Company Filing History:
13 out of 558 
2 out of 8 
1 out of 176 
Years Active: 1984-2003
Title: Rainer Fey: Innovator in Electric Drive Systems
Introduction
Rainer Fey is a notable inventor based in Schweinfurt, Germany. He has made significant contributions to the field of electric drive systems, holding a total of 16 patents. His work focuses on enhancing the efficiency and functionality of electrically operated vehicles and control devices.
Latest Patents
One of Rainer Fey's latest patents is a drive unit for electrically operated vehicles. This innovative drive unit utilizes two electromotors that can be electrically switched in series or parallel, providing a high degree of efficiency and overload protection for the batteries. The motors are controlled using pulse width modulation through an electronic control unit, which helps maintain the current load of the batteries within specified limits. This invention also offers advantages such as better utilization of construction space, lower production costs, and the use of economical construction materials.
Another significant patent is a control device designed for managing at least one adjustment member, particularly for an electrical chain transfer of a bicycle. This control device features a signal transmitter located away from the adjustment member, allowing users to set multiple shift settings or gears. It includes a signal line for transmitting signals between the transmitter and the adjustment member. The device is equipped with monitoring units to ensure the integrity of the signals transmitted.
Career Highlights
Throughout his career, Rainer Fey has worked with prominent companies such as Fichtel & Sachs AG and Sachs-Huret SA. His experience in these organizations has contributed to his expertise in developing innovative solutions in the field of electric drive systems.
Collaborations
Rainer Fey has collaborated with notable individuals in his field, including Gerhard Dumbser and Albert Thein. These partnerships have likely fostered a creative environment that has led to the development of his impactful inventions.
Conclusion
Rainer Fey's contributions to electric drive systems and control devices demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of technology and its application in modern vehicles. His work continues to influence the industry and inspire future advancements.