Company Filing History:
Years Active: 1985-1989
Title: Innovations by Peter W Vanderhelst
Introduction
Peter W Vanderhelst is an accomplished inventor based in Birmingham, MI (US). He holds two patents that showcase his expertise in electronic power inverters and resistance welding technology. His innovative contributions have significantly impacted the fields of electrical engineering and manufacturing.
Latest Patents
One of Vanderhelst's latest patents is for an "Active Snubber for an Inverter." This invention provides a structure and method for use with electronic power inverters to reduce turn-off losses in electronic switches. The snubber structure includes a resistor and a capacitor connected in series, which are in parallel with the load on the power inverter. Additionally, it features silicon-controlled rectifiers that can selectively short the resistor. This design allows for efficient energy storage and smooth voltage transitions during the inverter's operation.
Another notable patent is the "Apparatus and Method of Phase Control for Resistance Welding and Other Applications." This invention involves a computer-controlled welding apparatus that utilizes a phase-controlled resistance welding circuit. The control circuit includes a line clock generator and a conduction sensor to manage the welding current effectively. A microcomputer is programmed with power factor correction curves to optimize the welding process based on the hangover angle of the previous half line cycle.
Career Highlights
Throughout his career, Vanderhelst has worked with several companies, including Midland-Ross Corporation and Medar, Inc. His experience in these organizations has contributed to his development as an inventor and has allowed him to apply his innovative ideas in practical settings.
Conclusion
Peter W Vanderhelst is a notable inventor whose work in electronic power inverters and resistance welding has made significant contributions to technology. His patents reflect his commitment to innovation and excellence in engineering.