One-piece baffle infrared suppressor apparatus and method
AssigneeGeneral Electric Company
InventorsWilliam Steyer, Christopher Marlow Kieffer, John Michael Jasany
Life of this patent
Estimating the term…
Abstract
A method for suppressing infrared radiation from an aircraft engine includes directing hot exhaust from the aircraft engine into a lobed mixer of a single baffle infrared suppressor having a single baffle assembly to generate alternating flows of hot exhaust gas and cold air. The method further includes directing the alternating flows of hot exhaust gas and cold air towards the single baffle assembly to mix the hot exhaust gas with the cold air.
Claims18
A method for suppressing infrared radiation from an aircraft engine, said method comprising:
- directing hot exhaust from the aircraft engine into a lobed mixer of a single baffle infrared suppressor having a single baffle assembly to generate alternating flows of hot exhaust gas and cold air;
- directing the alternating flows of hot exhaust gas and cold air towards the single baffle assembly to facilitate mixing the hot exhaust gas with the cold air;
- and
- cooling the hot exhaust gas and cold air mixture in a duct having an extended inlet flowpath.
An infrared suppressor for an aircraft engine, said apparatus comprising a lobed mixer and one single baffle assembly, said apparatus further configured to:
- direct hot exhaust from the aircraft engine into said lobed mixer to generate alternating flows of hot exhaust gas and cold air;
- provide an additional flow path for cold air so that said alternating flows of hot exhaust gas and cold air are surrounded on three sides by cold air and
- direct the alternating flows of hot exhaust gas and cold air towards the single baffle assembly to mix the hot exhaust gas with the cold air.
A method for suppressing infrared radiation from an aircraft engine, said method comprising:
- directing hot exhaust from the aircraft engine into a lobed mixer of a single baffle infrared suppressor having a single baffle assembly to generate alternating flows of hot exhaust gas and cold air;
- directing the alternating flows of hot exhaust gas and cold air towards the single baffle assembly to mix the hot exhaust gas with the cold air;
- and
- shielding lobes of the lobed mixer from a line of sight from an exit direction for the mixture of hot exhaust gas and cold air.
Dependencies are inferred from the claim text.