Location History:
- Wolfsburg, DE (2002)
- Gifhorn, DE (2003)
- Valhingen/Enz, DE (2005)
- Vaihingen/Enz, DE (2003 - 2022)
Company Filing History:
9 out of 4,062 
4 out of 3,226 
Years Active: 2002-2022
Title: Innovations of Leo Spiegel
Introduction
Leo Spiegel is a notable inventor based in Vaihingen, Germany. He has made significant contributions to the field of automotive technology, holding a total of 13 patents. His work primarily focuses on enhancing the efficiency and functionality of drive trains in motor vehicles.
Latest Patents
Among his latest patents is a drive train and method for operating a drive train. This innovation features a combustion engine that provides purely mechanical drive for motor vehicles. The design includes a transmission coupled to the combustion engine via a shaft unit, allowing for torque transmission. A reserve volume is integrated between the combustion engine and the motor vehicle transmission, accommodating either a high-voltage electric machine for purely electric drive or a low-voltage electric machine for assistance torque. This hybrid functionality enables a cost-effective drive train suitable for hybrid motor vehicles. Another significant patent is for an electric machine designed for a motor vehicle's drive train. This electric machine includes a coil arrangement and a rotor, with a fluid line connected to supply cooling fluid to its components. A fan is also incorporated to provide cooling air, controlled by a unit that adjusts based on the machine's speed and torque.
Career Highlights
Leo Spiegel has worked with prestigious companies such as Dr. Ing. h.c. F. Porsche Aktiengesellschaft and Volkswagen AG. His experience in these leading automotive firms has allowed him to refine his expertise in vehicle technology and innovation.
Collaborations
Throughout his career, Leo has collaborated with notable colleagues, including Werner Schiek and Immo Stache. These partnerships have contributed to the development of advanced automotive technologies.
Conclusion
Leo Spiegel's contributions to automotive innovation are significant, particularly in the realm of hybrid drive trains and electric machines. His patents reflect a commitment to enhancing vehicle efficiency and performance.