Company Filing History:
Years Active: 1987-1989
Title: The Innovations of Joseph F Foster: A Pioneer in Electrical Transformer Technology
Introduction
Joseph F Foster, an accomplished inventor based in Fairport, NY, has made significant contributions to the field of electrical engineering with a focus on liquid cooled electric power transformers. With a total of five patents to his name, Foster's innovative designs are recognized for enhancing the functionality and safety of transformer technology.
Latest Patents
Two of Foster's most notable recent patents exemplify his expertise in transformer control systems:
1. **Rapid Pressure Rise Circuit**
This patent describes an electronic relay control circuit specifically designed for liquid cooled electric power transformers. The control circuit intelligently senses the rate of change of internal tank pressure, activating its relays whenever there is a sudden pressure increase. Additionally, it includes relay control connections intended for operating transformer trip and annunciator circuits, with a field-adjustable relay response.
2. **Multi-Phase Electronic Temperature Controller**
Foster's second significant patent involves a method and system for simulating, indicating, and controlling the temperature of liquid cooled multi-phase electric power transformers. By electronically calculating the temperatures of transformer windings based on actual top oil temperatures and additional temperatures from winding currents, this invention determines the hottest spot temperature within the transformer. The system processes signals for phase currents in order to effectively manage and control transformer temperature, ensuring optimal functionality and safety.
Career Highlights
Joseph F Foster is currently associated with Qualitrol Corporation, where he has been instrumental in developing cutting-edge technologies for transformer monitoring and control. His work focuses on advancing the reliability of electrical power systems through precise temperature and pressure management.
Collaborations
Throughout his career, Foster has collaborated with other talented professionals, including Richard E Hagerman and John R Bodker. Their combined expertise has fostered a dynamic environment for innovation and has led to the successful implementation of complex electrical systems in the industry.
Conclusion
Joseph F Foster's contributions to the field of electrical engineering have significantly advanced the design and safety of liquid cooled electric power transformers. With his continued innovation at Qualitrol Corporation and collaboration with esteemed colleagues, Foster sets a benchmark for future inventions in electrical technology. His dedication and inventive spirit remain a driving force in the evolution of effective transformer monitoring and control systems.