FIELD: engines and pumps.
SUBSTANCE: invention refers to rocket engine building industry and can be used during development of chambers of liquid-propellant engines (LPE), namely for alternator-free LPEs operating on cryogenic components, e.g. oxygen and hydrogen. Cooling circuit of liquid propellant engine chamber includes internal shaped cover with ribs of constant thickness, which are made in it and form cooling circuit channels. On internal shaped cover there installed is external shaped cover and attached to it. At inner surface of internal cover at the side of combustion chamber there are auxiliary ribs. The height and thickness of auxiliary ribs does not exceed the thickness of channel bottom wall.
EFFECT: invention provides the improvement of heat exchange conditions between combustion products and cooler.
2 cl, 2 dwg
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