Turbine

Details Turbine Turbine

1980-09-17

1983-05-31

Ostrager, Allen M.

Power plants

Pressure fluid source and motor

Utilizing natural energy or having a geographic feature

60502, F03B 1312

Patent

active

043854923

ABSTRACT:
This invention relates to turbines which are arranged to be driven by an oscillating flow of working fluid especially by movement of air above a naturally moving body of water. Conventional turbines require four valves to direct an oscillating flow of fluid to cause continuous unidirectional turning of a single rotor.
According to this invention a turbine having two spaced arrays of rotor blades (10, 11) mounted on a common shaft (3), a common passage (1) for working fluid communicating with the space between the rotor blades, an inlet (17) for the working fluid to said space and passage through one array of rotor blades (10), an outlet (18) from the space and passage through the other array of rotor blades (11), an inlet valve (12) substantially preventing working fluid from passing from said space between said one array of rotor blades (10) and an outlet valve (13) substantially preventing working fluid from passing into said space through said other array of rotor blades (11), the blades being arranged so that working fluid passing into and out of said space drives the rotors (4, 5) in the same direction.
The inlet and outlet valves preferably comprise arrays of movable stator blades.

REFERENCES:
patent: 1267936 (1918-05-01), Tuch
patent: 3214915 (1965-11-01), Weibel
patent: 3925986 (1975-12-01), Barwick

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