Flash tank for heat pump in heating and cooling modes of...

Details Flash tank for heat pump in heating and cooling modes of... Flash tank for heat pump in heating and cooling modes of...

2006-11-21

2006-11-21

Jones, Melvin (Department: 3744)

Refrigeration

Reversible, i.e., heat pump

C062S196400

Reexamination Certificate

active

07137270

ABSTRACT:
A heat pump design with an economizer flash tank provides an efficient way to operate the system in both heating and cooling modes. Various expansion device types can be employed with this design. The invention enhances system performance in both cooling and heating modes of operation, through utilization of the flash tank economizer cycle, in simplistic and cost effective manner, while sustaining expansion device and entire system functionality through an appropriate refrigerant rerouting around the compressor and the flash tank.

REFERENCES:
patent: 4899555 (1990-02-01), Shaw
patent: 5465586 (1995-11-01), Sjoholm et al.
patent: 6374631 (2002-04-01), Lifson et al.
patent: 6474087 (2002-11-01), Lifson
patent: 6655172 (2003-12-01), Perevozchikov et al.

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