BODY OF SOLID-PROPELLANT ROCKET ENGINE Russian patent published in 2007 - IPC F02K9/34 

FIELD: rocketry; solid-propellant rocket engines.

SUBSTANCE: proposed body of solid-propellant rocket engine contains load-bearing shell made of polymeric composite materials, and elastic cups holding charge relative to heat-protective coating of bottom of load-bearing shell. Walls of each cup from side of bottom of heat-protective coating are fastened with bottom additionally by intermediate element. Said intermediate element is made of cords, round and branching-off radial, ones, catches fastened with equal alternation on heat-protective coating of bottom and cup, respectively. Radial cords are secured through loops on their ends in neck area of body by round cords.

EFFECT: improved reliability of solid-propellant rocket engine in operation by preventing folding of cups when filling rocket engine with propellant.

2 dwg