Jeffrey D Knowles

US Patent:

20130111917, May 9, 2013

Filed:

Nov 2, 2012

Appl. No.:

13/667079

Inventors:

Northrop Grumman Systems Corporation - Falls Church VA, US
Jeffrey A. Knowles - Yorba Linda CA, US

Assignee:

Northrop Grumman Systems Corporation - Falls Church VA

International Classification:

F02C 7/00

US Classification:

60773, 60784

Abstract:

An apparatus is provided for supplying electrical power and cooling for an aircraft. The apparatus includes a cooling turbine coupled to a shaft, a compressor coupled to the shaft, and including an input for receiving engine bleed air or ambient air, and an output for discharging compressed air, a flywheel coupled to the shaft, a power turbine coupled to the shaft, and a starter generator coupled to the shaft between the compressor and the power turbine.