Methods and apparatus for balancing ceiling fan blades to improv

Details Methods and apparatus for balancing ceiling fan blades to improv Methods and apparatus for balancing ceiling fan blades to improv

1980-04-25

1981-12-15

Gill, James J.

Measuring and testing

Rotor unbalance

Propeller, impeller, or fluid coupling

73456, G01M 114

Patent

active

043052924

ABSTRACT:
Method and apparatus for use in balancing the blades of ceiling fans, wherein the pitch angles of the blades and the dihedral angles of the blades are measured and corrected, if necessary, by use of a beam of light reflected from a mirror temporarily flushly affixed to each blade, and wherein indexes are provided for measuring and correcting, if necessary, the circular angularities between the blades. Blades may be tested both individually or in sets connected to a hub.

REFERENCES:
patent: 2552739 (1951-05-01), Roberts
patent: 4053123 (1977-10-01), Chadwick

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