| Patent Number |
Title Of Patent |
Date Issued |
| 6105539 |
Steam generator top of tube bundle deposit removal apparatus |
August 22, 2000 |
| A deposit removal high pressure spray apparatus for removing heat conduction inhibiting deposits on U-tubes at the top of a shell and tube type of nuclear steam generator (10) tube bundle (16) by crawling along flanged outboard support beams (18) above the U-tubes bundle. The apparat |
| 6088418 |
Pool pressure mitigation using sparger phase interaction |
July 11, 2000 |
| A method and apparatus for mitigating oscillatory pressure disturbances that result from venting steam from a nuclear reactor into a pressure suppression pool through a plurality of spargers is disclosed. The individual spargers are connected in series so that a time delay exists bet |
| 6065202 |
Steam generator top of tube bundle deposit removal apparatus |
May 23, 2000 |
| A deposit removal high pressure spray apparatus for removing heat conduction inhibiting deposits on U-tubes at the top of a shell and tube type of nuclear steam generator (10) tube bundle (16) by crawling along flanged outboard support beams (18) above the U-tubes bundle. The apparat |
| 6049578 |
Digital plant protection system |
April 11, 2000 |
| A digital plant protection system for use in nuclear power plants of the pressurized water type includes cross-connected sensed-parameter processing channels that provide a suitably conditioned digital value to a digital comparator that tests the conditional digital value against a p |
| 6029504 |
Tube loading apparatus |
February 29, 2000 |
| A tube loading apparatus and method for tensile strength and leak testing an elongated, hollow tube such as a steam generator heat transfer tube of a steam generator plant. The apparatus may be used to determine the axial or compressive load placed on a hollow tube. The tube loading appa |
| 6021169 |
Feedwater control over full power range for pressurized water reactor steam generators |
February 1, 2000 |
| A feedwater control system and method for a pressurized water reactor steam generating system having first and second output signals. The first output signal is determined by first and second input signals, and, when combined with a third input signal automatically controls at least one |
