Location History:
- Köln, DE (2013)
- Cologne, DE (2005 - 2018)
Company Filing History:
Years Active: 2005-2018
Title: Rolf Lappan: Innovator in Hydraulic Circuit Technology
Introduction
Rolf Lappan is a distinguished inventor based in Cologne, Germany. He has made significant contributions to the field of hydraulic circuits, holding a total of eight patents. His innovative designs focus on enhancing the efficiency and functionality of hydraulic systems.
Latest Patents
Among his latest patents is a valve device for a hydraulic circuit and oil pump regulating arrangement. This invention features an actuator unit that includes an electromagnetic circuit with a translationally moving armature, a core, a coil carrier, a coil, and a flux guiding device. The valve unit consists of a valve housing with a transverse bore serving as a first control chamber pressure port, along with a regulating slide that moves axially. Another notable patent is a valve device for a hydraulic circuit that includes an actuator unit with an electromagnetic circuit, a valve unit formed by a valve tappet and the armature, and various ports for controlling fluid flow.
Career Highlights
Rolf Lappan is currently employed at Pierburg GmbH, where he continues to develop innovative solutions in hydraulic technology. His work has significantly impacted the efficiency of hydraulic systems used in various applications.
Collaborations
Rolf has collaborated with notable colleagues such as Christoph Sadowski and Werner Buse, contributing to advancements in their field.
Conclusion
Rolf Lappan's contributions to hydraulic circuit technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of efficient hydraulic systems.