FIELD: rocketry.
SUBSTANCE: case of rocket engine has load-bearing envelope made from composite material and provided with flanges and elastic-flexible gasket laid over pole holes of bottoms; it is lined with heat protective coat made rubber-like material and has circular band zones for securing heat protective coat and load-bearing envelope with flanges. Located in area of band zones inside heat protective coat equidistant relative to inner surface of load-bearing envelope and near t is one or several circular reinforcing layers made from capron fabric for example. Width of first (from load-bearing envelope) reinforcing layer exceeds width of circular band zone and width of each subsequent layer is lesser than previous one.
EFFECT: enhanced operational reliability of case of solid-propellant rocket engine, practically with no increase in mass.
2 dwg
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