Refrigerating system with economizing cycle

Details Refrigerating system with economizing cycle Refrigerating system with economizing cycle

2005-09-27

2010-02-02

Jules, Frantz F (Department: 3744)

Refrigeration

Refrigeration producer

Heat exchange between diverse function elements

C062S498000, C062S117000, C062S196300

Reexamination Certificate

active

07654109

ABSTRACT:
The invention relates to refrigerating systems, primarily, to refrigerating systems employing compressors with economizing inlets and multi-pass condensers. In accordance with the invention a refrigerating system with economizing cycle employs a compressor unit with an economizer inlet and a condenser unit having a first condensation stage, a second condensation stage, and means to remove liquid refrigerant portion between the condensation stages. An intermediate liquid outlet from the first condensation stage feeds a circuit with the evaporator and a liquid outlet from the second condensation stage feeds a circuit with the economizer inlet. The invention provides a high efficiency refrigerating system incorporating of advantages of cost-effectiveness provision of liquid sub-cooling or/and liquid temperature inherent for refrigerating systems with economizing cycle and cost-effectiveness advantages of two-stage condensation condensers.

REFERENCES:
patent: 4850197 (1989-07-01), Taylor et al.
patent: 5174123 (1992-12-01), Erickson
patent: 6385981 (2002-05-01), Vaisman
patent: 6694750 (2004-02-01), Lifson et al.

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