River turbine

Details River turbine River turbine

1975-10-15

1976-10-19

Raduazo, Henry F.

Rotary kinetic fluid motors or pumps

Float supported or buoyant runner

415DIG1, 290 54, 415148, 415121G, F01D 2528

Patent

active

039867870

ABSTRACT:
A turbine wheel on a horizontal shaft is coaxially mounted within a primary nozzle, for support in a river current below a platform carrying electrical power generation equipment. The turbine shaft and primary nozzle are submerged and oriented to enable flow of a portion of river current through the nozzle and past the turbine wheel.
The external surface of the nozzle is shaped and has structure to accelerate and/or direct the flow of the adjacent surrounding maintstream river current in a manner to generate a sheath which aids the efflux of that portion of the river current which has passed through the turbine. Part of the said structure is a secondary nozzle surrounding the primary nozzle; the secondary nozzle is arranged to accentuate the control of the surrounding mainstream river current. Bearing means, support means, power take-off means, speed control means and blade shapes are disclosed.

REFERENCES:
patent: 61362 (1867-01-01), Rowe
patent: 328593 (1885-10-01), Main
patent: 507294 (1893-10-01), Vance
patent: 1123491 (1915-01-01), Corbin
patent: 1147658 (1915-07-01), Stokes
patent: 1312021 (1919-08-01), Dickinson
patent: 1396609 (1921-11-01), Weisenborn
patent: 1420665 (1922-06-01), Newcombe
patent: 1790969 (1931-02-01), Bray
patent: 1903545 (1933-04-01), Hampton
patent: 2278178 (1942-03-01), Lannert
patent: 2689680 (1954-09-01), Lovesey
patent: 3196598 (1965-07-01), Olson
patent: 3620640 (1971-11-01), Lariviere
patent: 3680977 (1972-08-01), Rabouyt

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