Roy Alan McCann

Title: **Roy Alan McCann: Innovator in Electric Machine Technologies**

Introduction

Roy Alan McCann, an accomplished inventor based in Saginaw, MI, has made significant contributions to the field of electric machinery through his innovative patents. With a total of four patents to his name, McCann has demonstrated his expertise in developing advanced technologies that enhance the operation and efficiency of electric machines.

Latest Patents

Among his latest inventions, McCann's work titled "Current determination in a permanent magnet electric machine" stands out. This method and system focus on accurately determining the torque current in an electric machine linked to a polyphase bus. The process involves detecting the rotational position of the electric machine with a position encoder and controlling an inverter equipped with multiple switching devices. This inverter is connected to both a direct current bus and the polyphase bus, effectively responding to commands from an external controller. The patent also emphasizes the importance of measuring the current from the direct current bus and capturing it at predefined time intervals.

Another notable patent is the "Method and apparatus for calibrating and initializing an electronically commutated motor." This invention provides a structured approach to initializing rotating devices like electronically commutated electric machines. It includes a robust system featuring a position sensor subsystem linked to the electric machine, which measures and transmits position signals to a controller. The controller executes a method for establishing a reference point for sensor measurements, calculating position deltas, and determining an absolute position relative to a magnetic reference position.

Career Highlights

Throughout his career, Roy McCann has been associated with notable companies, including Delphi Technologies and Valeo Electrical Systems. His work at these organizations has allowed him to apply his inventive skills to practical applications in the automotive and electrical sectors, where precision and efficiency are paramount.

Collaborations

McCann has collaborated with talented professionals in the field, including Mark Philip Colosky and Sayeed Ahmad Mir. These partnerships have further enriched his innovative work, allowing for the merging of diverse ideas and expertise that have propelled advancements in electric machine technology.

Conclusion

Roy Alan McCann’s contributions to electric machinery exemplify the spirit of innovation and dedication to enhancing technological capabilities. His patents reflect a deep understanding of electrical systems, making him a significant figure in the realm of electric machine inventions. As he continues to develop and refine his ideas, McCann remains a valuable asset to the industry and an inspiration to aspiring inventors.