Convection powered solar engine

Details Convection powered solar engine Convection powered solar engine

1980-09-05

1984-06-12

Ostrager, Allen M.

Power plants

Utilizing natural heat

Solar

60516, 417379, F03G 702

Patent

active

044533829

ABSTRACT:
The draft from a solar heated convection column or series of convection columns is used to alternately draw first heated air from a black body solar collector and then to draw cooled air from a heat sink over the walls of a heat exchanger so that the walls of a sealed cavity in the heat exchanger alternately contacting first the hot air draft and then the cool air draft are first heated and then cooled, thereby first heating the sealed gas or vapor within the cavity and then cooling the gas or vapor within the cavity, the consequent pressure changes in the cavity are converted to mechanical energy by action against the interior walls of a large bellows or on a piston in a cylinder the interior walls of which are part of the same sealed heated and cooled cavity.

REFERENCES:
patent: 1826273 (1931-10-01), Christiansen
patent: 4148195 (1979-04-01), Gerstmann et al.
patent: 4207034 (1980-06-01), Zeimer

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