This inventor holds 2 USPTO granted patents. Top assignees: Dr. Ing. H.c. F. Porsche Aktiengesellschaft, Hydraulik-Ring Gmbh. Active years: 1992-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Weissach-Flacht, DE (1992)
- Weissach, DE (2011)
Company Filing History:
2 out of 4,225 
1 out of 90 Years Active: 1992-2011
Title: Rolf Frech: Innovator in Hybrid Vehicle Technology
Introduction
Rolf Frech is a notable inventor based in Weissach, Germany. He has made significant contributions to the field of automotive engineering, particularly in hybrid vehicle technology. With a total of 2 patents, Frech's innovations reflect his expertise and commitment to advancing vehicle performance and efficiency.
Latest Patents
Frech's latest patents include a groundbreaking design for a hybrid vehicle. This invention features at least one electric motor that can function as a generator, charging the vehicle's battery during a recuperation phase. An additional actuating element, independent of the brake system, allows the electric motor to enter its recuperation state without activating the brakes. Alternatively, this element can work in conjunction with the brake system, enabling the brake pedal to also facilitate the motor's recuperation state.
Another significant patent involves an arrangement for the tensioning and adjusting of a camshaft chain drive in internal-combustion engines. This design utilizes two hydraulic pistons that press against the chain's loose and load ends to tension it. The system allows for the adjustment of the relative rotating position of the camshafts by shifting the hydraulic piston and chain transversely, effectively altering the lengths of the loose and load ends.
Career Highlights
Throughout his career, Rolf Frech has worked with prestigious companies, including Dr. Ing. h.c. F. Porsche Aktiengesellschaft and Hydraulik-Ring GmbH. His experience in these organizations has contributed to his deep understanding of automotive systems and innovations.
Collaborations
Frech has collaborated with notable colleagues such as Alfred Trzmiel and Wolfgang Stephan. Their combined expertise has likely fostered an environment of innovation and creativity in their projects.
Conclusion
Rolf Frech's contributions to hybrid vehicle technology and internal-combustion engine design highlight his role as a significant inventor in the automotive industry. His patents demonstrate a commitment to enhancing vehicle efficiency and performance, marking him as a key figure in automotive innovation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile