Blower blade for electric motors

Details Blower blade for electric motors Blower blade for electric motors

1975-01-03

1976-01-13

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Laminated, embedded member or encased material

416241A, F04D 2928

Patent

active

039320626

ABSTRACT:
An improved blower blade for electric motors is disclosed. The blower blade comprises from about 50 to about 75% polypropylene, from about 5 to about 10% glass fibers and from about 15 to about 45% inert filler.

REFERENCES:
patent: 3033293 (1962-05-01), Bihlmire
patent: 3245476 (1966-04-01), Rodwick
patent: 3306588 (1967-02-01), Reid
patent: 3408944 (1968-11-01), Belonger et al.
patent: 3706511 (1972-12-01), Abbott

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