Rotary kinetic fluid motors or pumps – Smooth runner surface for working fluid frictional contact
Patent
1978-12-20
1981-07-28
Casaregola, Louis J.
Rotary kinetic fluid motors or pumps
Smooth runner surface for working fluid frictional contact
415154, 415202, F01D 136
Patent
active
042807913
ABSTRACT:
An improved fluid propulsion apparatus of the type which includes a housing, a plurality of spaced apart discs rotatably mounted on a shaft and positioned within the housing, and a plurality of fluid inlet and outlet ports all in communication with the interior of the housing. The housing includes a circumferential peripheral zone defined as the region between the interior of the housing and the periphery of the discs. The apparatus may be utilized as a pump or as a turbine. During operation as a pump, the shaft and discs are rotated and fluid is introduced into the housing at a port at the center of the housing, flows in an outwardly spiralling path between the discs within the housing, and flows into the peripheral zone from where it is removed through one of several ports at the periphery of the housing. The ports at the periphery of the housing are positioned such that the apparatus may be utilized as a pump with the discs and shaft rotated in either a clockwise or a counter-clockwise direction. When the apparatus is utilized as a turbine, fluid is injected into the peripheral zone through a port at the periphery of the housing and flows in an inwardly spiralling path thus causing rotation of the discs and shaft, and the fluid then exits the housing from a port adjacent the shaft. Again, the positional relationship of the ports at the periphery of the housing permits the injection of the fluid to rotate the discs and shaft in either the clockwise or counter-clockwise direction.
The ports at the periphery of the housing may be pitot-like flow paths bored in a pitot block which is removably secured to the housing to provide versatility of fluid flow characteristics.
REFERENCES:
patent: 1383937 (1921-07-01), Guthrie
patent: 1402053 (1922-01-01), Dake
patent: 4025225 (1977-05-01), Durant
patent: 4218176 (1980-08-01), Gawne
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