Stephen Roger Johnson

Title: Stephen Roger Johnson: Innovator in Turbine Technology

Introduction

Stephen Roger Johnson, a notable inventor based in Saratoga Springs, NY, has made significant contributions to the field of turbine technology. With a focus on innovative repair methods, Johnson holds two patents that exemplify his commitment to enhancing the performance and longevity of turbine diaphragms.

Latest Patents

One of Johnson's most recent patents is a method for repairing partitions of a turbine diaphragm. This innovative repair method involves the removal of eroded or damaged trailing edge portions of the partitions in the turbine diaphragm, with over 50% of the length being removed from the trailing edge. To restore functionality, a coupon that precisely replicates a portion of the original partition is welded to the remaining partition portion. The seal weld along the radial length on the suction side ensures a secure fit, while two full penetration welds at the ends firmly attach it to the inner and outer rings of the diaphragm. This meticulous approach ensures that the repaired partition maintains a contour substantially identical to the original design.

Career Highlights

Stephen Roger Johnson works at General Electric Company, a leader in innovation within the aerospace and energy sectors. His expertise in turbine technology has earned him recognition and respect within the industry. Johnson's approach to problem-solving and innovation has set him apart as a significant contributor to the field.

Collaborations

Throughout his career, Johnson has collaborated with other skilled professionals, including Dennis John Werner and Ralph Arnold Pollock. These partnerships have fostered an environment of creativity and innovation, allowing for the development of cutting-edge repair techniques that enhance turbine performance.

Conclusion

In conclusion, Stephen Roger Johnson exemplifies the spirit of innovation in the realm of turbine technology. His patents reflect a deep understanding of engineering challenges and a commitment to improving turbine efficiency and lifespan. Through his work at General Electric Company and collaborations with esteemed colleagues, Johnson continues to contribute valuable advancements to the field.