Air conditioning system

Details Air conditioning system Air conditioning system

2006-10-17

2006-10-17

Jones, Melvin (Department: 3744)

Refrigeration

Gas controller or director

Cooled gas directed relative to cooled enclosure

C062S423000

Reexamination Certificate

active

07121110

ABSTRACT:
The present invention discloses an improved air conditioning system which can supply fresh air prepared separately. A first preferred embodiment of the present invention provides an air conditioning system including an outdoor unit, an indoor unit installed in a ceiling, and means connected to the indoor unit for supplying fresh air stored separately to the indoor unit. A second preferred embodiment of the present invention provides an air conditioning system including an outdoor unit, an indoor unit, air supply and air discharge ducts, and means connected to the air supply duct for supplying fresh air stored separately to the indoor unit. In the second embodiment, the indoor unit includes a fan, an indoor heat exchanger, and a guide duct for guiding flow passages of the external air and room air, and, if necessary, further including a preheat exchanger arranged to surround the guide duct for indirect heat exchange between the external air and the indoor air.

REFERENCES:
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patent: 2001-227772 (2001-08-01), None
patent: 2001324 /96 (2001-11-01), None
patent: 2002-0044792 (2002-06-01), None
U.S. Appl. No. 10/754,579, Lee et al., entitled “Air Conditioning System,” filed Jan. 12, 2004.
U.S. Appl. No. 10/682,972, Park et al., entitled “Multi-Type Air Conditioner,” filed Oct. 14, 2003.
U.S. Appl. No. 10/754,514, Kim et al., entitled “Air Conditioning System,” filed Jan. 12, 2004.
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English language Abstract of JP2001-227772.
English language Abstract of JP 9-210405.
English language Abstract of JP 11-153332.
English Language abstract of CN1232945.

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