Injector of an over-enriched fuel-and-air mixture to the combustion chamber of internal combustion engines

A continuously rotating detonation engine comprising a fuel injector for injecting an over-enriched fuel and air mixture to a combustion chamber of the continuously rotating detonation engine, the combustion chamber having a lateral surface, comprising:

• a hydrocarbon liquid fuel spray nozzle (1), at least one supply of a heated gaseous carrier (2), a fuel mixing chamber (3) and an injector nozzle (4) to the combustion chamber, and configured such that, during operation,
• a liquid fuel is supplied to the mixing chamber (3) through the hydrocarbon liquid fuel spray nozzle (1),
• and a heated compressed gaseous carrier is supplied to the mixing chamber through the supply of the heated gaseous carrier (2),
• wherein in the mixing chamber (3) the liquid fuel and the heated gaseous carrier are mixed and fuel is evaporated as a result of an elevated temperature of the heated gaseous carrier forming a mixture of an evaporated fuel with the heated gaseous carrier that reaches the combustion chamber through the injector nozzle (4), wherein
• the heated gaseous carrier is air, a flue gas, a water vapor or mixtures thereof, and is at elevated pressure and temperature and having a composition that prevents the initiation of flame combustion, and
• the heated gaseous carrier has oxygen content low enough to prevent the initiation of combustion, even under conditions of elevated pressure and temperature of the heated gaseous carrier;
• with an air-to-fuel ratio λ of the mixture in the fuel injector ranges from 0.1 to 0.4.