Patent Number: 6,308,914

Title: Apparatus for the suppression of infra red emissions from an engine

Abstract: An apparatus for the suppression of infra red emissions from an engine includes a suppressor body through which pass exhaust gases from the engine, the suppressor body having an inlet means for air which is mixed within the suppressor body with the hot exhaust gases to cool the exhaust gases before final exhaustion, characterised in that at least one sonic or supersonic energy generator is provided to apply within the suppressor body, sonic or supersonic energy to enhance the efficiency of infra red suppression.

Inventors: Spurway; Simon Peter (Stoke Sub Hamdon, GB), Kokkalis; Anastasios (Yeovil, GB)

Assignee: GKN Westland Helicopters Limited

International Classification: F02K 1/82 (20060101); F02K 1/00 (20060101); B64D 033/04 ()

Expiration Date: 10/30/2018