FIELD: rocket engineering. SUBSTANCE: path member has heat accumulating reinforcement made up as a stack of disks 5 and 6 and erosion protection facing made up as split layers received in openings. The side of the layers facing the axis of the housing form the flowing portion of the path. The split erosion protection layers are plates 9,10,11, and 12 which are in a contact with each other. The outer sides of all or several layers are provided with stops 13 which are in a contact with answered grooves 14 in polyhedral openings of heat accumulating disks 5 and 6. EFFECT: improved design. 2 dwg
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