James C Dunmire

Title: James C. Dunmire: Innovator in Erosion Resistant Technologies

Introduction

James C. Dunmire is a notable inventor based in Longwood, FL (US). He has made significant contributions to the field of steam turbine technology, particularly in enhancing the durability of turbine components. His innovative approach focuses on providing erosion-resistant surfaces to carbon steel turbine components.

Latest Patents

Dunmire holds a patent for a steam turbine that features novel erosion-resistant surfaces. The patent outlines methods for applying these surfaces, which include welding a steel weldment comprising at least 12 wt. % chromium onto carbon steel turbine components. The welding process is conducted at a speed of approximately 24-52 inches (61-132 cm) per minute, with a nominal first pass thickness of less than about 0.1 inches (0.25 cm). The preferred techniques for this process include flux-cored arc welding (FCAW) for various surfacing positions.

Career Highlights

Dunmire is associated with Westinghouse Electric Corporation, where he has contributed to advancements in turbine technology. His work has focused on improving the performance and longevity of steam turbines, which are critical in power generation.

Collaborations

Dunmire has collaborated with Samuel D. Reynolds, Jr., further enhancing the innovative efforts within their field. Their partnership has likely contributed to the development of effective solutions for turbine erosion issues.

Conclusion

James C. Dunmire's work in developing erosion-resistant technologies for steam turbines showcases his commitment to innovation in engineering. His contributions are vital for improving the efficiency and durability of turbine components in the energy sector.