Company News

August 2012: Release of EX-FOSS and Revised “Errors in Boiler Efficiency Standards” Paper
Exergetic Systems’ steam generator simulator, EX-FOSS, is being released. This software has gone through a year of beta testing. Modifications include: 1) a conceptual correction to the base foundation of Input/Loss; 2) adding properties associated with sorbents and their products (released in July); 3) use of NASA combustion properties; 4) conversion to Windows® 7; and 5) general coding review.

July 2012: Release of Sorbent Thermodynamic Properties
With the permission of Portland General Electric, thermodynamic properties of sorbents used for sulfur dioxide removal are being released to the industry, without charge. This important data base includes Limestone, Trona, sodium carbonate and sodium bicarbonate … and their products.

November 2011: Exergetic Systems is Issued Canadian Patent for the Input/Loss Method Using Genetics of Fossil Fuels
Canadian Patent No. 2541197, granted on Nov. 8, 2011, is a foundation disclosure which protects the discovery of the genetics of fossil fuels applied to the Input/Loss Method in which fuel chemistry is determined based on effluents.

October 2011: Sorbent Injection Testing
Exergetic Systems has been contracted to analyze the effects of sorbent injection in large Steam Generators as impacting operations at a number of power plants. The EX-FOSS simulator now allows limestone, trona, sodium carbonate and sodium bicarbonate injection as fully integrated into it system stoichiometrics.

August 2011: EX-FOSS Released for Beta Testing
The Company’s Steam Generator simulator, EX-FOSS, has been extensively revised and is currently under beta testing. Revisions include full Windows® 7 compatibility, sorbent injection, expanded reports & displays, etc.

May 2011: Lang to present Two Papers at ASME Power Conference
Our Company President, Fred Lang, will present two papers at the July 2011 ASME Power Conference in Denver; both papers address calorimetrics. He will also participate in a third presentation, comparing ASME Performance Test Code 4 with the Input/Loss Method of computing boiler efficiency.

April 2011: Omaha Public Power District to Upgrade Input/Loss Installation on Nebraska City Unit 1
Omaha Public Power District has contracted Exergetic Systems to upgrade the Nebraska City Unit 1's Input/Loss installation. This upgrade involves an interface to an Emerson OPC data acquisition system. Input/Loss has been in continuous use at Nebraska City since 2003.

April 2011: European Patent on the "Genetics of Fossil Fuels" Passes Its Opposition Periodd
European Patent (GB, IE, DE & CH) No. 1835228, granted on July 7, 2010, has now been successfully registered in Great Britain, Ireland, Germany and Switzerland. This patent protects Exergetic Systems Limited’s installations in Europe. Its technology is based on the Oxy-Hydrocarbon Model and supersedes all previous European applications. Our congratulations to Exergetic Systems Limited for their efforts.

October 2010: Exergetic Systems to Test at Boardman
Portland General Electric has contracted with Exergetic Systems, Inc. to perform a Systems Effects Test at their Boardman unit. In addition, both PGE and Exergetic Systems will be working with Sargent Lundy LLC, Chicago, to assist in their evaluation of ASME PTC 4 using the same data set; this will lead to comparisons between Input/Loss and PTC 4 methods.

October 2010: Exergetic Systems is Issued US Patent for an Apparatus Using Genetics of Fossil Fuelss
United States Patent No. 7,809,526 was issued October 5, 2010 for "Apparatus for the Determination and Evaluation of Coal Chemistry Based on the Genetics of Fossil Fuels”. This disclosure protects the discovery of the genetics of fossil fuels when used as an apparatus.

July 2010: Lang and Canning presented ASME Paper on HP-IP Turbine Leakage
Our Company President, Fred Lang, and Tom Canning, formerly with the Electricity Supply Board, Ireland, have presented an important paper on a new method of determining HP-IP turbine seal leakage at the ASME Power Conference in Chicago. This is a long awaited method to resolve HP turbine leakage. The authors are requesting user feedback; sample spreadsheets are available for download (see Technical Papers).

May 2010: Exergetic Systems to Support a Remote Performance Link (RPL) Agreement
The Electricity Supply Board has awarded Exergetic Systems Limited its first RPL contract for programmed maintenance and consultation on efficiency improvement for two of their Input/Loss installations in the Republic of Ireland. The staff of Exergetic Systems, Inc. and our partner Exothermic Engineering (www.ExoEng.com) will be providing support to Limited.

April 2010: Exergetic Systems is Issued Australian Patent for the Input/Loss Method & Apparatus Using Genetics of Fossil Fuels
Australian Patent No. 2006-201203 was issued for "Input/Loss Method and Apparatus Using the Genetics of Fossil Fuels for Determining Fuel Chemistry, Calorific Value and Performance of a Fossil-Fired Power Plant". This patent passed its 3 month Opposition period un-opposed. This parent patent is a foundation disclosure which protects the discovery of the genetics of fossil fuels applied to the Input/Loss Method in which fuel chemistry is determined based on effluents.

March 2010: Acceptance of Input/Loss Installations in Greece
The Public Power Corporation of Greece announced acceptance of four Input/Loss installations at the Ag. Georgios Station, Units 8 & 9, and at the Lavrion Station, Units 1 & 2.

February 2010: Canadian Patent Issued on Input/Loss Tube Failure Model
Exergetic Systems announces another patent issued: "Method for Detecting Heat Exchanger Tube Failures and Their Location when Using Input/Loss Performance Monitoring of a Power Plant" by the Canadian Intellectual Property Office, Patent No. 2,479,238, granted on February 16, 2010. This patent reaffirms protection of this important Input/Loss feature, further supporting its international coverage given 2 U.S. patents and an un-opposed European patent.

February 2010: Exergetic Systems Resolves Patent Litigation
Exergetic Systems LLC is pleased to announce that it has resolved all litigation with Edison Mission Energy and Midwest Generation, LLC and activities at their Homer City Generating Station concerning infringement of Exergetic Systems' U.S. Patents for real-time monitoring software. Terms of the settlement agreement are confidential. The settlement does not affect related European patents, or an ability of their owners to prosecute in Europe.

February 2010: Lang attains Fellow Grade within ASME
Exergetic Systems recently received word from the American Society of Mechanical Engineers (ASME) that our President, Fred Lang, has been promoted to the membership grade of Fellow, the attainment of which recognizes his exceptional engineering achievements.

January 2010: European Patent Office Issues Intent to Grant Patent on the "Genetics of Fossil Fuels"
The European Patent Office issued on January 29th, 2010 an intention to grant a patent to Exergetic Systems Limited for "Input/Loss Method and Apparatus using the Genetics of Fossil Fuels...". This technology based on the Oxy-Hydrocarbon Model supersedes all previous European applications. Our congratulations to Exergetic Systems Limited.

January 2010: Continuous Use of Input/Loss is Unrivaled
Most on-line performance monitoring systems last no more than one year. The most general cause is a lack of "monitoring", that is a reporting of unrealistic results although presented with sophisticated graphics. Input/Loss has been in continuous use at most of our installations for over five years; at the Boardman Coal Plant for 8 years; at Nebraska City for 7 years, etc.

September 2009: Exergetic Systems Resolves Patent Litigation
Exergetic Systems LLC is pleased to announce that it has resolved all litigation with Texas Competitive Electric Holdings Co. LLC, TXU Energy Retail Co. LLC, and Luminant Generation Company LLC (the owner and Operator of the Monticello Power Plant) concerning infringement of Exergetic Systems' U.S. Patents for real-time monitoring software. Terms of the Settlement agreement are confidential.

August 2009: Lang's Paper and ASME Presentation "Error in Boiler Efficiency Standards" is Issued
Fred Lang, President of Exergetic Systems, presented his most recent paper, "Errors in Boiler Efficiency Standards" at the ASME Power Conference, July 21-23, 2009 in Albuquerque, New Mexico, USA. The paper and presentation addressed conceptual and procedural errors made in industrial standards which affect thermal efficiency of steam generators. Discussed were ASME PTC 4.1, ASME PTC 4, DIN 1942 and the new European standard EN 12952-15 (see Technical Papers).

March 2009: Patent Issued on Improving Pollution Reduction Systems
Fred Lang, President of Exergetic Systems, has been issued United States Patent 7504260 for inventing a method and apparatus for controlling the temperature of combustion gases entering a pollution reduction process, thereby improving performance. Processes for NOx or SOx reduction typically require a temperature window to operate at optimum. This invention solves this requirement without expensive modification to heat exchanger surface areas, or relocating an exchanger, or by-passing combustion gases.

October 2008: Exergetic Systems Announces the Sale of its European Patents

Exergetic Systems, LLC is pleased to announce the sale of its European patents, European patent applications and our European trade name to a British investment firm. This sale will not effect the ownership of our U.S., Canadian and Australian patents, or our North American and Far East activities.

February 2008: Exergetic Systems is Issued US Patent for the Input/Loss Method Using Genetics of Fossil Fuels
United States Patent No. 7,328,132 was issued February 5, 2008 for "Input/Loss Method Using the Genetics of Fossil Fuels for Determining Fuel Chemistry, Calorific Value and Performance of a Fossil-Fired Power Plant". This parent patent is a foundation disclosure which protects the discovery of the genetics of fossil fuels applied to the Input/Loss Method in which fuel chemistry is determined based on effluents.

July 2007: Exergetic Systems Issued European Patent for Detection of Tube Leaks
European Patent (GB, IE) No. 1,502,188 was granted July 25, 2007 for "Method for Detecting Heat Exchanger Tube Failures and Their Location When Using Input/Loss Performance Monitoring of a Power Plant". This patent is a foundation disclosure which protects an improved ability to determine the flow rate of a steam generator's tube leak and identifies which heat exchanger has the failed tube.

July 2007: Lang, Rodgers and Mayer receive ASME's Prime Movers Award
The American Society of Mechanical Engineers has awarded Fred Lang of Exergetic Systems, Dave Rodgers and Loren Mayer both of Portland General Electric the Prime Movers Committee Award for their paper: "Detection of Tube Leaks and Their Location Using Input/Loss Methods" (see Technical Papers). This award recognizes outstanding contributions to the literature of thermal electric station practice; it was established in 1954.

June 2007: Fred Lang to co-author three ASME Papers
Our Company President will be co-authoring 3 papers at the upcoming ASME Power Conference, July 17-19, 2007 in San Antonio, Texas. These include: "An Oxy-Hydrocarbon Model of Fossil Fuels"; "What's Wrong with Thermal Performance Engineering?"; and an Input/Loss Part V. The "What's Wrong" paper, prepared by six experienced engineers, is a discussion of the current state-of-affairs in maintaining and improving heat rate. The Part V paper presents techniques which allow verification of on-line monitoring systems (see Technical Papers).

March 2007: E-Messaging capability added to Input/Loss Calculational Engine
Exergetic Systems has finished beta-testing of a new diagnostic package associated with its Calculational Engine which allows automatic e-messaging of instrumentation problems, plant efficiencies, general diagnostics, etc.

October 2006: Exergetic Systems to present at the Symposium on Western Fuels International Conference
Fred Lang, P.E. of Exergetic Systems; San Rafael, CA and Tom Canning of the Electricity Supply Board; Dublin, Republic of Ireland will present the "Use of the Oxy-Hydrocarbon Model of Fossil Fuels" at the Symposium on Western Fuels International Conference on Lignite, Brown, and Subbituminous Coals in Denver, CO on Thursday, October 26th (see Technical Papers).

August 2006: Exergetic Systems Awarded Installation of the Input/Loss Method at Five Lignite Plants
ASPO Technology of Athens, Greece and its partners Exergetic Systems and TQS Integration of Waterford, Ireland have been awarded a contract from the Public Power Corporation of Greece for the installation of five Input/Loss Methods at the Agios Dimitrios Power Station, for monitoring and improving thermal performance. These units range from 300 to 375 MWe, burn lignite, and are located in Northern Greece.






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