Fuel injection element for rocket drive has swirler and flow divider to divided swireld fuel into primary and secondary hollow cone flows

摘要

The element has a swirler and a flow divider. The swirler (3) imprints a torque to the fuel flow within the injection element. The swirled fuel flow is divided into a primary and a secondary hollow cone flow (5,6), by the flow divider (4), a primary outlet channel (11), and a secondary outlet channel (12). The two flows are injected into the combustion chamber at different angles( alpha 1, alpha 2). The swirler has pref. two to six grooves. The flow divider is a funnel-shaped insert with integrated secondary outlet channel (12) and divider openings to divide the fuel flow.