Refrigeration – Air compressor – cooler and expander type – Motor-type expander
Reexamination Certificate
2004-10-29
2008-12-23
Doerrler, William C (Department: 3744)
Refrigeration
Air compressor, cooler and expander type
Motor-type expander
C062S401000
Reexamination Certificate
active
07467524
ABSTRACT:
The present invention relates to an air-conditioning system, in particular an air-conditioning system for the air-conditioning of a passenger cabin of an airplane, having at least one heat exchanger arranged in a stagnation air passage for the cooling of compressed air and having at least one first shaft device and one second shaft device, with the heat exchanger including at least one first heat exchanger unit and one second heat exchanger unit separate from it on the compressed air side, which are arranged in the common stagnation air passage and of which a respective one is in communication on the compressed air side with a respective one of the shaft devices, with the shaft devices having compressors which are in respective communication on the outlet side with the inlet of the heat exchanger units on the compressed air side. The compressors are acted on by stagnation air or environmental air on the inlet side and are driven by means of one or more motors. The invention further relates to a method for the preparation of air for the air-conditioning of a space.
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Brutscher Norbert
Haas Joachim
Dilworth & Barrese LLP
Doerrler William C
Liebherr-Aerospace Lindenberg GmbH
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