Fan blade attachment for fan motor

Details Fan blade attachment for fan motor Fan blade attachment for fan motor

1977-09-19

1980-04-08

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Ambient fluid or exhaust gas directed through hub, fairing...

416135, 416214R, F04D 2934

Patent

active

041970543

ABSTRACT:
A fan blade is attached to the shaft of an induction motor by means of a spring clip seated in a groove in the shaft resiliently and frictionally clamping the fan blade against a flat surface of a member secured to the shaft, such as the rotor end ring, thereby providing a perpendicular relationship between the fan blade and shaft and, when the end ring is used, abstracting heat from the rotor.

REFERENCES:
patent: 1057282 (1913-03-01), Schaeffer
patent: 2410832 (1946-11-01), McLean
patent: 2497804 (1950-02-01), Stearns
patent: 2653459 (1953-09-01), Morrill
patent: 2742223 (1956-04-01), Font
patent: 2819703 (1958-01-01), Suttle
patent: 2906349 (1959-09-01), Hans et al.
patent: 3002365 (1961-10-01), Liljequist
patent: 3367687 (1968-02-01), Jenkins
patent: 3468565 (1969-09-01), Roder

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