CENTRIFUGAL FAN HAVING REMOVABLE BLADE SECTION
United States Patent 3426965

Inventors:
Kulling, Gerald J.
Publication Date:
02/11/1969
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Assignee:
AMERICAN STANDARD INC
Primary Class:
416/224
Other Classes:
417/423.140, 415/98, 416/214R
International Classes:
F04D29/28; F04D17/16; F04D29/30
US Patent References:
1985705Fan blade
2006340Hydraulic machine
2225779Aircraft wing construction
3093219Plural-section airfoils
Foreign References:
FR1139152A




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