Company Filing History:
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Years Active: 2008-2016
Title: Holger Kiewel: Innovator in Power Generation and Gas Turbine Technology
Introduction
Holger Kiewel is a notable inventor based in Brugg, Switzerland. He has made significant contributions to the fields of power generation and gas turbine technology. With a total of 5 patents to his name, Kiewel's work has had a substantial impact on engineering practices in these industries.
Latest Patents
One of Kiewel's latest patents is a method for welding rotors for power generation. This invention involves a sophisticated process that includes providing forged and non-destructive testing (NDT) tested rotor discs. The method entails machining the discs for weld seam preparation, which features an inner narrow TIG welding gap and an adjoining outer SAW welding gap. The process also includes stapling the discs together, checking their run-out, and adjusting as necessary. Furthermore, the method involves melting the root of the weld without filler using TIG welding, increasing the weld height with parent metal filler, and finalizing the welding with SAW welding. The welds are then checked using ultrasonic testing to ensure quality.
Another significant patent by Kiewel is related to a gas turbine engine and its method for cooling the compressor. This invention includes a compressor with rotor blades that have roots connected to seats in a compressor drum. The design incorporates longitudinal passages for a cooling fluid, which connects higher pressure areas to lower pressure areas within the gas turbine engine.
Career Highlights
Throughout his career, Holger Kiewel has worked with prominent companies such as Alstom Technology Limited and General Electric Technology GmbH. His experience in these organizations has allowed him to develop and refine his innovative ideas in engineering.
Collaborations
Kiewel has collaborated with notable colleagues, including Thomas Kramer and Markus Roland Wiebe. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Holger Kiewel is a distinguished inventor whose work in power generation and gas turbine technology has led to significant advancements in the field. His innovative methods and collaborative efforts continue to influence engineering practices today.