Measuring and testing – Rotor unbalance – Dynamic
Patent
1986-09-11
1988-07-26
Chapman, John
Measuring and testing
Rotor unbalance
Dynamic
G01M 122
Patent
active
047592176
ABSTRACT:
The wheel (3) to be balanced is mounted on a rotatable shaft carried by two spaced bearings (6, 4) provided with force sensors ( 8, 10). Two standard weights are mounted on the wheel rim at two points spaced angularly apart. The sensors (8, 10) signal the forces exerted on the bearings by the rotation of the wheel equipped with said weights. The weights are then removed and a new measurement ofthe forces exerted on the bearings is made. The values and the positions of the correcting weights to be placed on the wheel are then determined from the characteristic relationship of the wheel-apparatus assembly obtained by comparison of the results of these two measurements.
REFERENCES:
patent: 3272015 (1966-09-01), Behm
patent: 4494400 (1985-01-01), Hill
patent: 4655080 (1987-04-01), Ongaro
Patent Abstracts of Japan, vol. 7, No. 117 (P-198)[1262], May 21, 1983.
Brihier Gerard C.
Hennes Jacques M.
Renaud Luc
Chapman John
Facom
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