Allan W Opsahl

Title: Innovations by Allan W Opsahl

Introduction

Allan W Opsahl is a notable inventor based in Renton, WA (US). He has made significant contributions to the field of aviation with a total of 7 patents to his name. His work primarily focuses on enhancing aircraft door mechanisms, showcasing his expertise and innovative spirit.

Latest Patents

Among his latest inventions is the Hold-open lock, a locking device designed to hold an aircraft door in an open position. This device features a first member connected to the door, which moves in correspondence with the door's opening and closing. A second member is fixedly connected to the aircraft structure, supporting the door. The locking pin, connected to the first member, engages with a pin receiving opening in the second member when the door is fully open, ensuring it remains in that position. The pin can be moved axially by a manually operated lever to disengage it when closing the door is desired.

Another significant invention is the Aircraft door counterbalance system. This compact, spring-actuated system is designed for large, inwardly opening aircraft bulk cargo doors. It employs a conventional type compression spring assembly, a bell crank assembly, and a control link that connects to the aircraft door. This innovative system allows for smooth operation of the door, enhancing the efficiency of cargo handling in aviation.

Career Highlights

Allan W Opsahl is currently associated with The Boeing Company, where he continues to contribute to advancements in aircraft technology. His work has been instrumental in improving the functionality and safety of aircraft doors, which are critical components in aviation.

Collaborations

Throughout his career, Allan has collaborated with notable colleagues, including James R Kasper and Alex Maraghe. These partnerships have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Allan W Opsahl's contributions to aviation through his patents and collaborative efforts highlight his role as a key innovator in the industry. His inventions not only improve aircraft functionality but also enhance safety and efficiency in air travel.