Robert Francis Larkin

Title: Robert Francis Larkin: Innovator in Hydromechanical Transmission Technologies

Introduction

Robert Francis Larkin, an accomplished inventor based in Pittsfield, MA, holds a remarkable portfolio of 11 patents to his name. His innovative work primarily focuses on steering and transmission systems, showcasing his engineering prowess and dedication to advancing vehicle technology.

Latest Patents

Among Larkin's latest patents is a groundbreaking invention titled "Steering transmission for tracked vehicles." This invention introduces an infinitely variable hydromechanical crossdrive steering transmission designed for tracked vehicles. Its innovative design features multiple forward and reverse ratio ranges, along with a separately selectable low ratio range in both directions. This allows for synchronous shifting between ratio ranges, enabling smooth acceleration from rest to maximum speed without any interruptions.

Another notable patent is the "Continuously variable hydrostatic transmission ratio controller capable." This invention is designed to control the transmission ratio of a continuously variable hydrostatic transmission. It consists of an input shaft, an output shaft, and a hydraulic pump unit driven by the input shaft. The invention employs a unique swashplate mechanism that accommodates hydraulic fluid exchanges, ensuring efficient performance. The controller utilizes differentially sized pistons to pivot the swashplate, providing an amplified ratio-changing effect that enhances the transmission's operational capabilities.

Career Highlights

Larkin's extensive career includes significant contributions to notable companies such as Martin Marietta Corporation and General Dynamics Land Systems, Inc. His experiences at these esteemed organizations have provided him with valuable insights and expertise, further enriching his inventive pursuits.

Collaborations

Throughout his career, Larkin has collaborated with talented professionals like Lawrence R. Folsom and William R. Kerr. These collaborations have not only fostered an environment of innovation but also contributed to the development of advanced technologies in the field of vehicle transmissions.

Conclusion

Robert Francis Larkin is a distinguished inventor whose contributions to hydromechanical transmission technologies have paved the way for advancements in vehicle engineering. With a robust portfolio of patents and a career marked by collaborative innovation, Larkin continues to influence the industry with his pioneering ideas and dedication to enhancing vehicle performance.