Key Takeaways
- Eaton’s Mobility Group will exhibit Turbulator cooling technology and engine air‑management solutions at ACT Expo 2026 (Booth #2500, Las Vegas Convention Center, May 4‑7).
- The Turbulator system uses hollow engine valves with internal sodium to boost heat transfer away from the valve head, improving thermal durability under high loads.
- Nate Stewart, Eaton’s global product‑line director, highlights the technology as a concrete example of the company’s heat‑management expertise.
- Complementary technologies on display include late‑intake‑valve‑closing (LIVC) systems for better airflow control and high‑power engine‑brake systems for vehicle stability under heavy loads.
- These solutions support advanced combustion strategies, aiming to increase engine efficiency, reliability, and overall performance.
- Eaton’s broader air‑management portfolio encompasses valves, valve‑actuation systems, and supercharger technologies, backed by global engineering and validation resources.
- The company’s capabilities in airflow modeling, durability testing, and thermal performance evaluation enable rapid development and robust verification of its heavy‑duty solutions.
Overview of Eaton’s Participation at ACT Expo 2026
Eaton announced that its Mobility Group will showcase a suite of thermal‑management and air‑control innovations at the upcoming ACT Expo 2026, scheduled for May 4‑7 at the Las Vegas Convention Center. Visitors will find Eaton’s exhibit at Booth #2500, where the company will demonstrate how its technologies address the demanding thermal challenges faced by heavy‑duty engines. The presence at ACT Expo underscores Eaton’s commitment to providing cutting‑edge solutions that enhance engine durability, fuel efficiency, and overall vehicle performance in sectors such as trucking, construction, and off‑highway applications. By engaging directly with industry professionals, Eaton aims to gather feedback, illustrate real‑world benefits, and foster collaborations that drive the next generation of powertrain technology.
Turbulator Cooling Technology – Principle and Benefits
At the heart of Eaton’s exhibit is the Turbulator cooling technology, a proprietary approach designed to mitigate excessive heat buildup inside engine components. The system employs hollow engine valves that are filled with a sodium‑based coolant. As the engine operates, the sodium moves internally, creating a turbulent flow pattern that significantly enhances convective heat transfer from the valve head to the valve stem and ultimately to the engine’s cooling circuit. This improved heat extraction helps maintain lower valve temperatures, reducing the risk of thermal fatigue, valve warping, and loss of sealing integrity—common failure modes in high‑load, high‑temperature environments.
How Turbulator Enhances Valve Cooling via Sodium Movement
The Turbulator’s effectiveness stems from the unique thermodynamic properties of sodium, which possesses a high specific heat capacity and excellent thermal conductivity. When the engine cycles, the sodium inside the hollow valve absorbs heat from the valve face during combustion and then transports it toward the cooler valve stem and seat area. The internal geometry of the valve promotes turbulent motion of the sodium, preventing stagnation and ensuring continuous renewal of the cooling medium. Eaton’s engineering analysis indicates that this mechanism can increase the rate of heat removal by up to 30 % compared with conventional solid‑valve designs, thereby allowing engines to sustain higher peak temperatures without compromising component life.
Quote from Nate Stewart on Turbulator Technology
Nate Stewart, director of global product line for Eaton’s Mobility Group, emphasized the practical impact of the innovation: “Eaton’s Turbulator technology is a great example of how we’re helping customers better manage heat inside the engine.” Stewart’s comment highlights Eaton’s focus on translating advanced materials science and fluid dynamics into tangible reliability gains for end‑users. By positioning Turbulator as a real‑world solution rather than a laboratory curiosity, Eaton signals its readiness to support fleets seeking to extend service intervals, reduce maintenance costs, and maintain power output under strenuous operating conditions.
Supporting Engine Technologies – LIVC and High‑Power Engine Brake
In addition to Turbulator, Eaton will exhibit two complementary systems aimed at optimizing engine airflow and braking performance. The late‑intake‑valve‑closing (LIVC) strategy adjusts the timing of valve closure to improve cylinder filling and reduce pumping losses, thereby enhancing combustion efficiency and lowering fuel consumption. Eaton’s LIVC implementation leverages precise actuator control to achieve the desired valve event shift without sacrificing durability. Simultaneously, the company will showcase high‑power engine‑brake systems engineered to provide substantial retarding force when vehicles descend steep grades or carry heavy loads. These brakes work by modulating exhaust flow and cylinder pressure, delivering smooth, controllable deceleration that reduces reliance on service brakes and minimizes wear.
Advanced Combustion Strategies and Reliability
Eaton positions both the LIVC and engine‑brake technologies as enablers of advanced combustion strategies, such as low‑temperature combustion, dilute‑charge operation, and hybrid‑electric power‑assist cycles. By improving airflow management and providing robust braking capability, these systems help maintain stable combustion temperatures and pressures, which are critical for minimizing emissions and preventing knock or misfire. The combined effect is a more resilient powertrain that can tolerate the thermal and mechanical stresses associated with modern efficiency‑focused engine cycles, ultimately translating into longer service life and lower total‑cost‑of‑ownership for operators.
Eaton’s Air Management Portfolio and Engineering Capabilities
Beyond the specific showcased items, Eaton’s broader air‑management portfolio includes engine valves, valve‑actuation mechanisms, and supercharger technologies. Each component is designed to work in concert, optimizing the intake, compression, combustion, and exhaust phases of the engine cycle. Eaton’s global engineering network supports the entire development lifecycle, from concept generation and computational fluid dynamics (CFD) airflow modeling to prototype fabrication, durability testing, and thermal performance validation. This integrated approach ensures that new technologies meet stringent performance targets while adhering to industry standards for safety and emissions.
Global Engineering Validation Resources and Testing
Eaton emphasizes that its validation capabilities are backed by a network of test labs and proving grounds situated across key automotive regions. These facilities enable rigorous assessment of airflow characteristics, heat‑transfer efficiency, and mechanical endurance under simulated real‑world conditions. By subjecting Turbulator valves, LIVC actuators, and engine‑brake hardware to accelerated life‑cycle tests, Eaton can predict long‑term reliability and identify potential failure modes early in the design process. The company’s emphasis on data‑driven validation gives customers confidence that the technologies delivered at ACT Expo 2026 will perform reliably in the field, supporting the heavy‑duty sector’s ongoing pursuit of higher efficiency, lower emissions, and greater operational uptime.