Air conditioning system

Refrigeration – Air compressor – cooler and expander type

Reexamination Certificate

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Details

C062S086000, C062S087000, C062S172000, C062S402000

Reexamination Certificate

active

06981388

ABSTRACT:
The following invention relates to an air conditioning system, in particular for aircraft, comprising at least one heat exchanger, arranged in a ram air duct, for cooling compressed air by means of a fluid, and comprising at least a first and a second air cycle machine which at the compressed-air end are connected to the heat exchanger. A particularly compact, reliable, redundant and economical arrangement is achieved in that the heat exchanger comprises at least one first heat exchanger unit and a second heat exchanger unit, of which one each is connected at the compressed-air end to one of the air cycle machines, and in that ram air outlet ducts which are fluidically separate from each other are provided, of which one is connected to the first heat exchanger unit and another is connected to the second heat exchanger unit.

REFERENCES:
patent: 5323624 (1994-06-01), Schwalm
patent: 5511385 (1996-04-01), Drew et al.
patent: 5704218 (1998-01-01), Christians et al.
patent: 6128909 (2000-10-01), Jonqueres
patent: 6415621 (2002-07-01), Buchholz et al.
patent: 19935918 (2001-02-01), None
patent: 10009373 (2001-09-01), None
patent: 0891279 (1999-01-01), None
patent: 940336 (1999-09-01), None
patent: 2355520 (2001-04-01), None
patent: 99/24318 (1999-05-01), None
Patent Abstracts of Japan, vol. 2, No. 60 (m-018), Apr. 28, 1978 & JP 53 022300.

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