Fan assembly with blades secured between two hub members

Details Fan assembly with blades secured between two hub members Fan assembly with blades secured between two hub members

1974-05-02

1977-01-18

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Adjustable

416214R, 416241A, F04D 2934

Patent

active

040036774

ABSTRACT:
A fan comprises a flat disc sandwiched between two hub members, together with two or more blades, ech blade having a boss with a slit so that the boss straddles the peripheral portion of the disc and is gripped by the hub members. Fans can readily be assembled with any required number of blades and the blades can be set at any required angle by cutting the slits at the appropriate angle.

REFERENCES:
patent: 735905 (1903-08-01), Pinkert
patent: 2382535 (1945-08-01), Bauer
patent: 3056581 (1962-10-01), Castle et al.
patent: 3161239 (1964-12-01), Andersen
patent: 3388749 (1968-06-01), Woods et al.
patent: 3545885 (1970-12-01), Killam
patent: 3687569 (1972-08-01), Klompas
patent: 3698837 (1972-10-01), Marcellin
patent: 3801221 (1974-04-01), Zlotek

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