Nuclear reactor control apparatus

Patent · 01 November 1983

OSTI ID:864760

Sridhar, Bettadapur N ^[1]

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1. Cupertino, CA

Nuclear reactor core safety rod release apparatus comprises a control rod having a detent notch in the form of an annular peripheral recess at its upper end, a control rod support tube for raising and lowering the control rod under normal conditions, latches pivotally mounted on the control support tube with free ends thereof normally disposed in the recess in the control rod, and cam means for pivoting the latches out of the recess in the control rod when a scram condition occurs. One embodiment of the invention comprises an additional magnetically-operated latch for releasing the control rod under two different conditions, one involving seismic shock.

• Assignee: Sridhar; Bettadapur N. (Cupertino, CA)
• Patent Number(s): US 4412968
• Application Number: 06/297,308
• OSTI ID: 864760
• Country of Publication: United States
• Language: English

Related Subjects

/376/138/976/
additional
additional magnet
additional magnetic
annular
apparatus
apparatus comprise
apparatus comprises
comprises
condition
condition occurs
conditions
control
control apparatus
control rod
core
detent
disposed
embodiment
form
free
involving
latch
latches
lowering
magnetically-operated
means
mounted
normal
normal condition
normal conditions
normally
normally disposed
notch
nuclear
nuclear reactor
occurs
peripheral
pivotally
pivotally mounted
pivoting
raising
reactor
reactor control
reactor core
recess
release
release apparatus
releasing
rod
rod release
rod support
safety
safety rod
scram
seismic
seismic shock
shock
support
support tube
tube
upper