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Title: Nuclear reactor shutdown control rod assembly

Abstract

A temperature responsive, self-actuated nuclear reactor shutdown control rod assembly 10. The upper end 18 of a lower drive line 17 fits within the lower end of an upper drive line 12. The lower end (not shown) of the lower drive line 17 is connected to a neutron absorber. During normal temperature conditions the lower drive line 17 is supported by detent means 22,26. When an overtemperature condition occurs thermal actuation means 34 urges ring 26 upwardly sufficiently to allow balls 22 to move radially outwardly thereby allowing lower drive line 17 to move downwardly toward the core of the nuclear reactor resulting in automatic reduction of the reactor powder.

Inventors:
 [1]
  1. (North Hollywood, CA)
Publication Date:
Research Org.:
ROCKWELL INTERNATIONAL CORP
OSTI Identifier:
866549
Patent Number(s):
US 4734252
Assignee:
United States of America as represented by United States (Washington, DC) OSTI
DOE Contract Number:  
AC03-83SF11902
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
nuclear; reactor; shutdown; control; rod; assembly; temperature; responsive; self-actuated; 10; upper; 18; drive; line; 17; fits; 12; shown; connected; neutron; absorber; normal; conditions; supported; detent; means; 22; 26; overtemperature; condition; occurs; thermal; actuation; 34; urges; upwardly; sufficiently; allow; balls; move; radially; outwardly; allowing; downwardly; core; resulting; automatic; reduction; powder; temperature responsive; rod assembly; temperature conditions; neutron absorber; control rod; nuclear reactor; reactor shutdown; radially outwardly; radially outward; move radially; drive line; shutdown control; self-actuated nuclear; normal temperature; condition occurs; upper drive; actuated nuclear; /376/285/403/976/

Citation Formats

Bilibin, Konstantin. Nuclear reactor shutdown control rod assembly. United States: N. p., 1988. Web.
Bilibin, Konstantin. Nuclear reactor shutdown control rod assembly. United States.
Bilibin, Konstantin. Fri . "Nuclear reactor shutdown control rod assembly". United States. https://www.osti.gov/servlets/purl/866549.
@article{osti_866549,
title = {Nuclear reactor shutdown control rod assembly},
author = {Bilibin, Konstantin},
abstractNote = {A temperature responsive, self-actuated nuclear reactor shutdown control rod assembly 10. The upper end 18 of a lower drive line 17 fits within the lower end of an upper drive line 12. The lower end (not shown) of the lower drive line 17 is connected to a neutron absorber. During normal temperature conditions the lower drive line 17 is supported by detent means 22,26. When an overtemperature condition occurs thermal actuation means 34 urges ring 26 upwardly sufficiently to allow balls 22 to move radially outwardly thereby allowing lower drive line 17 to move downwardly toward the core of the nuclear reactor resulting in automatic reduction of the reactor powder.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Jan 01 00:00:00 EST 1988},
month = {Fri Jan 01 00:00:00 EST 1988}
}

Patent:

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