Malone-Brayton cycle engine/heat pump

Details Malone-Brayton cycle engine/heat pump Malone-Brayton cycle engine/heat pump

1993-09-28

1994-07-12

Wayner, William E.

Refrigeration

Refrigeration producer

62118, 417406, F25D 1702

Patent

active

053277457

ABSTRACT:
A machine, such as a heat pump, and having an all liquid heat exchange fl, operates over a more nearly ideal thermodynamic cycle by adjustment of the proportionality of the volumetric capacities of a compressor and an expander to approximate the proportionality of the densities of the liquid heat exchange fluid at the chosen working pressures. Preferred forms of a unit including both the compressor and the expander on a common shaft employs difference in axial lengths of rotary pumps of the gear or vane type to achieve the adjustment of volumetric capacity. Adjustment of the heat pump system for differing heat sink conditions preferably employs variable compression ratio pumps.

REFERENCES:
patent: 3079764 (1963-03-01), Westcott et al.
patent: 4353218 (1982-10-01), Wheatley et al.

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