Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Power distribution measuring system employing gamma detectors outside of nuclear reactor vessel










Image Number 6 for United States Patent #5108694.

A system for measuring the power distribution in a reactor core includes a plurality of gamma detectors disposed outside of the reactor vessel which houses the reactor core. The gamma detectors correspond in number to the number of instrumentation tubes in the fuel assemblies in the reactor core to be sampled. A first plurality of separate flow branches connect the instrumentation tubes with the gamma detectors for routing the flow of coolant from the instrumentation tubes to the gamma detectors so that the gamma detectors can measure the .sup.16 N decay gamma activity in the respective instrumentation tubes of the fuel assemblies. A second plurality of separate flow branches connect a cold leg of the reactor coolant system with the gamma detectors for routing the flow of coolant from the cold leg to the gamma detectors so that the gamma detectors can measure the background gamma activity in the respective instrumentation tubes of the fuel assemblies. Control valves interposed in the first and second pluralities of flow branches are operable to select communication of one or the other of the flows of coolant to the gamma detectors from either the instrumentation tubes or the cold leg.








 
 
  Recently Added Patents
Method and system for simulating wireless networks
RF/optical shared aperture for high availability wideband communication RF/FSO links
Estimating optical characteristics of a camera component using sharpness sweep data
Drive apparatus
Telecommunications system and method
Packet communication system and packet communication method, and node and user device
Moulded tie strips
  Randomly Featured Patents
Transport cart system and method of its manufacture and operation
Mini-cell, on-orbit, temperature re-calibration apparatus and method
Isolated drive circuit
Resin-cemented optical element, mold therefor, fabrication process thereof, and optical article
Dispenser apparatus and method for a continuous roll of plastic bag material
Container lid securing device and method for securing a lid to a container
Automated trash can
Container with hinged lid
Rigid disk drive with dynamic head loading apparatus
Aerosol compositions containing non-aqueous dispersions