Location History:
- Vasteras, SE (1994)
- Vaster.ang.s, SE (1995)
Company Filing History:
Years Active: 1994-1995
Title: Per-Olof Karlstrom: Innovator in PTC Elements and Motor Protection Devices
Introduction
Per-Olof Karlstrom is a notable inventor based in Vasteras, Sweden. He has made significant contributions to the field of electrical engineering, particularly in the development of PTC (Positive Temperature Coefficient) elements and devices for motor and short-circuit protection. With a total of 2 patents to his name, Karlstrom's work showcases his innovative approach to solving complex engineering challenges.
Latest Patents
One of Karlstrom's latest patents is focused on a PTC element, which consists of at least one body and two electrodes. The body features two parallel surfaces made of an electrically conductive polymer composition with a positive temperature coefficient. Notably, at least one of these parallel surfaces is in direct contact with an electrode or another body of conductive polymer. A pressure device applies pressure perpendicularly to the parallel surfaces, enhancing the element's functionality. This PTC element is designed to transition from a low resistance to a high resistance state and can revert to its initial resistance after being subjected to short-circuit currents, making it reusable. Additionally, the parallel surfaces may be concentric, further optimizing the design.
Another significant patent by Karlstrom is a device for motor and short-circuit protection. This invention aims to enhance the safety and efficiency of electrical systems, ensuring reliable operation under various conditions.
Career Highlights
Karlstrom is associated with Asea Brown Boveri AB, a prominent company in the electrical engineering sector. His work there has allowed him to apply his innovative ideas in practical applications, contributing to advancements in technology and safety.
Collaborations
Throughout his career, Karlstrom has collaborated with various professionals, including his coworker Tomas Hansson. These collaborations have fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies.
Conclusion
Per-Olof Karlstrom's contributions to the field of electrical engineering, particularly through his patents on PTC elements and motor protection devices, highlight his role as a significant innovator. His work continues to influence the industry, showcasing the importance of innovation in engineering.