Patent ID: 8561407

Claim:
A process for generating CO 2 free electricity using a structure having a roof and an attic, comprising the steps of: collecting low grade solar heat; collecting waste heat derived from the roof total surface area which has penetrated into the attic; using servos and control logic to control the amount of waste heat collection to combine with the low grade solar heat collection; using the combined low grade solar heat and waste heat to expand a refrigerant to a high pressure, high volume gas; using the high pressure, high volume gas to drive an air-motor-generator design to convert mechanical energy into electrical energy; using a geothermal heat sink for cooling the high pressure, high volume gas to a liquid by conducting heat into the surrounding soil or liquid; using the geothermal heat sink for heating a cryogenic liquid to a high pressure gas; using the high pressure gas produced by the heated cryogenic liquid to drive the air-motor-generator design to generate electricity when the low grade solar heat and waste heat become unavailable.