Location History:
- Terre Haute, IN (US) (1976 - 1983)
- Wausau, WI (US) (1990 - 1994)
- Fargo, ND (US) (2002 - 2006)
Company Filing History:
8 out of 564 
4 out of 969 
2 out of 575 
Years Active: 1976-2006
Title: The Innovative Mind of Donnell L. Dunn
Introduction
Donnell L. Dunn is a prominent inventor based in Fargo, ND, known for his contributions to the field of engineering with a total of 14 patents to his name. His inventive spirit and expertise have led to advancements in work vehicle technology, notably enhancing efficiency and functionality.
Latest Patents
Among Donnell's latest inventions is a novel **Method for Cooling an Axle**. This work vehicle innovation includes a frame paired with an axle assembly featuring a first axle shaft housed internally. The design incorporates a wheel attached to the axle assembly along with an axle lubricating fluid contained in the housing. The invention also presents a first axle cooling device that contacts the lubricating fluid and utilizes a first coil. The method outlined for cooling the axle assembly involves drawing heat from the lubricating fluid through contact with a coil's outer surface, while the cooling fluid circulates through the coil's passage to remove heat effectively.
Another significant patent is the **Cushioned Steering for Articulated Vehicles**. This invention addresses articulated wheel loaders, providing a cushioned deceleration mechanism at the extremities of their turning capabilities. It achieves this by controlling fluid flow through a hydraulic steering cylinder as the articulated frames near their limit, which also results in a variable displacement pump being de-stroked to enhance the deceleration comfort.
Career Highlights
Donnell has made remarkable strides in his professional journey through his work with notable companies such as J.I. Case Company and CNH America LLC. His experience in these innovative environments has significantly shaped his expertise and ability to create impactful inventions.
Collaborations
Throughout his career, Donnell has collaborated with distinguished coworkers like Edward L. Coyle and Arthur E. Hirsch, contributing to a dynamic exchange of ideas and innovation in engineering.
Conclusion
Donnell L. Dunn stands out as a prolific inventor whose innovations in work vehicle technology reflect his commitment to enhancing operational effectiveness. His patents not only demonstrate technical prowess but also contribute to the ongoing evolution of engineering practices in the industry.