Rotary kinetic fluid motors or pumps – Smooth runner surface for working fluid frictional contact
Reexamination Certificate
2007-03-20
2007-03-20
Nguyen, Ninh H. (Department: 3745)
Rotary kinetic fluid motors or pumps
Smooth runner surface for working fluid frictional contact
C415S226000, C415S206000, C416S19800R
Reexamination Certificate
active
11030467
ABSTRACT:
Turbo-machinery and methods are disclosed for a bladeless conical radial turbine wherein fluid is directed axially within the pump body to produce an axial output. The rotor comprises a plurality of spaced apart conical elements. A plurality of spiraling flow paths may be provided to receive fluid to which fluid has been imparted by acceleration of the fluid through the spaces between the conical elements using boundary layer adhesion techniques. The fluid is smoothly directed to any number of subsequent boundary layer pumping stages which are axially positioned with respect to each other.
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PCT International Search Report and Written Opinion for International Application No. PCT/US2005/02398, date of mailing—Oct. 20, 2006.
Draper David R.
Grande, III Salvatore F.
Nash Kenneth L.
Nguyen Ninh H.
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