Company Filing History:
Years Active: 1984-1986
Title: The Innovative Contributions of Erik A Ljung
Introduction
Erik A Ljung is a notable inventor based in Stockholm, Sweden. He has made significant contributions to the field of engineering, particularly in the development of advanced machinery and electronic systems. With a total of four patents to his name, Ljung's work showcases his commitment to innovation and technological advancement.
Latest Patents
One of Ljung's latest patents is the Electrically Driven Hammer Machine. This invention features a driving piston and a hammer piston, which is driven by the driving piston through a pressure gas cushion. The driving piston is powered by a brushless alternating current motor via a crank mechanism. Additionally, a solid-state inverter in the power supply conduit supplies power of variable amplitude and frequency to the motor. Another significant patent is the Static Converter Switch with Fast Recovery Freewheel Diode. This invention includes a pair of mutually co-acting switching transistors, with the first transistor controlled at a frequency that exceeds that of the second. A diode is connected between the emitter and collector of each switching transistor, enhancing the efficiency of the system.
Career Highlights
Throughout his career, Erik A Ljung has worked with prominent companies such as Institut Cerac SA and Atlas Copco Aktiebolag. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Ljung has collaborated with notable individuals in his field, including Carl S Hartwig and C Sverker Hartwig. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Erik A Ljung's contributions to innovation and technology are evident through his patents and collaborations. His work continues to influence the engineering landscape, showcasing the importance of creativity and technical expertise in driving progress.