: 2383405 (1945-08-01), Merrill et al.
patent: 3076342 (1963-02-01), Hilgers
patent: 3910121 (1975-10-01), Curchod et al.
patent: 4085619 (1978-04-01), Shapiro
patent: 4193305 (1980-03-01), Hunter
Borner Willy
Jackson Bernie F.
Balco Inc.
Goldstein Herbert
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