FIELD: engine building.
SUBSTANCE: invention relates to liquid-propellant rocket engines. Liquid-propellant chamber mixing head containing external bottom, housing, fire bottom, two-component nozzles fixed in housing and fire bottom, annular peripheral part, supply line of liquid and gaseous component, according to invention in body there are three rows of holes, one row made in cylindrical part of housing, and second row of holes made in hollow wall of housing, connect cavity, collector of liquid component with annular peripheral part, third row of holes made in flat wall of housing, connects chamber cavity of liquid component with liquid cavity of central part, and between holes of third row in flat part of housing there are metering holes for supply of gaseous component into annular peripheral part and cavities of two-component nozzles and peripheral annular cavity through cavities of headers is connected to lines of supply of liquid and gaseous fuel components.
EFFECT: invention improves reliability and reduces labor intensity of manufacturing.
1 cl, 3 dwg
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