This inventor holds 6 USPTO granted patents. Top assignee: Robert Bosch. Active years: 1976-2001.
Location History:
- Moglingen, DE (1976 - 1981)
- Schwieberdingen, DE (1994)
- late of Schwieberdingen, DE (2001)
Company Filing History:
Years Active: 1976-2001
Title: Hartmut Sandau: Innovator in Electrohydraulic Control Devices
Introduction
Hartmut Sandau is a notable inventor based in Schwieberdingen, Germany. He has made significant contributions to the field of electrohydraulic control devices, holding a total of 6 patents. His work focuses on enhancing the efficiency and functionality of hydraulic systems.
Latest Patents
One of Sandau's latest patents is an electrohydraulic control device designed for a hydraulic servo motor. This device is embodied as a 4/2 valve module, featuring a blocking valve that utilizes seat valve technology. The design includes a lowering element and an unblocking member, which is actuated by a proportional magnet. This innovative approach allows for proportional control of volume flows, achieving a large switching capacity with minimal leaks.
Another significant patent is a control device for a volume stream of hydraulic working medium. This device incorporates a blocking valve with a seat valve body that interacts with a stationary main valve seat. It features a pre-control valve member and an actuating device that communicates with the pre-control valve member. The design ensures that the pressure in the pressure chamber is effectively controlled, enhancing the overall performance of hydraulic systems.
Career Highlights
Hartmut Sandau is associated with Robert Bosch, a leading company in the engineering and technology sector. His work at Bosch has allowed him to develop and refine his innovative ideas in hydraulic control systems.
Collaborations
Throughout his career, Sandau has collaborated with notable colleagues, including Holger Lueues and Werner Schumacher. These collaborations have contributed to the advancement of technology in their field.
Conclusion
Hartmut Sandau's contributions to electrohydraulic control devices demonstrate his commitment to innovation and excellence in engineering. His patents reflect a deep understanding of hydraulic systems and a drive to improve their efficiency.