Relief device for a vacuum vessel

Patent · Tue Apr 28 00:00:00 EDT 1987

OSTI ID:866232

Fast, Ronald W ^[1]

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1. Batavia, IL

A pressure relief device 5 for a vessel having redundant pressure relief capabilities. An annular plate 12 overlies a surface 11 which has an aperature to the vessel. A seal is formed between the surface 11 and annular plate 12. A solid plate 13 overlies the annular plate 12. A seal is formed between the solid plate 13 and annular plate 12. The relief device 5 will open at a first predetermined pressure by lifting the solid plate 13. In the event the seal between solid plate 13 and annular plate 12 should stick the relief device 5 will open at a second slightly higher, predetermined pressure by lifting the annular plate 12 and solid plate 13 together. Hinging means 6 are provided to reclose the pressure relief device 5 when conditions return to normal.

• Research Organization: Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
• DOE Contract Number: AC02-76CH03000
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 4660599
• Application Number: 06/830,811
• OSTI ID: 866232
• Country of Publication: United States
• Language: English

Related Subjects

relief
device
vacuum
vessel
pressure
redundant
capabilities
annular
plate
12
overlies
surface
11
aperature
seal
formed
solid
13
predetermined
lifting
event
stick
slightly
hinging
means
provided
reclose
conditions
return
normal
annular plate
relief device
predetermined pressure
vacuum vessel
pressure relief
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