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Integrated air conditioning and power unit

  • US 5,899,085 A
  • Filed: 08/01/1997
  • Issued: 05/04/1999
  • Est. Priority Date: 08/01/1997
  • Status: Expired due to Term
First Claim
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1. An integrated air conditioning and power unit for use with an engine of an aircraft, comprising:

  • an air turbine having an inlet air passage connected to the engine;

    a motor/generator drivingly attached to said air turbine;

    a primary power system capable of supplying electricity to said motor/generator for operation in a motor mode and capable of receiving electricity which is generated by said motor/generator in a generator mode;

    an air compressor drivingly attached to said air turbine and said motor/generator;

    a ram air duct for receiving ambient air under pressure;

    a cooling system including a system compressor drivingly attached to said motor/generator, a first evaporator in fluid communication with said system compressor to enable cooling air exiting at least one of said air compressor and said air turbine, and a condenser in fluid communication with said system compressor and said first evaporator;

    ducting for communicating said ambient air under pressure to said air turbine and said air compressor; and

    a valve system for controlling the application of said ambient air selectively to said air turbine and said air compressor depending on operational conditions affecting said aircraft.

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