Nuclear reactor control apparatus

Patent · Tue Nov 01 00:00:00 EST 1983

OSTI ID:864760

Sridhar, Bettadapur N ^[1]

---

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

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