Location History:
- Granby, CT (US) (1999 - 2011)
- Richmond, VA (US) (2012 - 2013)
Company Filing History:
10 out of 4,623 
2 out of 10,654 
Years Active: 1999-2013
Title: The Innovative Contributions of David V Arel
Introduction
David V Arel is a notable inventor based in Richmond, VA (US), recognized for his significant contributions to the field of propeller technology. With a total of 12 patents to his name, Arel has made advancements that enhance the efficiency and functionality of propeller systems.
Latest Patents
Among his latest innovations is the "Propeller Blade Pitch Control System." This system features a propeller hub designed to mount at least one propeller blade, along with a propeller shaft that rotates about an axis to drive the propeller hub. The system includes a pitch change yoke that adjusts the pitch of the propeller blade in response to hydraulic fluid flow directed to a pitch change actuator. Additionally, the design incorporates a propeller gearbox that applies torque to the propeller hub, along with a hydraulic transfer bearing that selectively permits hydraulic fluid flow to the actuator.
Another significant patent is the "Controllable Pitch Propeller with Electrical Power Generation." This system consists of a rotor hub that supports multiple propeller blades, with an electrical generator positioned between a gearbox and the rotor hub. This generator produces electrical power to operate a pitch change system within the rotor hub, showcasing Arel's innovative approach to integrating electrical generation with propeller technology.
Career Highlights
David V Arel has had a distinguished career, working with prominent companies such as Hamilton Sundstrand Corporation and United Technologies Corporation. His experience in these organizations has contributed to his expertise in propeller systems and related technologies.
Collaborations
Throughout his career, Arel has collaborated with notable colleagues, including Robert H Perkinson and Paul A Carvalho. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.
Conclusion
David V Arel's contributions to propeller technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in aviation and marine propulsion systems.