Resources Contact Us Home
Method and apparatus for testing nuclear reactor fuel assemblies

Image Number 2 for United States Patent #6570949.

A method for testing whether fuel rods of fuel assemblies resting on a working base and under water, of a nuclear reactor are leaking is disclosed. The method includes heating at least one first fuel assembly of a first division of fuel assemblies for driving radioactive fission products out of a defective fuel rod contained in the first fuel assembly. The first fuel assembly is continuously tested by extracting samples of water and continuously degassing the water removed from an area around the first fuel assembly even during the heating resulting in gas. A radioactivity of gaseous fission products released in the gas is continuously recorded. A fuel assembly belonging to a second division of fuel assemblies is heated only if the first fuel assembly belonging to the first division of fuel assemblies has been tested. An apparatus for implementing the method is also disclosed.

  Recently Added Patents
Application authentication system and method
Circuit device for preventing radiation emission in portable terminal with two cameras
Method and apparatus for linking a web browser link to a promotional offer
Modulation of TIM receptor activity in combination with cytoreductive therapy
Semiconductor device and method for manufacturing same
Methods and apparatus for power amplifier calibration
Helmet mandible
  Randomly Featured Patents
Sealant for sample holder
Circuit to improve electrostatic discharge protection
Device capable of signalling the inflating condition in the tires
Drive circuit for synchronous rectifier and method of operating the same
Quarter-rate 2B1Q ISDN architecture with embedded differential delay compensation for extending range of DDS communications
Soft blister tray with side dispenser
Tire tread compositions of isoprene-styrene/butadiene emulsion polymers with 1,4 cis-polyisoprene rubber
Inductor and a manufacturing method therefor
Apparatus for heat sealing plastic strapping
Reflector including light filter for photographic use