Air conditioning system

Details Air conditioning system Air conditioning system

2005-04-05

2005-04-05

Jones, Melvin (Department: 3744)

Refrigeration

Gas controller or director

Cooled gas directed relative to cooled enclosure

C062S418000

Reexamination Certificate

active

06874334

ABSTRACT:
Air conditioning system including an outdoor unit, a compact indoor unit, air supply duct, air discharge duct, and preheat exchanger. An indoor heat exchanger in the indoor unit has a space therein in communication with a room, a fan in the indoor unit provided in the space draws air and discharges through the indoor heat exchanger. A ventilation guide duct in the indoor unit is provided on an underside of the indoor heat exchanger for guiding the external air to the room through the fan, and the room air to the outside of the room. The air supply duct and the air discharge duct have one ends connected to the ventilation guide duct for guiding the external air to the room, and the room air to the outside of the room, respectively. The preheat exchanger is provided in the middle of the air supply duct and the air discharge duct, for indirect heat exchange of the external air and the room air passing through the air supply duct and the air discharge duct.

REFERENCES:
patent: 5595068 (1997-01-01), Amr
patent: 6131653 (2000-10-01), Larsson
U.S. Appl. No. 10/754,599 to Yum et al., entitled “Air Conditioning System,” which was filed on Jan. 12, 2004.
U.S. Appl. No. 10/682,972 to Park et al., entitled “Multi-Type Air Conditioner,” which was filed on Oct. 14, 2003.
U.S. Appl. No. 10/754,579 to Lee et al., entitled “Air Conditioning System,” which was filed on Jan. 12, 2004.
U.S. Appl. No. 10/694,017 to Lee et al., entitled “Combined Ventilating and Air Conditioning System,” which was filed on Oct. 28, 2003.

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