| Patent Number |
Title Of Patent |
Date Issued |
| 6026889 |
Single shell boiler |
February 22, 2000 |
| An improved single shell boiler is provided. The single shell boiler includes a closed vessel for containing a liquid heat transfer medium, with the liquid heat transfer medium having a surface. A first bundle of heat source tubes is located in the closed vessel and is adapted to be |
| 5706319 |
Reactor vessel seal and method for temporarily sealing a reactor pressure vessel from the refuel |
January 6, 1998 |
| A reactor vessel seal for temporarily sealing a reactor pressure vessel from a water-filled refueling canal above the reactor pressure vessel. The reactor vessel seal is installed in place of the removable reactor pressure vessel closure head for inspecting/servicing the reactor vessel. |
| 5033640 |
Wall for a fluid container |
July 23, 1991 |
| A wall for a fluid container which includes a pair of vertically extending side beams between a pair of horizontally extending upper and lower beams. An arcuate panel is secured in the area defined by the vertically and horizontally extending beams. When the fluid container is filled iwt |
| 4382060 |
Radioactive fuel cell storage rack |
May 3, 1983 |
| A radioactive fuel cell storage rack is comprised of structural elements including elements which are hollow and cruciform in section. Each leg of the cruciform structural element includes a neutron shield therein. The free end of the legs of the cruciform structural element converge so |
| 4207944 |
Heat exchanger for withstanding cyclic changes in temperature |
June 17, 1980 |
| A shell and tube type heater exchanger is disclosed for withstanding cyclic changes in temperatures of fluid without suffering failure by removing metal from the outer periphery of a tube sheet. The central portion of the tube sheet is a smooth arching contour mating with portions of the |