David Joseph Dunne

Title: David Joseph Dunne: Innovator in Circuit Protection Technology

Introduction

David Joseph Dunne is a notable inventor based in Cedar Rapids, IA (US). He has made significant contributions to the field of circuit protection technology, holding a total of 10 patents. His innovative designs have enhanced the functionality and reliability of circuit breakers and motor circuit protectors.

Latest Patents

One of his latest patents is a circuit breaker-like apparatus with a combination current transformer. This invention allows for the sensing of a wide range of currents, from locked-rotor currents to high, instantaneous short-circuit currents, all within a single current transformer. The design significantly enhances the operating range of circuit breakers compared to existing models, which can only sense a limited range of current levels. Another notable patent is the redundant trip activation scheme. This invention requires at least one pre-trip condition to be satisfied before a trip signal is sent to a trip solenoid of a motor circuit protector. This added layer of protection helps prevent spurious or nuisance tripping caused by software errors or external events.

Career Highlights

Throughout his career, David has worked with reputable companies, including Square D Company. His work has focused on developing advanced technologies that improve safety and efficiency in electrical systems.

Collaborations

David has collaborated with several professionals in his field, including Kevin John Malo and William Davison. Their combined expertise has contributed to the successful development of innovative solutions in circuit protection.

Conclusion

David Joseph Dunne's contributions to circuit protection technology have made a lasting impact on the industry. His innovative patents and collaborative efforts continue to enhance the safety and reliability of electrical systems.