Company Filing History:
Years Active: 1994
Title: Ingvar Niemi - Innovator in Electric Switching Devices
Introduction
Ingvar Niemi is a notable inventor based in Vasterängs, Sweden. He has made significant contributions to the field of electrical engineering, particularly in the development of electric switching devices. His innovative approach has led to the creation of a unique patent that enhances the functionality and reliability of electrical systems.
Latest Patents
Ingvar Niemi holds a patent for an electric switching device. This device comprises two fixed contacts and one movable contact, collectively referred to as the main contact system. The main contact system is situated in an oil-insulated cavity enclosed within a housing. The movable contact features an extension in the form of a shaft, which is operated by a hydraulic piston. This hydraulic piston is surrounded by oil-filled cavities that facilitate its movement. The operation of the shaft is controlled by an electrically controlled directional valve, which receives signals to determine whether the device should be opened or closed. The design also includes a bistable mechanism with wedge-shaped pistons that lock the movable contact in place during pressure drop-out.
Career Highlights
Ingvar Niemi has worked with Asea Brown Boveri AB, a prominent company in the electrical engineering sector. His work has been instrumental in advancing the technology behind electric switching devices, showcasing his expertise and innovative spirit.
Collaborations
Throughout his career, Niemi has collaborated with notable colleagues such as Goran Engdahl and Gunnar Molund. These partnerships have contributed to the development of cutting-edge technologies in the field.
Conclusion
Ingvar Niemi's contributions to electric switching devices exemplify his innovative mindset and dedication to advancing electrical engineering. His patent reflects a significant advancement in the technology, ensuring greater reliability and efficiency in electrical systems.