David L. Hale - Lexington SC Thomas F. Culbreth - Columbia SC
Assignee:
Westinghouse Electric Corp. - Pittsburgh PA
International Classification:
G21C 1900
US Classification:
376261
Abstract:
An apparatus and method for adjusting the level of nuclear fuel rods in a fuel assembly is disclosed, and which comprises a tool composed of an expander having a pair of parallel, laterally spaced apart and flexible arms which have first ends which are interconnected to each other, and opposite free ends. The tool further includes an actuator disposed between the free ends of the arms, and the free ends of the arms and the actuator mount cooperating wedge surface means, whereby relative longitudinal movement between the expander and actuator causes the arms to separate a predetermined maximum distance. In use, the tool is inserted into the fuel assembly with the free ends of the arms located between the end of a misaligned fuel rod and the nozzle, and the actuator is then longitudinally advanced to separate the arms to the predetermined maximum distance, which serves to move the misaligned rod to its proper level. During the separation of the arms, the arms may be manually pressed toward each other so that the free ends are maintained in a parallel relationship and so as to avoid lateral forces being imparted to the misaligned fuel rod.
A self-sealing electrode guide for supporting an electrode in an electrode port of a welding chamber, includes a housing adapted to be mounted in the electrode port and a sealing sleeve accommodated in a housing channel defined in the housing. The sealing sleeve has opposite first and second ends and an open-ended passage adapted to receive the electrode. The first end is disposed for exposure to an external force which is oriented in a direction extending from the first end towards the second end and which is derived from a pressure in the welding chamber. An abutting arrangement is provided in the housing for cooperating with the second end to prevent displacement of the sealing sleeve relative to the housing. The sealing sleeve is resiliently deformable by the external force for assuming a deformed state in which the sealing sleeve is sealingly pressed about the electrode and against housing walls forming the housing channel.
Apparatus For Adjusting The Elevation Of Fuel Rods In A Nuclear Reactor Fuel Assembly
David L. Hale - Lexington SC Thomas F. Culbreth - Columbia SC
Assignee:
Westinghouse Electric Corp. - Pittsburgh PA
International Classification:
B23P 1904
US Classification:
29261
Abstract:
An apparatus for adjusting the level of nuclear fuel rods in a fuel assembly is disclosed, and which comprises a tool composed of an expander having a pair of parallel, laterally spaced apart and flexible arms which have first ends which are interconnected to each other, and opposite free ends. The tool further includes an actuator disposed between the free ends of the arms, and the free ends of the arms and the actuator mount cooperating wedge surface means, whereby relative longitudinal movement between the expander and actuator causes the arms to separate a predetermined maximum distance. In use, the tool is inserted into the fuel assembly with the free ends of the arms located between the end of a misaligned fuel rod and the nozzle, and the actuator is then longitudinally advanced to separate the arms to the predetermined maximum distance, which serves to move the misaligned rod to its proper level. During the separation of the arms, the arms may be manually pressed toward each other so that the free ends are maintained in a parallel relationship and so as to avoid lateral forces being imparted to the misaligned fuel rod.
Thomas Culbreth (April 13, 1786 April 16, 1843) was an American politician. Born in Kent County, Delaware, eight miles northeast of Greensboro, Maryland, Cubreth ...
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Southern Pines High School Southern Pines NC 1956-1960
Community:
Braxton Hill, Betty Blackmon, Gabrielle Bottcher, Patricia Bryant, John Ormsby, Dorothy Mcneill, David Miller, Rod Pleasants, Betsy Solomon, Molly Mcconnell, Betty Foshee, Jean Franklin