FIELD: machine building.
SUBSTANCE: flexible gas duct comprises moving assembly made up of metal shells jointed with seal ring over cylindrical surfaces. Said shells are protected by heatproof coatings and erosion proof lining to make axial clearance of constant-width over entire length. Embedded element made from rubber is fitted into said clearance. Lines of circular beads are made on one of lateral surfaces of aforesaid element to shut off hot gas flows to joint of metal shells, when straightened in operation.
EFFECT: perfected design of gas ducts operated at high temperatures and variable pressures.
2 cl, 3 dwg
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|---|---|---|---|
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RU2629858C2 |
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RU2565481C2 |
