US Patent 10119482 Method for igniting fuels in engines

A method to ignite a fuel in an engine of an engine system is disclosed. The method includes introducing a mixture of air and a compound into a main combustion chamber of the engine. The compound includes a peroxide group. Next, the method includes controlling, by a controller, one or more parameters of the engine system to attain a temperature in the main combustion chamber within a temperature range. The compound decomposes into a radical within the temperature range. The method further includes injecting, by an injector, the fuel into the main combustion chamber upon the decomposition of the compound into the radical, causing an interaction of the fuel with the radical, thereby igniting the fuel.