CHARGE CONNECTED WITH SOLID PROPELLANT ROCKET ENGINE BODY Russian patent published in 2002 - IPC

FIELD: rocket production. SUBSTANCE: proposed charge has solid composite propellant, load-bearing shell made of composite materials, heat protective coating, flanges, elastoflexible gaskets and ring belt zones of fastening overlapping flange edges. Ring belt fastening zones are located on bottom of body between load-bearing shell and flanges. They are made blind, without gas communication with charge channel. Variable thickness armor ring cups are made on end faces of charge. Maximum diameter of armor ring cups is located between maximum diameters of ring belt fastening zones and flanges, thickness of armor ring cups in each point increasing with increase in diameter on which point is located. EFFECT: prevention of destruction and separation of charge and burning through of body in operation. 2 dwg