Wear sleeve for control rod guide tube

Details Wear sleeve for control rod guide tube Wear sleeve for control rod guide tube

1979-01-26

1981-08-18

Nelson, Peter A.

176 76, G21C 330

Patent

active

042844754

ABSTRACT:
A wear sleeve for a guide tube in a nuclear fuel assembly, and a method of installing the sleeve. The sleeve is an elongated metal cylinder having an upper portion adapted to be suspended from the upper end of the guide tube, and a lower portion adapted to be permanently deformed into interference fit with the walls of the guide tube whereby the sleeve may be secured against vertical movement. The method of installing the sleeve includes the steps of suspending the sleeve from the upper end of the guide tube, then expanding a selected lower surface of the sleeve until the sleeve is permanently deformed, whereby an interference fit between the sleeve and tube is formed.

REFERENCES:
patent: 3791466 (1974-02-01), Patterson et al.
patent: 4057468 (1977-11-01), Lunt
patent: 4119490 (1978-10-01), Delafosse
patent: 4124443 (1978-11-01), Bezold
patent: 4135972 (1979-01-01), Anthony et al.
patent: 4175004 (1979-11-01), Tabsen

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