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HyliionModel KARNO™ Core -Power Module

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The Hyliion KARNO Power Module represents a significant advancement in power generation technology, leveraging the principles of the historical Stirling thermodynamic cycle to create a linear generator capable of delivering clean electricity on demand. At its core, the KARNO system employs revolutionary linear electric motors operating with a flameless, low-temperature oxidation process, enabling it to transform heat into electricity. This process allows for ultra-low to zero emissions without additional emission treatments, making it adaptable to a wide variety of fuels—ranging from slow-burning ammonia to fast-reacting hydrogen—without requiring hardware modifications. This design incorporates four synchronized shafts in a thermodynamic cycle that drives linear piston movements, generating electricity efficiently. Utilizing breakthroughs in additive manufacturing, Hyliion optimizes the system's complex geometries to achieve high performance, offering scalable, flexible, and environmentally friendly power solutions, with the potential for real-time monitoring and advanced control systems.

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At the heart of Hyliion’s KARNO Power Module is the truly innovative KARNO Core, which uses linear electric motors in a four-shaft system to generate electricity. Building on the principles of the 200-year-old Stirling thermodynamic cycle, the KARNO Core is the result of years of extensive research and development work in aerospace engines, metal additive manufacturing, and generator thermal and performance design.

Providing clean electricity on command, with exceptional load-following capability, the KARNO Power Module is designed to deliver dispatchable power on demand.

How the KARNO Core Works

The Hyliion KARNO Core is a game-changing linear generator that turns heat into electricity using a flameless, low-temperature oxidation process. The system is designed to deliver ultra-low to zero emissions without the need for additional emission treatments. Each 200 kW linear generator features four synchronized shafts working together to drive a thermodynamic cycle that uses heat to power linear piston movements. These movements generate electricity as the shaft, featuring a magnet array, moves through static copper coils at a high frequency.

To see the KARNO Core’s innovative technology in action and learn more about how it works, check out the full video.

Flameless Oxidation

The KARNO proprietary flameless oxidation system, coupled with the unique KARNO architecture, requires only heat to be supplied to the core power system, resulting in a truly fuel-agnostic design. The KARNO system is compatible with fuels that have flame characteristics as slow as ammonia and as fast as hydrogen – without any hardware modifications.

*Certification timeline and availability of specific fuels may vary.

Complex Geometries

Breakthroughs in Additive Manufacturing (3-D Metal Printing) and Hyliion’s ability to leverage the technology to unlock design opportunities are the key drivers behind the KARNO Core’s high efficiency, truly unlocking endless possibilities with complex geometries.