Patent ID: 8117855
Filing Date: 2012-02-21
Classification: F24F,F25B

Abstract:
1. A method for cooling, dehumidification, and heating air with a refrigeration system including a refrigerant circuit and an air circuit; the refrigerant circuit including a compressor, a first and second heat exchangers, said first heat exchanger consisting of an auxiliary section and a main section, a first and second expansion devices with the first expansion device located between the first and second heat exchangers and the second expansion device located between the auxiliary and the main sections of the first heat exchanger; the air circuit including a fan moving air to be conditioned, the method for operation: in a conventional cooling mode, in a cooling mode with enhanced dehumidification, in a conventional heating mode, and in an improved heating mode with increased capacity and efficiency, the method including the steps: in the conventional cooling mode: in the cooling with enhanced dehumidification mode: in the conventional heating mode: in the improved heating mode: