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Gear Baffle

Engineering & Physical Sciences
Mobility
Automotive
Engines/Motors/Propulsion
College
College of Engineering (COE)
Researchers
Kahraman, Ahmet
Shon, Samuel
Talbot, David
Licensing Manager
Zinn, Ryan
614-292-5212
zinn.7@osu.edu

T2016-019 A transmission gear baffle that permits directed flow of fluid resulting from gear rotation in a fluid bath.

The Need

Efficient propulsion systems in motor vehicles require effective lubrication and cooling to sustain continuous operation and prolong their lifespan. However, traditional transmission setups often suffer from fluid-related inefficiencies such as churning loss, fluid impact loss, and aeration, which can compromise performance and durability. There exists a pressing need for a solution that can mitigate these issues by recovering and controlling fluid flow within the transmission environment, thus enhancing overall efficiency and reliability.

The Technology

Our innovative solution addresses these challenges through the implementation of a specialized gear baffle system. This system features a unique design with a gear cavity positioned between the rotating gear and the transmission structure, effectively containing and directing fluid flow. By utilizing strategically placed flow ports, the gear baffle efficiently channels displaced fluid away from critical components, reducing churning loss and minimizing fluid impact. Moreover, the system includes features to prevent aeration, ensuring optimal lubrication and cooling properties for enhanced performance.

Commercial Applications

  • Automotive transmission systems across various vehicle types (e.g., automatic, CVT, manual) benefit from improved fluid management.
  • Industrial machinery and equipment utilizing gear-driven mechanisms can enhance operational efficiency and longevity.
  • Marine propulsion systems can optimize performance and reliability in harsh marine environments.

Benefits/Advantages

  • Mitigates churning loss and fluid impact loss, resulting in improved overall efficiency and power output.
  • Reduces fluid aeration, enhancing fluid properties for better lubrication and cooling performance.
  • Increases the lifespan of transmission components, leading to reduced maintenance costs and downtime.
  • Compatible with a wide range of transmission setups and applications, offering versatile solutions for diverse industries.
  • Enhances environmental sustainability by promoting efficient use of hydraulic fluids and reducing waste.

Patent Protection

  • United States Patent No. 10,208,848