According to GlobalData’s company profile on KKR, was a key innovation area identified from patents. KKR's grant share as of July 2024 was 57%. Grant share is based on the ratio of number of grants to total number of patents.

Exhaust-gas treatment device for aircraft engine cooling

The granted patent US12060830B2 outlines an innovative exhaust-gas treatment device designed for aircraft engines. The device features an exhaust-gas channel that facilitates the flow of exhaust gases from the engine, incorporating a first cooling unit positioned downstream for cooling with ambient air. Additionally, a second cooling unit is strategically placed downstream of the first unit, enhancing the cooling process. The first cooling unit includes a heat exchanger, while the second unit is equipped with a cooling circuit featuring a plate evaporator. The design also includes a droplet separator, which can be a centrifugal separator, to manage the exhaust gas flow effectively.

Further enhancements to the exhaust-gas treatment device include an ionizer for electrostatic charging of the exhaust gas, with a complementary pole positioned downstream. A control unit is integrated to manage the operation of both cooling units, allowing for flexible cooling states. The patent also describes the potential for a post-treatment evaporator that generates water vapor from condensed water, which can be utilized within the aircraft engine. The claims extend to methods for operating the device and its applications in aircraft engines, emphasizing its versatility and efficiency in managing exhaust gases.

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