Donald R Haefner

Title: **Innovator Spotlight: Donald R. Haefner**

Introduction

Donald R. Haefner, based in Columbus, Indiana, is a distinguished inventor known for his contributions to the field of engine technology. With a focus on enhancing fuel pump efficiency, Haefner holds a patent that reflects his innovative approach and dedication to improvement in engine performance.

Latest Patents

Haefner's notable patent, titled "Test apparatus and method for an engine mounted fuel pump," presents a unique test apparatus and method designed for a fuel pump that is mounted on and driven by an engine. This innovative device allows for controlled testing of the fuel pump while ensuring that the engine continuously receives fuel. The invention intricately features a fluid circuit that supplies fuel under controlled pressure, enabling independent control of the engine speed irrespective of the throttle position. Additionally, it allows for the adjustment of fuel flow rates to predetermined values, facilitating accurate calibration of the fuel pump’s output pressure. This portable apparatus is ideal for field testing, showcasing Haefner's ingenuity in practical engineering solutions.

Career Highlights

Donald R. Haefner is currently associated with Cummins Engine Company, Inc., a leading name in the engine manufacturing industry. His role allows him to engage in cutting-edge research and development, contributing to the advancement of engine technologies.

Collaborations

Throughout his career, Haefner has collaborated with notable colleagues, including Dennis O. Taylor and David L. Reid. Their combined expertise and collaborative efforts have undoubtedly enhanced the innovative environment at Cummins, leading to groundbreaking advancements in engine management technologies.

Conclusion

Donald R. Haefner exemplifies the spirit of innovation and technological advancement within the automotive industry. His patented inventions continue to impact engine efficiency and performance testing, solidifying his legacy as a significant contributor to engine technology. As he continues to work at Cummins Engine Company, the potential for future innovations from Haefner remains promising.