Robert Edward Draper

Title: The Innovations of Robert Edward Draper

Introduction

Robert Edward Draper is a notable inventor based in Peterborough, Canada. He has made significant contributions to the field of electrical engineering, particularly in the development of insulation systems for dynamoelectric machines. With a total of 3 patents to his name, Draper's work has had a lasting impact on the industry.

Latest Patents

Draper's latest patents include a "Graded Electric Field Insulation System for Dynamoelectric Machine." This innovative system features a groundwall insulation design that is effective for machines operating at voltages above 4 kV, and preferably around 13.8 kV or higher. The system consists of two layers of insulation, where the first layer has a higher permittivity than the second, resulting in a sharp increase in the electric field profile at their juncture. Another significant patent is the "Sandwich Insulation for Increased Corona Resistance." This insulation comprises a laminate of polymeric material, such as polyimide, which contains particles of inorganic corona-resistant material. The polymeric material is bonded to mica paper, which may also be impregnated with resin containing similar particles, allowing the insulation to be used as a tape or wrapper.

Career Highlights

Draper is currently employed at General Electric Canada, Inc., where he continues to innovate and develop new technologies. His work has been instrumental in enhancing the performance and reliability of electrical machinery.

Collaborations

Some of Draper's notable coworkers include G Paul Jones and Robert Henry Rehder. Their collaborative efforts have contributed to the advancement of electrical engineering solutions.

Conclusion

Robert Edward Draper is a distinguished inventor whose work in electrical insulation systems has paved the way for advancements in dynamoelectric machines. His innovative patents reflect his commitment to improving technology in the field.