Refrigeration – Processes – Condensing and evaporating
Reexamination Certificate
1999-09-02
2001-07-03
Tapolcal, William E. (Department: 3744)
Refrigeration
Processes
Condensing and evaporating
C062S330000, C165S104140
Reexamination Certificate
active
06253560
ABSTRACT:
This invention pertains generally to the heating and cooling of enclosed spaces and, more particularly, to an air conditioning system and method.
In the air conditioning systems most commonly used today, warm air is drawn from the space to be cooled, refrigerated, and then gently blown back into that space. This type of system is generally effective in producing the desired cooling, but it is relatively expensive to operate.
Another type of air conditioning system which is less commonly employed is evaporative cooling. In that system, air is simply blown through a wet media and into the space to be cooled. This type of system is less costly to operated than a refrigerated system, but it tends to produce humidity and is less effective than a refrigerated system.
It is in general an object of the invention to provide a new and improved air conditioning system and method.
Another object of the invention is to provide an air conditioning system and method of the above character which overcome the limitations and disadvantages of the prior art.
These and other objects are achieved in accordance with the invention by providing an air conditioning system and method in which a refrigerant from a compressor is circulated through a cooling element within a hermetically sealed, thermally insulated cooling compartment to cool a fluid within the compartment, and transferring the cooled fluid out of the compartment for use in cooling a space. In one disclosed embodiment, the fluid which is cooled is air which is blown out of the compartment into the space to be cooled. In another disclosed embodiment, the fluid is a coolant which is contained within a vertically extending tube that extends both within the compartment and through a heat exchanger positioned beneath the compartment, with air being cooled by blowing it through the heat exchanger and then into the space to be cooled.
REFERENCES:
patent: 2350348 (1944-06-01), Gaugler
patent: 3156101 (1964-11-01), McGuffey
patent: 4003214 (1977-01-01), Schumacher
patent: 4403644 (1983-09-01), Hebert
patent: 4562702 (1986-01-01), Endo et al.
patent: 4590773 (1986-05-01), Hoshino et al.
patent: 4600050 (1986-07-01), Noren
patent: 5448897 (1995-09-01), Dinh
Flehr Hohbach Test Albritton & Herbert LLP
Tapolcal William E.
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