FIELD: rocket engine engineering. SUBSTANCE: engine has turbo-pump unit, by-passing pipe lines, fixedly mounted cruising engine, and steering pulse engines with control units and starting-and-stop valves. The control unit is constructed as a regulator of constant flow rate, dispenser with spaces, and two parallel relief starting-and-stop valves which are connected in series. The valves are connected in the by- pass pipe lines each of which connects the pipe lines downstream of the pump of the cruising engine with inlets of relative pumps. The inlet of each valve for starting and stop is in communication with the respective space of the dispenser. EFFECT: enhanced reliability. 1 dwg
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