08:15 08-06-2026

Ferrari patent: exhaust heat becomes thrust, with no turbo in the loop

A new Ferrari patent describes a system that pulls heat off the exhaust manifold and uses it to generate jet-like thrust — without touching the exhaust gases themselves.

Ferrari is looking for ways to extract value even from what is usually considered a side effect of engine operation. A new patent from the brand describes a system that draws heat away from the exhaust manifold and turns it into an additional source of thrust.

The idea is built around a heat exchanger. The exhaust system uses a finned manifold, alongside which runs a separate hollow channel carrying ambient air. This air does not mix with the exhaust gases — it is simply heated by the hot components. The flow is then routed to a nozzle, where the compressed air exits and produces a jet-like effect.

This is useful for the engine in two ways. First, it reduces the thermal load on the exhaust, catalytic converters, mounts and neighbouring components. Second, engineers gain another tool for managing temperature without raising back pressure in the exhaust: the channel is separate, so the engine does not lose power to a bottleneck downstream.

In principle, the approach is close to jet technology, only without any mixing with combustion gases. The patent refers to an enthalpy jump effect: heat passes into the air inside the channel, and that energy is then converted into a directed flow. In theory, a similar scheme could also be used in electric vehicles — for example, to remove heat from batteries and motors.

For now this is only a patent, not a promise of a production Ferrari. But the direction is telling: the brand is not chasing one big gain, but small engineering advantages where others see just hot metal.