Company Filing History:
5 out of 461 
1 out of 30,052 
Years Active: 1976-1996
Title: Herbert Keller: Innovator in Steam Turbine Technology
Introduction
Herbert Keller is a notable inventor based in Mulheim, Germany. He has made significant contributions to the field of steam turbine technology, holding a total of 6 patents. His innovative approaches have enhanced the efficiency and functionality of steam turbines, particularly in power generation.
Latest Patents
Keller's latest patents include a method for cooling a low pressure steam turbine operating in ventilation mode. This method involves a closable inlet for steam delivery during power generation, which is blocked off in ventilation mode. The design features a bleed port connected to a bleed pipe that diverts steam and/or condensate, ensuring effective cooling of the turbine components. Another notable patent is for an axial-admission steam turbine, which includes a steam inflow region and guide vane rings designed to optimize performance.
Career Highlights
Throughout his career, Keller has worked with prominent companies such as Kraftwerk Union Aktiengesellschaft and Siemens Aktiengesellschaft. His experience in these organizations has allowed him to refine his expertise in steam turbine technology and contribute to various innovative projects.
Collaborations
Keller has collaborated with notable professionals in the field, including Dietmar Bergmann and Bruno Krieg. These partnerships have fostered a collaborative environment that has led to advancements in steam turbine design and functionality.
Conclusion
Herbert Keller's contributions to steam turbine technology through his patents and collaborations highlight his role as an influential inventor in the industry. His innovative methods continue to impact the efficiency of power generation systems.