FIELD: mechanical engineering. SUBSTANCE: before making pump casing with flow passage and impeller, carcasses are made from parts consisting of carbon fibrous filler. Then said carcasses are saturated with pyrocarbon, and machined. After assembling the casing and impeller the assemblies are additionally saturated with pyrocarbon. Carcasses of casing and impeller parts are made by molding carbon fibrous filler with organic resin followed by polymerization and carbonization. EFFECT: higher efficiency. 2 cl
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