Lester J Hoffman

Title: Lester J Hoffman: Innovator in Motor Control Technology

Introduction

Lester J Hoffman is a notable inventor based in Churchill, PA (US), recognized for his contributions to motor control technology. With a total of 2 patents, Hoffman has made significant advancements in the field, particularly in vehicle propulsion systems.

Latest Patents

Hoffman's latest patents include a "Motor control chopper apparatus phase angle limiting," which features a programmed microprocessor motor control apparatus designed for vehicle propulsion motors. This innovative system responds to an input control device to determine the acceleration rate and a predetermined motor voltage curve of the propulsion motor. Another significant patent is the "Vehicle propulsion control apparatus and method," which detects slip or slide operations of motor-driven wheel units. This apparatus reduces the tractive effort of those wheel units until the sensed motor currents stabilize, enhancing vehicle control and safety.

Career Highlights

Hoffman is associated with Westinghouse Electric Corporation, where he has contributed to various projects that leverage his expertise in motor control systems. His work has been instrumental in developing technologies that improve vehicle performance and reliability.

Collaborations

Hoffman has collaborated with notable colleagues, including Richard D Roberts and James H Franz, Jr. These partnerships have fostered innovation and have led to the successful development of advanced motor control technologies.

Conclusion

Lester J Hoffman stands out as a key figure in the realm of motor control technology, with his patents reflecting a commitment to enhancing vehicle propulsion systems. His work continues to influence the industry and pave the way for future innovations.