Location History:
- Vassa, FI (2001)
- Vaasa, FI (1995 - 2008)
Company Filing History:
3 out of 362 
3 out of 996 
1 out of 2 Years Active: 1995-2008
Title: **Erkki Rajala: A Pioneer in Electrical Engineering Innovations**
Introduction
Erkki Rajala, an accomplished inventor based in Vaasa, Finland, has made significant contributions to the field of electrical engineering. With a total of seven patents to his name, Rajala has demonstrated a remarkable ability to innovate and improve technology within his domain.
Latest Patents
Among his recent inventions is the Motorized Change-Over Switch—a sophisticated switching device specifically designed for capacitive loads connected to direct voltage. This innovative design includes a switch component for connecting voltage to the capacitive load, along with a charging switch component that manages the initial connection. The controller component enables precise control over the actual switch component's operations, allowing for a seamless transition between open and closed states. The design further incorporates delay elements that ensure the charging switch component has adequate time to charge the capacitive load before engagement of the actual switch component.
Career Highlights
Rajala's professional journey includes significant stints at ABB Oy and ABB Research Ltd. Here, he has honed his skills and expertise, contributing to noteworthy developments in electrical engineering. His experience at these reputable companies has helped shape his innovative ideas and patent portfolio.
Collaborations
Throughout his career, Rajala has collaborated with other talented professionals, including Timo Jokiniemi and Ralf Strümpler. These partnerships have fostered an environment of creativity and shared knowledge, furthering the impact of his innovations within the industry.
Conclusion
Erkki Rajala continues to be an influential figure in the realm of electrical engineering, with his inventive spirit driving advancements in technology. His contributions, particularly through his latest patents, underscore his commitment to innovation and excellence in his field. Rajala's work serves as an inspiration for aspiring inventors and engineers worldwide.