Temperature actuated automatic safety rod release

Patent · Thu Jan 01 00:00:00 EST 1987

OSTI ID:866200

Hutter, Ernest ^[1]; Pardini, John A ^[2]; Walker, David E ^[3]

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1. Wilmette, IL
2. Brookfield, IL
3. Naperville, IL

A temperature-actuated apparatus is disclosed for releasably supporting a safety rod in a nuclear reactor, comprising a safety rod upper adapter having a retention means, a drive shaft which houses the upper adapter, and a bimetallic means supported within the drive shaft and having at least one ledge which engages a retention means of the safety rod upper adapter. A pre-determined increase in temperature causes the bimetallic means to deform so that the ledge disengages from the retention means, whereby the bimetallic means releases the safety rod into the core of the reactor.

• Research Organization: Argonne National Laboratory (ANL), Argonne, IL (United States)
• DOE Contract Number: W-31109-ENG-38
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 4654192
• OSTI ID: 866200
• Country of Publication: United States
• Language: English

Related Subjects

temperature
actuated
automatic
safety
rod
release
temperature-actuated
apparatus
disclosed
releasably
supporting
nuclear
reactor
comprising
upper
adapter
retention
means
drive
shaft
houses
bimetallic
supported
ledge
engages
pre-determined
increase
causes
deform
disengages
whereby
releases
core
upper adapter
safety rod
drive shaft
nuclear reactor
automatic safety
rod release
retention means
temperature actuated
/376/285/403/976/