BODYLESS ENGINE (VERSIONS) AND METHOD OF ITS FABRICATION Russian patent published in 2010 - IPC F02K9/08 

FIELD: engines and pumps.

SUBSTANCE: bodyless engine comprises head part and solid rocket propellant charge representing cylindrical or threaded grain on rear end of which an adapter is fitted composed by sleeve with inside ledges, combustion chamber and jet nozzle. Engine head part has rear section that enters into aforesaid adapter after fuel combustion. Note here that said section has heat isolation and is filled with explosive material. In compliance with another version, said adapter is forced forward by flexible links. Note also that drive turbine is arranged on adapter or nose fairing. In compliance with the other version, charge grain has through lengthwise holes filled with mix based on gun powder. The other invention of proposed set relates to the method of producing said engine. In compliance with said method, gains of explosive material are coated by oxygen-emitting substance and/or fuel component. Then obtained grains are used to charge grain with the help of combustible binder.

EFFECT: reduced weight and costs, higher reliability, simplified production process.

21 cl, 3 dwg