Company Filing History:
Years Active: 1986-1988
Title: Innovations by Chun-Nan Chang
Introduction
Chun-Nan Chang is a notable inventor based in Los Altos, California. He has made significant contributions to the field of engineering, particularly in the development of improved procedures for boiler systems. With a total of two patents to his name, his work has had a meaningful impact on the efficiency and safety of energy systems.
Latest Patents
Chun-Nan Chang's latest patents include a method and apparatus for improved start-up procedures in conventional systems. This innovation addresses the cold start-up of closed loop boiler sets and Cheng cycle systems. By utilizing an external pressure source, his method eliminates the venting step, boiler swelling problem, and blowdown step typically associated with conventional start-ups. This advancement minimizes premature phase changes and the accompanying volume increase.
Another significant patent by Chang is a method and apparatus for improved shutdown procedures in dual fluid systems. This procedure is designed to minimize the potential for steam condensation in the superheater section, combustion chamber, and turbines during the coast to halt of the engine. By maintaining high temperatures until all steam has passed through the system, this innovation enhances the overall efficiency and safety of the operation.
Career Highlights
Chun-Nan Chang is currently employed at International Power Technology, where he continues to develop innovative solutions in energy technology. His expertise in engineering and patent development has positioned him as a key figure in his field.
Collaborations
Throughout his career, Chun-Nan has collaborated with notable colleagues, including James J. Hamill and Ramarao Digumarthi. These partnerships have contributed to the advancement of technology in their respective areas of expertise.
Conclusion
Chun-Nan Chang's contributions to the field of engineering through his innovative patents demonstrate his commitment to improving energy systems. His work not only enhances operational efficiency but also promotes safety in energy production.