Buoyancy operated Sunmill

Details Buoyancy operated Sunmill Buoyancy operated Sunmill

1977-11-23

1979-02-27

Ostrager, Allen M.

Power plants

Utilizing natural heat

Geothermal

60496, F03G 702

Patent

active

041412184

ABSTRACT:
A sun-powered engine converts the heat of the sun's rays into mechanical energy which can be used to power a generator or other mechanism having a rotating shaft. The engine, called the "Sunmill" by its inventor, uses heat expanded trapped bubbles to provide buoyancy to vanes contained within a sealed drum thereby causing the drum to rotate. A shaft attached to the axis of the drum is used to transfer power to other devices, such as an electric generator.

REFERENCES:
patent: 3715885 (1973-02-01), Schur
patent: 4028893 (1977-06-01), Shaw

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