Title:
Impeller for axial flow fans
United States Patent 2811303


Inventors:
Ault, James R.
Jenkins, Chester P.
Application Number:
US37560453A
Publication Date:
10/29/1957
Filing Date:
08/21/1953
Assignee:
JOY MFG CO
Primary Class:
Other Classes:
415/142, 415/915, 416/244R
International Classes:
F04D29/32
View Patent Images:
US Patent References:
2488945Fan and motor support1949-11-22
2427032Fan and motor housing1947-09-09