COAXIAL SPRAY ATOMISER Russian patent published in 2013 - IPC F02K9/42 

FIELD: engines and pumps.

SUBSTANCE: coaxial spray atomiser comprises case with hollow nozzle with outlet provided with radial grooves composed of alternating ledges and recesses to communicate oxidiser chamber with combustion zone and sleeve covering said nozzle to communicate hydrogen chamber with combustion zone. Note here that said radial grooves are arranged to make perimeter of jet central part limited by beam generatrices not exceeding 3s while beam length equals 2.3-2.5 s where s is beam thickness. Note also that beam number amounts to three and that the sleeve between nozzle ledges has channels with outlets open to fire zone and inlets communicated with second fuel unit chamber.

EFFECT: better fuel mix mixing.

2 dwg