Measuring and testing – Rotor unbalance – Dynamic
Patent
1974-09-05
1976-08-17
Gill, James J.
Measuring and testing
Rotor unbalance
Dynamic
74573R, 416144, G01M 132, F04D 2966
Patent
active
039747000
ABSTRACT:
Disclosed is a technique and apparatus for dynamically balancing rotating members without the necessity of dismantling the same. A horizontally mounted fan is disclosed having passageways in the shaft thereof leading to receptacles within the fan blades themselves wherein weights may be deposited by means of the centrifugal force of the rotating fan. Further means are presented wherein access may be made to weight receptacles of a sealed fan system by means of a weight depositing probe which is operative to make engagement with the various weight receptacles. Yet another embodiment utilizes tubular passageways mounted externally to the rotational shaft of a horizontal system to make engagement with weight receptacles positioned about the rotating system. Also disclosed is a unique slide rule particularly adapted to appropriately divide a requisite balancing weight into components for the various weight receiving receptacles available.
REFERENCES:
patent: 861463 (1907-07-01), Hyde
patent: 1554014 (1925-09-01), MacFarland
patent: 1603076 (1926-10-01), Hanson
patent: 2085769 (1937-07-01), Scott
patent: 2722830 (1955-11-01), Federn et al.
patent: 2963914 (1960-12-01), Dupovy
patent: 3508843 (1970-04-01), Schmidt
patent: 3782202 (1974-01-01), Anderson et al.
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