Fred F Chellis, Deceased

Title: The Innovations of Fred F Chellis

Introduction

Fred F Chellis was a notable inventor whose contributions to the field of cryogenics have left a lasting impact. He was based in Concord, MA, and is remembered for his innovative approach to fluid actuation in cryogenic valves. His work has been influential in the development of technologies that control process gases in various applications.

Latest Patents

Chellis held a patent for a "Fluid actuator for cryogenic valve." This invention focuses on valves that control process gas at the cold end of an expansion engine. The actuating fluid is managed by a solenoid actuated spool valve, which is positioned at ambient temperature. The fluid is then cooled in a thermally regenerative flow path that extends between the solenoid actuated valve and the fluid actuated valve. This innovative design enhances the efficiency and reliability of cryogenic systems.

Career Highlights

Throughout his career, Fred F Chellis made significant strides in the field of cryogenics. He worked at Helix Technology Corporation, where he applied his expertise to develop advanced technologies. His work has been recognized for its practical applications and contributions to the industry.

Collaborations

Chellis collaborated with various professionals in his field, including his coworker Philip A Lessard. Their combined efforts contributed to the advancement of cryogenic technologies and the development of innovative solutions.

Conclusion

Fred F Chellis was a pioneering inventor whose work in cryogenic valve technology has had a profound impact on the industry. His patent and contributions continue to influence advancements in the field.