Impeller with center intake
United States Patent 2658455
US Patent References:
/0445919.html
- - 0445919

/0564897.html
- - 0564897

/1175162.html
- - 1175162

Centrifugal pump or blower
- - 1503776

Fan wheel
- - 1877347


Inventors:
Seinfeld, Ludwik R.
Publication Date:
11/10/1953
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Assignee:
LAVAL STEAM TURBINE CO
Primary Class:
416/181
Other Classes:
415/106, 416/193R, 416/186R
International Classes:
F04D29/22; F04D29/18
US Patent References:
1904054Hydraulic coupling
2425171Dynamometer
Foreign References:
GB191128980A