Refrigeration – Disparate apparatus utilized as heat source or absorber – With power vapor generator
Patent
1981-01-26
1982-03-30
Capossela, Ronald C.
Refrigeration
Disparate apparatus utilized as heat source or absorber
With power vapor generator
62268, 62500, F25B 2702
Patent
active
043218016
ABSTRACT:
A jet pump system is shown that utilizes waste heat to provide heating and/or cooling. Waste heat diverted through a boiler causes a refrigerant to evaporate and expand for supersonic discharge through a nozzle thereby creating a vacuum in an evaporator coil. The vacuum draws the refrigerant in a gaseous state into a condensing section of a jet pump along with refrigerant from a reservoir in a subcooled liquid form. This causes condensation of the gas in a condensation section of the jet pump, while moving at constant velocity. The change in momentum of the fluid overcomes the system high side pressure. Some of the condensate is cooled by a subcooler. Refrigerant in a subcooled liquid state from the subcooler is fed back into the evaporator and the condensing section with an adequate supply being insured by the reservoir. The motive portion of the condensate is returned to the boiler sans subcooling. By proper valving start-up is insured, as well as the ability to switch from heating to cooling.
REFERENCES:
patent: 3338173 (1967-08-01), Gunzel, Jr. et al.
patent: 3680327 (1972-08-01), Stein
patent: 3891353 (1975-06-01), Templeman
patent: 3922877 (1975-12-01), Ophir et al.
patent: 4192148 (1980-03-01), Von Kreudenstein
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