公开(公告)号：US09267514B2

公开(公告)日：2016-02-23

申请号：US14508230

申请日：2014-10-07

Applicant: Hamilton Sundstrand Corporation

Inventor： Darryl A Colson ,  Seth E. Rosen ,  Eric Chrabascz

IPC: F04D29/58 ,  F04D29/057 ,  F16L9/00

CPC classification number: F04D29/584 ,  F04D29/057 ,  F16C37/002 ,  F16L9/006 ,  Y10T29/49243

Abstract: An air cycle machine has a housing which holds a compressor section, and a turbine section having an expansion area, and a fan section disposed outside of the housing. A shaft, which attaches to and is coaxial with the compressor section, the turbine section and the fan section, is supported by an air journal bearing and an air thrust bearing. The shaft has a hollow core for porting cooling air from the air journal bearing and the air thrust bearing, and a tube that extends into said expansion area and communicates cooling air from the turbine expansion area to the thrust bearing.

Abstract translation: 空气循环机具有容纳压缩机部的壳体和具有膨胀区域的涡轮部分和设置在壳体外部的风扇部分。 与压缩机部分，涡轮机部分和风扇部分相连并与其同轴的轴由空气轴颈轴承和空气推力轴承支撑。 轴具有用于从空气轴颈轴承和空气推力轴承输送冷却空气的中空芯，以及延伸到所述膨胀区域并将来自涡轮膨胀区域的冷却空气与推力轴承连通的管的中空芯。