Location History:
- Bimenstorf, CH (2001)
- Birmenstorf, CH (2008 - 2012)
Company Filing History:
Years Active: 2001-2012
Title: Ralf Greim: Innovator in Turbomachinery
Introduction
Ralf Greim is a notable inventor based in Birmenstorf, Switzerland. He has made significant contributions to the field of turbomachinery, holding a total of 7 patents. His innovative designs have advanced the efficiency and performance of steam turbines.
Latest Patents
One of Ralf Greim's latest patents is for a turbomachine blade with variable chord length. This design features a blade where the chord length in the middle region of the blade airfoil is shorter than in the tip-side or root-side regions. This configuration optimizes the distribution of the Zweifel parameter along the blade airfoil, effectively minimizing losses in the blade cascade. Another significant patent involves a steam turbine that includes a rotor rotating around a machine axis, surrounded by a stator. This design creates an annular passage for steam flow, incorporating multiple stages of rotor and stator blades, with the last stage featuring a unique sweep angle that changes over the relative blade height.
Career Highlights
Throughout his career, Ralf Greim has worked with prominent companies in the engineering sector. He has been associated with Alstom Technology Limited and Asea Brown Boveri AG, where he has contributed to various innovative projects in turbomachinery.
Collaborations
Ralf Greim has collaborated with several professionals in his field, including Said Havakechian and Ivan William McBean. Their combined expertise has furthered advancements in turbomachinery technology.
Conclusion
Ralf Greim's contributions to the field of turbomachinery through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the efficiency and design of steam turbines, showcasing the importance of innovation in engineering.