Refrigeration – Processes – Reducing pressure on compressed gas
Reexamination Certificate
2008-01-29
2008-01-29
Ali, Mohammad M. (Department: 3744)
Refrigeration
Processes
Reducing pressure on compressed gas
C062S401000
Reexamination Certificate
active
07322202
ABSTRACT:
An inventive air conditioning system includes an air conditioning pack for receiving pressurized air and converting the pressurized air into conditioned air for an aircraft. Pressurized air is provided by a compressed air supply system that is fluidly connected to the air conditioning pack for providing air to the air conditioning pack. The compressed air system includes a compressor driven by an electric motor. The electric motor is commanded by a controller to provide pressurized air when needed. In particular, the controller commands the electric motor based upon a desired conditioned airflow that is to be provided by the air conditioning pack. For high altitude aircraft, applications, a diffuser is used to increase the efficiency of the compressor within the compressed air supply system.
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European Search Report, Nov. 14, 2006.
Hipsky Harold W.
McMurtry Paul H.
Zywiak Thomas
Ali Mohammad M.
Carlson & Gaskey & Olds
Hamilton Sundstrand Corporation
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