Measuring and testing – Rotor unbalance – Dynamic
Patent
1982-09-23
1984-05-01
Gill, James J.
Measuring and testing
Rotor unbalance
Dynamic
73477, G01M 102
Patent
active
044453736
ABSTRACT:
A balancing machine and support structure usable therewith for measuring unbalance in a rotor. Each support structure of the balancing machine has a pedestal, a yoke, and springs interconnecting the yoke and pedestal. A pair of round springs are positioned between confronting surfaces of the yoke and pedestal. A pair of flat springs are connected to one of the yoke pedestal and are selectively engagable with the other of the yoke and pedestal. A connecting plate is provided to interconnect the yokes of two structures to each other when the flat springs are disengaged. The connecting plate is removed when the flat springs are engaged. As a result, the balancing machine can be used in a first configuration to measure unbalance in a rotor having a bearing prepositioned on a shaft of the rotor and can be used in a second configuration to measure unbalance in a conventional rotor not having a bearing prepositioned on a shaft.
REFERENCES:
patent: 2722465 (1955-11-01), Ellis
patent: 3159435 (1964-12-01), Schlick
patent: 3182511 (1965-05-01), Federn et al.
patent: 4162633 (1979-07-01), Muller
American Hofmann Corporation
Gill James J.
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