David E Ziegler

Title: David E Ziegler: Innovator in Aircraft Propeller Technology

Introduction

David E Ziegler is a notable inventor based in Troy, OH (US). He has made significant contributions to the field of aircraft technology, particularly in the design of propellers. His innovative approach has led to advancements that enhance the performance and reliability of aircraft systems.

Latest Patents

Ziegler holds a patent for an "Aircraft propeller with improved electrically de-icer leads." This invention features a multiple blade aircraft propeller hub that includes a bulkhead supporting concentric slip rings. These slip rings are connected by slide blocks to the aircraft's electrical system. The design incorporates electrical conducting flexible leads that connect the slip rings to heating elements or de-icing boots on the propeller blades. Each lead consists of an elongated flexible braided copper tube, which surrounds a flexible multiple strand stainless steel cable, and is insulated by an extruded flexible vinyl tube. This innovative design minimizes stresses and metal fatigue in the electrical conducting braided tube, thereby extending the service life of the propeller.

Career Highlights

Ziegler is associated with Hartzell Propeller Inc., a company known for its high-quality aircraft propellers. His work at Hartzell has allowed him to apply his inventive skills to real-world applications, contributing to the safety and efficiency of aviation.

Collaborations

Ziegler has collaborated with Arthur J Bowser, working together to enhance the technology behind aircraft propellers. Their partnership has fostered innovation and development in the field.

Conclusion

David E Ziegler's contributions to aircraft propeller technology exemplify the impact of innovation in aviation. His patented designs not only improve functionality but also enhance the longevity of critical aircraft components.