Inflatable fan housing

Details Inflatable fan housing Inflatable fan housing

1979-01-22

1980-06-10

Smith, Leonard E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Specific casing or vane material

415219A, F04D 2944

Patent

active

042070252

ABSTRACT:
An inflatable spiral or snail shell shaped fan housing comprised of flexible surface supported by a rigid housing back wall and by an impeller shroud attached to that back wall, is described herein.

REFERENCES:
patent: 2382839 (1945-08-01), Wuensch
patent: 2672821 (1954-03-01), Montgomery
patent: 2759428 (1956-08-01), Kirby
patent: 2973716 (1961-03-01), Thomas
patent: 3018736 (1962-01-01), Clay
patent: 3115099 (1963-12-01), Clay
patent: 3146722 (1964-09-01), Warman
patent: 3381617 (1968-05-01), Wright
patent: 3607600 (1971-09-01), Schreter et al.
patent: 3990808 (1976-11-01), Isaacson

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