Support structure for a ceramic valve assembly

Details Support structure for a ceramic valve assembly Support structure for a ceramic valve assembly

1993-11-01

1994-09-27

Fox, John C.

Valves and valve actuation

Rotary valves

Butterfly

251308, 251368, F16K 122

Patent

active

053501543

ABSTRACT:
A ceramic valve assembly is housed in a recess formed in a metal pipe and is supported via gaskets by the metal pipes. Each gasket has a larger coefficient of linear expansion than that of the metal pipe. A clearance generated due to the thermal expansion difference between the metal pipe and the ceramic housing is absorbed by the large thermal expansion of the gasket so that no play is generated between the ceramic valve assembly and the metal pipe and the sealing force is maintained. Each gasket has beads constructed of spring material. An excessively large load does not act on the ceramic assembly because the beads are deformed to absorb the load.

REFERENCES:
patent: 4079747 (1978-03-01), Roberts
patent: 4822001 (1989-04-01), Sish

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