Frank R Keller

Title: The Innovations of Frank R. Keller

Introduction

Frank R. Keller is a notable inventor based in Villanova, PA (US). He holds a total of 5 patents that showcase his contributions to electrical control systems and circuit breakers. His work reflects a commitment to enhancing the functionality and safety of electrical devices.

Latest Patents

One of Keller's latest patents is the Modular Electrical Control Station. This invention features a modular control station construction that allows a single housing to accommodate various combinations of contact blocks and panel light socket blocks. The design is versatile, enabling the use of one, two, or three panel members as needed. The available panel members include a spring-loaded push button contact block actuator, a rotary switch contact block actuator adjustable between two and three positive positions, and a panel light lens.

Another significant patent is the Magnetic Trip Means for Circuit Breaker. This invention provides an automatic mechanism for opening a circuit breaker contact when specific fault current conditions occur. The design includes a stationary yoke, an armature that is biased away from the yoke, and an actuating coil in series with the contacts. A sealed capsule, which is coaxial with the coil, helps achieve selected tripping characteristics. The movable magnetic core within the capsule is biased to a normal position and can move toward the armature during overload conditions, ensuring reliable circuit protection.

Career Highlights

Throughout his career, Frank R. Keller has worked with several prominent companies, including Gould Inc. and I-T-E Imperial Corporation. His experience in these organizations has contributed to his expertise in electrical engineering and innovation.

Collaborations

Keller has collaborated with notable individuals in his field, including Frank W. Kussy and Morton Stanley Rundel. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.

Conclusion

Frank R. Keller's contributions to electrical control systems and circuit breakers demonstrate his significant impact on the field of invention. His patents reflect a deep understanding of electrical engineering and a commitment to improving safety and functionality in electrical devices.