Dual open cycle heat pump and engine

Details Dual open cycle heat pump and engine Dual open cycle heat pump and engine

1983-01-28

1984-04-24

King, Lloyd L.

Refrigeration

Air compressor, cooler and expander type

F25D 900

Patent

active

044440243

ABSTRACT:
The heat pump/engine operates in an open cycle between a cold air reservoir and a hot air reservoir to pump heat or to obtain energy by exchanging air at atmospheric pressure between the two reservoirs at different temperatures.
The heat pump/engine employs a positive displacement compressor, heat exchanger and a positive displacement expander to transfer the air flows. A means is also provided for adjusting the stroke volume of the expander during expansion in the heat pump version. Also, a snowmaker preheater can be used with the heat pump to decrease power consumption.

REFERENCES:
patent: Re30630 (1981-06-01), Morse et al.
patent: 2044330 (1936-06-01), Richter
patent: 3241327 (1966-03-01), La Fleur
patent: 3321930 (1967-05-01), La Fleur
patent: 3327495 (1967-06-01), Ergenc
patent: 3355903 (1967-12-01), La Fleur
patent: 3763663 (1973-10-01), Schlichtig
patent: 4246759 (1981-01-01), Signoret
patent: 4295518 (1981-10-01), Rannenberg

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