Induced nuclear reactions: processes – systems – and elements – Fission reactor material treatment
Patent
1988-07-21
1989-07-11
Kyle, Deborah L.
Induced nuclear reactions: processes, systems, and elements
Fission reactor material treatment
376203, 376310, G21C 1932
Patent
active
048470414
ABSTRACT:
An auxiliary seal for preparing a reactor coolant pump for vacuum degasification of the reactor coolant system includes at least a pair of sealing segments. The sealing segments are composed of metal and have semicircular shaped bodies with attaching ears and an anchoring flange fixed thereon. The attaching ears extend radially outward from opposite ends of the sealing segment bodies. The ears on one segment body when aligned with and attached by fasteners to the ears on the other segment body draw the sealing segments together in releasably attached relation to one another and in sealing and clamping engagement about a shaft of the pump. The segment bodies also have interior and exterior circumferential recesses with O-rings therein which seal respectively with a portion of the pump shaft and a portion of a housing of the pump. The annular flange extends radially outward from the sealing segment bodies and is attachable to the housing portion for anchoring the seal segments thereto.
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Kyle Deborah L.
Wasil Daniel
Westinghouse Electric Corp.
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