Patent ID: 9528479
Filing Date: 2016-12-27
CPC Classification: F02K,F02M

Claim Text:
1. An injector for mixing two propellants, comprising: several injection elements with a tricoaxial structure installed between two plates, an upstream plate and a downstream plate delimiting a space therebetween; and three coaxial ducts being defined in the injection element, including an annular middle coaxial duct for a first propellant and two coaxial ducts for a second propellant, the two coaxial ducts including an annular internal coaxial duct and external coaxial duct, respectively, wherein the internal coaxial duct and the external coaxial duct are supplied in parallel with a second propellant, wherein each injection element is rigidly fixed to the two plates, and wherein each injection element includes: