초록 ▼

A heat exchanger tube (2, 2a, 2b) is made using a hollow, impermeable, monolithic ceramic inner tube (4) and wrapping the inner tube with a circumferentially extending reinforcing material (12) impregnated with a slurry of ceramic particles, particle carrier medium and thermoset binder. The combinat

A heat exchanger tube (2, 2a, 2b) is made using a hollow, impermeable, monolithic ceramic inner tube (4) and wrapping the inner tube with a circumferentially extending reinforcing material (12) impregnated with a slurry of ceramic particles, particle carrier medium and thermoset binder. The combination of the inner tube and the impregnated reinforcing material is first heated to solidify the thermoset binder. The combination is then sintered to drive off the particle carrier medium and themoset binder to create a two-layer heat exchanger tube including the inner tube and an outer tube (6).

대표청구항 ▼

[ What is claimed is:] [1.] A heat exchanger tube comprising:a hollow ceramic first tube having a longitudinal axis, an inner surface and an outer surface; andat least one circumferentially extending, fibrous ceramic-impregnated reinforcement layer of a chosen thickness said reinforcement lying oppo

[ What is claimed is:] [1.] A heat exchanger tube comprising:a hollow ceramic first tube having a longitudinal axis, an inner surface and an outer surface; andat least one circumferentially extending, fibrous ceramic-impregnated reinforcement layer of a chosen thickness said reinforcement lying opposite of the first tube, the first tube having a thickness substantially equal to or greater than a thickness of the reinforcement layer and extending in the longitudinal direction along a substantial portion of the reinforcement layer.