Company Filing History:
2 out of 30,982 
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Years Active: 1994-2013
Title: Innovations by Hans Drangel: A Pioneer in Turbo-Charger Technology
Introduction
Hans Drangel, an accomplished inventor based in Stockholm, Sweden, has made significant contributions to the automotive industry, particularly in the realm of turbo-charger systems. With a total of five patents to his name, Drangel's work focuses on enhancing the performance and efficiency of internal combustion engines.
Latest Patents
Among his latest innovations are two groundbreaking patents that revolve around a two-stage turbo-charger engine system. The first patent outlines a turbine housing designed specifically for high-pressure turbo-chargers, integrating both low-pressure and high-pressure charger openings. This configuration includes a high-pressure exhaust opening and a unique short-cut exhaust opening fitted with a high-pressure turbine bypass valve. These features aim to optimize the engine's performance and reduce emissions.
The second patent details the arrangement of a two-stage turbocharger system for internal combustion engines. It incorporates essential components such as a low-pressure turbocharger, a high-pressure turbocharger, and a bypass duct that ensures effective flow communication. This innovative setup includes a first bypass valve, strategically located within a common housing, to facilitate seamless engine performance.
Career Highlights
Drangel has gained invaluable experience through his tenure at notable organizations. He has worked at Gm Global Technology Operations LLC, where he honed his skills in automotive technology. Additionally, his role at Saab Automobile AB allowed him to further his expertise in engine systems, laying the groundwork for his patent developments.
Collaborations
Throughout his career, Hans has collaborated with several respected professionals in his field. Notable colleagues include Pal Axelsson and Per-Inge Nilsson, who have contributed to various projects and innovations alongside Drangel. These collaborations have played a crucial role in fostering creativity and advancing technological breakthroughs within the automotive sector.
Conclusion
Hans Drangel continues to be a driving force in turbo-charger technology, with his latest patents reflecting his commitment to improving internal combustion engines. His work not only highlights his ingenuity as an inventor but also exemplifies the vital role of innovation in the automotive industry. With multiple patents under his belt, Drangel's future contributions are eagerly anticipated by both peers and enthusiasts alike.