Rotary kinetic fluid motors or pumps – Runner with annular blade rows or fluid channels spaced on...
Patent
1980-07-23
1982-11-30
Casaregola, Louis J.
Rotary kinetic fluid motors or pumps
Runner with annular blade rows or fluid channels spaced on...
415121B, 366304, F04B 108
Patent
active
043614140
ABSTRACT:
The invention relates to an equipment for the delivery of slurries and for their refinement during delivery, which has a housing provided with axial inlet opening and tangential discharge opening, furthermore a disc-shaped stationary part in the housing with a concentric opening adjoining the inlet opening, and disc-shaped rotary part arranged opposite the stationary part. Rods are concentrically arranged according to the invention alternately on the stationary part and rotary part in such a way, that the rods of the stationary part point toward the rotary part, and the rods of the rotary part point toward the stationary part, and the rotary part has a jacket surrounding the rods arranged along the largest diameter circle of the stationary part, said jacket being perforated with holes in radial direction. The rod-lines of the stationary and rotary part, as well as the jacket of the rotary part and their holes bring about an intensive turbulence, resulting partly in powerful impact and friction between the solid particles of the slurry and partly in cavitation, which initiate the explosive disintegration of the particles. At the same time the refined slurry arriving at the discharge opening, has a high exit velocity, whereby the lift of the machine is unusually high.
REFERENCES:
patent: 2606502 (1952-08-01), Carlson
patent: 2639901 (1953-05-01), Teale
patent: 4011027 (1977-03-01), Selder
patent: 4201487 (1980-05-01), Backhaus
S. P. Hutton et al., "The Damage Capacity of Some Cavitating Flows", pp. 427-438.
A. Koutny, "Cavitation Erosion Resistance of Materials in Laboratory and Operating Conditions", pp. 451-511.
G. Y. Sebestyen et al., "Determination of the Intensity of Cavitation Erosion", pp. 957-966.
M. Yamamasu et al., "Large Bubble Cavitation in Radial Blade Impellers", pp. 1233-1244.
Barna Laszlo
Bognar Tibor
Nemes Sandor
Solymos Karoly
Szigetvari Jozsef
Banyaszati Kutato Intezet
Casaregola Louis J.
Tatabanyai Szenbanyak
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