Reactor internals hold down spring

Details Reactor internals hold down spring Reactor internals hold down spring

1983-09-30

1988-11-22

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Expansion means

376205, 376399, G21C 1302

Patent

active

047864613

ABSTRACT:
Disclosed is a reactor internals hold down spring and upper head region cooling passage. The hold down spring utilizes a plurality of stacks of Belleville spring washers to provide spring load and deflection capability to hold down the reactor vessel internals. Each spring assembly includes a generally leak tight means for passing an adjustable coolant flow to the upper reactor vessel head region in order to maintain that region at inlet coolant temperature. The spring assemblies are angularly spaced about a core barrel support flange to cooperate with coolant flow passage formed therein.

REFERENCES:
patent: 2982713 (1961-05-01), Sankovich et al.
patent: 3070527 (1962-12-01), Hurford et al.
patent: 4096023 (1978-06-01), Anthony
patent: 4097332 (1978-06-01), Gibbons et al.

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