This inventor holds 25 USPTO granted patents. Top assignees: Siemens Canada Limited, Siemens Vdo Automotive Corporation, Siemens Automotive Corporation. Active years: 1980-2006.
Company Filing History:
14 out of 215 
4 out of 583 
3 out of 541 
Years Active: 1980-2006
Title: Peter A Kershaw: Innovator in Permanent Magnet Motor Technology
Introduction
Peter A Kershaw is a notable inventor based in London, California, recognized for his innovative contributions to the field of motor technology. With a remarkable portfolio of 25 patents, Kershaw has significantly advanced the design and functionality of permanent magnet brush-type motors.
Latest Patents
Among his latest patents, Kershaw developed a "Flux Modifier for a Permanent Magnet Brush-Type Motor Using Wound Field Coils Combined with Permanent Magnets." This patent describes a stator and armature assembly for a permanent magnet DC motor, where the armature, which includes a lamination core and windings, is designed to rotate with respect to the stator structure. The stator incorporates at least one permanent magnet, creating a certain flux, along with a wound core structure that features a coil wound around the core to define an alternate pole relative to the permanent magnet. By controlling the current to the coil, the flux of the stator structure can be adjusted, allowing the motor to operate at varying speeds.
Career Highlights
Kershaw's professional journey includes significant tenures at prominent companies such as Siemens Canada Limited and Siemens VDO Automotive Corporation, where he applied his expertise in electrical engineering and motor design. His work has played a pivotal role in enhancing motor performance and efficiency.
Collaborations
Throughout his career, Kershaw has collaborated with talented colleagues, including Marek Horski and Andrew Lakerdas. These professional relationships have fostered innovation and contributed to the development of advanced motor technologies.
Conclusion
Peter A Kershaw stands out as a key figure in the innovation of permanent magnet motor technology. His extensive patent portfolio not only reflects his technical prowess but also his commitment to advancing the industry. Through his work and collaborations, Kershaw continues to influence the future of motor design and efficiency.