Compressor/turbine arrangement, air conditioning unit and method for operating a compressor/turbine arrangement

  • US 9,221,543 B2
  • Filed: 04/05/2011
  • Issued: 12/29/2015
  • Est. Priority Date: 04/06/2010
  • Status: Active Grant
First Claim
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1. Compressor/turbine arrangement for use in an air conditioning unit of an aircraft air conditioning system, having:

  • a process air supply line which is designed to supply process air generated by a process air source to a compressor,a detection device which is designed to detect a signal characteristic of the temperature of the process air flowing through the process air supply,a turbine which is designed to drive the compressor,a cooling device which is arranged in a process air line connecting the compressor to the turbine and is designed to cool the process air exiting the compressor and flowing through the process air line in the direction of the turbine,a connecting line which branches off from the process air line downstream of the cooling device and opens into the process air supply line,a control device which is designed to control a process air flow through the connecting line in dependence on the signal detected by the detection device and characteristic of the temperature of the process air flowing through the process air supply line, there being no cooling device interposed in the process air supply line so that the process air flowing through the process air supply line in the region of an end connected to the process air source has substantially the same temperature as the process air flowing through the process air supply line in the region of an end connected to the compressor.

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