Patent ID: 11898458
Assignee: HAMILTON SUNDSTRAND CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  B | IPC B  F

Claim 11:
12. The air cycle machine of claim 2, further comprising:
a fan section comprising:
the ram air fan, and
a ram air scoop;

a turbine section comprising a turbine rotor;
a compressor section axially between the fan section and the turbine section, the compressor section comprising a compressor rotor;
a tied rod connected to the turbine rotor, the compressor rotor, and the integrally bladed rotor;
at least one bearing assembly supporting the tie rod relative to a stationary structure of the air cycle machine; and
a bleed air passage comprising:
a bleed air inlet in the turbine section;
a bleed air outlet in the fan section, wherein the bleed air outlet is fluidically connected to the inlet passage, and wherein the bleed air passage extends across the at least one bearing assembly.