Tech notes by Dr. Mel

Cracked Cast Bearings
Selecting variable speed drives
Upgraded gearboxes
Ring-oiled bearings

Periodic publications

May 2010 Cracks Found, and to be Found, in Westinghouse Cast Steel Bearings with Conclusions and Recommendations for Resolutions

August 2009 Selecting a Variable Speed Drive for Pumps, Fans or Compressors

July 2009 Upgraded Gearboxes for Power Trains: Gas Turbines, Exciters and Other Applications

April 2009 The causes and solutions to many problems with ring-oiled bearings.

November 2007 How changes to condenser back pressure and condensate temperature can effect LP Turbine rotor vibrations.

November 2006 Engineering Services and Manufactured Components for a New Co-Gen Facility

March 2005 Solutions for Problematic MHC Full Arc Controls of GE Steam Turbine-Generators

January 2005 TRI Solutions For Common Problems of Extension Shafts, Oil Pumps and Steady Rest Bearings For Westinghouse Large Steam Turbine Generators

October 2003 Emergency lube oil systems

June 2003 Solutions for over-heating and vibration, two common problems of existing installed Fluid Drives

April 2003   The New Technical Notes by Dr. Mel Giberson

August 1997     Extension Shaft Vibration and New Variable Speed Drive Technology

April 1997     TRI Solutions for problem machines, high vibration and bearing damage.

November 1996     Bearing Problem Check List

October 1996     TRI Bearings and Shop Services Solve Gearbox Problems

August 1996     Reduced Reliability of the AC Power Grid

July 1996     750 MW Westinghouse Turbine-Generator Improved.

June 1996     The facts about Babbitt bearing, Rotor vibrations of 200 MW GE Turbine-Generator are tamed, Announcing the TRI Home Page.

January 1996     TRI's Improvements Proven to Maximize Reliability of Fluid Drives.

September 1995     More Patents for TRI: Advancements in Design & Manufacture of Impellers from Forgings.

May 1995     Marketing Notice

April 1995     Examples of New Solutions for Old Problems

December 1994     TRI's Mission: Past, Present, Future

November 1994     Bearings designed to Handle Large Vertical Misalignment Conditions

October 1994     A Reality Check for the Rotating Machinery Industry Today

September 1994     Sliding Pressure Operation

August 1994     TRI Recent Patents

July 1994     Does your Rotating Equipment Eat Bearings

June 1994     Steam Turbine Journal Bearings
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