Walter Frederick John Crewson is a notable inventor based in Munsonville, NH (US). He has made significant contributions to the field of power conversion technology, holding a total of 4 patents. His work focuses on innovative systems that enhance the efficiency and functionality of capacitor charging.

Latest Patents

Crewson's latest patents include a capacitor charger system, a power modulator, and a resonant power converter. The capacitor charger system features a resonant power converter that connects to a capacitor via a rectifier. This resonant power converter is designed with a switch-based bridge network, an internal transformer, a resonant circuit, and an amplitude stabilization circuit. The switch-based bridge network comprises at least one pair of switches, while the resonant circuit includes a series-resonant branch with capacitive and inductive components. The amplitude stabilization circuit ensures the stabilization of the resonant amplitude, enhancing the overall performance of the system.

Another significant invention is the capacitor charger system that includes a digital control module and an isolated acquisition module. This system is designed to sample the output voltage level of the capacitor charger module. The digital control module generates control and synchronization signal information based on the sampled data, allowing for precise control of the capacitor charger module.

Career Highlights

Walter Crewson is currently associated with Scandinova Systems AB, where he continues to develop innovative solutions in power conversion technology. His expertise and inventions have positioned him as a key player in the industry, contributing to advancements that improve energy efficiency and system reliability.

Collaborations

Crewson has collaborated with notable colleagues such as Klas Elmqvist and Mikael Rolf Lindholm. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Walter Frederick John Crewson is a distinguished inventor whose work in power conversion technology has led to multiple patents and innovative solutions. His contributions continue to influence the field, showcasing the importance of creativity and collaboration in technological advancements.