Refrigeration – Reversible – i.e. – heat pump – With flow control or compressor details
Patent
1990-11-29
1993-06-08
Bennet, Henry A.
Refrigeration
Reversible, i.e., heat pump
With flow control or compressor details
623241, 62500, F25B 1300, F24F 314
Patent
active
052168999
ABSTRACT:
A single fluid two-phase flow thermally activated heat pump is made to operate efficiently by incorporating rotating energy conversion components, principally a two-phase flow turbine. An efficient two-phase flow reaction turbine which powers a vapor compressor and a liquid pump is employed. The two-phase turbine extracts power from expanding two-phase flow which achieves low velocities. A rotating vapor compressor is positioned downstream of the turbine. The thermodynamic cycle is modified by utilizing full evaporation of the two-phase flow such that only dry vapor is pressurized in the compressor. The system is simpler and more efficient than most thermally activated heat pumps due to the integration of power producing and heat pumping thermodynamic cycles. The heat pump is contemplated for such applications as air conditioning, cooling, heating and industrial heat pumps.
REFERENCES:
patent: 3799243 (1974-03-01), Castillo
patent: 4202493 (1980-05-01), Franchina
patent: 4438638 (1984-03-01), Hays et al.
patent: 4475360 (1984-10-01), Suefuji et al.
patent: 4576006 (1986-03-01), Yamaoka
patent: 4774816 (1988-10-01), Uchikawa et al.
Bennet Henry A.
Doerrler William C.
McConaghy John D.
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