Reactor cavity pool seal

Patent · Tue Jun 28 04:00:00 EDT 1988

OSTI ID:6779371

Puri, A

A reactor cavity pool seal is described wherein a removable annular seal plate has an upper surface substantially co-planar with one of a cavity well ledge and a reactor flange upper surface and has a circular edge surface spaced in opposition to a circular face beneath the one of the ledge and flange upper surface, and annular inflatable means are provided in effecting a seal between the spaced circular edge surface and face. The improvement comprises: (a) a flat seal ring on the seal plate, and (b) an annular bearing plate of the same thickness as the seal ring on one of the ledge and flange upper surface, (c) the seal ring and bearing plate defining opposed spaced circular respective inner and outer sealing surfaces, (d) the seal ring being fixed and sealed to the plate and the bearing ring being fixed and sealed to the ione of the ledge and flange upper surface such that the inner and outer sealing surfaces are concentric, (e) the annular inflatable means being located between and operable against the opposed inner and outer sealing surfaces.

• Assignee: Nuclear Energy Services, Inc., Danbury, CT
• Patent Number(s): US 4753768
• OSTI ID: 6779371
• Country of Publication: United States
• Language: English

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