US 12,214,888 B2
Aircraft environmental control system
Louis J. Bruno, Ellington, CT (US); Tony Ho, Glastonbury, CT (US); and Aiden Coutin, Enfield, CT (US)
Assigned to HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US)
Filed by Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed on Jul. 30, 2021, as Appl. No. 17/390,042.
Claims priority of provisional application 63/058,828, filed on Jul. 30, 2020.
Prior Publication US 2022/0033090 A1, Feb. 3, 2022
Int. Cl. B64D 13/00 (2006.01); B64D 13/06 (2006.01); B64D 13/08 (2006.01); F25B 9/00 (2006.01); F25B 9/06 (2006.01)
CPC B64D 13/08 (2013.01) [B64D 13/06 (2013.01); F25B 9/004 (2013.01); F25B 9/06 (2013.01); B64D 2013/0618 (2013.01); B64D 2013/064 (2013.01); B64D 2013/0662 (2013.01); B64D 2013/0688 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An air cycle machine for an environmental control system for an aircraft, the air cycle machine comprising:
at least one turbine configured to receive and extract work from a first medium and a third medium;
a compressor configured to compress a second medium;
a shaft mechanically coupling the at least one turbine and the compressor;
a mixing point located downstream of the at least one turbine, wherein a mixture of the first medium and the third medium generated at the mixing point is provided to another component of the environmental control system;
a ram air circuit having at least one ram air heat exchanger arranged therein, the at least one ram air heat exchanger being the another component of the environmental control system; and
a divider arranged within the ram air circuit to form a first region and a second region, the at least one heat exchanger having a first portion arranged within the first region and a second portion arranged within the second region.