DUAL-MODE POWER PLANT Russian patent published in 2012 - IPC F02K9/30 F02K9/18 

FIELD: engines and pumps.

SUBSTANCE: dual-mode power plant includes front cover plate, rear bottom, in-series located charges of solid fuel of booster and cruise engine, as well as central partition. Front cover plate is provided with booster engine igniter, and rear bottom - with cruise engine igniter located on it. Central partition is made as an integral part of the housing, divides it into two compartments and forms rear bottom of booster engine and front bottom of cruise engine. Central partition adjoins the central gas duct of booster engine, and peripheral gas ducts are located on rear bottom of cruise engine. Charge of booster engine is channel-slot type. Height of larger slot is 0.7÷0.8 of total burning arch of starting charge, and height of smaller slot is 0.4÷0.5 of total burning arch of starting charge. Cruise engine charge is made in the form of end burning charge and divided from central partition by means of a cuff with a sleeve of cruise engine, which is rigidly attached to end burning charge.

EFFECT: invention allows improving reliability of power plant, as well as providing the possibility of reducing the time required for the target hitting with the rocket due to simultaneous operation of booster and cruise engines, or enlarging the rocket flight distance as to time due to their serial operation.

2 dwg