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New air-jet tech could make flying taxis faster and much quieter

New Air-Jet Technology Promises Quieter, Faster Flying Taxis
A South Korean electric vehicle innovator, Saean R&D Co., Ltd, has made a significant advancement in urban air mobility by securing three pivotal patents for a next-generation air-jet propulsion system. These patents, recently granted by the Korean Intellectual Property Office (KIPO), aim to address two of the most pressing challenges facing flying taxis today: excessive noise and speed limitations associated with traditional open propeller designs.
Saean’s patented technologies encompass a proprietary propulsion system, integrated air-guiding vanes, and a vortex-generating jet design. Together, these innovations create a cohesive platform that enhances structural stability, improves propulsion efficiency, and—most importantly—reduces noise levels. These factors are critical for the successful commercialization of Urban Air Mobility (UAM) solutions.
Addressing Core Challenges in Urban Air Mobility
As urban populations swell and road congestion intensifies, the UAM sector is poised for rapid growth. Industry forecasts, such as those from Morgan Stanley, estimate the global UAM market could reach $1.5 trillion by 2040. In this competitive landscape, Saean is strategically building a patent-protected ecosystem centered on its internal air-jet framework.
The company’s foundational patent encloses the propulsion system within an acoustically shielded housing, which not only enhances high-speed cruise efficiency but also lays the groundwork for inter-city Regional Air Mobility (RAM). The second patent introduces guiding vanes designed to optimize airflow, thereby reducing energy consumption and alleviating battery strain. The third patent focuses on generating micro-vortices that prevent aerodynamic stalls during sharp maneuvers and disperse nozzle exhaust, significantly mitigating urban noise pollution.
Traditional open-propeller configurations are plagued by high drag and disruptive noise, rendering them less suitable for densely populated city environments. By enclosing the propulsion system and employing advanced airflow management techniques, Saean aims to establish new industry benchmarks and accelerate the formation of commercial partnerships within the global aerospace sector.
Navigating Market and Regulatory Complexities
Despite these technological advancements, the widespread adoption of flying taxis faces considerable challenges. Regulatory approval, safety certification, and the development of necessary infrastructure remain formidable obstacles. The promising market potential has already attracted substantial investment from major technology and aviation companies, intensifying competition.
Saean’s expanded patent portfolio is designed to create a formidable “patent wall,” complicating efforts by competitors to replicate or circumvent its core technologies. This strategic move is expected to trigger further legal and technological contests as companies vie for dominance in the emerging UAM market.
Leveraging Established Expertise
Unlike many startups in the field, Saean brings extensive experience in electric mobility. The company’s portfolio includes the EXOD electric sports car, midsize WiD-U SUVs, heavy-duty tipper trucks, and specialized battery packs. Drawing on its expertise in heavy electric vehicle transport and battery thermal management, Saean is now focused on developing a foundational platform for quiet, high-speed regional air transit.
As the UAM industry shifts from experimental flight testing toward real-world commercialization, regulatory frontrunners such as Joby Aviation and Archer Aviation are making significant progress in Western markets. Saean’s latest patents position the company as a formidable contender in the global race to redefine urban and regional air travel.

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