Rotary kinetic fluid motors or pumps – With means for re-entry of working fluid to blade set – Cross flow runner
Patent
1975-11-28
1977-03-15
Raduazo, Henry F.
Rotary kinetic fluid motors or pumps
With means for re-entry of working fluid to blade set
Cross flow runner
415 80, F04D 500
Patent
active
040121640
ABSTRACT:
A method and apparatus for generating power and for pumping fluids, wherein a free vortex cavity, within a rotating rotor, is used to pressurize a fluid after which the fluid may be used as a pressurized fluid or be used to generate power. The working fluid is injected into the free vortex cavity through feed nozzles oriented to discharge the working fluid forwardly in the direction of rotation, so that the working fluid rotational speed is normally, at least in part of the cavity, greater than the rotational speed of the rotor. The working fluid is pressurized within the vortex cavity by being forced to follow a curved path. Part of the working fluid is taken near the periphery of the curved passage, and recirculated through nozzles located toward the rotor center from the periphery thus providing additional fluid flow within the free vortex cavity and improving the rotor performance. The recirculation passages may be either radial, or be curved, and the recirculation nozzles are arranged to discharge the recirculation fluid forwardly. Fluids used as the working fluid may be liquids or gases. The rotor is provided with a shaft, and is rotatably mounted.
REFERENCES:
patent: 3751178 (1973-08-01), Paugh
patent: 3761195 (1973-09-01), Eskeli
patent: 3869220 (1975-03-01), Tayler
patent: 3879152 (1975-04-01), Eskeli
patent: 3939661 (1976-02-01), Eskeli
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