Patent ID: 6108391
Filing Date: 2000-08-22
Classification: F16L,G21C,Y02E

Abstract:
A clamp apparatus for securing a thermal sleeve and a jet pump riser elbow assembly in a nuclear reactor, an interface weld at the interface between the sleeve and the elbow, the sleeve and elbow having circumferential grooves adjacent to the interface weld, said clamp apparatus comprising:a lower clamp element configured to be positioned over the interface between the elbow and the thermal sleeve, said lower element comprising extended ridges configured to fit in grooves in the elbow and sleeve, and first and second bolt openings; andan upper clamp element configured to be positioned over the interface between the elbow and the thermal sleeve, and to be coupled to said lower clamp element, said upper element comprising extended ridges configured to fit in grooves in the elbow and sleeve, and first and second bolt openings configured to align with said first and second bolt openings of said lower element.