Jack E Dunbar

Title: Jack E. Dunbar: Innovator in Aircraft Breathing Systems

Introduction

Jack E. Dunbar is a notable inventor based in Davenport, IA (US). He has made significant contributions to the field of aviation safety with his innovative designs. With a total of 3 patents, Dunbar has focused on enhancing the functionality and safety of aircraft breathing systems.

Latest Patents

One of Dunbar's latest patents is the "Anti-suffocation means for aircraft breathing mask." This emergency breathing system features an anti-suffocation valve located in a housing between a source of breathable fluid and a distribution mask. The design includes a chamber connected to the distribution mask and an opening that links the chamber with the surrounding environment. The anti-suffocation valve is responsive to the inhalation demand of the user, allowing air from the environment to enter the chamber. Additionally, a hydrophobic filter surrounds the opening to prevent water from entering the chamber, ensuring the recipient can cyclically inhale breathable fluid without obstruction.

Another significant patent is the "Adjustable check valve for use in an oxygen regulator." This invention establishes limits at which a resiliently biased disc moves away from a seat to allow air to enter an atmospheric chamber. The regulator is connected to a linkage that operates both an air flow valve and an oxygen proportioning flow valve. It is designed to respond to changes in inlet oxygen pressure, allowing for a corresponding adjustment in the flow relationship of air and oxygen based on altitude changes.

Career Highlights

Dunbar has worked with The Bendix Corporation, where he has applied his expertise in developing innovative safety solutions for aviation. His work has contributed to advancements in emergency breathing systems, enhancing the safety of aircraft operations.

Collaborations

Throughout his career, Dunbar has collaborated with notable colleagues, including Robert L. Cramer and James A. Mientus. These collaborations have fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies in the aviation industry.

Conclusion

Jack E. Dunbar's contributions to aircraft breathing systems exemplify his commitment to safety and innovation in aviation. His patents reflect a deep understanding of the challenges faced in emergency situations, and his work continues to influence the industry positively.