Three wheel center fan cooling turbine apparatus and associated

Refrigeration – Air compressor – cooler and expander type – Motor-type expander

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Details

184 611, 384453, 384590, F25D 900

Patent

active

045079390

ABSTRACT:
A three wheel air cycle cooling machine has its fan positioned between its turbine and compressor on a common drive shaft, and utilizes pressurized turbine inlet air to lubricate the shaft's journal and thrust bearings.

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patent: 3728857 (1973-04-01), Nichols

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