Company Filing History:
Years Active: 1976-1982
Title: Gerhard Grieger: Innovator in Electric Circuit Breaker Technology
Introduction
Gerhard Grieger is a notable inventor based in Berlin, Germany. He has made significant contributions to the field of electric circuit breaker technology, holding a total of 5 patents. His work focuses on improving the efficiency and functionality of hydraulic actuators used in high-voltage circuit breakers.
Latest Patents
One of Gerhard Grieger's latest patents is a fluid actuating device for an electric circuit breaker. This innovative device includes an actuator designed to operate electric switching apparatuses, such as high-voltage power circuit breakers. The actuator features a cylinder and a differential piston that moves between two end-positions, corresponding to the open and closed states of the switching apparatus. The differential piston is equipped with two end-faces that receive fluid pressure force, with one end-face having a larger surface area than the other. A high-pressure fluid supply is utilized to control the movement of the piston, enhancing the efficiency of the switching mechanism.
Another significant patent is an improved reversing valve for hydraulic actuators in electric high-voltage circuit breakers. This valve design incorporates a ball that controls the path to be reversed, continuously subjected to a pressure force. The valve also features a movable plunger and a hydraulically movable piston, which work together to ensure reliable operation. The innovative design allows for stable positioning of the ball, enhancing the overall performance of the hydraulic actuator.
Career Highlights
Gerhard Grieger is currently employed at Siemens Aktiengesellschaft, a leading global technology company. His work at Siemens has allowed him to develop and refine his inventions, contributing to advancements in electric circuit breaker technology. His expertise in hydraulic systems and electric switching apparatuses has positioned him as a key figure in his field.
Collaborations
Throughout his career, Gerhard has collaborated with notable colleagues, including Joaquin E Bohrdt and Klaus Schuler. These collaborations have fostered an environment of innovation and have led to the development of cutting-edge technologies in the industry.
Conclusion
Gerhard Grieger's contributions to electric circuit breaker technology through his patents and work at Siemens have made a significant impact in the field. His innovative designs continue to enhance the efficiency and reliability of electric switching apparatuses.