An apparatus for supplying hot bleed air for anti-icing of a jet engine and cooled bleed air to an environmental control system includes a first duct (17), a second duct (5) and a front frame (10) coupled to the front of a jet engine (23). The first duct (17) is positioned to route hot bleed air from the jet engine (23) to the front frame (10). The second duct (5) is positioned to receive cooled bleed air from the front frame (10) for routing to an environment control system of an aircraft. Regulating/shutoff valves (15) are connected in the first duct (...
1. A method for supplying cooled bleed air from a jet engine to an environmental control system of an aircraft, comprising:routing hot bleed air from the jet engine to a first serpentine path comprising an outer ring of a front frame of the jet engine; passing the hot bleed air from the jet engine through the first serpentine path; passing the hot bleed air through each of a plurality of second serpentine paths positioned in guide vanes and fluidly coupled to the first serpentine path, the guide vanes being positioned in the front frame; routing the blee...
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